Team:Penn/Magnetism

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<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. 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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<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 OD600 and T<sub>2</sub> for AMB-1</h3>
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<h3 style= "text-align: left">Relationship Between OD<sub>600</sub> and T<sub>2</sub> for AMB-1</h3>
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<p style = "text-align: left; text-indent:0px">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.
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<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;">Results:</h3>
<h3 style= "text-align: left; font-size: 18px;">Results:</h3>
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<p style = "text-align: left; text-indent:0px">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 <b>(1/T2) =(0.002x + 0.0016)</b> with an R^2 = 0.704.
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<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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Latest revision as of 03:01, 18 October 2014

University of Pennsylvania iGEM

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.


;

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