Vasopressin

产品名称：Vasopressin RIA
产    地：Demeditec 
产品货号：DE3021
产品规格：100 Tests
产品说明：
Special remarks:
1 Introduction
Vasopressin, or Antidiuretic Hormone (ADH) is a nine amino acid peptide which is cyclic in nature and has molecular weight of about 1060. Its structure is very similar to that of oxytocin, differing in only two amino acids. Endogenous ADH has antidiuretic and pressor activity, both approaching 400 units per mg, with an antidiuretic-to-vasopressin ration of 1, and a biphasic plasma half-life of 2.5 and 14.5 minutes. ADH is synthesised in the hypothalamic supraoptic nucleus and paraventricular nucleus of primates and transported via exonal flow to the posterior pituitary for storage and eventual release. The clinical application of a vasopressin radioimmunoassay is in diabetes insipidus, phychogenic water intoxication, hyponatraemia, stress conditions, ADH as a neurotransmitter and hypertension studies. ADH values can be influenced by cigarettes, tea, coffee, alcohol and some drugs.
2 Principle of the Test
After ethanol extraction of the plasma samples, Vasopressin is assayed by a competitive radioimmunoassay. Urinary Vasopressin can be measured directly. This radioimmunoassay is using a rabbit anti-Vasopressin antiserum and a radioiodinated Vasopressin [125I] tracer. Bound and free phases are separated by a second antibody bound to solid phase particles, followed by a centrifugation step. The radioactivity in the bound fractions is measured and a typical standard curve can be generated. The values of the extracted samples are corrected for extraction recovery.
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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