Melatonin direct Saliva ELISA (Non-Extraction)

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Details for:  Melatonin direct Saliva ELISA (Non-Extraction)

Enzyme immunoassay for the direct, quantitative determination of melatonin in human saliva. For research use only. Not for use in clinical diagnostic procedures.

The assay procedure follows the basic principle of competitive ELISA whereby there is competition between a biotinylated and a non-biotinylated antigen for a fixed number of antibody binding sites. The amount of biotinylated antigen bound to the antibody is inversely proportional to the analyte concentration of the sample. When the system is in equilibrium, the free biotinylated antigen is removed by a washing step and the antibody bound biotinylated antigen is determined by use of streptavidin-peroxidase as marker and TMB as substrate. Quantification of unknowns is achieved by comparing the enzymatic activity of unknowns with a response curve prepared by using known standards.

The pineal gland ("corpus pineale") has been called a neuroendocrine transducer because of its important role in photoperiodism. The major hormone of the pineal gland is N-acetyl-5-methoxy-tryptamine or melatonin which is synthezised from the amino acid tryptophane. Melatonin has the highest levels in plasma during nighttime. Its characteristic nocturnal surge appears to encode temporal information such as length of night. Regulation of the melatonin secretion is under neural control. Most of the circulating melatonin is metabolized in the liver to 6-hydroxymelatonin and subsequently to 6-sulfatoxymelatonin which is excreted into the urine.

For concrete data please consult the Instruction for Use in the download box on the right side.

Catalog No. RE54041

Melatonin direct Saliva ELISA (Non-Extraction)
List Price $429
Kit size 12 x 8
Method ELISA
Incubation time 1 x 18 h, 1 x 2h, 1 x 1h, 1 x 15min
Standard range 0.5 - 50 pg/ml
Specimen / Volumes 100 µl Saliva
Substrate / isotope TMB 450nm
Regulatory Status: For research use only


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