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GSH/GSSG assay kit product blog

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Posted on 2016-09-10 16:55:33 by mybiosource_staff
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Tags: Assay Kit; GSH/GSSG; GSH/GSSG assay kit;
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The GSH/GSSG n/a (Catalog #MBS480442) is an Assay Kit and is intended for research purposes only. The product is available for immediate purchase.

To buy or view more detailed product information and pricing, please click on the technical datasheet page below:


(Or you can also download the PDF Manual for complete product instructions).

Principle of the Assay: The low concentration of GSSG (high GSH/GSSG ratio) in tissues coupled with the need to prevent GSH oxidation during sample preparation, are important considerations for the accurate measurement of GSSG and GSH/GSSG ratios. Guntherberg and Rost (2) first reported the use of N-ethylmaleimide (NEM) reacting with GSH to form a stable complex, therefore removing the GSH prior to the quantification of GSSG in tissues. Unfortunately, NEM inhibits GR. To overcome this problem, Griffith (3) employed 2-vinylpyridine (2-VP) to derivatize GSH. Although 2-VP does not significantly inhibit GR, it reacts relatively slowly with GSH and is not very soluble in aqueous solutions. Scavenging of Free Thiols: This assay employs a pyridine derivative as a thiol-scavenging reagent thereby overcoming the shortfalls of both prior methods. At the concentration employed in the assay, this derivative reacts quickly with GSH but does not interfere with the GR activity.

GSH/GSSG n/a

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