MAK255
Cysteine Assay Kit (Fluorometric)
sufficient for 100 fluorometric tests
Synonym(s):
Cysteine Quantitation Kit
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About This Item
UNSPSC Code:
12161503
NACRES:
NA.84
Recommended Products
detection method
fluorometric
relevant disease(s)
cardiovascular diseases
storage temp.
−20°C
General description
Cysteine (CYS) is a non-essential, sulfur containing amino acid in humans, related to cystine. Cysteine is important for protein synthesis, detoxification, and diverse metabolic functions. It is found in beta-keratin, which comprises the main protein in nails, skin, and hair. Cysteine is also important in collagen production, as well as skin elasticity and texture. A component of the antioxidant, glutathione, cysteine plays a role in the metabolism of essential biochemicals such as coenzyme A, heparin, and biotin. An elevated level of total cysteine can predict cardiovascular disease and metabolic syndromes. Cysteine deficiency is known to be one of the consequences of aging.
Features and Benefits
Compatible with high-throughput handling systems.
Suitability
Suitable for the detection of cysteine in serum, plasma, and other biological fluids.
Principle
The Cysteine Assay Kit detects the physiological concentration of cysteine in a variety of biological fluids. The assay is based on the cleavage of thiol group of reduced cysteine generating a fluorometric product (ex = 365 nm/ em = 450 nm), directly proportional to the amount of total cysteine in the sample. The assay is specific and other thiol-based amino acids do not interfere with the assay. This high-throughput adaptable assay kit is simple and sensitive enough to detect to 10 µM of cysteine in a variety of samples.
Storage Class
10 - Combustible liquids
flash_point_f
188.6 °F - closed cup
flash_point_c
87 °C - closed cup
Certificates of Analysis (COA)
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Oxidative stress and ageing: is ageing a cysteine deficiency syndrome?
Droge W.
Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 360(1464), 2355-2372 (2005)
Virender Kumar Pal et al.
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