Serotonin by DRG International Inc.

Manufacturer DRG International Inc.  |   Model: EIA-1300  |  Available Worldwide
High Quality Assays with Reproducible and Reliable Results

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Enzyme immunoassay for the in-vitro diagnostic quantitative determination of Serotonin in human serum, plasma, platelets andurine.  Further the test can be used for research of tissue homogenates and cell culture supernatants.Serotonin is an intermediate product of tryptophan metabolism and is located primarily in the enterochromaffin cells of intestine, serotonergic neurons of the brain, platelets of the blood and is well established as a neurotransmitter in the central nervous system. Nearly all of the serotonin in circulating blood is concentrated in platelets. Altered concentrations of circulating serotonin have been implicated in several pathological conditions including chronic tensionheadache, schizophrenia, hypertension, Huntington´s disease, Duchenne´s muscular dystrophy and early acute appendicitis. The determination of serumserotonin levels is of high clinical significance for diagnostic assessment of carcinoid syndrome. An increasing interest in the determination of serotonin inplatelets including uptake and release kinetics is expected in the near future.The sample preparation (derivatization of serotonin to N-acylserotonin) is part of the sample dilution and is achieved by incubation of the respective sample with the Acylation Reagent. The assay procedure follows the basic principle of competitive ELISA whereby there is competition between a biotinylated and anon-biotinylated antigen for a fixed number of antibody binding sites. The amount of biotinylated antigen bound to the antibody is inversely proportionalto the analyte concentration of the sample. When the system is in equilibrium, the free biotinylated antigen is removed by a washing step and the antibodybound biotinylated antigen is determined by use of streptavidine alkaline phosphatase as marker and p-nitrophenyl phosphate as substrate. Quantificationof unknowns is achieved by comparing the enzymatic activity of unknowns with a response curve prepared by using known standards.

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Serotonin by DRG International Inc. product image


Manufacturer DRG International Inc.  |  Available Worldwide

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