User:Madeleine Y. Bee/Notebook/CHEM-571 2013F/2013/10/02: Difference between revisions

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===Objective===
===Objective===
#Chemiluminescence of luminol oxidation reaction initiated by stopped flow mixer
#[REDO] Kinetics of luminol oxidized by changes in absorption spectrum in stopped flow mixer
===Description===
<u>Chemiluminescence</u>
<u>Chemiluminescence</u>
*Tube 1 (10mL): 0.5mM luminol, 5nM HRP
*Tube 1 (10mL): 0.5mM luminol, 5nM HRP
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*Determine appropriate concentrations of reagents (HRP needs to be 10000x less concentrated than luminol, to slow reaction rate)  
*Determine appropriate concentrations of reagents (HRP needs to be 10000x less concentrated than luminol, to slow reaction rate)  
*Double concentrations to increase absorbance, to monitor bigger changes
*Double concentrations to increase absorbance, to monitor bigger changes
===Description===
#


===Data===
===Data===
*
<u>Kinetics: HAT Group's Data from 10/01/2013</u><br.>
[[Image:2013_1001_HAT_kinetics_abs.PNG]]<br.>


===Notes===
===Notes===
 
*Concentrations used yesterday were too low. Dr Hartings & HAT group used higher concentrations which yielded the oxidized luminol kinetics absorption spectra shown above.
*HRP must be contaiminated: no groups seeing any signal from a variety of concentrations. Dr Hartings will make new HRP solution.




Revision as of 12:06, 2 October 2013

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October 2, 2013

Objective

  1. Chemiluminescence of luminol oxidation reaction initiated by stopped flow mixer
  2. [REDO] Kinetics of luminol oxidized by changes in absorption spectrum in stopped flow mixer

Description

Chemiluminescence

  • Tube 1 (10mL): 0.5mM luminol, 5nM HRP
  • Tube 2 (10mL): 5mM H2O2 (from stock 12.8mM)

Redo Kinetics

  • Determine appropriate concentrations of reagents (HRP needs to be 10000x less concentrated than luminol, to slow reaction rate)
  • Double concentrations to increase absorbance, to monitor bigger changes

Data

Kinetics: HAT Group's Data from 10/01/2013<br.> <br.>

Notes

  • Concentrations used yesterday were too low. Dr Hartings & HAT group used higher concentrations which yielded the oxidized luminol kinetics absorption spectra shown above.
  • HRP must be contaiminated: no groups seeing any signal from a variety of concentrations. Dr Hartings will make new HRP solution.





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