rose bengal


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rose ben·gal

(rōz' ben'găl), [C.I. 45440]
The sodium salt of tetraiodotetra-chlorfluorescein, used as a stain for bacteria, as a stain in the diagnosis of keratitis sicca, and formerly in liver function tests.

rose ben·gal

(rōz' beng'găl)
[C.I. 45440] A fluorescein derivative used as a biologic stain.

rose bengal

A biological stain that can be applied to the cornea as eye drops to reveal subtle damage to the outer layer (epithelium). A brand name is Minims Rose Bengal.

rose bengal 

An iodine derivative of fluorescein having vital staining properties but unlike fluorescein it is a true histological stain, which binds strongly and selectively to cellular components. The colour of this stain is red. It has the disadvantage of causing some pain in a good percentage of eyes. It stains dead or degenerated epithelial cells but not normal cells and is used to help in the diagnosis of corneal abrasion, keratitis, keratoconjunctivitis sicca, lagophthalmos, etc. See fluorescein; lissamine green.

rose bengal

a fluorescein compound used as a pink dye, in a liver function test, and as a coloring agent in feed. It is also used in the eye to stain necrotic tissue and devitalized cells of the cornea in keratitoconjunctivitis sicca. Animals injected with the dye are temporarily photosensitive.

rose bengal test
an oldfashioned field plate test for brucellosis in serum. The dye was used to mark the antigen and make its clumping visible. Suitable only as a screening test.
References in periodicals archive ?
synoviae by Rose Bengal Dye: The 1% PCV antigen was again pelleted by centrifugation.
Eric Wachter, CTO of Provectus, stated, The allowance of the European patent and the issuance of its Japanese equivalent further the protection of our novel synthesis process for the manufacture of Rose Bengal.
The sera were tested by rose Bengal test (RBT), slow agglutination test (SAT) and indirect enzyme linked immunosorbent assay (I-ELISA) and the results are shown in Table 2 and 3.
The skin also temporarily turned red because of the color of the Rose Bengal dye.
The most recent inclusions in Lab M's range of more than 20 yeast and mould products are Dichloran Rose Bengal Chloramphenicol Agar (ISO) and Dichloran 18% Glycerol Agar (ISO).
Hastalarin tamaminda Rose Bengal testi, Brusella aglutinasyon testi, 2 Merkapta Etanol ve Coombs'lu aglutinasyon testi serumda pozitif olarak bulundu.
For yeasts and molds, the Dichloran Rose Bengal Chloramphenicol Agar (ISO) and Dichloran 18% Glycerol Agar (ISO) comply fully with ISO standards relating to the enumeration of yeasts and molds in food and animal feeding stuff.
While rose bengal stain has long been used for this purpose, it's quite painful for patients with Sjogren's syndrome; lissamine green stain is a much better option, he continued.
Light exposure commenced 90 sec after the end of Rose Bengal infusion and lasted for 15 min.