TOX4
In Vitro Toxicology Assay Kit, Neutral Red based
Synonym(s):
NR uptake assay, Neutral red assay
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About This Item
UNSPSC Code:
12352207
NACRES:
NA.84
form
liquid
Quality Level
usage
kit sufficient for 1,000 tests
packaging
pkg of 1 kit
storage condition
dry at room temperature
λmax
540 nm
application(s)
cell analysis
detection
detection method
colorimetric
storage temp.
2-8°C
General description
For spectrophotometric measurement of viable cells. Absorbance of converted dye is measured at a wavelength of 540 nm.
Application
In Vitro Toxicology Assay Kit, Neutral Red based has been used:
- to measure the lysosomal enzyme activity in HB8902 cells
- to study the cell viability of human alveolar epithelial cells
- to study the cell viability in fibroblasts
Biochem/physiol Actions
Neutral red (NR) is a red dye that accumulates in the lysosome by actively transferring across the cell membranes. The dye is extracted and the uptake is quantitated by spectroscopy. The NR uptake assay is the most commonly used cytotoxicity test. It is widely applicable in environmental and biomedical studies to estimate the number of viable cells in culture. The NR dye in vitro tissue culture studies is used in assessing viral cytopathogenicity and detection of toxic compounds.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Carc. 1B - Flam. Liq. 3 - Skin Sens. 1
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
73.4 °F
Flash Point(C)
23 °C
Certificates of Analysis (COA)
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