User:Michael F. Nagle/Notebook/Chem 571/2012/11/07: Difference between revisions

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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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*A UV/Vis calibration curve was obtained by analyzing the samples and plotting BSA concentration against absorbance at 595nm.
*A UV/Vis calibration curve was obtained by analyzing the samples and plotting BSA concentration against absorbance at 595nm.
*The [[User:Michael_F._Nagle/Notebook/Chem_571/2012/11/06|ADA purified yesterday]] was analyzed via UV/Vis and it's peak was compared to the linear regression of BSA's in order to determine concentration.
*The [[User:Michael_F._Nagle/Notebook/Chem_571/2012/11/06|ADA purified yesterday]], labelled Frac 9, was analyzed along with Fracs 2 and 8 purified [[User:Michael_F._Nagle/Notebook/Chem_571/2012/09/26|9/26]] via UV/Vis and it's peak was compared to the linear regression of BSA's in order to determine concentration.


==Data==
==Data==
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<br>Frac 2 was found to be 42µM, while 8 was 54.4µM and 9 was 65µM.


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Latest revision as of 22:13, 26 September 2017

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Objective

  • Determine concentration of ADA prepared Oct. 23 via Bradford Assay

Bradford Assay

  • Solutions were prepared with 715μL 1x Bio-Rad Bradford reagant and the following concentrations of BSA:
volume BSA (uL) volume H2O (uL [BSA] (mg/mL) [BSA] (M)
0 30 0 0.00E+00
5 25 0.24 3.61E-06
10 20 0.15 2.26E-06
15 15 0.13 2.01E-06
20 10 0.15 2.26E-06
25 5 0.24 3.61E-06
30 0 1 1.51E-05


  • A UV/Vis calibration curve was obtained by analyzing the samples and plotting BSA concentration against absorbance at 595nm.
  • The ADA purified yesterday, labelled Frac 9, was analyzed along with Fracs 2 and 8 purified 9/26 via UV/Vis and it's peak was compared to the linear regression of BSA's in order to determine concentration.

Data

Fraction # Absorbance [ADA] [mg/mL] molar absorptivity [mL/mg*cm-1] Molarity (µM)
2 0.93 0.0177 52.4 42.0
8 0.757 0.0115 65.9 54.4
9 0.819 0.0137 59.7 65.0


Frac 2 was found to be 42µM, while 8 was 54.4µM and 9 was 65µM.


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