Difference between revisions of "User:Michael F. Nagle/Notebook/Chem 571/2012/09/25"

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|style="background-color: #EEE"|[[Image:owwnotebook_icon.png|128px]]<span style="font-size:22px;"> Project name</span>
 
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|style="background-color: #F2F2F2" align="center"|<html><img src="/images/9/94/Report.png" border="0" /></html> [[{{#sub:{{FULLPAGENAME}}|0|-11}}|Main project page]]<br />{{#if:{{#lnpreventry:{{FULLPAGENAME}}}}|<html><img src="/images/c/c3/Resultset_previous.png" border="0" /></html>[[{{#lnpreventry:{{FULLPAGENAME}}}}{{!}}Previous entry]]<html>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</html>}}{{#if:{{#lnnextentry:{{FULLPAGENAME}}}}|[[{{#lnnextentry:{{FULLPAGENAME}}}}{{!}}Next entry]]<html><img src="/images/5/5c/Resultset_next.png" border="0" /></html>}}
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==Procedure==
 
==Procedure==
 
*Protein extraction
 
*Protein extraction
**[[User:Mary_Mendoza|Mary Mendoza]] and [[User:Puja_Moody|Puja Moody]] extracted the protein prepared [[User:Mary_Mendoza/Notebook/CHEM_571_Experimental_Biological_Chemistry_I/2012/09/19|last week]]
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**[[User:Mary_Mendoza|Mary Mendoza]] and [[User:Puja_Moody|Puja Moody]] extracted the protein prepared [[User:Mary_Mendoza/Notebook/CHEM_571_Experimental_Biological_Chemistry_I/2012/09/19|9/19]]
*Solutions of Au/BSA at a mole ratio of 70 (at which fibers are not produced) with Tris at molarities of .05mM, .5mM, 5mM, 50mM, 100mM, 200mM, 500mM, and 1M went through two rounds each of UV/Vis.
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*Solutions of 70 [Au/BSA] prepared [[User:Michael_F._Nagle/Notebook/Chem_571/2012/09/19|9/19]] with Tris at molarities of .05mM, .5mM, 5mM, 50mM, 100mM, 200mM, 500mM, and 1M went through two rounds each of UV/Vis.
  
 
==Data==
 
==Data==

Latest revision as of 21:04, 26 September 2017

Owwnotebook icon.png Project name Report.pngMain project page
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Objectives

  • Extract ADA from E. Coli
  • Obtain two sets of UV/Vis spectra for Au/BSA solutions with varying concentrations of Tris, to see how absorbance changes over time

Procedure

  • Protein extraction
  • Solutions of 70 [Au/BSA] prepared 9/19 with Tris at molarities of .05mM, .5mM, 5mM, 50mM, 100mM, 200mM, 500mM, and 1M went through two rounds each of UV/Vis.

Data

Tris2trialsvariousmolar.JPG
Results of other group:
Team2graph.jpg

Discussion

  • Opposite trends can be seen between the two groups' trials. In ours, lower molarities of Tris resulted in higher absorbance, while the Chem-571 class last year, lower absorbance for lower molarities of Tris could be seen. Their absorbance values were also much higher. The fact that opposite trends are seen in all samples means that if this was due to error, it was a systematic error. More trials should be run.
  • No significant difference is seen between our two UV/Vis trials, except for 5mM in the second trial, which has a much higher absorbency peak. This may be due to random error.