N4754
Nigrosin water soluble
Powder
Synonym(s):
Acid black 2
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About This Item
CAS Number:
Colour Index Number:
50420
MDL number:
UNSPSC Code:
12171500
NACRES:
NA.47
product name
Nigrosin water soluble, For use as a biological stain
Quality Level
form
powder
solubility
water: 1 mg/mL, turbid
εmax
~250 at 575 nm in 50% ethanol
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
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General description
Nigrosin is an acidic dye used as a negative stain for visualization of the capsule in bacteriological material.
Application
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.
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Experiments in Microbiology, Plant Pathology and Biotechnology (2003)
Broadband UV-Vis optical property measurement in layered turbid media.
Wang Q
SPIE Medical Imaging. International Society for Optics and Photonics, 2014 (2011)
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)
Jesse Schallek et al.
Investigative ophthalmology & visual science, 52(3), 1325-1335 (2010-11-06)
To examine the extent to which neurovascular coupling contributes to stimulus-evoked intrinsic signals in the retina. The retinas of five adult cats were examined in vivo. Animals were anesthetized and paralyzed for imaging stability. The retinas were imaged through a
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