eosin

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Related to eosine: methylene blue, Betadine

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.
References in periodicals archive ?
The dye detector retrieved at the pipe seven days later tested positive for fluorescein, as well as the eosine used in one of the previous tracing attempts.
001 ml calibrated loop on to a BA and an eosine methylene blue agar (EMB) as selective medium for Gram-negatives [19].
Smears were air dried and wet fixed and stained with hematoxyline and eosine, Giemsa and Z-N stain for AFB.
The gram negative Escherichia coli was identified on the basis of its growth characteristics on MacConky agar, Eosine Methylene Blue agar and finally confirmed by biochemical tests viz Enterobacteriacae kit (Hi-Media).
The blood cultures which gave positive growth were gram stained and planted in 5% sheep blood agar, eosine methylene blue (EMB) agar, chocolate agar and Sabouraud dextrose-agar (SDA) media.
coli were characterized by growing on Eosine Methylene Blue (EMB) agar.
Table 4--Stain Resistance of Cured Coatings (a) Stain Formulation A Formulation B Formulation C Resistance Emulsion Reference Reference Test Water-based Solvent-based UV-PUD RC Oligomer #1 Black shoe 5 5 5 polish #2 Tar 5 5 5 #3 Black marker 5 5 5 (Artline[R] 70 N) #4 Blue 5 5 5 colorant ( BB750 H20) #5 Sudan red 5 5 5 colorant ( SR380-WS) #6 Yellow 5 5 5 colorant ( SG146-WS) #7 Eosine 5 5 5 #8 4.
coli was streaked onto eosine methylene blue (EMB) agar and then incubated overnight at 37[degrees]C.