User:Eleni N. Kalivas/Notebook/CHEM-571/2013/09/17: Difference between revisions
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==HRP Oxidation== | ==HRP Oxidation== | ||
'''HRP Oxidation Protocol''' | |||
*Run UV-vis of a blank buffer sample. | |||
*Prepare a 1mL sample of 10μM HRP in 50Tris, 50Nacl, pH=7.5 buffer. This buffer should be degassed) directly in a clean glass cuvette. | |||
*Take spectrum of the prepared 10μM HRP sample. | |||
*Add 2μL of K<sub>3</sub>[Fe(CN)<sub>6</sub>] to the prepared sample. | |||
*Take UV/vis spectrum of the sample. | |||
*Repeat steps 4-5 until complete oxidation of HRP. | |||
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Revision as of 10:39, 18 September 2013
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ObjectiveThe objective of today's lab was to determine the amount of reagent necessary to fully reduce horseradish peroxidase (HRP). HRP oxidation will be done with potassium ferricyanide K3[Fe(CN)6]. K3[Fe(CN)6], which has a reduction potential of 424mV. HRP reduction will be done with Sodium Dithionite.
HRP OxidationHRP Oxidation Protocol
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