Resazurin, sodium salt *CAS 62758-13-8*

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Chemical structure for Resazurin, sodium salt *CAS 62758-13-8*
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100 mg 15700 $75

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Ex/Em (nm)571/585
CAS #62758-13-8
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Category Enzyme Detection
Redox Enzymes
Related Secondary Reagents
Resazurin is a non-toxic, water-soluble and redox-sensitive dye that changes from its blue/non-fluorescent state to pink/highly-fluorescent upon reduction to resorufin by many biological processes. Resazurin added to viable cells become reduced via an as yet unknown mechanism by enzymatic or chemical reactions in cells. This feature is widely used for measuring cell proliferation, viability and cytotoxicity. Resazurin may be added at any time during the culture period. For measurement of cell proliferation, it is best to add resazurin during log phase growth. Incubation times may vary depending on the metabolic rates of the cell lines being tested. Fluorescence can be read using 544 nm/590 nm filter set. Absorbance can be read using a spectrophotometer set at 570 nm.

Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of Resazurin, sodium salt *CAS 62758-13-8* to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

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Mass Molecular weight Volume Concentration Moles
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References & Citations

A fluorometric study of relative ocular lens cytosensitivity to multipurpose contact lens solutions using the resazurin assay method
Authors: Oriowo MO.
Journal: Toxicol In Vitro (2006): 1548

A resazurin-based biosensor for organic pollutants
Authors: Tizzard AC, Bergsma JH, Lloyd-Jones G.
Journal: Biosens Bioelectron (2006): 759

Application of the resazurin microtitre assay for detection of multidrug resistance in Mycobacterium tuberculosis in Algiers
Authors: Nateche F, Martin A, Baraka S, Palomino JC, Khaled S, Portaels F.
Journal: J Med Microbiol (2006): 857

Determination of the diagnostic value of the resazurin reduction assay for evaluating boar semen by receiver operating characteristic analysis
Authors: Zrimsek P, Kosec M, Kunc J, Mrkun J.
Journal: Asian J Androl (2006): 343

Development and application of a resazurin-based biomass activity test for activated sludge plant management
Authors: McNicholl BP, McGrath JW, Quinn JP.
Journal: Water Res. (2006)

Development of resazurin microtiter assay for drug sensibility testing of Trypanosoma cruzi epimastigotes
Authors: Rolon M, Vega C, Escario JA, Gomez-Barrio A.
Journal: Parasitol Res (2006): 103

Evaluation of the resazurin microtiter assay for rapid detection of ofloxacin resistance in M. tuberculosis
Authors: Umubyeyi AN, Martin A, Zissis G, Struelens M, Karita E, Portaels F.
Journal: Int J Tuberc Lung Dis (2006): 808

Rapid susceptibility test for Mycobacterium tuberculosis to isoniazid and rifampin with resazurin method in screw-cap tubes
Authors: Coban AY, Cekic Cihan C, Bilgin K, Uzun M, Akgunes A, Cetinkaya E, Durupinar B.
Journal: J Chemother (2006): 140

Comparative evaluation of the nitrate reduction assay, the MTT test, and the resazurin microtitre assay for drug susceptibility testing of clinical isolates of Mycobacterium tuberculosis
Authors: Montoro E, Lemus D, Echemendia M, Martin A, Portaels F, Palomino JC.
Journal: J Antimicrob Chemother (2005): 500

Detection of mitochondrial respiratory dysfunction in circulating lymphocytes using resazurin
Authors: Abu-Amero KK, Bosley TM.
Journal: Arch Pathol Lab Med (2005): 1295

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