CGP1
Glutathione Peroxidase Cellular Activity Assay Kit
Sufficient for 100 colorimetric tests
Synonym(s):
Cellular glutathione peroxidase, c-GPx
About This Item
Recommended Products
Quality Level
usage
sufficient for 100 tests
shelf life
Kit is stable for 24 months when unopened.
detection method
colorimetric
shipped in
wet ice
storage temp.
−20°C
General description
Suitability
Principle
Other Notes
Kit Components Only
- tert-Butyl hydroperoxide 1 mL
related product
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Flam. Liq. 3 - Muta. 2 - Org. Perox. F - Skin Corr. 1C - Skin Sens. 1 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
5.2 - Organic peroxides and self-reacting hazardous materials
Regulatory Information
Choose from one of the most recent versions:
Certificates of Analysis (COA)
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Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
Can Product CGP1, Glutathione Peroxidase Cellular Activity Assay Kit, be run in a 96 well plate?
Yes, but you would need to have a plate reader that has a kinetic function as this is a kinetic assay.
How should I prepare my sample for analysis with Product CGP1, Glutathione Peroxidase Cellular Activity Assay Kit?
The cells must be lysed before assaying with this kit. The best way to perform lysis is to incubate the cells with hypotonic buffer (at least 2 volumes and better with 3-4 volumes, depending on the expected level of peroxidase in these cells). Let them swell and homogenize with a Dounce homogenizer. Centrifuge the homogenate at 10,000 × g and use the supernatant for the assay. If a detergent is used for lysis, only use a peroxide-free detergent and follow the instructions in the Bulletin: "Nonionic detergents such as TWEEN and TRITON X-100 that contain high levels of endogenous peroxides will raise the apparent activity. If these detergents are vital to the extraction of the proteins of interest, a low peroxide detergent should be used such as Product Codes X-100-PC (TRITON X-100), P 6585 (TWEEN 20), or P 8192 (TWEEN 80)".
Can Product CGP1, Glutathione Peroxidase Cellular Activity Assay Kit, be used with tissue samples?
We have not tested the CGP1 assay with tissue samples. However, we suggest that the customer perform a small-scale pilot experiment using our CelLytic-MT lysis buffer (Product No. C3228). The buffer enables efficient extraction of tissue proteins. It does not contain any of the interfering agents that are listed on the kit bulletin.
What type of readings do I get with Product CGP1, Glutathione Peroxidase Cellular Activity Assay Kit?
There is a decrease in absorbance during the assay. The OD values decrease with the increase in reaction time. The slope of the reduction in OD (delta OD per minute) is the value used to determine the enzyme units.
What dilution should I use for my sample when using Product CGP1, Glutathione Peroxidase Cellular Activity Assay Kit?
In general, when human erythrocytes were assayed for the enzyme, the sample was diluted 10-fold (15 mg peroxidase per mL) and a 20 μl sample gave a decrease of 0.032 OD340 per minute. Too much enzyme will underestimate the apparent activity of the sample. When rabbit reticulocytes were assayed at a 10-fold dilution (10 mg peroxidase per mL), 20 μl gave a decrease of 0.065 OD340 per minute.
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What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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