User:Mary Mendoza/Notebook/CHEM 571 Experimental Biological Chemistry I/2012/11/28: Difference between revisions
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==UV-vis scans of Au/ADA solutions== | ==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]]. | ||
[[Image:AuADA.png]] | |||
[[Image:AuADAclose.png]] | |||
* focused view at wavelength 400-600 nm | |||
* 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. | |||
* 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. | |||
[[Image:Trisresuspauada.png]] | |||
[[Image:Trisc.png]] | |||
* 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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