eosin

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eosin

biochemistry

Also known as: tetrabromofluorescein

Learn about this topic in these articles:

dyes

In dye: Xanthene and related dyes
Tetrabromofluorescein, or eosin, is a red dye used for paper, inks, and cosmetics; its tetraiodo analog, erythrosine, is a red food dye (see below Food dyes).
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effect on red blood cells

In radiation: Photodynamic action
When eosin is added to a suspension of human red blood corpuscles exposed to light, the red corpuscles will break up in a process called hemolysis. Other typical photodynamic substances are rose bengal, hematoporphyrin, and phylloerythrin—all are dyes capable of fluorescence. Their toxicity manifests itself only…
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