formazan การใช้

• These formazan dyes are commonly used in cell proliferation and toxicity assays like the EpiDerm and EpiSkin tests since they only stain living, metabolically active cells.
• The "'MTT assay "'is a thiazol-2-yl )-2, 5-diphenyl tetrazolium bromide to its insoluble formazan, which has a purple color.
• "' INT "'or 2-( 4-iodophenyl )-3-( 4-nitrophenyl )-5-phenyl-2 " H "-tetrazolium is a popularly used tetrazolium salt ( usually chloride ), similar to tetrazolium chloride that on reduction produces a red formazan dye that can be used for quantitative redox assays.