User:Mary Mendoza/Notebook/CHEM 571 Experimental Biological Chemistry I/2012/11/28
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Current revision (22:49, 9 December 2012) (view source) (→UV-vis scans of Au/ADA solutions) |
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| - | == | + | ==UV-vis scans of Au/ADA solutions== |
| - | * | + | * The mole ratios measured were 25, 50, 75, 100, 125, 150, 175, and 200. These solutions were made from 8.24 mM HAuCl<sub>4</sub> and 54 μM ADA stocks. The solutions were made on [[Michael F. Nagle/Notebook/Chem 571/2012/11/14|11/14/12]]. |
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| + | [[Image:AuADA.png]] | ||
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| + | [[Image:AuADAclose.png]] | ||
| + | * focused view at wavelength 400-600 nm | ||
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| + | * It is uncertain whether there are Au/ADA nanoparticles formed from the UV-vis scan. There is a small peak seen at mole ratio 50 and 125. However, this is inconclusive. | ||
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| + | * Most of the samples contained fibers. The fibers were resuspended with 1 M Tris buffer pH 9.99. 2 mL of the buffer was added to each sample. UV-vis was taken for each re-suspended sample. | ||
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| + | [[Image:Trisresuspauada.png]] | ||
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| + | [[Image:Trisc.png]] | ||
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| + | * There is a significant peak at the range of 520-550 nm. This can be the presence of gold nanoparticles being released from the BSA fibers. | ||
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UV-vis scans of Au/ADA solutions
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