eosin

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Related to eosine: methylene blue, Betadine

eosin

 [e´o-sin]
any of a class of rose-colored stains or dyes, all being bromine derivatives of fluorescein; eosin Y, the sodium salt of tetrabromofluorescein, is much used in histologic and laboratory procedures.

e·o·sin

(ē'ō-sin),
A derivative of fluorescein used as a fluorescent acid dye for cytoplasmic stains and counterstains in histology and in Romanowsky-type blood stains.
[G. ēōs, dawn]

eosin

/eo·sin/ (e´o-sin) any of a class of rose-colored stains or dyes, all being bromine derivatives of fluorescein; eosin Y, the sodium salt of tetrabromofluorescein, is much used in histologic and laboratory procedures.

eosin

(ē′ə-sən)
n.
1. A yellowish-red crystalline powder, C20H8 Br4O5, used in textile dyeing and ink manufacturing, as a biological stain, and in coloring gasoline.
2. Any of a group of red fluorescent bromine derivatives of fluorescein, or their sodium or potassium salts, used in ink manufacturing, textile dyeing, and in biology to stain cells.

eosin

[ē′əsin]
a group of red acidic xanthine dyes often used in combination with a blue-purple basic dye such as hematoxylin to stain tissue slides in the laboratory.

e·o·sin

(ē'ō-sin)
A fluorescent acid dye used for cytoplasmic stains and counterstains in histology and in Romanowsky-type blood stains.
[G. ēōs, dawn]

eosin

A red dye commonly used to stain bacteria or tissue slices, for microscopic examination.

eosin

a rose-pink fluorescent dye, the soluble potassium salt being used in microscopic staining.

eosin

acid dyes used in histological preparations

e·o·sin

(ē'ō-sin)
Fluorescent acid dye used for cytoplasmic stains and counterstains in histology.
[G. ēōs, dawn]

eosin (e´osin),

n one of a pair of dyes used to color tissue samples to augment visibility under a microscope. The dyes are rose-colored, causing the cytoplasm to appear pink.

eosin

any of a class of rose-colored stains or dyes, all being bromine derivatives of fluorescein; eosin Y, the sodium salt of tetrabromofluorescein, is much used in histological and laboratory procedures. See also hematoxylin and eosin stain.
References in periodicals archive ?
Tissues were prepared following the technique of hematoxiline and eosine (Castro & Wourms 1993); this technique was carried out in the Invertebrates Laboratory at CICIMAR.
For confirmation positive tubes were streaked to Eosine Methylene Blue (EMB) plates.
This family originated in the south Himalayan region of Indian subcontinent some 50 million years ago, during the early Eosine epoch (Bohme, 2004).
coli were analyzed us ing Eosine Methylene Blue (EMB) agar plates and Lactose broth with Durham tube [19].
Sections (~5-6 [micro]m) were mounted on glass slides and stained with Harris hematoxylin and eosine Y/floxine B procedure.
The tissue specimens were placed in paraffin blocks, sectioned at 5 [mu]m, and stained with hematoxylene & eosine.
After the laboratory processing, semi-seriated 6mm cuts stained with haematoxyline and eosine were performed.
At the 20th, the animals were sacrificed and the fetuses were fixed in Alfac solution, included in paraffin, sectioned and stained with haematoxyline and eosine.