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Cell Counting Kit-8

Cat. No. 7368 提交评论 说明书 / 分析证书（CoA） / 化学品安全技术说明书（SDS）
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说明： Cell viability and proliferation assay test solution
别名： CCK-8,WST-8
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生物活性 for Cell Counting Kit-8

Cell Counting Kit-8 is a viability and proliferation assay test solution. It is a supplied as a ready-to-use 1-bottle solution (5 mL; 500 tests) and enables the colorimetric determination of the number of viable cells in cell proliferation and cytotoxicity assays. Cell Counting Kit-8 utilizes a highly water-soluble tetrazolium salt (WST-8), which is reduced by cellular dehydrogenases to an orange formazan dye. The color change can be detected in the 430 - 490 nm range and Cell Counting Kit-8 exhibits improved sensitivity compared with other tetrazolium salt-based assays such as MTT, XTT or MTS. Can also be used in the detection of superoxide.

For more information on how to use Cell Counting Kit-8, please see our protocol.

Scientific Data

Cell Number Determination View Larger

Cell Number Determination. HeLa cells 1x104 cells/well in MEM were incubated overnight (37°C, 5% CO2) in clear 96-well plates. 10 μL Cell Counting Kit-8 or 10 μL MTT (Catalog # 5224) was added and incubated for a further 90 mins. The absorbance was measured at 450 nm or 570 nm, higher sensitivity was achieved via the Cell Counting Kit-8 assay.

Cytotoxicity Assay View Larger

Cytotoxicity Assay. HeLa cells 1x104 cells/well in MEM were incubated overnight (37°C, 5% CO2) in clear 96-well plates with staurosporine (Catalog # 1285). 10 μL Cell Counting Kit-8 or 10 μL MTT (Cat. No. 5224) was added and incubated for a further 90 mins. The absorbance was measured at 450 nm or 570 nm, higher sensitivity was achieved via the Cell Counting Kit-8 assay.

技术数据 for Cell Counting Kit-8

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上方提供的技术数据仅供参考。批次相关数据请参见分析证书。

Tocris products are intended for laboratory research use only, unless stated otherwise.

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参考文献 for Cell Counting Kit-8

参考文献是支持产品生物活性的出版物。

Ishiyama et al (1997) A highly water-soluble disulfonated tetrazolium salt as a chromogenic indicator for NADH as well as cell viability. Talanta 44 1299 PMID: 18966866

Tominaga et al (1999) A water-soluble tetrazolium salt useful for colorimetric cell viability assay. Anal.Commun. 36 47

Zhu et al (2020) Comparison of three analytical methods for superoxide produced by activated immune cells. J.Pharmacol.Toxicol.Methods 101 106637 PMID: 31678429

If you know of a relevant reference for Cell Counting Kit-8, please let us know.

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Cell Counting Kit-8 实验方案

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