User:Carly M. Montanero/Notebook/CHEM-571/2013/10/02

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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: #EEE"|[[Image:BDLlogo_notext_lr.png|128px]]<span style="font-size:22px;"> Biomaterials Design Lab: Fall 2013</span>
|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>}}
|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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==Notes==
==Notes==

Current revision

Biomaterials Design Lab: Fall 2013 Main project page
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Objective

To monitor the kinetics and yield of the horseradish peroxidase-catalyzed oxidation of luminol. These experiments will be compared to future experiments with HRP-functionalized nanoparticles. These experiments are also meant to introduce researchers to stopped-flow techniques and rapid data collection.

From Dr. Hartings

Procedure

2. Chemiluminescence of Luminol Oxidation Reaction Initiated by Stopped Flow Mixer

  1. Add 64.9 μL HRP stock, 3.31 mL luminol stock, and 6.63 mL buffer to stopped flow mixer.
  2. Add 5.00 mL hydrogen peroxide stock and 5.00 mL buffer to stopped flow mixer.
  3. Equilibrate mixer tubes with sample.
  4. Initiate mixing.
  5. Measure light produced as result of reaction, integrated over a specific time range.
  6. Integrate area under the curve.


3. Kinetics of Luminol Oxidized by Absorption Spectrum Changes in Stopped Flow Mixer

  1. Add 245.13 μL HRP stock to a volumetric flask and dilute to 10 mL with buffer.
  2. Add 1.25 mL luminol stock to a volumetric flask and dilute to 10 mL with buffer.
  3. Add 2.00 mL of diluted HRP to stock and 10.00 mL of diluted luminol to stopped flow mixer.
  4. Add 5.00 mL hydrogen peroxide stock and 5.00 mL buffer to stopped flow mixer.
  5. Equilibrate mixer tubes with sample.
  6. Initiate mixing.
  7. Using luminol and 3-aminophthalic acid spectra as endpoints, determine the kinetics of 3-aminophthalic acid synthesis.

Figures


Notes

  • The stock solution of HRP was 0.77 μM.
  • The stock solution of luminol was 1.51 mM.
  • The buffer solution was 5.1 mM Tris at pH = 8.
  • The stock solution of hydrogen peroxide was 12.8 mM.



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