User:Michael F. Nagle/Notebook/Chem 571/2012/11/28: Difference between revisions
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|style="background-color: #EEE"|[[Image:owwnotebook_icon.png|128px]]<span style="font-size:22px;"> Project name</span> | |style="background-color: #EEE"|[[Image:owwnotebook_icon.png|128px]]<span style="font-size:22px;"> Project name</span> | ||
|style="background-color: #F2F2F2" align="center"| | |style="background-color: #F2F2F2" align="center"|[[File:Report.png|frameless|link={{#sub:{{FULLPAGENAME}}|0|-11}}]][[{{#sub:{{FULLPAGENAME}}|0|-11}}|Main project page]]<br />{{#if:{{#lnpreventry:{{FULLPAGENAME}}}}|[[File:Resultset_previous.png|frameless|link={{#lnpreventry:{{FULLPAGENAME}}}}]][[{{#lnpreventry:{{FULLPAGENAME}}}}{{!}}Previous entry]] }}{{#if:{{#lnnextentry:{{FULLPAGENAME}}}}|[[{{#lnnextentry:{{FULLPAGENAME}}}}{{!}}Next entry]][[File:Resultset_next.png|frameless|link={{#lnnextentry:{{FULLPAGENAME}}}}]]}} | ||
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== | ==Objectives== | ||
* | *Analyze post-dialysis 25-200 [Au/ADA] solutions with UV/Vis | ||
*Prepare new solutions at narrower mole ratio range that includes optimal range for dissolution of AuNPs. | |||
==Procedure== | |||
*Au/ADA solutions prepared [[User:Michael_F._Nagle/Notebook/Chem_571/2012/11/27|yesterday]] were analyzed via UV/Vis. | |||
*A new set of solutions was prepared at mole ratios 6.7, 10, 13.3, 16.7, 20, 23.3, 26.7, 30, 33.3, 36.7 and 40 [Au/ADA] and heated at 85<sup>o</sup>C overnight. | |||
*[[User:Puja_Mody/Notebook/Chem_571:_Gold_Nanoparticles/2012/11/28|Puja Mody and Mary Mendoza]] resuspended Au/ADA fibers with varying concentrations of pH 9.99 tris buffer. | |||
==Data== | |||
[[Image:Postdialysis.jpg]] | |||
==Discussion== | |||
*The 25 [Au/ADA] solution was purple, indicating AuNPs in solution, so we were suprised not to see a peak at 528nm. It may be due to experimental error or may have something to do with the fact a Shimadzu UV-1800 was used instead of a UV-2550 like usual. | |||
*The other group saw peaks at the start of their range, which went from 60-160. | |||
*Since the other group saw small peaks at the lower end of their range, with the highest at 60 [Au/ADA], and we saw purple solution at 25 [Au/ADA], we decided to make a new set with mole ratios 6.7-40. | |||
Latest revision as of 22:17, 26 September 2017
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