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Food Safety and Nutrient Detection


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Cat#:
AgK-362
Product Type:
Food Safety and Nutrient Detection
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L-Arginine Assay Kit provides a quick, specific, and easy method for the measurement of total L-arginine concentrations in a wide variety of samples. In this enzyme-based assay, L-arginine is converted into a series of intermediates, which will further react with a probe producing a stable colorimetric signal (OD: 450 nm). The kit is simple to use, sensitive and high-throughput adaptable and can detect as low as 1 nmol/well of L-arginine in biological samples
Cat#:
AgK-363
Product Type:
Food Safety and Nutrient Detection
Price:
Inquiry
L-Carnitine Assay Kit is a simple convenient means of measuring free L-Carnitine in biological samples such as serum. The assay transfers an acetyl group from CoA to carnitine and the free CoA formed is further processed with subsequent oxidation of the Oxi-Red probe to give fluorescence (Ex/Em 535 nm 587 nm) and absorbance (570 nm). The normal range for serum L-Carnitine is ~20-100 µM. The detection sensitivity is ~1 µM for the fluorometric assay and ~10 µM for the colorimetric assay.
Cat#:
AgK-364
Product Type:
Food Safety and Nutrient Detection
Price:
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Magnesium Assay Kit provides a simple sensitive means of quantitating magnesium in a variety of biological samples. The kit takes advantage of the specific requirement of glycerol kinase for Mg²ᶧ. An enzyme linked reaction leads to formation of an intensely colored (λmax = 450nm) product whose formation is proportional to Mg²ᶧ concentration. The linear range of the assay is 2-15 nmoles with detection sensitivity~ 40 µM.
Cat#:
AgK-365
Product Type:
Food Safety and Nutrient Detection
Price:
Inquiry
This kit has developed an easy and sensitive assay to measure the L(-) Malate level in a variety of samples. In the assay, malate is specifically oxidized to generate a product which reacts with a substrate probe to generate color (λmax = 450 nm). The assay can detect 1 ~ 35 nmol of Malate in a 50 µl sample with a detection sensitivity ~20 µM.
Cat#:
AgK-366
Product Type:
Food Safety and Nutrient Detection
Price:
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Cat#:
AgK-367
Product Type:
Food Safety and Nutrient Detection
Price:
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Cat#:
AgK-368
Product Name:
Melamine ELISA Kit
Product Type:
Food Safety and Nutrient Detection
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Melamine ELISA kit is a competitive ELISA assay for the quantitative measurement of Melamine in milk powder, milk, tissue, feed, egg, serum. The density of color is proportional to the amount of melamine captured from the samples.
Cat#:
AgK-369
Product Type:
Food Safety and Nutrient Detection
Price:
Inquiry
Methanol Assay Kit utilizes an enzymatic mechanism by which conversion of methanol is correlated stoichiometrically with generation of a colorimetric signal that can be quantified at 450 nm. The assay shows greater than 100-fold specificity for methanol over ethanol. The method is suitable for use in a range of biological and consumable samples, and can detect as little as 500 pmol methanol.
Cat#:
AgK-370
Product Type:
Food Safety and Nutrient Detection
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Nickel Assay kit provides a simple method of quantifying Ni²ᶧ in a variety of samples. The assay takes advantage of reaction of Ni²ᶧ with mercaptoethanol in borate buffer to form a complex with strong absorbance bands from ~300 to 600 nm. Fe²ᶧ and Co²ᶧ interfere with the assay, therefore extra steps (as described below) must be taken to subtract the interference in order to determine the correct Nickel concentration in mixed samples. Other ions tested (Mn²ᶧ, Cu²ᶧ, Zn²ᶧ) do not interfere with the assay, presumably no other ionic species are present in high enough concentration to interfere with the reaction. The assay is a simple method of quantifying Ni²ᶧ in a variety of samples, which gives a linear range of 2 to 50 nmol Nickel containing less than 25 nmol Cobalt.
Cat#:
AgK-371
Product Type:
Food Safety and Nutrient Detection
Price:
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Nitric Oxide Colorimetric Assay Kit provides an accurate, convenient measure of total nitrate/nitrite in a simple two-step process. The first step converts nitrate to nitrite utilizing nitrate reductase. The second step uses Griess Reagents to convert nitrite to a deep purple azo compound. The amount of the azochromophore accurately reflects nitric oxide amount in samples. The detection limit of the assay is approximately 1.0 nmole nitrite/well, or 10 µM.
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