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What (who) is eosin - definition
GROUP OF BROMO DERIVATIVES OF FLUORESCEIN USED AS RED DYE
Acid Red 87; Eosine yellowish-(ys); Eosin Y ws; Eosin yellowish; C.I. 45380; Bromoeosine; Bromofluoresceic acid; D&C Red No. 22; Eosin bluish; Acid Red 91; C.I. 45400; Saffrosine; Eosin Scarlet; ATC code D08AX02; ATCvet code QD08AX02; Bromom acid; Bromeosin; Eosine
![[[Eosin B]]](https://commons.wikimedia.org/wiki/Special:FilePath/Eosin B Structural Formulae V.1.svg?width=200 "[[Eosin B]]")
![hematoxylin and eosin (H&E)]]](https://commons.wikimedia.org/wiki/Special:FilePath/Eosinophilic, basophilic, chromophobic and amphophilic staining.png?width=200 "hematoxylin and eosin (H&E)]]")
Eosin
·noun A yellow or brownish red dyestuff obtained by the action of bromine on fluorescein, and named from the fine rose-red which it imparts to silk. It is also used for making a fine red ink. Its solution is fluorescent.
eosin
['i:?(?)s?n]
¦ noun a red fluorescent dye that is a bromine derivative of fluorescein.
Origin
C19: from Gk eos 'dawn' + -in1.
Eosin
Eosin is the name of several fluorescent acidic compounds which bind to and form salts with basic, or eosinophilic, compounds like proteins containing amino acid residues such as arginine and lysine, and stains them dark red or pink as a result of the actions of bromine on eosin. In addition to staining proteins in the cytoplasm, it can be used to stain collagen and muscle fibers for examination under the microscope.
Wikipedia
Eosin
Eosin is the name of several fluorescent acidic compounds which bind to and form salts with basic, or eosinophilic, compounds like proteins containing amino acid residues such as arginine and lysine, and stains them dark red or pink as a result of the actions of bromine on eosin. In addition to staining proteins in the cytoplasm, it can be used to stain collagen and muscle fibers for examination under the microscope. Structures that stain readily with eosin are termed eosinophilic. In the field of histology, Eosin Y is the form of eosin used most often as a histologic stain.
