Normetanephrine Urine RIAFast Track

Normetanephrine Urine RIAFast Track

Brand:LDN
Product Code:BA R-8500
Price: £325.00

125I – Radioimmunoassay for the quantitative determination of Normetanephrine in urine. First, normetanephrine (normetadrenaline) was quantitatively acylated. The assay procedure follows the basic principle of radioimmunoassay, involving competition between a radioactive and a non-radioactive antigen for a fixed number of antibody binding sites. The amount of 125I-labelled antigen bound to the antibody is inversely proportional to the analyte concentration of the sample. When the system is in equilibrium, the antibody bound radioactivity is precipitated with a second antibody in the presence of polyethylene glycol. The precipitate is counted in a gamma counter. Quantification of unknown samples is achieved by comparing their activity with a standard curve prepared with known standards. NAME: Normetanephrine Urine RIA Fast TrackDESCRIPTION: Fast Track Radioimmunoassay (RIA) for the quantitative determination of Normetanephrine in urineDESIGN: Common sample preparation. Acylation in liquid phase. 6 standards, 2 controls, ready for use. Double antibody technique.SAMPLE VOLUME: 25 µl urineTOTAL ASSAY TIME: Hydrolysis and acylation 45 min and RIA 1.5 hSTANDARD RANGE: 0 / 30 - 3 000 ng/mlSENSITIVITY: 22 ng/mlSTORAGE: 2 - 8 °CKIT: 100 DeterminationsADVANTAGES: Total assay time approx. 2h 15 minNo interference by medical drugs knownWide standard ranges. convenient measurement of pathological samples without predilutionGood correlation with HPLC (UK NEQAS)15 week shelf-lifeCE MARK: CE Marked


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