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N4754

Sigma-Aldrich

Nigrosin water soluble

Powder

Sinônimo(s):

Acid black 2

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About This Item

Número CAS:
Número do índice de cores:
50420
Número MDL:
Código UNSPSC:
12171500
NACRES:
NA.47

product name

Nigrosin water soluble, For use as a biological stain

Nível de qualidade

forma

powder

solubilidade

water: 1 mg/mL, turbid

εmax

~250 at 575 nm in 50% ethanol

aplicação(ões)

diagnostic assay manufacturing
hematology
histology

temperatura de armazenamento

room temp

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Descrição geral

Nigrosin is an acidic dye used as a negative stain for visualization of the capsule in bacteriological material.

Aplicação

Nigrosin has the following applications:
  • to stain live sperm
  • as a viable cell staining agent especially in stem cell biology
  • as a negative stain in place of India ink for spirochetes, bacteria, protozoa, and fungi
  • in Dorner′s spore stain.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)


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Broadband UV-Vis optical property measurement in layered turbid media.
Wang Q
SPIE Medical Imaging. International Society for Optics and Photonics, 2014 (2011)
Experiments in Microbiology, Plant Pathology and Biotechnology (2003)
Quanzeng Wang et al.
Biomedical optics express, 3(6), 1226-1240 (2012-06-29)
The ability to accurately measure layered biological tissue optical properties (OPs) may improve understanding of spectroscopic device performance and facilitate early cancer detection. Towards these goals, we have performed theoretical and experimental evaluations of an approach for broadband measurement of
Graff's Textbook of Routine Urinalysis and Body Fluids (2010)
William M Buckett
Asian journal of andrology, 5(3), 209-212 (2003-08-26)
To determine the predictive value of the hypo-osmotic swelling (HOS) test to identify viable, non-motile sperm. Semen samples from 20 men with severe asthenozoospermia underwent traditional seminal analysis, eosin-nigrosin (EN) staining and the HOS test. A further EN stain was

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