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Merck

198285

Sigma-Aldrich

Nigrosin

certified by the Biological Stain Commission

Sinónimos:

Acid black 2, Nigrosin water soluble

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About This Item

Número de CAS:
Colour Index Number:
50420
MDL number:
UNSPSC Code:
12171500
NACRES:
NA.47

grade

certified by the Biological Stain Commission

Quality Level

form

solid

solubility

H2O: 0.1%
H2O: soluble

λmax

570 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

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Suitability

Certified for use in Dorner′s spore stain. Used as a negative stain in place of India ink for spirochetes, bacteria, protozoa and fungi.
Used as a negative stain in place of India ink for spirochetes, bacteria, protozoa and fungi.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Chris Campbell et al.
Biomedical optics express, 11(10), 5800-5813 (2020-11-06)
Hemozoin (Hz) is a crystal by-product of hemoglobin consumption by malaria parasites. There are currently no in vivo deep tissue sensing methods that can quantify Hz presence noninvasively, which would be advantageous for malaria research and treatment. In this work
Lina Hacker et al.
Journal of biomedical optics, 25(9) (2020-09-06)
Photoacoustic imaging (PAI) enables the detection of blood hemoglobin (HB) concentration and oxygenation (sO2) with high contrast and resolution. Despite the heavy use of photoacoustically determined total hemoglobin (THb) and oxygenation (sO2) biomarkers in PAI research, their relationship with underlying
Marcel Gehrung et al.
Journal of biomedical optics, 24(12), 1-11 (2019-10-19)
Photoacoustic tomography (PAT) is intrinsically sensitive to blood oxygen saturation (sO2) in vivo. However, making accurate sO2 measurements without knowledge of tissue- and instrumentation-related correction factors is extremely challenging. We have developed a low-cost flow phantom to facilitate validation of
R R Valle et al.
Theriogenology, 70(1), 115-120 (2008-05-16)
Simple, rapid and stable sperm evaluation methods which have been optimized for common marmoset (Callithrix jacchus) are critical for studies involving collection and evaluation of sperm in the field. This is particularly important for new species groups such as Callitrichidae
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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