Trypan blue

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

Trypan blue is an azo dye. It is a direct dye for cotton textiles. In biosciences, it is used as a vital stain to selectively colour dead tissues or cells blue.

Excerpt from the Wikipedia article “Trypan blue”, under the CC BY-SA 4.0 license. Read the article on Wikipedia