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Sensolyte® Cell Cytotoxicity Assay Kit-Larger size

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1 kit
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The damage of cell membrane leads to release of cytoplasmicEnzymes. The measurement of released cytoplasmic lactate dehydrogenase (LDH) is a well-accepted assay to estimate cell membrane integrity and quantify cytotoxicity. The SensoLyte® Cell Cytotoxicity Assay Kit uses resazurin as a sensitive fluorogenic indicator (Ex/Em=560 nm/590 nm upon conversion) to measure LDH activity. The assay can be performed in a mixed population of damaged and viable cells, but only measure the LDH released from damaged cells. The cytoplasmic LDH in living cells produces little signals under assay condition. There is no need of extra steps to separate living cells and supernatant. The fluorescent signal is proportional to the number of damaged cells (up to 2.5X104 cell, r2>0.95) with the detection limit reaching 100 dead cells. The kit is suitable for high throughput screening of cytotoxicity of a variety of compounds. The 384-well or 1536-well format can be used with minor modifications. The kit contains:Assay mixture, Assay buffer, Lysis solution, Stop solution, A detailed protocol Kit size: 5000 assays

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Assays & Kits

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Perrot S, et al. (2003). A new nondestructive cytometric assay based on resazurin metabolism and an organ culture model for the assessment of corneal viability. Cytometry A 55, 7-14; Byth HA, et al. (2001). Assessment of a simple, non-toxic Alamar blue cell survival assay to monitor tomato cell viability. Phytochem Anal 12, 340-6; Larson EM, et al. (1997). A new, simple, nonradioactive, nontoxic in vitro assay to monitor corneal endothelial cell viability. Invest Ophthalmol Vis Sci 38, 1929-33.