nigrosine

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Related to Nigrosin: nigrosin stain

ni·gro·sine

(nī′grə-sēn′, -sĭn)

Any of a class of dyes, varying from blue to black, used in the manufacture of inks and for dyeing wood and textiles.

[Latin niger, nigr-, black; see nek^w-t- in Indo-European roots + -os(e) + -ine.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

nigrosine

(ˈnɪɡrəˌsiːn; -sɪn) or

nigrosin

(Dyeing) any of a class of black pigments and dyes obtained from aniline: used in inks and shoe polishes and for dyeing textiles

[C19: from Latin niger black + -ose¹ + -ine¹]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ni•gro•sine

(ˈnaɪ grəˌsin, -sɪn)

n.

any of the class of deep blue or black dyes obtained by the oxidation of aniline.

[1890–95; < Latin nigr-, s. of niger black, dark + -ose² + -ine¹]

References in periodicals archive ?

Sperm viability and morphology were evaluated by eosin-nigrosin vital staining (1 % eosin and 5 % nigrosin) using microscope (Olympus BX51) immersion oil at 100X.

Sperm Morphophysiology in Different Sections of the Rooster Reproductive Tract/Morfofisiologia Espermatica en Diferentes Secciones del Tracto Reproductivo del Gallo

Motility was determined under microscope at10x magnification, morphology and live dead ratio was assessed using eosin nigrosin stain under 40x magnification, concentration was calculated by hemocytometer, membrane integrity was examined by HOST solution.

Effect of in vitro Selenium Addition to the Semen Extender on the Spermatozoa Characteristics before and after Freezing in Kundhi Buffalo Bull and in vivo Fertility Rate

Virulence is due to oxidase, protease enzymes and carbohydrate capsule, which can be demonstrated by negative staining with 10% Nigrosin or India Ink.

CRYPTOCOCCAL MENINGITIS IN A DIAGNOSED AIDS PATIENT- A CASE REPORT

The eosin nigrosin staining technique was used to estimate live spermatozoa.

EFFECT OF DIFFERENT CONCENTRATIONS OF ASCORBIC ACID ON SEMEN QUALITY AND HATCHABILITY OF INDIGENOUS ASEEL CHICKEN

Nigrosin staining (Negative staining) was performed and then characterized as a capsule or clear layer loosely enclosing the cells under light microscopy.

Screening, isolation and identification of fresh water microalgae and factors influencing of polysaccharide production

The membrane structural integrity was assessed by staining with eosin nigrosin (E/N), for which 100 spermatozoa were counted in a 400X magnification bright field microscope.

Dinamica de la calidad seminal de Sus scrofa en el centro occidente Colombiano

The count of live spermatozoa was determined using eosin-nigrosin stain (5% (w/v) nigrosin water soluble, 0.6% (w/v) eosin yellow water soluble, and 3% sodium citrate dihydrate; filtered and pH adjusted to 7.0 by adding few drops of 0.1 M Na[H.sub.2]P[O.sub.4] or 0.1 M [Na.sub.2]HP[O.sub.4]) according to a previously described method using bright-field optics (Nikon, Eclipse 80i; magnification 1000x) [32].

Effect of addition of melatonin on the liquid storage (5[degrees]C) of mithun (Bos frontalis) semen

The count of live spermatozoa was determined using eosin-nigrosin stain 5% (w/v) nigrosin water soluble, 0.6% (w/v) eosin yellow water soluble, and 3% sodium citrate dehydrate, filtered and pH adjusted to 7.0 by adding few drops of 0.1 M Na[H.sub.2]P[O.sub.4] or 0.1 M [Na.sub.2]HP[O.sub.4] according to a previously described method [23] using bright-field optics (Nikon, Eclipse 80i; magnification 1000x).

Effect of addition of taurine on the liquid storage (5[degrees]C) of mithun (Bos frontalis) semen

"His ingenious use of nigrosin dye ensured that our shark repellent was the only product out of 24 to achieve any success in repelling sharks when tested by the US Navy in 1967.