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Team:Penn/Magnetism
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<title>University of Pennsylvania iGEM</title> | <title>University of Pennsylvania iGEM</title> | ||
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| - | <div style = "text-align: center | + | <div style = "text-align: center;"><img width="300px" src="https://static.igem.org/mediawiki/2014/c/c5/Magnetic-props-header.png"></div><br> |
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| - | <p style = "text-align: left; text-indent:0px">We attempted to explore the magnetic properties of AMB-1 as further understanding would prove AMB-1’s value as a chassis in bioremediation and other fields. We hoped to quantify the magnetic strength of AMB-1 using spin-spin relaxation time ( | + | <p style = "text-align: left; text-indent:0px"> AMB-1 is most useful for synthetic biology because of its rare capacity to align with magnetic fields.<sup>[9]</sup> We attempted to explore the magnetic properties of AMB-1 as further understanding would prove AMB-1’s value as a chassis in bioremediation and other fields. </p> |
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| + | <h3 style= "text-align: left">Relationship Between OD<sub>600</sub> and T<sub>2</sub> for AMB-1</h3> | ||
| + | <p style = "text-align: left; text-indent:0px">We hoped to quantify the magnetic strength of AMB-1 using spin-spin relaxation time (T<sub>2</sub> time) and relate it to the cell concentration (OD<sub>600</sub>). To do so, we used a magnetic NMR machine (the minispec mq60, Bruker) to measure the T<sub>2</sub> decay time of cell samples (Fig. 1). A longer T2 time indicated fewer magnetic particles, and therefore weaker magnetic properties. | ||
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| - | <h3 style= "text-align: left; font-size: 18px;"> | + | <h3 style= "text-align: left; font-size: 18px;">Figure 1:</h3> |
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<div id = "figureBox" style = "margin-left: auto; margin-right:auto; width: 700px; text-align:center;"> <img style = "width: 700px;" src = "https://static.igem.org/mediawiki/2014/d/dc/Magnetism_and_AMB-1.png"></div> | <div id = "figureBox" style = "margin-left: auto; margin-right:auto; width: 700px; text-align:center;"> <img style = "width: 700px;" src = "https://static.igem.org/mediawiki/2014/d/dc/Magnetism_and_AMB-1.png"></div> | ||
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| + | <h3 style= "text-align: left; font-size: 18px;">Results:</h3> | ||
| + | <p style = "text-align: left; text-indent:0px">Since the relationship between the inverse of T<sub>2</sub> and OD was linear, this data supports that each cell has roughly the same number of magnetosomes, and that a greater number of these magnetosomes can be correlated with stronger magnetic properties. The cell concentration and magnetic strength showed a linear relationship <b>(1/T<sub>2</sub>) =(0.002x + 0.0016)</b> with an R<sup>2</sup> = 0.704. | ||
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| + | <p>The following video of AMB-1 was taken under 1000X magnification.</p> | ||
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| + | <source src="https://static.igem.org/mediawiki/2014/8/85/Penn_2014_amb-1.mp4" type="video/mp4" /> | ||
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| + | <a href="https://2014.igem.org/Team:Penn/Microbio"><img width="80px" src="https://static.igem.org/mediawiki/2014/thumb/archive/c/ca/20141018025849%21Syn-bio-amb-1-flow-arrow.png/120px-Syn-bio-amb-1-flow-arrow.png">; | ||
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Latest revision as of 03:01, 18 October 2014
AMB-1 is most useful for synthetic biology because of its rare capacity to align with magnetic fields.[9] We attempted to explore the magnetic properties of AMB-1 as further understanding would prove AMB-1’s value as a chassis in bioremediation and other fields.
Relationship Between OD600 and T2 for AMB-1
We hoped to quantify the magnetic strength of AMB-1 using spin-spin relaxation time (T2 time) and relate it to the cell concentration (OD600). To do so, we used a magnetic NMR machine (the minispec mq60, Bruker) to measure the T2 decay time of cell samples (Fig. 1). A longer T2 time indicated fewer magnetic particles, and therefore weaker magnetic properties.
Figure 1:
Results:
Since the relationship between the inverse of T2 and OD was linear, this data supports that each cell has roughly the same number of magnetosomes, and that a greater number of these magnetosomes can be correlated with stronger magnetic properties. The cell concentration and magnetic strength showed a linear relationship (1/T2) =(0.002x + 0.0016) with an R2 = 0.704.
The following video of AMB-1 was taken under 1000X magnification.
;
