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UMN iGEM 2014

Minnesota iGEM 2014

Project

Dry Lab Notebook

Mercury Bioremediation

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To design a system for biological remediation of not only mercury ions in contaminated waters, but also the more toxic form, methyl mercury, we’ve selected to use 5 genes of the mercury resistance (mer) operon of which over 10 genes have been identified and characterized in various strains of mercury resistant bacteria in the environment. This construct was assembled from the mer operon in Serratia marscecens in the plasmid pDU1358, and is designed to contain an upstream regulatory gene merR, two transport proteins merP (periplasmic) and merT (transmembrane), a gene encoding mercuric reductase MerA, and finally a gene encoding organomercurial lyase MerB. This system is regulated by a bidirectional promoter so that merR on one side of the operon is constitutively expressed and allows for the repression of the mer operon in the absence of mercury ions, and the downstream activation and transcription of merT, P, A, B when mercury ions are in close proximity. MerT and MerP were selected as transporters for their high turnover rates to bring in mercury ions, which are subsequently bound by MerA to catalyze their conversion into volatile mercury eventually captured within a carbon filter in our device and disposed of sustainably. The organic and more toxic form, methylmercury, can diffuse into the cytosol of the bacteria where MerB catalyzes its conversion into mercury ions, which are then bound to MerA and converted into less toxic, volatile elemental mercury in an NADP dependent reaction. The system is very tightly regulated and allows for continuous turnover within our bacterial chassis as the mercury ions are volatalized and then captured externally rather than sequestered within our bacteria which would eventually lead to cell death and the requirement to replace the cells. Due to the NADP requirement of MerA, the cells are required to stay alive throughout this process, accounted for this with novel cell encapsulation technology that allows the cells to remain viable and at the same time not in direct contact..? Our system was tested in 3 different chassis: E. coli, Pseudomonas, and Shewanella, encapsulated and unencapsulated in the presence of either mercury chloride or methylmercury chloride and showed very promising results!	Fig 1 illustrating the relative positions of Mer proteins within the cell, modified mer operon. click the individual genes to read more about our parts, click here to read more about our composite mer operon part	000000000

Biobrick Assembly

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Heavy Metal Bioprecipitation

Click the operon to be linked to the phsABC part page!

The phsABC genes from Salmonella enterica serovar Typhimurium LT2 encode thiosulfate reductase, which catalyzes the stoichiometric production of hydrogen sulfide and sulfite from thiosulfate for heavy metal removal by precipitation. Within a separate bacterium from that containing the mer operon construct, This system allows us to extend our heavy metal bioremediation device to be applicable to a wide range of heavy metals in addition to mercury in both ionic and organic form. The phsABC operon encodes three open reading frames (ORFs), designated phsA, phsB, and phsC. Based on sequence homology to formate dehydrogenase-N, it is predicted that thiosulfate reductase behaves in a similar fashion. The PhsA subunit is predicted to be a peripheral membrane protein active site bis(molybdopterin guanine dinucleotide) molybdenum (MGD) cofactor. PhsC is an integral membrane protein that anchors the other two subunits to the membrane, and contains the site for menaquinol oxidation and two heme cofactors located at opposite sides of the membrane. PhsB is predicted to possess four iron-sulfur centers that transfer electrons between PhsC and PhsA. was shown to have the highest catalytic activity in the IPTG- inducible plasmid pSB74. The part was used by the Yale 2010 iGEM Team (Part:BBa_K393000) (inducible by IPTG) to deposit copper sulfide in a specified geometry. We sought to both improve and characterize this part for future utilization in our filtration device by adding a modified lac promoter to allow for constitutive expression rather than IPTG induction within the biological system, and thus make it more applicable in the environment (Figure 5). We also improved the characterization of their part by testing its application for biological precipitation of iron and cadmium in addition to their copper testing to add to the functionality of the part.

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Biobrick Assembly

Modified construct containing “phsABC”. The phsABC operon was amplified from the pSB74 plasmid and inserted into pSB1C3 (shipping vector) and the pBBRBB plasmid (for characterization) with the novel addition of a constitutive promoter.

Biosafety

In response to our survey results showing that there was some concern about the bacteria escaping the device, we have designed two kill switches to address this concern and highlighted their advantages and disadvantages. Click either of the pictures below to view more information on each proposal.

Kill Switch 1

Kill Switch 2

Mercury Ion Test Results (I)

Fig Zones of Inhibition Test For Mercury Resistance.

In this assay, Escherichia coli K12 expressing three different constructs were spread on agar plates to compare levels of mercury resistance. Each agar plate contained a filter disk spotted with 10µL of 0.1M HgCl2 in the middle. ++++++

Mercury Ion Test Results (II)

Fig Zones of Inhibition Test For Mercury Resistance.

Zones of Inhibition Test For Mercury Resistance. In this assay, Escherichia coli K12 expressing three different constructs was spread on agar plates to compare levels of mercury resistance. Each agar plate contained a filter disk spotted with 10µL of 0.1M HgCl2 in the middle. (A) Agar Plates of K12 with each construct. Left, K12 containing pBBRBB::mer (mer operon); center, K12 containing pBBRBB::gfp (vector control); right, K12 containing pBBRBB::merΔmerA(mer operon with merA deleted). (B) Diameter of zones of inhibition. The diameter of the zone of inhibition was measured in triplicate. Green corresponds to pBBRBB::gfp, blue to pBBRBB::merRTPAB, and red to pBBRBB::merΔmerA. Individual constructs range from highest resistance in the following order: merRTPAB > vector control >merΔmerA. Our results show that both the recombinant E. coli and Pseudomonas putida containing the pBBRBB::mer plasmid were able to grow significantly closer to the HgCl2 disc than the negative control (pBBRBB::GFP). The E.coli strain containing the merA deletion plasmid could not survive as close to the heavy metal spotted disc as the negative control. This is likely due to the fact that it still contains the transport proteins MerP and MerT, and therefore transports the toxic mercury ions into the cell without remediating it due to the lack of MerA, causing cell death. On the other hand, the pBBRBB::GFP control was not able to take up any mercury ions.

Methylmercury Results

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0000000000	Fig .	1st MeHg data In addition to testing 2 biological replicates of "E.coli" and "Pseudomonas" strains carrying the “pBBRBB::mer” plasmid, strains containing the “pBBRBB::gfp” within encapsulation beads were tested as a negative control within encapsulation beads. LB (abiotic) as well as LB (abiotic) containing 0.5g encapsulation beads were also used as negative controls. Unencapsulated bacteria of each strain were also tested to compare the efficiency of those cells in direct contact with MeHg to those within the encapsulation beads. Experiments were conducted by adding methylmercury chloride to 7 mL of LB at a final concentration of 1 mg/L. The methylmercury levels were analyzed at the start of the experiment and after 36 hours. At each time point the samples were diluted a million-fold before taking measurements with a Tekran model 2700 Automated Methyl Mercury Analyzer using EPA method 1630 without distillation. This is a highly sensitive and ultra-stable cold vapor atomic fluorescence spectrometry (CVAFS) Hg detector. All quality assurance and quality control measures were taken as outlined in EPA method 1630. All MeHg standards (ongoing precision recoveries) were within the acceptable range averaging 96%. The samples showed growth of both encapsulated and unencapsulated “E. coli” and “Pseudomonas” carrying “pBBRBB::mer” after 36 hours, and complete demethylation of the 1mg MeHg in both the encapsulated and unencapsulated samples. No cell growth was observed in strains containing the “pBBRBB::gfp”negative control, LB (abiotic) or LB (abiotic) containing 0.5g empty encapsulation beads, and methylmercury levels remained relatively unchanged. This preliminary run showed that methylmercury levels could drop to undetectable levels in the presence of our bacteria (both E.coli and Pseudomonas) but not in their absence.

Methylmercury Results (II)

2nd MeHg- - It was expected that the rate of demethylation would increase exponentially, and thus we took samples at time points that would reflect that rate (Fig __). Within 24 hours, methylmercury levels dropped slightly in the abiotic LB sample, most likely only due to photolysis in the presence of light - “E.coli” cells with the GFP control plasmid absorbed (number - abiotic) mg into the cells before their eventual cell death. - abiotic encapsulation beads absorbed as much methylmercury from the surroundings as the E.coli cells with the GFP control plasmid. - E.coli cells with the mer operon remediated all of the methylmercury (1 mg in 1L) in the samples within approximately 5 hours. "Pseudomonas” could not survive or decrease methylmercury levels in the samples after 24 hours. We suspect that the “Pseudomonas” require a longer time for the construct to be activated, since they were able to grow and decrease methyl mercury to below detectable levels twithin 36 hours. The "E.coli" cells containing the mer operon were tested in both 1mg/L and 4mg/L of methylmercury chloride. (48 samples) MeHg was only demethylated by 1 mg before reaching a stationary level. We suspect that this concentration was too high for cell survival that initial demethylation of MeHg occurred due to the presence of enzymes within the cells after being grown overnight and before their addition to the sample tubes. Thus MeHg levels decreased until the NADP pool within the cell was depleted and MerA was no longer able to remediate mercury ions resulting from demethylation, leading to cell death.

Encapsulation

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The main goal of EncapsuLab was to create a system for the preservation and protection of the bacteria in our system, as well as physically separating them from the outside environment. To achieve this, we created a water-porous silica matrix using techniques developed by the Aksan and Wackett labs at the U of M. Furthermore, we developed a device to work as a proof of concept for the use of encapsulated bacteria in a real water-cleaning system. In addition to this, we conceptualized a scaling-up of our system for larger water-cleaning problems. Lastly, we developed a mathematical model to compare our experimental data in order to better understand the biochemical networks behind our work.
	Title1
	Yoloswag

Encapsulation Procedure

To make a silica matrix surrounding a cell, we needed a supply of silica nanoparticles and a reactive cross-linker capable of
covalently bonding reagents into a unified volume. Two solutions were prepared: one was a combination of TM-40 (colloidal
silica) and diluting components (ultrapure water and polyethylene glycol). The second solution was tetramethyl orthosilicate
(TMOS) cross-linker. In slightly acidic conditions, methyl groups of TMOS are hydrolyzed, producing methanol and the silica
cross-linker. Resuspended and washed cells are then added to the relatively innocuous colloidal solution. Upon combining
these two mixtures, a rapid polymerization linking colloidal silica together occured. In order to achieve proper bead
sphericity, we combined all of these components in an hydrophobic solution and let them set. After some experimentation, we
were able to produce beads with a consistent size. To purify the mixture, we phase-separated the silica beads by adding
water to solution, which forced them into the aqueous phase. These were then recovered to assess viability.

The Biochemical Network

In this project, systems of mathematical equations are used to model the biochemical network of methylmercury conversion in E. coli and to determine the effects of changing methylmercury concentration on the conversion rate. A combination of enzyme kinetics and protein expression equations was in the model. The reactions below shows the four-step reaction network for the conversion of methylmercury to volatile mercury using the mer operon in E. coli. This network involves the transport of methylmercury into the cell, its subsequent conversion into ionic and volatile mercury, and the transport of volatile mercury to the extracellular space. This simplified network follows the proposed mechanism of the mer operon and it captures the primary steps of methylmercury breakdown in E. coli. Furthermore, a system of ordinary differential equations was used to model the biochemical reactions taken place at each step of the conversion process. The cofactors were not included in the equations because at sufficient concentrations, they do not significantly alter the rates.

Mathematical Modeling

The equations used in conversion steps 3 and 4 are extracted from studies done by Maria on ionic mercury uptake by E. coli
cells (Maria, 2010). These equations can be used because ionic mercury is converted into elemental mercury which in turn
diffuses into the extracellular space; these two steps were described in the Maria paper. It is assumed that methylmercury
and ionic mercury have similar orders of magnitude of transport rate into the cell.
Since step 2 is not explicitly included in the Maria paper, a different approach was used to determine the equation. During
our literature search, we did not find any primary publications that specify the methylmercury conversion behavior of both
MerA and MerB. Our pBBRBB plasmid is designed in the way that the mer genes are induced in the presence of methylmercury and
ionic mercury. Through our literature search, we were able to calculate the steady state concentrations of basal and induced
states based on the presence of methlymercury and ionic mercury in the cytosolic space. Therefore, we used the below
equation to extrapolate the reaction rates of both the mer proteins. For details, please see Supplemental Materials A.

The above equations show the reaction rates of the mer proteins under induced steady state. To represent the full MerA and
MerB expression, we include terms for the basal protein expression, the induction of the Mer proteins, and the degradation
of proteins. For details on the calculations, please refer to Supplemental Materials A. We have determined from our
calculations that Va and Vb resemble Vmax in the equations.

Sensitivity Analysis

We performed sensitivity analysis to give us insight into which parameters will have the greatest effect on each species in
the reaction equations. We calculated the local derivatives of each species with respect to the parameters to determine how
much the parameters affected the result. The concentration of methylmercury in the cytoplasm was found to be most sensitive
to the V and K parameters of MerB. Additionally, the concentration of Hg in the extracellular space and cytosol were both
most sensitive to the V and K parameters of MerA. We can use this sensitivity analysis as a guide to what parameters are most
useful to improve. If we want the device to be more efficient at methylmercury conversion, efforts should be directed towards
improving the enzymatic activity of MerA and MerB.

Device Design

This device incorporates two key elements of mechanical engineering design: simplicity and functionality. Key concepts from fluid mechanics are applied to pump water into and out of the encapsulation as efficiently as possible. The system can be placed in or out of the water, which makes it easy to use in any situation. The sleek aluminum casing offers a durable resistance to the ever-changing surroundings and environment. Overall, the simplicity of the design makes it user-friendly and adaptable.

Our design is very similar to commonly used fixed-bed adsorption and ion exchange columns in that it involves flow of a fluid down through a packed bed that removes a solute. However, an important difference is those types of columns contain chemical resins or adsorbents that can become saturated (i.e. reach capacity) as they adsorb solute. Since we use encapsulated bacteria whose "capacity" is only limited their lifetime, our device has the added benefit that the mass-transfer zone (the part of the column where the solute is removed) doesn't move down the column due to saturation. This also means that we don't need to alternate between adsorption and regeneration cycles.

Scalability

Meet The Team

Policies & Practices

Our Policy and Practices approach this year has focused on establishing an effective two-way discourse between our team and the public in order to inform our design, educate the public, and illuminate ethical issues related to both our project and integration of public opinion into project implementation. We focused our discussion on safety, ethics, sustainability, and intellectual property in order to design a project that fits the needs of the public while maintaining technical viability and high potential for commercialization. Our team did extensive educational outreach in addition to educating ourselves on public perception of our work. We used this input to inform our device design such that it could be implemented in a way that addresses the major concerns of both scientists and consumers. We also took steps to protect our intellectual property and explore the patenting and commercialization process of our product. Finally, our team sought to investigate ethical issues brought up by our discourse with the public by discussing both our work and ethics related to the project with a variety of experts and ethicists.

Educational Outreach

Building on past successes, our team has been devoted to volunteering our services to the community in a number of educational venues. The team took our curriculum, first developed in 2013, and improved the structure and delivery of our lesson plans in the hopes of encouraging awareness and education on topics in synthetic biology. Since 2013 our educational outreach group ECORI (Educating Communities On Research Innovation) has taught our original, interactive curriculum to over 200 students (K-12) and their teachers. This year we also created a mobile exhibit form of our curriculum along with a layman’s introduction to our project that we displayed on over half a dozen weekends to visitors of all ages at the Science Museum of Minnesota. Our curriculum has also been brought to several other STEM fairs and family fun events in the Twin Cities area including the 3M Science Day Fair for 3M employees and their families, UMN Biodiversity Fair, CSE Family Fun Fair, and the Middle School STEM Fair hosted by the Association of Multicultural Students at UMN. Finally, the team designed a Synthetic Biology Game Show that was presented on stage with 30 participants at the Minnesota State Fair to assess the general public’s knowledge of the subject and teach hundreds of passers-by in a way that was both engaging and interactive. Winners were rewarded with reusable bags, magnets, and gift cards donated by our sponsors. In the spirit of science, our curriculum has been ever evolving to constantly address salient topics and educational materials. The variable versions of our curriculum allow it to be flexible and practical in various settings.

Public Perception

Our team sought to inform the majority stakeholders in our community concerning the scope of our project. This year our team chose to have an exhibit catered towards adult residents at the Minnesota State Fair (the largest statewide annual gathering with over 1.8 million visitors each year) to learn how we can best design our technology to meet the needs and concerns of the people whose waters we hope to bioremediate. We delivered a short synopsis of our device, the synthetic biology involved, and safety precautions we have outlined for our project. We then presented visitors with a five question survey using a Likert Scale to gauge public perception of both our device, and the synthetic biology methods used. The survey was a huge success with over 320 participants. With such a diverse attendance, our survey captured a great cross-section of the Minnesota community that would be impacted by the implementation of our device. The results of our survey, illustrated below, informed how and where the public would be most comfortable with implementing our device, and illustrated the need for catered education addressing the public’s major concerns prior to applying our device in the environment. Our model for gauging public perception allowed for a wide, diverse crowd to be accessed. This model can be used upon request.

Intellectual Property

Members of our team attended three Intellectual Property Protection and patenting workshops that educated them on the process of commercialization of our invention. This allowed us to develop a comprehensive business plan and perform an economic analysis of the mining, fisheries, and governmental markets that could potentially benefit from the use of our invention. We also worked in conjunction with the Office of Technology Commercialization to explore the patentability of our project, the novelty, the non obviousness, and utility of our product and how to make the best claims to patent our device or license it to Minnepura Technologies, Inc.

Basem and Patrick meet with patent attorneys at the Office for Technology Commercialization

Kill Switch 2

Kill Switch 1

Documentary

In order for our project to reach commercialization and success with the public, we needed to inform ourselves as well as others of the ethics of the use of our invention. We compiled this documentary in order to inform those unfamiliar with the problem of global mercury contamination and to discuss the bioethical questions of synthetic biology as they related to our device implementation. We conducted interviews with specialists from environmental toxicology, biotechnology, and philosophy. Through our collaboration with the 2014 Colombia iGEM Team, we further examined the current mercury contamination in Colombia and around the globe.

Safety in the Lab

Our Training
DEHS Introduction: Research Safety
DEHS Chemical Safety
DEHS Waste Management

Safety in the Lab

2. Our Local Rules and Regulations Who is responsible for biological safety at our institution? The project was discussed with the Department of Environmental Health and Safety at our university, and a plan was devised for mercury waste disposal based on their input. General biosafety guidelines found at https://www.dehs.umn.edu/bio.htm, http://www.dehs.umn.edu/bio_pracprin.htm and http://www.cdc.gov/biosafety/publications/bmbl5/bmbl.pdf were followed.

Safety in the Lab

3. Risks of Your Project Now To mitigate risks to the safety and health of team members, or other people working in the lab: Gloves are used in any protocol that utilizes Ethidium Bromide, including gel electrophoresis. Lab coat, gloves, and full face shields are used when cutting gel fragments in proximity of ultraviolet light. For handling mercury, a lab coat, inner and outer (long cuffed) nitrile gloves, lab goggles and face shields will be used, and used materials will be disposed of by the University of Minnesota Department of Environmental Health and Safety. There are assigned incubators, hoods, and disposal containers for hazardous materials like mercury chloride. Design features to minimize risk kill switch proposal that would not allow the bacteria to survive outside of the encapsulation or even device holding the cells Air tight? non pathogenic lab strains

Attributions

Gold Medal Requirements

UMN iGEM has strived to produce Gold Medal level work through the duration of our project. Here we outline our work that specifically pertains to each of the gold medal requirements. Scroll to the right to see how we met each requirement!

Requirement 1: Improving function or characterization of an existing part

To compliment the UMN iGEM 2014 bioremediation project, we chose to improve the "phsABC" biological system first added to the registry by the Yale 2010 team (BBa_K393001). The operon produces hydrogen sulfide to allow for the biological precipitation of heavy metals, such as copper used for the Yale team's biological circuit. We sought to both improve and characterize the part for future utilization in our filtration device. To improve "phsABC", we added a modified lac promoter to allow for constitutive expression rather than IPTG induction within the biological system, and thus make it more applicable in a real world environmental setting where an induction strategy would be costly and inefficient for remediation purposes. We also improved the characterization of their part by testing its application for biological precipitation of Iron and Cadmium in addition to the Yale team's Copper testing to add to the functionality of the part.. [modify if we get to testing]

Requirement 2: Collaborations with other teams

The UMN collaborated with Wisconsin Lutheran to facilitate a week’s worth of synthetic biology curriculum by sending detailed lesson plans developed by our iGEM team, along with strains of microorganisms used to facilitate trainings. In addition, we participated in Columbia iGEM's low-budget lab exercise, who in turn provided UMN iGEM with an interview with a local environmental health specialist who has extensive knowledge of the mercury contamination problem within Columbia.

Requirement 3: Describing and evaluating questions beyond the bench

The primary goal of UMN iGEM 2014 has been to design a project in line with the major safety, ethics, and intellectual property concerns of both scientists and the public. We took the following steps to address each of these issues:

Safety: Our project gives detailed attention to the prevention of releasing genetically modified bacteria into the environment via encapsulation and the development of several killswitch proposals. The device also includes an activated carbon filter to both collect mercury and prevent release of the bacteria. During an outreach event at 3M we also discussed this filtration element of our device with one of their filtration experts to further inform our safety measures.

Ethics: We have been committed to establishing an open and productive dialogue between UMN iGEM and the public. Our surveying at the State Fair of public opinion on safety and implementation concerns of our device helped to inform our design. We believe there is great ethical importance to involving the community in the design of a device that could potentially be used on their waters. We also developed an interactive game show at the fair to actively engage the public in synthetic biology knowledge. Our dialogue with the public has also included our outreach program at local schools, the Science Museum of Minnesota, and various STEM fairs allowing us to develop a dynamic dialogue with both children and their parents. The program focuses on the understanding of DNA in order to demystify the basic principles behind synthetic biology. It is our hope that a more solid understanding of these principles may help to familiarize children with biotechnological tools and decrease misconceptions about the nature of DNA manipulation. We hope this may help to develop an informed future community of consumers and constituents to facilitate open dialogues between scientists and the public. Finally, we interviewed various experts in bioethics and scientific fields related to our project to help further inform ourselves and give essential background to those unfamiliar with the global issue of mercury contamination.

Intellectual Property: We sought to create an integrative and marketable project by developing a business plan along with marketing analysis for our device. We also educated ourselves about the patenting process via on campus seminars. Finally, we applied for a patent to protect the intellectual property of our team in order to help protect us during any future implementation of the developed business plan.

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-		background-image: url(imgs/bg5.jpg);
+		background-color: #D8D8D8;
 		padding: 0 0 0 0;
+	}
+	#PnPslide1{
+		background-image: url("https://static.igem.org/mediawiki/2014/a/ae/Collage5.png");
+		padding: 0 0 0 0;
+		background-repeat: no-repeat;
+		background-size: cover;
+        }
+	#Sponsorsslide1{
 	}
 	#safetySlide1{
@@ Line 194: / Line 292: @@
 	}
+    #section5 h4{
+        font-size: 6em;
+        color: white;
+    	font-weight: 900;
+        text-shadow:
+        -1px -1px 15px #000,
+px -1px 15px #000,
+        -1px 1px 15px #000,
+px 1px 15px #000;
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 		background-image: url("https://static.igem.org/mediawiki/2014/thumb/5/5e/Image_1908.PNG/800px-Image_1908.PNG");
@@ Line 275: / Line 385: @@
 	#teamImg {
 		padding: 6px 6px;
-		border: 2px solid gary;
+		border: 2px solid gray;
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@@ Line 370: / Line 480: @@
         <script type="text/javascript" src="https://static.igem.org/mediawiki/2014/6/67/Nhpup-ioshack_1.0.txt?action=raw&ctype=text"></script>
+       <link href="http://code.jquery.com/ui/1.10.4/themes/ui-lightness/jquery-ui.css" rel="stylesheet">
+       <script src="http://code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
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+			  anchors: ['Home', 'Idea', 'Project', 'Team', 'Policies', 'Safety', 'Attributions', 'Medal', 'Sponsors'],
 			  menu: '#menu',
 			  continuousVertical: true,
@@ Line 402: / Line 516: @@
 	<li data-menuanchor="Team" class="active"><a href="#Team">Team</a></li>
 	<li data-menuanchor="Policies" class="active"><a href="#Policies">Policies & Practices</a></li>
+<!--   <li data-menuanchor="Policies" class="active"><a href="#Policies">Policies & Practices</a></li> -->
 	<li data-menuanchor="Safety" class="active"><a href="#Safety">Safety</a></li>
 	<li data-menuanchor="Attributions" class="active"><a href="#Attributions">Attributions</a></li>
-        <li data-menuanchor="Sponsors" class="active"><a href="#Sponsors">Sponsors</a></li>
+    <li data-menuanchor="Medal" class="active"><a href="#goldmedal">Medal Requirements</a></li>
+	<li data-menuanchor="Sponsors" class="active"><a href="#Sponsors">Sponsors</a></li>
-	<div id="igembutton"><a href="https://2014.igem.org">
+	<li class="active"><div id="igembutton"><a href="https://2014.igem.org">
-	<img width=16% src="https://static.igem.org/mediawiki/igem.org/6/60/Igemlogo_300px.png"></a></div>
+	<img width=16% height=auto src="https://static.igem.org/mediawiki/igem.org/6/60/Igemlogo_300px.png" align=right></a></div></li>
 </ul>
@@ Line 422: / Line 539: @@
 		<logo><img src="" alt="mn-logo" width="300"> </logo>
 		-->
+		<!-- <video autoplay loop poster="https://static.igem.org/mediawiki/2014/3/33/Video.jpg" id="waterfallvideo">
+			<source src="https://giant.gfycat.com/FluffyBeautifulBluetonguelizard.webm" type="video/webm">
+		</video> -->
 		<div class="intro">
-				<h4>MNtallica: Cleaning Up Heavy Metal!</h4>
+				<!-- <h4>MNtallica: Cleaning Up Heavy Metal!</h4> -->
+				<h6>Minnesota iGEM 2014</h6>
 		</div>
 	</div>
           <div class="section " id="section1">
+         <div class="slide" id="slide1" data-anchor="slide1">
+<br><br><br><br>
+<img src="https://static.igem.org/mediawiki/2014/d/dd/TheProblemSlide2.png" alt = "logo" height = 78% width=73%>
+         </div>
+               <div class="slide" id="slide2" data-anchor="slide2">
+<br><br><br><br>
+<img src="https://static.igem.org/mediawiki/2014/0/05/TheSituationSlide2.png" alt = "logo" height=78% width=73%>
+               </div>
+               <div class="slide" id="slide3" data-anchor="slide3">
+<br><br><br><br>
+<img src="https://static.igem.org/mediawiki/2014/c/ce/TheChallengeSlide2.png" alt = "logo" height=78% width=73%>
+               </div>
+               <div class="slide" id="slide4" data-anchor="slide4">
 <br><br><br><br>
-<img src="https://static.igem.org/mediawiki/2014/5/57/TheChallengeSlide.png" alt = "logo" height = "300">
+<img src="https://static.igem.org/mediawiki/2014/d/d7/TheSolutionSlide2.png" alt = "logo" height=78% width=73%>
-				<h3><br><br>
+               </div>
-					Mercury is a neurotoxic heavy metal with the ability to biomagnify, therefore it is a significant issue in public health and environmental studies worldwide. Its levels are continually on the rise due to copper, nickel, and gold mining activities, the industrial use of mercury catalysts, mercurial fungicides in agriculture, and the burning of fossil fuels. This has resulted in the pollution of many marine ecosystems and water reservoirs worldwide, the cleanup of which using current technology, is either not feasible or incredibly costly. This study describes the use of engineered recombinant bacteria to facilitate the biological remediation of the neurotoxin methylmercury and hazardous mercury ions from an aquatic target site into less toxic form. This synthetic microbe was incorporated in novel encapsulation technology within a cost-effective, scalable water filtering column. The employment of this device could rigorously change the practices used in mercury decontamination efforts as well as pave the way for the switch to biological rather than chemical processes. Furthermore, this technology can be applied towards bioremediation and biosensing of various other heavy metals and organic toxins in the environment.
-                                </h3>
             </div>
@@ Line 445: / Line 582: @@
 <ul>
 <li><lab>
-<img src="https://static.igem.org/mediawiki/2014/5/5b/DryLabnewIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide2';" alt = "Dry Lab" height = "175">&nbsp;&nbsp;
+<img src="https://static.igem.org/mediawiki/2014/5/5b/DryLabnewIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota#Project/slide2';" alt = "Dry Lab" height = "195">&nbsp;&nbsp;
 </lab>
 </li>
 <labSection><li>
-<img src="https://static.igem.org/mediawiki/2014/3/38/DeviceDesignIcon1newfont.png" alt = "dry" height = "80">
-<img src="https://static.igem.org/mediawiki/2014/a/a5/EncapsuLab.png" alt = "dry" height = "80">
+<img src="https://static.igem.org/mediawiki/2014/3/38/DeviceDesignIcon1newfont.png" alt = "dry" height = "130">
+<img src="https://static.igem.org/mediawiki/2014/a/a5/EncapsuLab.png" id="elab" alt = "dry" height = "130">
+</li>
+<li>
+<img src="https://static.igem.org/mediawiki/2014/0/03/MathModelIconnewfont.png" alt = "dry" height = "130">
+<img src="https://static.igem.org/mediawiki/2014/f/f2/ResultsIconnewfont.png" alt = "dry" height = "130">
+<img src="https://static.igem.org/mediawiki/2014/6/6c/ScalabilityIconnewfont.png" alt = "dry" height = "130">
 </li>
 <li>
-<img src="https://static.igem.org/mediawiki/2014/0/03/MathModelIconnewfont.png" alt = "dry" height = "80">
+<a href="https://static.igem.org/mediawiki/2014/a/ad/EncapsuLabNotebook.pdf">Dry Lab Notebook</a>
-<img src="https://static.igem.org/mediawiki/2014/f/f2/ResultsIconnewfont.png" alt = "dry" height = "80">
-<img src="https://static.igem.org/mediawiki/2014/6/6c/ScalabilityIconnewfont.png" alt = "dry" height = "80">
 </li>
 <li>
@@ Line 462: / Line 605: @@
 <ul>
 <li><lab>
-<img src="https://static.igem.org/mediawiki/2014/1/17/WetLabIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide3';" alt = "Wet Lab" height = "175">
+<img src="https://static.igem.org/mediawiki/2014/1/17/WetLabIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide3';" alt = "Wet Lab" height = "195">
 </lab>
 <ul>
 <li>
 <labSection>
-<img src="https://static.igem.org/mediawiki/2014/8/84/MercuryRemediationIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide3';" alt = "wet" height = "80">
+<img src="https://static.igem.org/mediawiki/2014/8/84/MercuryRemediationIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota#Project/slide3';" alt = "wet" height = "130">
-<img src="https://static.igem.org/mediawiki/2014/5/52/WetLabRemediationIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide5';" alt = "wet" height = "80">
+<img src="https://static.igem.org/mediawiki/2014/5/52/WetLabRemediationIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota#Project/slide5';" alt = "wet" height = "130">
 </li>
 </labSection>
 <li>
-<img src="https://static.igem.org/mediawiki/2014/a/a0/WetLabSafetyIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide7';" alt = "wet" height = "80">
+<img src="https://static.igem.org/mediawiki/2014/a/a0/WetLabSafetyIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide7';" alt = "wet" height = "130">
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+<img src="https://static.igem.org/mediawiki/2014/3/33/WetLabResultsIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide9';" alt = "wet" height = "130">
 </li>
+<a href="https://static.igem.org/mediawiki/2014/7/72/WetLabNotebookV2.pdf">Wet Lab Notebook</a>
 </ul>
 </td>
@@ Line 482: / Line 626: @@
 		</div>
 <div class="slide" id="slide1" data-anchor="slide1">
-<table style="width: 100%; margin: 0px auto;">
+<table style="width: 100%; margin: 5px;">
   <tr>
-   <td>
+<h4>Mercury Bioremediation</h4><br>
-<h4>Encapsulation</h4><br><br>
+<td>
+<td>
+</td>   0
+</td>   0
+ </tr>
+<tr>
+<td>
+<h3>
+To design a system for biological remediation of not only mercury ions in contaminated waters, but also the more toxic form, methyl mercury, we’ve selected to use 5 genes of the mercury resistance (mer) operon of which over 10 genes have been identified and characterized in various strains of mercury resistant bacteria in the environment. This construct was assembled from the mer operon in Serratia marscecens in the plasmid pDU1358, and is designed to contain an upstream regulatory gene merR, two transport proteins merP (periplasmic) and merT (transmembrane), a gene encoding mercuric reductase MerA, and finally a gene encoding organomercurial lyase MerB. This system is regulated by a bidirectional promoter so that merR on one side of the operon is constitutively expressed and allows for the repression of the mer operon in the absence of mercury ions, and the downstream activation and transcription of merT, P, A, B when mercury ions are in close proximity.
+MerT and MerP were selected as transporters for their high turnover rates to bring in mercury ions, which are subsequently bound by MerA to catalyze their conversion into volatile mercury eventually captured within a carbon filter in our device and disposed of sustainably. The organic and more toxic form, methylmercury, can diffuse into the cytosol of the bacteria where MerB catalyzes its conversion into mercury ions, which are then bound to MerA and converted into less toxic, volatile elemental mercury in an NADP dependent reaction. The system is very tightly regulated and allows for continuous turnover within our bacterial chassis as the mercury ions are volatalized and then captured externally rather than sequestered within our bacteria which would eventually lead to cell death and the requirement to replace the cells. Due to the NADP requirement of MerA, the cells are required to stay alive throughout this process, accounted for this with novel cell encapsulation technology that allows the cells to remain viable and at the same time not in direct contact..?
+Our system was tested in 3 different chassis: E. coli, Pseudomonas, and Shewanella, encapsulated and unencapsulated in the presence of either mercury chloride or methylmercury chloride and showed very promising results!
+<br>
+</h3>
 </td>
 <td>
-<br><br><br>
+<img src="https://static.igem.org/mediawiki/2014/e/e0/Ecolimer.png" height="270" alt="Planets" usemap="#map">
-<img src="http://giant.gfycat.com/BlankIllegalJackal.gif" height: "50" width: "50"><br><br>
+<map name="map">
-subtitle for gif
+  <area shape="rect" coords="100,15,175,45" alt="merR" href="http://parts.igem.org/Part:BBa_K1420004">
+  <area shape="rect" coords="230,20,305,50" alt="merT" href="http://parts.igem.org/Part:BBa_K1420005">
+  <area shape="rect" coords="315,20,385,50" alt="merP" href="http://parts.igem.org/Part:BBa_K1420003">
+  <area shape="rect" coords="390,20,500,50" alt="merA" href="http://parts.igem.org/Part:BBa_K1420001">
+  <area shape="rect" coords="505,20,575,50" alt="merB" href="http://parts.igem.org/Part:BBa_K1420004">
+<!--
+  <area shape="rect" coords="120,20,194,47" alt="merR" href="http://parts.igem.org/Part:BBa_K1420004">
+-->
+</map>
+<h3>Fig 1 illustrating the relative positions of Mer proteins within the cell, modified mer operon.
+<br> click the individual genes to read more about our parts, click here to read more about our composite mer operon part</h3>
 </td>
+<td>000000000
+</td>
+ </tr>
+</table>
+</div>
+<div class="slide" id="slide2" data-anchor="slide2">		<h4>Biobrick Assembly</h4>
+<br><h3>
+<br>
+<img src="https://static.igem.org/mediawiki/2014/8/8b/Mer_operon_assembly.png"alt = "logo" height=60% width=60%>
+<br>
+<br>edit legend here
+</h3>
+</div>
+<div class="slide" id="slide3" data-anchor="slide3">
+<table style="width: 100%; margin: 5px;">
+<tr>
+	<h4>Heavy Metal Bioprecipitation</h4><br><br>
 </tr>
 <tr>
+<img src="https://static.igem.org/mediawiki/2014/2/29/PHS1.png" alt = "logo" height=5% width=35%><br><br>
+<h3> Click the operon to be linked to the phsABC part page! </h3>
+</tr>
+<tr><td>
+<h3>The phsABC genes from Salmonella enterica serovar Typhimurium LT2 encode thiosulfate reductase, which catalyzes the stoichiometric production of hydrogen sulfide and sulfite from thiosulfate for heavy metal removal by precipitation. Within a separate bacterium from that containing the mer operon construct, This system allows us to extend our heavy metal bioremediation device to be applicable to a wide range of heavy metals in addition to mercury in both ionic and organic form.
+The phsABC operon encodes three open reading frames (ORFs), designated phsA, phsB, and phsC. Based on sequence homology to formate dehydrogenase-N, it is predicted that thiosulfate reductase behaves in a similar fashion. The PhsA subunit is predicted to be a peripheral membrane protein active site bis(molybdopterin guanine dinucleotide) molybdenum (MGD) cofactor. PhsC is an integral membrane protein that anchors the other two subunits to the membrane, and contains the site for menaquinol oxidation and two heme cofactors located at opposite sides of the membrane. PhsB is predicted to possess four iron-sulfur centers that transfer electrons between PhsC and PhsA.
+was shown to have the highest catalytic activity in the IPTG- inducible plasmid pSB74. The part was used by the Yale 2010 iGEM Team (Part:BBa_K393000) (inducible by IPTG) to deposit copper sulfide in a specified geometry. We sought to both improve and characterize this part for future utilization in our filtration device by adding a modified lac promoter to allow for constitutive expression rather than IPTG induction within the biological system, and thus make it more applicable in the environment (Figure 5). We also improved the characterization of their part by testing its application for biological precipitation of iron and cadmium in addition to their copper testing to add to the functionality of the part.
+</td>
 <td>
-<h5>
+&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&<img src="https://static.igem.org/mediawiki/2014/8/82/PHS2.jpg" alt = "logo" height=50% width=70%>
-Title1
+</td></tr>
+</table>
+</div>
+<div class="slide" id="slide4" data-anchor="slide4">				<h4>Biobrick Assembly</h4>
+<br><h3>
 <br>
-text text text text text text text text text text text text text text text text text <br>
+<img src="https://static.igem.org/mediawiki/parts/e/e5/Construct1.jpg"alt = "logo" height=60% width=60%>
-text text text text text text text text text text text text text text text text text <br>
-text text text text text text text text text text text text text text text text text <br>
-text text text text text text text text text text text text text text text text text <br>
 <br>
-</h5>
+<br>Modified construct containing “phsABC”. The <i> phsABC </i>operon was amplified from the pSB74 plasmid and inserted into pSB1C3 (shipping vector) and the pBBRBB plasmid (for characterization) with the novel addition of a constitutive promoter.
+</h3>
+</div>
+<div class="slide" id="slide5" data-anchor="slide5">			<h4>Biosafety</h4>
+<br><br>
+<h3>
+In response to our survey results showing that there was some concern about the bacteria escaping the device, we have designed two kill switches to address this concern and highlighted their advantages and disadvantages. Click either of the pictures below to view more information on each proposal.
+</h3>
+<br><br>
+<table style="width: 100%; margin: 5px;">
+<tr>
+<td> <img src="https://static.igem.org/mediawiki/2014/8/82/PHS2.jpg" alt = "logo" height=40% width=50%>
+<h3> Kill Switch 1 </h3>
+<td> <img src="https://static.igem.org/mediawiki/2014/8/82/PHS2.jpg" alt = "logo" height=40% width=50%>
+<h3> Kill Switch 2 </h3>
+</td>
+</td>
 </tr>
 </table>
 </div>
-<div class="slide" id="slide2" data-anchor="slide2">
+<div class="slide" id="slide6" data-anchor="slide6">
-</div>
+<table style="width: 100%; margin: 5px;">
-<div class="slide" id="slide3" data-anchor="slide3">
+ <tr>
-</div>
+<h4>Mercury Ion Test Results (I)</h4>
-<div class="slide" id="slide4" data-anchor="slide4">
+</tr>
-</div>
+<br><br>
-<div class="slide" id="slide5" data-anchor="slide5">
+<tr>
-</div>
+<td>   <img src="https://static.igem.org/mediawiki/2014/2/2c/Plate_results_1_%282%29.png"alt = "logo" height=40% width=30%>
-<div class="slide" id="slide6" data-anchor="slide6">
+<h3>Fig Zones of Inhibition Test For Mercury Resistance. </h3><br>
+</td>
+ </tr>
+<tr>
+<td>
+<h3>
+In this assay, Escherichia coli K12 expressing three different constructs were spread on agar plates to compare levels of mercury resistance. Each agar plate contained a filter disk spotted with 10µL of 0.1M HgCl2 in the middle. ++++++
+</h3>
+</td>
+ </tr>
+</table>
 </div>
 <div class="slide" id="slide7" data-anchor="slide7">
-</div>
+<table style="width: 100%; margin: 5px;">
-<div class="slide" id="slide7" data-anchor="slide8">
+ <tr>
-</div>
+<h4>Mercury Ion Test Results (II)</h4>
+</tr>
+<br><br>
+<tr>
+<td>   <img src="https://static.igem.org/mediawiki/2014/5/5b/Plate_results_2.png"alt = "logo" height=40% width=40%>
+<h3>Fig Zones of Inhibition Test For Mercury Resistance. </h3><br>
+</td>
+ </tr>
+<tr>
+<td>
+<h3>
+Zones of Inhibition Test For Mercury Resistance. In this assay, Escherichia coli K12 expressing three different constructs was spread on agar plates to compare levels of mercury resistance. Each agar plate contained a filter disk spotted with 10µL of 0.1M HgCl2 in the middle.
+(A) Agar Plates of K12 with each construct. Left, K12 containing pBBRBB::mer (mer operon); center, K12 containing pBBRBB::gfp (vector control); right, K12 containing pBBRBB::merΔmerA(mer operon with merA deleted).
+(B) Diameter of zones of inhibition. The diameter of the zone of inhibition was measured in triplicate. Green corresponds to pBBRBB::gfp, blue to pBBRBB::merRTPAB, and red to pBBRBB::merΔmerA. Individual constructs range from highest resistance in the following order: merRTPAB > vector control >merΔmerA.  Our results show that both the recombinant E. coli and Pseudomonas putida containing the pBBRBB::mer plasmid were able to grow significantly closer to the HgCl2 disc than the negative control (pBBRBB::GFP). The E.coli strain containing the merA deletion plasmid could not survive as close to the heavy metal spotted disc as the negative control. This is likely due to the fact that it still contains the transport proteins MerP and MerT, and therefore transports the toxic mercury ions into the cell without remediating it due to the lack of MerA, causing cell death. On the other hand, the pBBRBB::GFP control was not able to take up any mercury ions.
+</h3>
+</td>
+ </tr>
+</table>
-	    <div class="slide" id="slide9" data-anchor="slide9">
+</div>
-			 <h4> Dry Lab </h4>
+<div class="slide" id="slide8" data-anchor="slide8">
-				<h3>
+<h4>Methylmercury Results</h4>
-<img src="https://static.igem.org/mediawiki/2014/3/38/DeviceDesignIcon1newfont.png" alt = "dry" height = "80">
+<br>
+<table style="width: 100%; margin: 5px;">
+ <tr>
+<td>   0
+<td>   00000000000000000000000000000000000000000000
+</td>
+</td>
+ </tr>
+<tr>
+<td>
+0000000000
+</td>
+<td>
+<img src="https://static.igem.org/mediawiki/parts/2/2c/MerB_results.JPG" alt = "logo" height=90% width=120%><br>
+<h3>Fig . </h3>
+</td>
+<td><h3>1st MeHg data
+In addition to testing 2 biological replicates of "E.coli" and "Pseudomonas" strains carrying the “pBBRBB::mer” plasmid, strains containing the “pBBRBB::gfp” within encapsulation beads were tested as a negative control within encapsulation beads. LB (abiotic) as well as LB (abiotic) containing 0.5g encapsulation beads were also used as negative controls. Unencapsulated bacteria of each strain were also tested to compare the efficiency of those cells in direct contact with MeHg to those within the encapsulation beads.
+<br>
+Experiments were conducted by adding methylmercury chloride to 7 mL of LB at a final concentration of 1 mg/L. The methylmercury levels were analyzed at the start of the experiment and after 36 hours. At each time point the samples were diluted a million-fold before taking measurements with a Tekran model 2700 Automated Methyl Mercury Analyzer using EPA method 1630 without distillation. This is a highly sensitive and ultra-stable cold vapor atomic fluorescence spectrometry (CVAFS) Hg detector. All quality assurance and quality control measures were taken as outlined in EPA method 1630. All MeHg standards (ongoing precision recoveries) were within the acceptable range averaging 96%.
+<br>
+The samples showed growth of both encapsulated and unencapsulated “E. coli” and “Pseudomonas” carrying “pBBRBB::mer” after 36 hours, and complete demethylation of the 1mg MeHg in both the encapsulated and unencapsulated samples. No cell growth was observed in strains containing the “pBBRBB::gfp”negative control, LB (abiotic) or LB (abiotic) containing 0.5g empty encapsulation beads, and methylmercury levels remained relatively unchanged. This preliminary run showed that methylmercury levels could drop to undetectable levels in the presence of our bacteria (both E.coli and Pseudomonas) but not in their absence.
-<img src="https://static.igem.org/mediawiki/2014/7/73/DataAnalysisIconnewfont.png" alt = "dry" height = "80">
-<img src="https://static.igem.org/mediawiki/2014/3/34/EncapsuLabIconnewfont.png" alt = "dry" height = "80">
-<img src="https://static.igem.org/mediawiki/2014/0/03/MathModelIconnewfont.png" alt = "dry" height = "80">
+<br>
+</h3>
+</td>
+ </tr>
+</table>
+</div>
-<img src="https://static.igem.org/mediawiki/2014/f/f2/ResultsIconnewfont.png" alt = "dry" height = "80">
-<img src="https://static.igem.org/mediawiki/2014/6/6c/ScalabilityIconnewfont.png" alt = "dry" height = "80">
+	    <div class="slide" id="slide9" data-anchor="slide9">
-<br><br><br><br>
+<h4> Methylmercury Results (II) </h4>
-</h3> <br> <br> <br> <br> <br> <br> <br> <br>
+<br>
+<h3>
+nd MeHg-
+- It was expected that the rate of demethylation would increase exponentially, and thus we took samples at time points that would reflect that rate (Fig __).
+Within 24 hours, methylmercury levels dropped slightly  in the abiotic LB sample, most likely only due to photolysis in the presence of light
+           - “E.coli” cells with the GFP control plasmid absorbed (number - abiotic)  mg into the cells before their eventual cell death.
+            - abiotic encapsulation beads absorbed as much methylmercury from the surroundings as the E.coli cells with the GFP control plasmid.
+           - E.coli cells with the mer operon remediated all of the methylmercury (1 mg in 1L) in the samples within approximately 5 hours.
+           "Pseudomonas” could not survive or decrease methylmercury levels in the samples after 24 hours. We suspect that the “Pseudomonas” require a longer time for the construct to be activated, since they were able to grow and decrease methyl mercury to below detectable levels twithin 36 hours.
+The "E.coli" cells containing the mer operon were tested in both 1mg/L and 4mg/L of methylmercury chloride. (48 samples)
+	MeHg was only demethylated by 1 mg before reaching a stationary level. We suspect that this concentration was too high for cell survival that initial demethylation of MeHg occurred due to the presence of enzymes within the cells after being grown overnight and before their addition to the sample tubes. Thus MeHg levels decreased until the NADP pool within the cell was depleted and MerA was no longer able to remediate mercury ions resulting from demethylation, leading to cell death.
+</h3>
 		</div>
 		<div class="slide" id="slide10" data-anchor="slide10">
-				<h4>Wet Lab</h4>
-<img src="https://static.igem.org/mediawiki/2014/3/3d/WetLabGFPStudyIcon.png" alt = "wet" height = "80">
-<img src="https://static.igem.org/mediawiki/2014/9/9f/WetLabPartsIcon.png" alt = "wet" height = "80">
+		</div>
+<div class="slide" id="slide11" data-anchor="slide11">			<table style="width: 100%; margin: 5px;">
+ <tr>
+<h4>Encapsulation</h4><br><br>
+<td>
+<td>
+<td>   0
+<td>   0
+ </tr>
+<tr>
+<td>
+<h3>
+The main goal of EncapsuLab was to create a system for the preservation and protection of the bacteria in our system,
+ as well as physically separating them from the outside environment. To achieve this, we created a water-porous
+ silica matrix using techniques developed by the Aksan and Wackett labs at the U of M. Furthermore, we developed
+ a device to work as a proof of concept for the use of encapsulated bacteria in a real water-cleaning system.
+In addition to this, we conceptualized a scaling-up of our system for larger water-cleaning problems. Lastly,
+we developed a mathematical model to compare our experimental data in order to better understand the biochemical networks behind our work.
+<br>
+</h3>
+</td>
+<td>
+<img src="http://giant.gfycat.com/BlankIllegalJackal.gif" height= "360" width= "480">
+</td>
+ </tr>
+<br>
+<tr>
+<td>
+<td>
+<h2>
+Title1
+</h2>
+</td>
+</td>
+</tr>
+<tr>
+<td>
+<td>
+<h4>
+Yoloswag
+</h4>
+</td>
+</td>
+</table>
-<img src="https://static.igem.org/mediawiki/2014/5/52/WetLabRemediationIcon.png" alt = "wet" height = "80">
+</div>
+<div class="slide" id="slide12" data-anchor="slide12">			  <div id="title">
-<img src="https://static.igem.org/mediawiki/2014/a/a0/WetLabSafetyIcon.png" alt = "wet" height = "80">
+        <h4>Encapsulation Procedure</h4><br><br>
+    </div>
+<td>
+       <img src="https://static.igem.org/mediawiki/2014/a/a5/Igem_flowchart.png" alt = "logo" height=40% width=40%><br>
+<h3>To make a silica matrix surrounding a cell, we needed a supply of silica nanoparticles and a reactive cross-linker capable of <br>covalently bonding reagents into a unified volume. Two solutions were prepared: one was a combination of TM-40 (colloidal <br>silica) and diluting components (ultrapure water and polyethylene glycol). The second solution was tetramethyl orthosilicate <br>(TMOS) cross-linker. In slightly acidic conditions, methyl groups of TMOS are hydrolyzed, producing methanol and the silica <br>cross-linker. Resuspended and washed cells are then added to the relatively innocuous colloidal solution. Upon combining <br>these two mixtures, a rapid polymerization linking colloidal silica together occured. In order to achieve proper bead <br>sphericity, we combined all of these components in an hydrophobic solution and let them set. After some experimentation, we <br>were able to produce beads with a consistent size. To purify the mixture, we phase-separated the silica beads by adding <br>water to solution, which forced them into the aqueous phase. These were then recovered to assess viability.
+<br></h3></td>
-<img src="https://static.igem.org/mediawiki/2014/3/33/WetLabResultsIcon.png" alt = "wet" height = "80">
-		</div>
-<div class="slide" id="slide11" data-anchor="slide11">
 </div>
-<div class="slide" id="slide12" data-anchor="slide12">
+<div class="slide" id="slide13" data-anchor="slide13">			<table style="width: 100%; margin: 5px;">
-</div>
+<tr>
-<div class="slide" id="slide13" data-anchor="slide13">
+      <h4>The Biochemical Network</h4><br><br>
-</div>
+</tr>
-<div class="slide" id="slide14" data-anchor="slide14">
+<tr>
-</div>
+<td><h3>
-<div class="slide" id="slide15" data-anchor="slide15">
+<br>In this project, systems of mathematical equations are used to model the biochemical network of methylmercury conversion in E. coli and to determine the effects of changing methylmercury concentration on the conversion rate. A combination of enzyme kinetics and protein expression equations was in the model. The reactions below shows the four-step reaction network for the conversion of methylmercury to volatile mercury using the mer operon in E. coli. This network involves the transport of methylmercury into the cell, its subsequent conversion into ionic and volatile mercury, and the transport of volatile mercury to the extracellular space. This simplified network follows the proposed mechanism of the mer operon and it captures the primary steps of methylmercury breakdown in E. coli. Furthermore, a system of ordinary differential equations was used to model the biochemical reactions taken place at each step of the conversion process. The cofactors were not included in the equations because at sufficient concentrations, they do not significantly alter the rates.<br>
-</div>
+</h3>
-<div class="slide" id="slide16" data-anchor="slide16">
+</td>
-</div>
+</tr><tr>
-<br><br><br>
+<img src="https://static.igem.org/mediawiki/2014/0/04/BiochemicalNetwork.png" height=40% width=43%>
+</tr>
+</table>
+</div>
+<div class="slide" id="slide14" data-anchor="slide14">			  <h4>Mathematical Modeling</h4>
+<br><h3>
+<br>The equations used in conversion steps 3 and 4 are extracted from studies done by Maria on ionic mercury uptake by E. coli <br>cells (Maria, 2010). These equations can be used because ionic mercury is converted into elemental mercury which in turn <br>diffuses into the extracellular space; these two steps were described in the Maria paper. It is assumed that methylmercury <br>and ionic mercury have similar orders of magnitude of transport rate into the cell.
+<br>Since step 2 is not explicitly included in the Maria paper, a different approach was used to determine the equation. During <br>our literature search, we did not find any primary publications that specify the methylmercury conversion behavior of both <br>MerA and MerB. Our pBBRBB plasmid is designed in the way that the mer genes are induced in the presence of methylmercury and <br>ionic mercury. Through our literature search, we were able to calculate the steady state concentrations of basal and induced <br>states based on the presence of methlymercury and ionic mercury in the cytosolic space. Therefore, we used the below <br>equation to extrapolate the reaction rates of both the mer proteins. For details, please see Supplemental Materials A.
+<br><img src="https://static.igem.org/mediawiki/2014/d/dc/IGEM_Mercury_Equations.PNG"alt = "logo" height=40% width=40%>
+<br>The above equations show the reaction rates of the mer proteins under induced steady state. To represent the full MerA and <br>MerB expression, we include terms for the basal protein expression, the induction of the Mer proteins, and the degradation <br>of proteins. For details on the calculations, please refer to Supplemental Materials A. We have determined from our <br>calculations that Va and Vb resemble Vmax in the equations.
+</h3>
-<div class="section" id="section3">
+</div>
-                                 <h4> Project </h4>
+<div class="slide" id="slide15" data-anchor="slide15">			  <h4>Sensitivity Analysis</h4>
+<br><h3>
+<br>
+<img src="https://static.igem.org/mediawiki/2014/a/a5/SensitivityAnalysisHg.png"alt = "logo" height=90% width=90%>
+<br>
+<br>We performed sensitivity analysis to give us insight into which parameters will have the greatest effect on each species in <br>the reaction equations. We calculated the local derivatives of each species with respect to the parameters to determine how <br>much the parameters affected the result. The concentration of methylmercury in the cytoplasm was found to be most sensitive <br>to the V and K parameters of MerB. Additionally, the concentration of Hg in the extracellular space and cytosol were both <br>most sensitive to the V and K parameters of MerA. We can use this sensitivity analysis as a guide to what parameters are most <br>useful to improve. If we want the device to be more efficient at methylmercury conversion, efforts should be directed towards <br>improving the enzymatic activity of MerA and MerB.
+</h3>
+</div>
-<table style="width:100%"; align: center; background-color:#f1f1c1;>
+<div class="slide" id="slide16" data-anchor="slide16">
-  <tr>
+<h4> Device Design </h4>
-    <td>
+<br>
-<ul>
+<table style="width: 100%; margin: 5px;">
-<li><lab>
+<tr>
-<img src="https://static.igem.org/mediawiki/2014/5/5b/DryLabnewIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide2';" alt = "Dry Lab" height = "175">&nbsp;&nbsp;
+<td><h3>
-</lab>
+This device incorporates two key elements of mechanical engineering design: simplicity and functionality. Key concepts from fluid mechanics are applied to pump water into and out of the encapsulation as efficiently as possible. The system can be placed in or out of the water, which makes it easy to use in any situation. The sleek aluminum casing offers a durable resistance to the ever-changing surroundings and environment. Overall, the simplicity of the design makes it user-friendly and adaptable.
-</li>
+</h3>
-<labSection><li>
-<img src="https://static.igem.org/mediawiki/2014/3/38/DeviceDesignIcon1newfont.png" alt = "dry" height = "80">
-<img src="https://static.igem.org/mediawiki/2014/a/a5/EncapsuLab.png" alt = "dry" height = "80">
-</li>
-<li>
-<img src="https://static.igem.org/mediawiki/2014/0/03/MathModelIconnewfont.png" alt = "dry" height = "80">
-<img src="https://static.igem.org/mediawiki/2014/f/f2/ResultsIconnewfont.png" alt = "dry" height = "80">
-<img src="https://static.igem.org/mediawiki/2014/6/6c/ScalabilityIconnewfont.png" alt = "dry" height = "80">
-</li>
-<li>
 </td>
+<td><img src="https://static.igem.org/mediawiki/2014/c/ce/Device_schematic_blown_up.jpg"alt = "logo" height=10% width=25%>
+</td>
+</tr>
+<tr>
 <td>
-<ul>
+<img src="https://static.igem.org/mediawiki/2014/f/fb/Rotating_Device.gif"alt = "logo" height=40% width=25%>
-<li><lab>
-<img src="https://static.igem.org/mediawiki/2014/1/17/WetLabIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide3';" alt = "Wet Lab" height = "175">
-</lab>
-<ul>
-<li>
-<labSection>
-<img src="https://static.igem.org/mediawiki/2014/8/84/MercuryRemediationIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide3';" alt = "wet" height = "80">
-<img src="https://static.igem.org/mediawiki/2014/5/52/WetLabRemediationIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide5';" alt = "wet" height = "80">
-</li>
-</labSection>
-<li>
-<img src="https://static.igem.org/mediawiki/2014/a/a0/WetLabSafetyIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide7';" alt = "wet" height = "80">
-<img src="https://static.igem.org/mediawiki/2014/3/33/WetLabResultsIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Project/slide9';" alt = "wet" height = "80">
-</li>
-</ul>
 </td>
-  </tr>
+<td>
-</table> ==
+<h3>
+Our design is very similar to commonly used fixed-bed adsorption and ion exchange columns in that it involves flow of a fluid down through a packed bed that removes a solute. However, an important difference is those types of columns contain chemical resins or adsorbents that can become saturated (i.e. reach capacity) as they adsorb solute. Since we use encapsulated bacteria whose "capacity" is only limited their lifetime, our device has the added benefit that the mass-transfer zone (the part of the column where the solute is removed) doesn't move down the column due to saturation. This also means that we don't need to alternate between adsorption and regeneration cycles.
+</h3>
+</td>
+</tr>
+</table>
+</div>
+<div class="slide" id="slide17" data-anchor="slide17">
+<h4> Scalability </h4>
+</div>
+<br><br><br>
 	</div>
-	<div class="section" id="section4">
+	<div class="section" id="section3a">
 		<div id="title">
 			<h4>Meet The Team</h4>
@@ Line 622: / Line 946: @@
 		<ul>
 			<li>
-				<img id="teamImg" src="https://static.igem.org/mediawiki/2014/thumb/0/05/CassandraBarret.png/776px-CassandraBarret.png" height=15% width=15%>
+				<script>
-				<img id="teamImg" src="https://static.igem.org/mediawiki/2014/f/fb/DavidHu.png" height=15% width=15%>
+$(document).ready(function(){
-				<img id="teamImg" src="https://static.igem.org/mediawiki/2014/thumb/e/ef/DiLiu.png/495px-DiLiu.png" height=15% width=15%>
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-				<img id="teamImg" src="https://static.igem.org/mediawiki/2014/thumb/3/35/ValeriuBortnov.png/500px-ValeriuBortnov.png"  height=15% width=15%>
+  $("[id=bio-id]").tooltip({
-				<img id="teamImg" src="http://img5.imageshack.us/img5/4337/jqot.jpg" height=10% width=10%>
+    content: function() {
+        return $(this).attr('title');
+    },
+    position: {
+    	my: "center bottom-40",
+    	at: "center top",
+    }
+    })
+});
+             </script>
+<a id="bio-id" href="#" title="<font size='4'> Name:Dr. Jeff Gralnick <br> Faculty Advisor <br>
+Team: Wet Lab <br>
+About: Jeff Gralnick earned his PhD in Bacteriology from the University of Wisconsin - Madison and was a Texaco-Prize postdoctoral fellow at the California Institute of Technology in the Division of Geology and Planetary Sciences before coming to the Microbiology Department at the University of Minnesota in 2005. The Gralnick Lab focuses on microbial physiology and synthetic biology of environmental metal transforming bacteria with goals to both understand complex systems and to reengineer them for bioenergy and bioremediation applications.
+				<br>
+				</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/9/9a/JeffGralnick.jpg"  height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Dr. Casim Sarkar <br> Faculty Advisor <br>
+Team: Dry Lab <br>
+About: Casim Sarkar received his Ph.D. in Chemical Engineering from the Massachusetts Institute of Technology (2002). After a postdoctoral fellowship in the Department of Biochemistry at the University of Zurich (2002-2005), Dr. Sarkar was an assistant professor in the Department of Bioengineering at the University of Pennsylvania (2006-2013). He is currently an associate professor in the Department of Biomedical Engineering at the University of Minnesota. His research interests lie in the area of molecular cell engineering, both for fundamental biological discovery and for translational design.
+				<br>
+				</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/a/ac/CasimSarkar.jpg"  height="130" width="130"></a>
+				<a id="bio-id" href="#" title="<font size='4'> Name: Sarah Perdue <br> Year: Post Doctorate <br>
+Team: Wet Lab (Advisor) <br>
+About: Sarah is a postdoctoral research associate who joined the Schmidt-Dannert lab in 2014.  She earned her B.S. in Biochemistry from UW-Madison in 2002 and her Ph.D. in Microbiology from Cornell University in 2011.  Her main research interests are in microbial molecular biology, genetics and biochemistry.  To this end, her current research in the CSD group is to construct a modular system to clone and express multi-gene fungal biosynthetic pathways in yeast.
+				<br>
+				</font>"> <img id="teamImg" src="https://static.igem.org/mediawiki/2014/8/88/SarahPerdue.jpg"  height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: James Ellinger <br>
+Year: Post Doctoral <br>
+Team: Wet Lab (Advisor) <br>
+About:  When James isn't busy being a professional scientist, he enjoys living a circular life. He runs to eat, and eats to run.
+<br>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/1/14/JimmyEllinger.jpg " height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Aunica Kane <br>
+Year: Graduate Student <br>
+Team: Wet Lab / Dry Lab (Advisor) <br>
+About:  Aunica is a 5th year Ph.D. Candidate in Biochemistry, Molecular Biology & Biophysics. She earned her B.A. in Biology in 2006 and her M.S. in Microbial Engineering in 2010 both from the University of Minnesota. Her main research interests are microbial ecology, molecular biology, and synthetic biology. Currently her work focuses on engineering synthetic communities for biotechnology applications. She enjoys teaching and mentoring, and this is her second year advising the University of Minnesota's iGEM team.
+<br>
+</font>"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/d/d3/AunicaKane.JPG"  height="130" width="130"></a>
 			</li>
 			<li>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/women/42.jpg" height=10% width=10%>
+<a id="bio-id" href="#" title="<font size='4'> Name: Stephen Heinsch <br>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/women/43.jpg" height=10% width=10%>
+Major: Genetics, Cell Biology, and Development <br>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/women/44.jpg" height=10% width=10%>
+Team:  Wet Lab <br>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/women/45.jpg"  height=10% width=10%>
+About:  I am interested in synthetic biology and its applications in drug discovery.
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/women/46.jpg"  height=10% width=10%>
+<br>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/women/47.jpg" height=10% width=10%>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/d/d7/StephenHeinsch.JPG" height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Valeriu Bortnov <br>
+Major: Biochemistry, GCD <br>
+Team: Wet Lab <br>
+About: I am a senior at the University of Minnesota and am planning to go to graduate school for a PhD after I graduate. I currently work in a biochemistry lab at the University of Minnesota studying terpene synthases. In my spare time, I very much enjoy playing guitar, piano and drums as well as writing music as a hobby.
+<br>
+</font>">
+				<img id="teamImg" src=" https://static.igem.org/mediawiki/2014/3/36/ValeriuBortnov.jpg"  height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Suzie Hsu <br>
+Major: Graduate Student <br>
+Team: Wet Lab <br>
+About:  This is my second year doing iGEM at UMN. I just start my PhD program in Biochemistry, Molecular Biology, and Biophysics pursuing Biotechnology Track. When I am not in the lab, I like to bike, cook and read.
+<br>
+</font>
+"><img id="teamImg" src=" https://static.igem.org/mediawiki/2014/a/ad/SuzieHsu.jpg" height="130" width="130"> </a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Niko Le Mieux <br>
+Major: Chemistry, Physiology <br>
+Team: Dry Lab <br>
+About:  I'm a senior in Chemistry that's been involved with iGEM since 2012. For this project I was in charge of the whole EncapsuLab portion of our project. Post graduation, my end goal is to pursue a Master's degree in International Business at the Fletcher School of Diplomacy at Tufts. Other than iGEM, I'm highly active in the Alpha Chi Sigma chemistry fraternity and with the Hellenic Student Association to promote Greek-American culture.
+<br>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/e/e1/NikoLeMieux.JPG "  height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Patrick Holec <br>
+Major: Biomedical Engineering, Mathematics <br>
+Team: Dry Lab <br>
+About: I am an avid researcher who gets very excited about tackling new challenges in biological engineering. After college, I intend to attend graduate school and study mathematical biology.
+<br>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/c/c5/PatrickHolec.JPG" height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: David Hu <br>
+Major: Biochemistry, GCD <br>
+Team: Wet Lab / Dry Lab <br>
+About:  I am an international student from Taiwan and my career goal is to become a medical scientist researching the molecular biology of cancer.
+<br>
+</font>
+">
+				<img id="teamImg" src=" https://static.igem.org/mediawiki/2014/6/68/DavidHu.jpg" height="130" width="130"></a>
 			</li>
 			<li>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/men/42.jpg" height=10% width=10%>
+<a id="bio-id" href="#" title="<font size='4'> Name: Di Liu <br>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/men/43.jpg" height=10% width=10%>
+Major: Mathematics <br>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/men/44.jpg" height=10% width=10%>
+Team: Dry Lab <br>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/men/45.jpg"  height=10% width=10%>
+About:  In addition to iGEM, I work at the U of M Medical Center and I love to research, play piano, and play with my pets. I am always open to any new opportunities that come along the way.
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/men/46.jpg"  height=10% width=10%>
+<br>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/men/47.jpg" height=10% width=10%>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/f/f9/DiLiu.jpg" height="130" width="130"> </a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Sarah Lucas <br>
+Major: Genetics, Cell Biology and Development <br>
+Team: Wet Lab <br>
+About:  Besides being a part of iGEM, I am the vice president of the Genetics, Cell Biology and Development Club, and I babysit and work at a local greenhouse. Some hobbies of mine are reading, skiing, and playing cards games like cribbage and spades. My tentative plan after graduation is to obtain my PhD.
+<br>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/6/6f/SarahLucas.JPG" height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Jessica Tarnowski <br>
+Major: Genetics Cell Biology, Development <br>
+Team: Wet Lab/Human Practices <br>
+About:  In addition to iGEM, Jessica enjoys reading, biking, and beer and is an avid LOTR fan. She will be graduating in December and will continue to work in the Public Health Laboratory at the Minnesota Department of Health after graduation.
+<br>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/4/4b/JessTarnowski.JPG" height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Aaron Free <br>
+Major: Computer Science<br>
+Team: Web <br>
+About:  I am interested in computational linguistics and the design of everyday things.
+<br>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/d/db/AaronFree.JPG"  height="130" width="130"></a>
+<a id="bio-id" href="#" title=""><img id="teamImg" src="" height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Holly Li <br>
+Major: Mathematics <br>
+Team: Dry Lab <br>
+About:  I graduated this year with a B.S. in Mathematics. I will continue my studies in computer science.
+<br>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/5/5a/HollyLi.JPG"  height="130" width="130">
+<a id="bio-id" href="#" title="<font size='4'> Name: Roxana Karami <br>
+Major: Mechanical Engineering <br>
+Team: Dry Lab <br>
+About:  I work in a mechanical engineering lab that deals with all things aersol! While not trying to tackle our atmospheric issues, I enjoy running, biking, eating, reading and sleeping along the great Mississippi. I hope to pursue my graduate degree in mechanical engineering.
+<br>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/8/8f/RoxanaKarami.jpg"  height="130" width="130">
 			</li>
 			<li>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/men/32.jpg" height=10% width=10%>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/women/33.jpg" height=10% width=10%>
+				<a id="bio-id" href="#" title="<font size='4'> Name: Cassandra Barret <br> Year: Senior <br>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/men/34.jpg" height=10% width=10%>
+				Major: Microbiology <br>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/men/35.jpg"  height=10% width=10%>
+				Team: Human Practices / Wet Lab <br>
-				<img id="teamImg" src="http://api.randomuser.me/portraits/med/women/36.jpg"  height=10% width=10%>
+				About: I’m a senior studying microbiology. Some of my main research interests include the human microbiome, Huntington’s disease, and synthetic biology. Outside of the classroom I’m an officer in the Microbiology Club and Synthetic Biology Society. I also work in the Veterinary Diagnostics Lab on campus. My hobbies outside of science include hiking, poetry writing, cooking, and biking.
+				<br>
+				</font>"> <img id="teamImg" src=" https://static.igem.org/mediawiki/2014/8/8c/CassandraBarret.jpg" height="130" width="130"> </a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Logan Pfaff <br>
+Major: Microbiology, GCD and minor in Pharmacology. <br>
+Team: Wet Lab <br>
+About:  I work for the Anatomy Bequest program at the University and volunteer at fairview hospital weekly. I am the vice president of the Pharmacology club on campus and am very active. I plan on attending medical school in the year 2016. After I graduate, I plan to work as a scribe and lab technician. For wet lab, I worked on the MerB gene, which encodes an enzyme that removes the CH3 group from mercury ions. <br>
+</font>"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/7/7a/LoganPfaff.jpg" height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Jennifer Strommen<br>
+Year: Senior<br>
+Major: Biology, Linguistics<br>
+Team: Human Practices Lead/Wet Lab<br>
+About: Jennifer assisted with the project development as well as construction and testing of the mer operon and merT parts, coordinated and led Science Museum outreach, and directed the documentary.  Outside of synthetic biology, her research interests include neurobiology, natural language processing and Python.  She is also a co-founder of Synthetic Biology Society and leader of both a Python Beginners group and an undergraduate linguistics group, and volunteers at the Science Museum in her spare time.<br>
+				</font>">
+				<img id="teamImg" src="https://static.igem.org/mediawiki/2014/1/17/JenniferStrommen.JPG" height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Taylor D. Aldridge <br>
+Major: Statistics <br>
+Team: Human Practices <br>
+About:  I'm from Petersburg, Illinois. My spirit animal is a zebra. I listen to indie alternative and rap music. In my free time I like to run, bike, and go to concerts. I'm an avid water,tea, and chocolate milk drinker. I'm attempting to learn Icelandic and how to beatbox. I quote the song, 'the climb' too much.
+<br>
+</font>
+"><img id="teamImg" src=" https://static.igem.org/mediawiki/2014/9/9d/TaylorAldridge.jpg "  height="130" width="130"></a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Camilo Rey <br>
+Major: Biochemistry <br>
+Team: Wet Lab <br>
+About:  I am a Colombian science lover. My other passions include music and traveling.
+<br>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/9/9b/CamiloReyBedon.jpg" height="130" width="130"> </a>
+<a id="bio-id" href="#" title="<font size='4'> Name: Srijay Rajan <br>
+Major: Chemical Engineering <br>
+Team: Dry Lab <br>
+About: Active member of the Beta Chapter of Alpha Chi Sigma. I enjoy reading, cooking, trivia, outdoor activities, and having fun. Apart from synthetic biology, I am also interested in biomaterials and developing sustainable ways to manufacture chemicals. From Moorpark, CA.
+<br>
+</font>
+"><img id="teamImg" src="https://static.igem.org/mediawiki/2014/e/e6/SrijayRajan.png"  height="130" width="130"></a>
 			</li>
 		</ul>
 <br><br><br><br><br>
 	</div>
-	<div class="section" id="section5">
+	<div class="section" id="section4">
-		<div class="slide" id="slide1" data-anchor="slide1">
+		<div class="slide" id="PnPslide1" data-anchor="PnPslide1">
 			<h4>Policies & Practices</h4>
-             <a href="https://2014.igem.org/Team:Minnesota/Templates/home#Policies/slide2">
+             <a href="https://2014.igem.org/Team:Minnesota#Policies/slide2">
-             <img id="pp-logo" src="https://static.igem.org/mediawiki/2014/7/78/EducationalOutreachIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Policies/slide2';">
+             <img id="pp-logo" src="https://static.igem.org/mediawiki/2014/7/78/EducationalOutreachIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota#Policies/slide2';"alt = "policies" height = "190">
              </a>
-             <a href="https://2014.igem.org/Team:Minnesota/Templates/home#Policies/slide3">
+             <a href="https://2014.igem.org/Team:Minnesota#Policies/slide3">
-             <img id="pp-logo" src="https://static.igem.org/mediawiki/2014/d/db/PublicPerception.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Policies/slide3';">
+             <img id="pp-logo" src="https://static.igem.org/mediawiki/2014/d/db/PublicPerception.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota#Policies/slide3';" alt = "policies" height = "190">
              </a>
-             <a href="https://2014.igem.org/Team:Minnesota/Templates/home#Policies/slide4">
+             <a href="https://2014.igem.org/Team:Minnesota#Policies/slide4">
-             <img id="pp-logo" src="https://static.igem.org/mediawiki/2014/b/b7/IntellectualPropertyIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Policies/slide4';">
+             <img id="pp-logo" src="https://static.igem.org/mediawiki/2014/b/b7/IntellectualPropertyIcon.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota#Policies/slide4';" alt = "policies" height = "190">
              </a>
-             <a href="https://2014.igem.org/Team:Minnesota/Templates/home#Policies/slide5">
+             <a href="https://2014.igem.org/Team:Minnesota#Policies/slide5">
-             <img id="pp-logo" src="https://static.igem.org/mediawiki/2014/a/af/Documentary.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota/Templates/home#Policies/slide5';">
+             <img id="pp-logo" src="https://static.igem.org/mediawiki/2014/a/af/Documentary.png" onclick="javascript:location.href='https://2014.igem.org/Team:Minnesota#Policies/slide5';" alt = "policies" height = "190">
              </a>
-		    <h3>Our Policies & Practices team had a holistic approach to addressing the public health concern of methylmercury contamination as it relates to the implementation of our device. Our team actively attempted to address problems associated with the application of our project and device. From early education and societal perception to small-business design and device implementation, UMN iGEM sought new ways to address our project from varying perspectives to better inform the design and launch of our project. To explore some highlights of our policies and practices team [insert navigation guide here].
+		    <h3>Our Policy and Practices approach this year has focused on establishing an effective two-way discourse between our team and the public in order to inform our design, educate the public, and illuminate ethical issues related to both our project and integration of public opinion into project implementation. We focused our discussion on safety, ethics, sustainability, and intellectual property in order to design a project that fits the needs of the public while maintaining technical viability and high potential for commercialization. Our team did extensive educational outreach in addition to educating ourselves on public perception of our work. We used this input to inform our device design such that it could be implemented in a way that addresses the major concerns of both scientists and consumers. We also took steps to protect our intellectual property and explore the patenting and commercialization process of our product. Finally, our team sought to investigate ethical issues brought up by our discourse with the public by discussing both our work and ethics related to the project with a variety of experts and ethicists.
 </h3>
@@ Line 683: / Line 1,216: @@
 			<h4>Educational Outreach</h4>
-             <h3> Building on past successes, our team was devoted to volunteering our services to the community in a number of educational venues. The team took our curriculum, first developed in 2013, and improved the structure and delivery of our lesson plans in hopes to encourage awareness and education on topics in synthetic biology. Since its inception, our educational outreach group ECORI (Educating Communities On Research Innovation) has taught our original curriculum to over 200 students (K-12); an exhibit-form of our curriculum to a number of children of all ages at the Science Museum of Minnesota, 3M; and has been represented at several STEM fairs within the metropolitan community. In the spirit of science, our curriculum has been ever evolving to constantly address salient topics and educational materials and is flexible in nature to be taught in a variety of settings.
+             <h3>Building on past successes, our team has been devoted to volunteering our services to the community in a number of educational venues. The team took our curriculum, first developed in 2013, and improved the structure and delivery of our lesson plans in the hopes of encouraging awareness and education on topics in synthetic biology. Since 2013 our educational outreach group ECORI (Educating Communities On Research Innovation) has taught our <a href="https://static.igem.org/mediawiki/2014/a/ab/Curriculumhandbook.pdf">original, interactive curriculum</a> to over 200 students (K-12) and their teachers. This year we also created a mobile exhibit form of our curriculum along with a layman’s introduction to our project that we displayed on over half a dozen weekends to visitors of all ages at the Science Museum of Minnesota. Our curriculum has also been brought to several other STEM fairs and family fun events in the Twin Cities area including the 3M Science Day Fair for 3M employees and their families, UMN Biodiversity Fair, CSE Family Fun Fair, and the Middle School STEM Fair hosted by the Association of Multicultural Students at UMN. Finally, the team designed a Synthetic Biology Game Show that was presented on stage with 30 participants at the Minnesota State Fair to assess the general public’s knowledge of the subject and teach hundreds of passers-by in a way that was both engaging and interactive. Winners were rewarded with reusable bags, magnets, and gift cards donated by our sponsors. In the spirit of science, our curriculum has been ever evolving to constantly address salient topics and educational materials. The variable versions of our curriculum allow it to be flexible and practical in various settings.
   </h3>
@@ Line 689: / Line 1,222: @@
 		</div>
 		<div class="slide" id="slide3" data-anchor="slide3">
-			<h4>Public Perception</h4>
+			<h4 style="padding: -20px;">Public Perception</h4>
+			<img src="https://static.igem.org/mediawiki/2014/0/0c/Img5redo.JPG" height="190">
+<img src="https://static.igem.org/mediawiki/2014/0/08/Img2redo.JPG" height="190">
+<img src="https://static.igem.org/mediawiki/2014/f/f1/Img_4.JPG" height="190">
+<img src="https://static.igem.org/mediawiki/2014/2/23/Img_3.JPG" height="190">
+<img src="https://static.igem.org/mediawiki/2014/4/43/1redddddddddddddo.JPG" height="190">
+            <h3> Our team sought to inform the majority stakeholders in our community concerning the scope of our project. This year our team chose to have an exhibit catered towards adult residents at the Minnesota State Fair (the largest statewide annual gathering with over 1.8 million visitors each year) to learn how we can best design our technology to meet the needs and concerns of the people whose waters we hope to bioremediate. We delivered a short synopsis of our device, the synthetic biology involved, and safety precautions we have outlined for our project. We then presented visitors with a five question survey using a Likert Scale to gauge public perception of both our device, and the synthetic biology methods used. The survey was a huge success with over 320 participants. With such a diverse attendance, our survey captured a great cross-section of the Minnesota community that would be impacted by the implementation of our device. The results of our survey, illustrated below, informed how and where the public would be most comfortable with implementing our device, and illustrated the need for catered education addressing the public’s major concerns prior to applying our device in the environment. Our model for gauging public perception allowed for a wide, diverse crowd to be accessed. This model can be used upon request.
-            <h3> our team sought to inform the majority stakeholders in our community concerning the scope of our project. This year, our team chose to have an exhibit catered towards adult residents at the Minnesota State Fair (the largest MN gathering with over 1.8 million visitors annually) to learn the ways we can best design our technology to meet the needs and concerns of the people whose waters we hope to help remediate..  We delivered a short synopsis of our device, the synthetic biology involved, and safety precautions we have insured. We then presented visitors with a five question survey (Likert Scale) to gauge public perception of both our device, and the synthetic biology methods used. The survey was a huge success with over 320 participants. The survey delivery captured a great cross-section of the MN community that would be most impacted by the implementation of our device. The results of our survey, illustrated below, informed how and where the public would be most comfortable with  implementing our device, and illustrated the need for catered education addressing the public’s major concerns prior to applying our device in the environment. Our model for gauging public perception allowed for a wide, diverse crowd to be accessed. This model can be used upon request.
   </h3>
@@ Line 698: / Line 1,236: @@
 		<div class="slide" id="slide4" data-anchor="slide4">
 			<h4>Intellectual Property</h4>
+<br>
+<h3>
+Members of our team attended three Intellectual Property Protection and patenting workshops that educated them on the process of commercialization of our invention. This allowed us to develop a comprehensive business plan and perform an economic analysis of the mining, fisheries, and governmental markets that could potentially benefit from the use of our invention. We also worked in conjunction with the Office of Technology Commercialization to explore the patentability of our project, the novelty, the non obviousness, and utility of our product and how to make the best claims to patent our device or license it to Minnepura Technologies, Inc.
+</h3>
+<table style="width: 100%; margin: 5px;">
+<tr>
+<img src="https://static.igem.org/mediawiki/2014/a/a7/IP.jpg" alt = "logo" height=50% width=40%>
+<h3> Basem and Patrick meet with patent attorneys at the Office for Technology Commercialization </h3>
+<td> <img src="https://static.igem.org/mediawiki/2014/8/82/PHS2.jpg" alt = "logo" height=10% width=20%>
+<h3> Kill Switch 1 </h3>
+<tr><img src="https://static.igem.org/mediawiki/2014/8/82/PHS2.jpg" alt = "logo" height=10% width=10%>
+<h3> Kill Switch 2 </h3>
+</td>
+</tr>
+</table>
 		</div>
 		<div class="slide" id="slide5" data-anchor="slide5">
 			<h4>Documentary</h4>
+<br>
+<iframe width="420" height="315" src="//www.youtube.com/embed/35bRY4s0ZwA" frameborder="0" allowfullscreen></iframe>
+<iframe width="420" height="315" src="//www.youtube.com/embed/iqXga-qfj90" frameborder="0" allowfullscreen></iframe>
              <h3>
-            The University of Minnesota 2014 iGEM team proudly presents our documentary film discussing the background of our project and the bioethics relating to our device. The main purposes of this documentary film are to familiarize the audience with the global mercury contamination problem, to discuss the bioethical questions of synthetic biology and biotechnological products, and to evaluate the bioethical concerns of our device implementation.
+In order for our project to reach commercialization and success with the public, we needed to inform ourselves as well as others of the ethics of the use of our invention. We compiled this documentary in order to inform those unfamiliar with the problem of global mercury contamination and to discuss the bioethical questions of synthetic biology as they related to our device implementation. We conducted interviews with specialists from environmental toxicology, biotechnology, and philosophy. Through our collaboration with the 2014 Colombia iGEM Team, we further examined the current mercury contamination in Colombia and around the globe.
-            To address the above missions, we have conducted interview with specialists from environmental toxicology, biotechnology, and philosophy at the University of Minnesota.  We explore the past incident of methylmercury contamination in Minamata, Japan, as well as the ongoing methylmercury contamination in the state of Minnesota. Through our collaboration with the 2014 Colombia iGEM Team, we further examine the current methylmercury contamination in Colombia because of illegal and informal gold mining using mercury as a reagent.
-            While GMOs are prevalent in today’s society in forms of food, products, and biotechnology, the public perception of GMOs still diverges. We pace through many different discussions in our video, including why GMOs are perceived differently in the public, why research on the effect of GMOs is usually time- and fund-intensive, and how policy-making corresponds with scientific findings to ensure the biosafety of GMOs.
-            So is it safe to implement our device that contains GMOs into the local, polluted water? How do we assess the benefits of implementing our device and how do we know if the benefits out-weight the potential risk of introducing a biohazard into the local water stream? What kinds of precautions should we bear in mind when designing the device? While our documentary addresses all these issues, what is even more thought-provoking is the question of can we reduce the usage of GMOs for bioremediation by reducing the production of pollution?
-            Please sit back and enjoy as the University of Minnesota 2014 iGEM Team presents our full thought processes regarding the above matters in a documentary film.
              </h3>
@@ Line 718: / Line 1,267: @@
 	</div>
-	<div class="section" id="section6">
+	<div class="section" id="section5">
 		<div class="slide" id="safetySlide1">
 			<h4>Safety in the Lab</h4>
+            <h3><b>Our Training </b>
+                 <br>
+                 DEHS Introduction: Research Safety
+                 <br>
+                 DEHS Chemical Safety
+                 <br>
+                 DEHS Waste Management
+            </h3>
 		</div>
 		<div class="slide" id="safetySlide2">
 			<h4>Safety in the Lab</h4>
+			<h3>2. Our Local Rules and Regulations
+                   Who is responsible for biological safety at our institution?
+                   The project was discussed with the Department of Environmental Health and Safety at our university, and a plan was devised for mercury waste disposal based on their input. General biosafety guidelines found at https://www.dehs.umn.edu/bio.htm, http://www.dehs.umn.edu/bio_pracprin.htm and http://www.cdc.gov/biosafety/publications/bmbl5/bmbl.pdf were followed.</h3>
+                   <!--<div></div>-->
 		</div>
 		<div class="slide" id="safetySlide3">
 			<h4>Safety in the Lab</h4>
+			<h3>3. Risks of Your Project Now
+To mitigate risks to the safety and health of team members, or other people working in the lab:
+Gloves are used in any protocol that utilizes Ethidium Bromide, including gel electrophoresis.
+Lab coat, gloves, and full face shields are used when cutting gel fragments in proximity of ultraviolet light.
+For handling mercury, a lab coat, inner and outer (long cuffed) nitrile gloves, lab goggles and face shields will be used, and used materials will be disposed of by the University of Minnesota Department of Environmental Health and Safety.
+There are assigned incubators, hoods, and disposal containers for hazardous materials like mercury chloride.
+Design features to minimize risk
+kill switch proposal that would not allow the bacteria to survive outside of the encapsulation or even device holding the cells
+Air tight?
+non pathogenic lab strains
+</h3>
 		</div>
@@ Line 732: / Line 1,308: @@
-	<div class="section" id="section7">
+	<div class="section" id="section6">
 		<div id="title">
 			<h4>Attributions</h4>
-<br>
-<u><b>Wet Lab:</b></u><br>
-<br>
-<u><b>Mercury Project design: </b></u><br>
-Basem, Aunica, <br>
-<br>
-<u><b>Mercury ion Testing: </b></u><br>
-Aunica, Sarah, Cassandra, Camilo, Srijay, Jennifer, Suzie<br>
-<br>
-<u><b>Methylmercury testing:</b> </u><br>
-Nater Lab, Aunica, Nicholas, Srijay, Patrick, Suzie, Basem<br>
-<br>
-<u><b>Cadmium, Zinc, Copper project design: </b></u><br>
-Basem, Stephen, Aunica<br>
-<br>
-<u><b>Cadmium, Zinc, Copper Testing: </b></u><br>
-Aunica, Cassandra, Jessica ???<br>
-<br>
-<u><b>Kill Switch Proposal: </b></u><br>
-David, Sarah, Camilo, Stephen, Basem<br>
-<br>
-pDU1358 received from Dr. Anne O. Summers, University of Georgia<br>
-pSB74 received through addgene from Keasling Lab<br>
-<br>
-<u><b>Composite parts:</b></u><br>
-mer operon:</b><u><br>
-Primer design: Basem, Stephen<br>
-Parts cloning: Basem, Jennifer, Stephen, Valeriu<br>
-<br>
-<u><b>phsABC:</b></u><br>
-Primer design: Basem, Stephen<br>
-Parts cloning: Basem, Stephen, Valeriu<br>
-<br>
-<u><b>Single parts:</b></u><br>
-	<b>merR:</b></u><br>
-Primer design: Basem, Stephen<br>
-Parts cloning: Cassandra<br>
-<u><i><b>merT:</b></i></u><br>
-Primer design: Stephen, Basem<br>
-Parts cloning: Sarah, Jennifer<br>
-<u><i><b>merP:</b></i></u><br>
-Primer design: Basem, Stephen <br>
-Parts cloning: Camilo, Logan<br>
-<u><i><b>merA:</b></i></u><br>
-Primer design: Stephen, Basem<br>
-Parts cloning: Valeriu, Jessica<br>
-Characterization: Cassandra, Sarah<br>
-<i><b>merB:</b></i></u><br>
-Primer design: Basem, Stephen<br>
-Parts cloning: Logan, David<br>
-<br>
-<u><b>Chassis Transformations:</b></u><br>
-<i>Pseudomonas putida:</i> Basem<br>
-<i>Shewanella oneidensis:</i> Basem<br>
-<i>E. coli K12:</i> Basem, David<br>
-<br>
-Rhodopseudomonas</b></u><br>
-Project design: Basem, Stephen<br>
-Parts cloning: Stephen, Basem<br>
-<br>
-<u><b>Dry lab:</b></u><br>
-<br>
-<u><b>EncapsuLab:</b></u><br>
-Protocol Design: Srijay, Patrick, David, Nicholas<br>
-Cell encapsulation: Nicholas, Patrick, Srijay, David, Basem, Suzie<br>
-Cell Viability Testing: Patrick, David, Nicholas<br>
-SEM encapsulation imaging: Nicholas, UofM imaging center<br>
-Device design: Roxana, Nicholas<br>
-Mathematical modelling: Di, Zhiyi, Patrick, David<br>
-<br>
-<u><b>Policies and Practices:</b></u><br>
-<br>
-<u><b>Outreach, presentations, public perception studies</b></u><br>
-<br>
-School Curriculum design: Basem, Suzie<br>
-Science Museum Curriculum Design: everybody<br>
-Middle School Classroom outreach: Jess, Basem, Cassandra, Jennifer, Suzie<br>
-Science Museum outreach: Jess, Jen, David, Sarah, Cassandra, Basem, Srijay, Di, Holly, Logan<br>
-M presentation: Suzie, Basem, Cassandra, Stephen, Jess<br>
-Cargill presentation: ???<br>
-State Fair outreach:<br>
-	tabling & survey: Cassandra Taylor Jess Jen Basem Suzie Nicholas Stephen Roxana Di <br>Srijay Patrick Holly Logan<br>
-	Survey statistics: Taylor<br>
-	slideshow: Jess, David, Logan<br>
-	giveaways: CBS, local businesses gift cards, Rob Rakow<br>
-	survey content: everyone<br>
-State Fair game show presentation:  Cassandra, Taylor<br>
-<br>
-Ethics :<br>
-blog: Basem, Cassandra, Logan, Jen<br>
-Documentary: Jennifer, David, Colombia iGEM team<br>
-<br>
-Business Plan:<br>
-	Justin, Tanner, Basem, Tamara, ?<br>
-<br>
-Economic Analysis: ??? + IP team at OTC<br>
-<br>
-Colombia collaboration: (magnetic stirrer) Stephen<br>
-Other collaborations??<br>
-<br>
-<u><b>Wiki development</b></u><br>
-Design: Mari, Chris, Aaron, Basem, ??<br>
-Icons, figures development: Mari, Basem, Nicholas, ???<br>
-Coding, CSS, javascript: Aaron, Chris, <br>
-Lab notebook: Sarah Lucas<br>
-<br>
-<u><b>Poster:</b></u><br>
-Basem <br>
-<br>
-<u><b>Team Logo</b></u><br>
-Nicholas<br>
-<br>
-<u><b>Administrative forms, IP, safety:</b></u><br>
-Basem<br>
-<br>
-<u><b>Parts Submission form & shipping</b></u><br>
-Stephen<br>
-<br>
-<u><b>Public relations and team contact</b></u><br>
-Basem, Jessica<br>
-<br>
-<u><b>Grant writing, fundraising</b></u><br>
-Basem, Jess, David, Cassandra<br><br><br><br>	<br><br>			</div>
 	</div>
+	<img src="https://static.igem.org/mediawiki/2014/5/53/Attributions2.PNG" width=75% height=75%>
-	<div class="section" id="section8">
+</div>
-<div id="title">
+	<div class="section" id="section7">
-			<h4>Sponsors</h4><br><br>
+		  <a name="goldmedal"><div class="slide" id="goldslide1" ></a>
+  <h4>Gold Medal Requirements</h4>
+  <h3> <p></p>
+UMN iGEM has strived to produce Gold Medal level work through the duration of our project. Here we outline our work that specifically pertains to each of the gold medal requirements. Scroll to the right to see how we met each requirement!</h3>
+  </div>
+  <div class="slide" id="goldslide2">
+  <h4>Requirement 1: Improving function or characterization of an existing part</h4>
+  <h3>
+To compliment the UMN iGEM 2014 bioremediation project, we chose to improve the "phsABC" biological system first added to the registry by the Yale 2010 team (BBa_K393001). The operon produces hydrogen sulfide to allow for the biological precipitation of heavy metals, such as copper used for the Yale team's biological circuit. We sought to both improve and characterize the part for future utilization in our filtration device. To improve "phsABC", we added a modified lac promoter to allow for constitutive expression rather than IPTG induction within the biological system, and thus make it more applicable in a real world environmental setting where an induction strategy would be costly and inefficient for remediation purposes. We also improved the characterization of their part by testing its application for biological precipitation of Iron and Cadmium in addition to the Yale team's Copper testing to add to the functionality of the part.. [modify if we get to testing]
+</h3>
+  </div>
+  <div class="slide" id="goldslide3">
+  <h4>Requirement 2: Collaborations with other teams</h4>
+  <h3>
+The UMN collaborated with Wisconsin Lutheran to facilitate a week’s worth of synthetic biology curriculum by sending detailed lesson plans developed by our iGEM team, along with strains of microorganisms used to facilitate trainings. In addition, we participated in Columbia iGEM's low-budget lab exercise, who in turn provided UMN iGEM with an interview with a local environmental health specialist who has extensive knowledge of the mercury contamination problem within Columbia.
-		<ul>
+</h3>
-			<li>
+  </div>
-<br><h5> Platinum </h5>
+       <div class="slide" id="goldslide4">
-<img id="attImg" src="https://static.igem.org/mediawiki/2014/thumb/c/ca/BTI-header.gif/800px-BTI-header.gif" height=20% width=20%>
+       <h4>Requirement 3: Describing and evaluating questions beyond the bench</h4>
+       <h3>
+The primary goal of UMN iGEM 2014 has been to design a project in line with the major safety, ethics, and intellectual property concerns of both scientists and the public. We took the following steps to address each of these issues:<br><br>
-			</li>
-			<li>
-<br><h5> Gold </h5>
-<img id="attImg" src="https://static.igem.org/mediawiki/2014/thumb/6/60/Cbs.png/800px-Cbs.png"  height=20% width=20%>
-<img id="attImg" src="https://static.igem.org/mediawiki/2014/d/d7/Cse_logo.gif"  height=20% width=20%>
-<img id="attImg" src="https://static.igem.org/mediawiki/2014/thumb/1/1a/Cargill_black_2c_copy.png/800px-Cargill_black_2c_copy.png" height=20% width=20%>
-			</li>
+<b>Safety</b>: Our project gives detailed attention to the prevention of releasing genetically modified bacteria into the environment via encapsulation and the development of several killswitch proposals. The device also includes an activated carbon filter to both collect mercury and prevent release of the bacteria. During an outreach event at 3M we also discussed this filtration element of our device with one of their filtration experts to further inform our safety measures.<br><br>
-			<li>
-<br><h5> Silver </h5>
-<img id="attImg" src="https://static.igem.org/mediawiki/2014/thumb/4/43/Sua_logo.png/800px-Sua_logo.png" height=20% width=20%>
-<img id="attImg" src="https://static.igem.org/mediawiki/2014/8/88/2000px-Coca-Cola_logo.svg.png"height=20% width=20%>
-<img id="attImg" src="https://static.igem.org/mediawiki/2014/6/60/Navy-Research-Office-logo-150dpi.png" height=20% width=20%>
-<img id="attImg" src="https://static.igem.org/mediawiki/2014/archive/7/75/20141013224904%213M_Logo_CMYK.png" height=20% width=20%>
+<b>Ethics</b>: We have been committed to establishing an open and productive dialogue between UMN iGEM and the public. Our surveying at the State Fair of public opinion on safety and implementation concerns of our device helped to inform our design. We believe there is great ethical importance to involving the community in the design of a device that could potentially be used on their waters. We also developed an interactive game show at the fair to actively engage the public in synthetic biology knowledge. Our dialogue with the public has also included our outreach program at local schools, the Science Museum of Minnesota, and various STEM fairs allowing us to develop a dynamic dialogue with both children and their parents. The program focuses on the understanding of DNA in order to demystify the basic principles behind synthetic biology. It is our hope that a more solid understanding of these principles may help to familiarize children with biotechnological tools and decrease misconceptions about the nature of DNA manipulation. We hope this may help to develop an informed future community of consumers and constituents to facilitate open dialogues between scientists and the public. Finally, we interviewed various experts in bioethics and scientific fields related to our project to help further inform ourselves and give essential background to those unfamiliar with the global issue of mercury contamination.<br><br>
-<img id="attImg" src="https://static.igem.org/mediawiki/2014/0/01/IDT-logo.png" height=20% width=20%>
-<img id="attImg" src="https://static.igem.org/mediawiki/2014/a/a6/Neb-logo.png" height=20% width=20%>
-                        </li>
-		</ul>
-<br><br><br><br><br><br>
-        <div>
-	</div>
+<b>Intellectual Property</b>: We sought to create an integrative and marketable project by developing a business plan along with marketing analysis for our device. We also educated ourselves about the patenting process via on campus seminars. Finally, we applied for a patent to protect the intellectual property of our team in order to help protect us during any future implementation of the developed business plan.<br><br>
+</h3>
+      </div>
+</div>
+<div class="section" id="section8" data-anchor="Medal">
+              <div id="title">
+			<h4>Sponsors</h4><br><br>
+		</div>
+<img src="https://static.igem.org/mediawiki/2014/thumb/8/82/Sponsors2.png/800px-Sponsors2.png" width=65% height=65%>
 </div>

Team:Minnesota/Templates

From 2014.igem.org

Latest revision as of 02:10, 18 October 2014

Minnesota iGEM 2014

Project

Mercury Bioremediation

Fig 1 illustrating the relative positions of Mer proteins within the cell, modified mer operon. click the individual genes to read more about our parts, click here to read more about our composite mer operon part

Biobrick Assembly

edit legend here

Heavy Metal Bioprecipitation

Click the operon to be linked to the phsABC part page!

Biobrick Assembly

Modified construct containing “phsABC”. The phsABC operon was amplified from the pSB74 plasmid and inserted into pSB1C3 (shipping vector) and the pBBRBB plasmid (for characterization) with the novel addition of a constitutive promoter.

Biosafety

In response to our survey results showing that there was some concern about the bacteria escaping the device, we have designed two kill switches to address this concern and highlighted their advantages and disadvantages. Click either of the pictures below to view more information on each proposal.

Kill Switch 1

Kill Switch 2

Mercury Ion Test Results (I)

Fig Zones of Inhibition Test For Mercury Resistance.

In this assay, Escherichia coli K12 expressing three different constructs were spread on agar plates to compare levels of mercury resistance. Each agar plate contained a filter disk spotted with 10µL of 0.1M HgCl2 in the middle. ++++++

Mercury Ion Test Results (II)

Fig Zones of Inhibition Test For Mercury Resistance.

Methylmercury Results

Fig .

Methylmercury Results (II)

Encapsulation

Title1

Yoloswag

Encapsulation Procedure

The Biochemical Network

Mathematical Modeling

Sensitivity Analysis

Device Design

Scalability

Meet The Team

Policies & Practices

Educational Outreach

Public Perception

Intellectual Property

Basem and Patrick meet with patent attorneys at the Office for Technology Commercialization

Kill Switch 1

Kill Switch 2

Documentary

Safety in the Lab

Our Training DEHS Introduction: Research Safety DEHS Chemical Safety DEHS Waste Management

Safety in the Lab

Safety in the Lab

Attributions

Gold Medal Requirements

UMN iGEM has strived to produce Gold Medal level work through the duration of our project. Here we outline our work that specifically pertains to each of the gold medal requirements. Scroll to the right to see how we met each requirement!

Requirement 1: Improving function or characterization of an existing part

Requirement 2: Collaborations with other teams

Requirement 3: Describing and evaluating questions beyond the bench

Sponsors

Fig 1 illustrating the relative positions of Mer proteins within the cell, modified mer operon.
click the individual genes to read more about our parts, click here to read more about our composite mer operon part

Our Training
DEHS Introduction: Research Safety
DEHS Chemical Safety
DEHS Waste Management