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Food Safety and Nutrient Detection


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Food Safety and Nutrient Detection Inquiry
Cat#:
FSD-402
Product Type:
Food Safety and Nutrient Detection
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β-lactam antibiotics Rapid Detection Kit is designed for the detection of β-lactam antibiotics in milk.
Cat#:
AgK-402
Product Type:
Food Safety and Nutrient Detection
Price:
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Tryptophan Assay Kit provides a simple, sensitive, and high-throughput adaptable assay that detects tryptophan concentration in biological fluids, including free and bound tryptophan in serum. The principle is based on the non-enzymatic reaction to generate a fluorophore (Ex/Em = 370/440 nm) using tryptophan as a building block. The reaction is specific and other amino acids do not interfere with the assay. The assay can detect as little as 2.5 µM of TRP in a variety of biological samples.
Cat#:
AgK-403
Product Type:
Food Safety and Nutrient Detection
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Acetoacetate Assay Kit has adapted that principle with a modification that provides a sensitive method to quantitate endogenous levels of AcAc in human blood, and urine. In this non-enzymatic assay, AcAc reacts with a substrate to generate a colored product that can be measured at 550 nm. The reaction is specific for AcAc and does not detect 3-β-hydroxybutyrate. The assay kit can detect samples containing acetoacetate as low as 25 µM.
Cat#:
AgK-404
Product Type:
Food Safety and Nutrient Detection
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α-amylase Assay uses ethylidene-pNP-G7 as the substrate. Once the substrate has been specifically cleaved by α-amylase, the smaller fragments produced can be acted upon by α-glucosidase, which causes the ultimate release of the chromophore that can then be measured at 405 nm. The assay can detect α-amylase content as low as 0.2 mU.
Cat#:
AgK-405
Product Type:
Food Safety and Nutrient Detection
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Aspartate Assay Kit provides a simple, convenient assay to measure aspartate in a variety of samples. In the assay, aspartate is converted to pyruvate which is oxidized with the conversion of a probe into a highly colored (570 nm) and fluorescent (Ex/Em 535/587 nm) species proportional to the amount of aspartate in samples. Aspartate can be quantified in the range between 0.1–10 nmoles/well (2-200 µM).
Cat#:
AgK-406
Product Type:
Food Safety and Nutrient Detection
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Autophagy/Cytotoxicity Dual Staining Kit (Cell-Based) enables detection and monitoring of autophagy and autophagic cell death in cultured cells. The kit contains two fluorescent probes: a membrane permeable selective autophagy stain and a cell death marker. An autophagy-inducing positive control reagent, which increases autophagy staining and serves as an experimental control. This easy-to-use non-radioactive kit allows researchers to study the regulation of autophagy and cytotoxicity at the cellular level by Fluorescence Microscopy and Flow Cytometry in cultured cells.
Cat#:
AgK-407
Product Type:
Food Safety and Nutrient Detection
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BCAA Assay Kit provides a simple convenient means of measuring the BCAA’s in a variety of biological samples. The kit utilizes an enzyme assay in which BCAA is oxidatively deaminated, producing NADH which reduces the probe, generating a colored product (λmax = 450 nm). BCAA kit measures BCAA’s in the range of 0 to 10 nmol per sample with a detection limit of ~0.2 nmol (~10 µM BCAA in sample). BCAA’s are present in serum ~ 0.1-0.4 mM each (~0.125-1.5 mM combined).
Cat#:
AgK-409
Product Type:
Food Safety and Nutrient Detection
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Cysteine Assay Kit provides a simple, sensitive, and high-throughput adaptable assay that detects physiological concentration of cysteine in a variety of biological fluids. The principle of the assay is based on the cleavage of thiol group of reduced cysteine producing a fluorophore (Ex/Em = 365/450 nm) with a stable signal, which is 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. The assay can detect as little as 10 µM of Cysteine in a variety of samples.
Cat#:
AgK-410
Product Type:
Food Safety and Nutrient Detection
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DL-Serine Assay Kit allows for quantification of both L- and D-Serine in biological fluids and tissues. The assay is based on the conversion of L-Serine to D-Serine, which is metabolized to an intermediate product that is subsequently oxidized and reacts with a probe to form a stable fluorophore (Ex/Em = 539/587 nm). Samples may be divided and assayed simultaneously for quantification of both D-Serine and total DL-Serine. The assay is not affected by physiological concentrations of other amino acids, is high-throughput adaptable and can detect less than 1 μM Serine.
Cat#:
AgK-411
Product Type:
Food Safety and Nutrient Detection
Price:
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Fructosamine Assay Kit is a microplate-based colorimetric assay for the direct determination of fructosamine levels in serum. The assay is based on the ability of fructosamine to reduce nitroblue tetrazolium (NBT), forming a colored end-product (purple) under alkaline conditions. The formation rate of formazan is proportional to the concentration of fructosamine in samples and the increase in absorbance (OD 530nm) can be monitored using a spectrophotometer. The kit includes a Thiol Blocking Reagent and a Sample Cleaning Mix that minimizes the interference of other endogenous reducing agents which ensures accurate measurements of Fructosamine in biological samples. The assay is simple, reproducible and can detect as low as 20 µmol/L of fructosamine in samples.
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