Resorufin Blue Cell Viability Assay Kit (Fluorometric)

LifeSpan BioSciences

Resorufin Blue Cell Viability Assay Kit (Fluorometric)

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Homogeneous assay for cell viability, proliferation, cytotoxcity and high-throughput screen for anticancer agents. As low as 100 cells can be accurately quantified.

Other Application

Spectrophotometry (fluorometric) Homogeneous assay for cell viability, proliferation, cytotoxcity and high-throughput screen for anticancer agents. As low as 100 cells can be accurately quantified.

Research Use Only

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This homogeneous assay involves simply adding a single reagent, the reagent, to the cell culture and measuring the fluorescence intensity (excitation wavelength = 530 - 570 nm, emission wavelength = 590 - 620 nm) after an incubation step. The reagent, like other resazurin-based assays such as the Alamar Blue reagent, utilizes the redox dye resazurin which is not fluorescent, but upon reduction by metabolically active cells is converted into a highly fluorescent product (resorufin). Living cells can readily reduce this non-toxic reagent and the resulting increase in fluorescence intensity can be conveniently monitored using a fluorescence spectrophotometer or plate reader. Nonviable cells have no metabolic capacity and, thus, will not reduce the dye. Therefore, the fluorescence intensity observed in this assay is a true measure of the viable cells. The reagent has been optimized for maximum sensitivity, reproducibility and long shelf-life. The homogeneous cell-based assay can be performed in multi-well plates. The reagent is compatible with all culture media and with all liquid handling systems for high-throughput screening applications in 96-well and 384-well plates. Applications include cell proliferation, cytotoxicity and apoptosis.

2°C to 8°C

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