User:Michael F. Nagle/Notebook/Chem 571/2012/11/20 - Revision history

Michael F. Nagle at 12:15, 7 December 2012

2012-12-07T12:15:47Z

←Older revision		Revision as of 12:15, 7 December 2012
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	*Peaks are seen at 430nm but not 528nm, the point of interest for AuNPs. The peaks at 420nm do not change relative to the change in background. Change in background has in the past been attributed to the use of plastic, rather than quartz cuvettes.		*Peaks are seen at 430nm but not 528nm, the point of interest for AuNPs. The peaks at 420nm do not change relative to the change in background. Change in background has in the past been attributed to the use of plastic, rather than quartz cuvettes.
	*It's possible that the salt in solution is competing with the HAuCl<sub>4</sub> and preventing it's reduction. Dialyzed ADA should be analyzed.		*It's possible that the salt in solution is competing with the HAuCl<sub>4</sub> and preventing it's reduction. Dialyzed ADA should be analyzed.
		+	*As can be seen in the graph below, samples of pre-dialysis ADA analyzed by the other group did not have the peak at 430nm. This indicates that the peak was not caused by the imidazole, tris or NaCl present, and may have been caused by some other contamination or experimental error.
		+	[[Image:Otherada.jpg]]

Michael F. Nagle: /* Entry title */

2012-12-07T12:06:16Z

Entry title

←Older revision		Revision as of 12:06, 7 December 2012
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	<!-- ##### DO NOT edit above this line unless you know what you are doing. ##### -->		<!-- ##### DO NOT edit above this line unless you know what you are doing. ##### -->
-	==~~Entry title~~==	+	==Analysis of Au/ADA samples==
-	* ~~Insert content here~~...	+	* Samples prepared [[User:Michael_F._Nagle/Notebook/Chem_571/2012/11/14\|last week]] were analyzed via UV/Vis
		+	[[Image:Firstada.jpg]]
		+	==Discussion==
		+	*Peaks are seen at 430nm but not 528nm, the point of interest for AuNPs. The peaks at 420nm do not change relative to the change in background. Change in background has in the past been attributed to the use of plastic, rather than quartz cuvettes.
		+	*It's possible that the salt in solution is competing with the HAuCl<sub>4</sub> and preventing it's reduction. Dialyzed ADA should be analyzed.

Michael F. Nagle: Autocreate 2012/11/20 Entry for User:Michael_F._Nagle/Notebook/Chem_571

2012-12-07T11:17:39Z

Autocreate 2012/11/20 Entry for User:Michael_F._Nagle/Notebook/Chem_571

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