eosin


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Related to eosin: Eosin Y

eosin

[′ē·ə·sən]
(organic chemistry)
C20H8O5Br4
A red fluorescent dye in the form of triclinic crystals that are insoluble in water; used chiefly in cosmetics and as a toner. Also known as bromeosin; bromo acid; eosine; tetrabromofluorescein.
The red to brown crystalline sodium or potassium salt of this dye; used in organic pigments, as a biological stain, and in pharmaceuticals.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The fixed section was made in paraffin for hematoxylin and eosin staining techniques.
In the assays with bromophenol blue, the long tailing phenomenon is less evident because is released faster than eosin Y, which probably remains adsorbed in the support medium, being discharged slowly in the effluent of the reactor.
A: On hematoxylin and eosin staining the pleomorphic adenoma contains islands of hyaline to myxoid cartilage admixed with tubules, glands, and cords composed of uniform epithelial cells (original magnification x4).
During the analysis of the histological structure of the blastema tissue following the Hematoxylin & Eosin staining, tissue disruption and loss of cellular integrity are observed for the samples fixed with NBF (Fig.
Under acidic conditions, the dye eosin Y is precipitated, producing dark coloured colonies usually with a green metallic sheen due to the formation of an amide bond between eosin Y and methylene blue in the medium (15,9).
Keeping in view the identical photochemical properties of organic dyes and transition metal complexes in various synthetic transformations [20], the present studies describes the photocatalytic efficiency of ruthenium tris-(bipyridine) chloride and eosin Y for the facile construction of C-C and C-S bonds employing the N-aryl tetrahydroisoquinolines as the target substrates.
bancrofti along with benign squamous cells and inflammatory cells in pap smear (Hematoxylin- Eosin, X 40)
officinale, while the remainder were stained with alum hematoxylin (Harris hematoxylin) and counterstained with eosin, which served as the control.
The fluorescence of trypaflavine, eosin Y, and pyrene was measured within the spectral range of 475-575, 520-580, and 350-450 nm, respectively; the wavelength setting accuracy was 1 nm.
In order to study the photocatalytic activities of ZnO nanostructures with different dye molecules, the photocatalytic degradation experiments of MO, eosin red, and CR were conducted.
We used proton nuclear magnetic resonance ([sup.1]H-NMR) to investigate the intermolecular interaction between the sensor, eosin Y, and the analyte, caffeine.