Metanephrine Plasma Fast Track

产品名称：Metanephrine Plasma Fast Track
产    地：Demeditec 
产品货号：DER8100
产品规格：100 Tests
产品说明：
Special remarks:
Intended use and principle of the test
125 I – Radioimmunoassay for the quantitative determination of free Metanephrine in plasma.
First, the plasma proteins are removed by precipitation. Then the metanephrine (metadrenaline) is 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 reference curve prepared with known standards.
The antisera used in this test kit only recognise the biologically relevant L-forms of metanephrines.
Commercially available synthetic normetanephrine or metanephrine is always a mixture of the Dand L-forms. The ratio between both forms differs widely from lot to lot. This has important implications if synthetic metanephrines are used to enrich native samples. As only about 50% of the synthetic metanephrines, i.e. the L-portion, will be detected by use of this kit, these samples will be underestimated. Therefore only native samples should be used.
上海玉博生物技术有限公司在为生命科学领域提供丰富的产品与信息资源方面处于国内**地位，公司提供的产品涵盖了二十多个国家近五十万种产品，而且产品的数量与信息在不断的增长和更新，公司提供的产品能够使生命科学工作者加快对生物化学，分子生物学，细胞生物学以及蛋白质组学研究的认知，以及分子诊断和临床医学领域的应用。

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