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Specifications
- Description:CytoTox 96 Non-Radioactive Cytotoxicity Assay, 1,000 assays
- Size:1,000 assays
- Storage Conditions:Store Substrate Mix and Assay Buffer at –20°C. Store LDH Positive Control, Lysis Solution (10X), and Stop Solution at 4°C.
- Storage Temperature:°COMPONENTS AT DIFFERENT TEMPS
- Cat. No.:PAG1780
- No. of assays/kit:1000
- Supplier no.:G1780
Specifications
About this item
Colorimetric assay for the determination of cell membrane integrity based on detection of LDH release, an indicator of cytotoxicity. Sample transfer steps are required.
- A Colorimetric Alternative to Radioactive Cytotoxicity Assays
- Measures release of LDH, an indicator of cytotoxicity
- Non-radioactive, time-saving assay
The CytoTox 96 Non-Radioactive Cytotoxicity Assay is a colorimetric alternative to radioactive cytotoxicity assays. The CytoTox 96 Assay quantitatively measures lactate dehydrogenase (LDH), a stable cytosolic enzyme that is released upon cell lysis, in much the same way as [(51)Cr] is released in radioactive assays. Released LDH in culture supernatants is measured with a 30-minute coupled enzymatic assay that results in the conversion of a tetrazolium salt (INT) into a red formazan product. The amount of color formed is proportional to the number of lysed cells. Visible wavelength absorbance data are collected using a standard 96-well plate reader. The assay can be used to measure membrane integrity for cell-mediated cytotoxicity assays in which a target cell is lysed by an effector cell, or to measure lysis of target cells by bacteria, viruses, proteins, chemicals, etc.