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β-lactamases are a large family of enzymes capable of hydrolysing β-lactams.

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Our Amplite® Fluorometric 20S Proteasome Assay Kit is a homogeneous fluorescent assay that measures the chymotrypsin-like protease activity associated with the proteasome complex either in cultured cells or cell lysates.

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Peroxidase is a small molecule (MW ~40 KD) that can usually be conjugated to an antibody in a 4:1 ratio.

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Caspases play important roles in apoptosis and cell signaling.

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Lactic acid is chiral and has two optical isomers: L-lactic acid and D-lactic acid.

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Glutamic acid is one of the 20 proteinogenic amino acids.

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Lactate dehydrogenase (LDH) is an oxidoreductase enzyme that catalyses the interconversion of pyruvate and lactate.

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Amplite® Red is a sensitive fluorogenic peroxidase substrate that generates a highly red fluorescent product that has maximum absorption of 571 nm and maximum emission of 585 nm.

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Melanins have very diverse roles and functions in various organisms.

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Peroxidase is a small molecule (MW ~40 KD) that can usually be conjugated to an antibody in a 4:1 ratio.

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Reactive oxygen species (ROS) are essential in cell signaling and maintaining physiological cell metabolism.

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Lactate dehydrogenase (LDH) is an oxidoreductase enzyme that catalyses the interconversion of pyruvate and lactate.

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Renin is an enzyme that participates in the body's renin-angiotensin system (RAS) that mediates extracellular volume and arterial vasoconstriction.

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Nitroreductases (NTR) are a family of evolutionarily related proteins involved in the reduction of nitrogen-containing compounds.

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Designed for consistent and dependable results. The Amplite® colorimetric lipase activity assay kit offers a straightforward and efficient protocol for quantifying lipase activity.

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The ability to rapidly perform quantitative measurements of ethanol is highly desirable in life science research, clinical evaluations, and food and drug industries.

Supplier: G-Biosciences

PEROXsay™ is a colorimetric quantitative peroxide assay that measures the oxidation of ferrous (Fe²⁺+) ions to ferric (Fe³⁺) ions. Peroxides react with a sugar alcohol converting it to a peroxyl radical that subsequently starts the oxidation of ferrous ions to ferric ions. The acidic pH of the assay allows the ferric (Fe³⁺) ion to complex with the colorimetric reagent, resulting in a change in absorbance that is proportional to the peroxide concentration.

Supplier: AAT BIOQUEST

The Amplite® Universal Kinase Assay Kit is based on the monitoring of ADP formation, which is directly proportional to enzyme phoshphotransferase activity and is measured fluorimetricaly. This kit provides a fast, simple, and homogeneous assay for measure kinases activities. The characteristics of its high sensitivity (<0.2 uM ADP), broad ATP tolerance (1-300 uM), non-antibody based, non-radioactive and no-wash method to detect the amount of ADP produced as a result of enzyme activity make it an ideal kit for determining kinase Michaelis-Menten kinetics and for screening and identifying kinase inhibitors. The assay can be performed in a convenient 96-well or 384-well microtiter-plate format and easily adapted to automation with no separation steps required.

Supplier: AAT BIOQUEST

Alpha-ketoglutarate (α-ketoglutarate) is a key molecule in the Krebs cycle determining the overall rate of the citric acid cycle of the organism.

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Glutathione peroxidase is an enzyme family with peroxidase activity to protect the organism from oxidative damage.

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Lactic acid is chiral and has two optical isomers: L-lactic acid and D-lactic acid.

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Tyrosinase is of great interest to drug discovery, life science research, food industry and cosmetics industry since it plays an important role in the biosynthetic pathway of melanin.

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Neuraminidases, also called sialidases, are glycoside hydrolase enzymes that catalyze the hydrolysis of terminal sialic acid residues and neuraminic acid.

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Enterokinase (also called enteropeptidase) is a serine protease produced by cells in the duodenal wall and is a key enzyme in human and animal digestion system.

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Lysyl oxidase (LOX) is an extracellular enzyme that catalyses formation of aldehydes from lysine residues in collagen and elastin precursors.

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Alkaline phosphatase is a highly sensitive enzyme for ELISA, immuno-histochemical, Northern, Southern and Western blot applications.

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The matrix metalloproteinases (MMPs) constitute a family of zinc-dependent endopeptidases that function within the extracellular matrix.

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L-Ascorbic Acid (also called Vitamin C) is a critical metabolite for both plant and animals in cell division, growth and defense.

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Glucose, a monosaccharide, is the most important carbohydrate in biology.

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The formation, reactivity and toxicity of aldehydes originating from the peroxidation of lipids of cellular membranes have received great attention in recent years.