Trypan Blue

Trypan Blue is a diazo dye supplied as a dark blue powder or solution. It is widely used in cell biology and microbiology for assessing cell viability and membrane integrity.

In laboratory applications, Trypan Blue is commonly used in the Trypan Blue exclusion assay, where viable cells exclude the dye while dead or damaged cells take it up and appear blue under a microscope. This allows researchers to quickly and reliably quantify live versus dead cells in culture or suspension samples.

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