小鼠白介素5(IL5)检测试剂盒在一步法测定中,当标本中受检抗原的含量很高时,过量抗原分别和固相抗体及酶标抗体结合,而不再形成"夹心复合物"。类同于沉淀反应中抗原过剩的后带现象,此时反应后显色的吸光值(位于抗原过剩带上)与标准曲线(位于抗体过剩带上)某一抗原浓度的吸光值相同,如按常法测读,所得结果将低于实际的含量,这种现象被称为钩状效应(hook effect),因为标准曲线到达高峰后呈钩状弯落。钩状效应严重时,小鼠白介素5(IL5)检测试剂盒反应甚至可不显色而出现假阴性结果。因此在使用一步法试剂测定标本中含量可异常增高的物质(例如血清中HBsAg、AFP和尿液hCG等)时,应注意可测范围的zui高值。用高亲和力的单克隆抗体制备此类试剂可削弱钩状效应。假使在被测分子的不同位点上含有多个相同的决定簇,例如HBsAg的a决定簇,也可用针对此决定的同一单抗分别包被固相和制备酶结合物。但在HBsAg的检测中应注意亚型问题,小鼠白介素5(IL5)检测试剂盒HBsAg有adr、adw、ayr、ayw4个亚型,虽然每种亚型均有相同的a决定簇的反应性,这也是用单抗作夹心法应注意的问题。

klA235Rb 兔补体1抑制因子(C1INH)ELISA试剂盒现货供应 ELISA Kit for Complement 1 Inhibitor (C1INH) Oryctolagus cuniculus (Rabbit)
klB472Rb 兔碱性磷酸酶(ALP)ELISA试剂盒现货供应 ELISA Kit for Alkaline Phosphatase (ALP) Oryctolagus cuniculus (Rabbit)
klA485Rb 兔氨基端前脑钠素(NT-ProBNP)ELISA试剂盒现货供应 ELISA Kit for N-Terminal Pro Brain Natriuretic Peptide (NT-ProBNP) Oryctolagus cuniculus (Rabbit)
klA527Rb 兔氧化低密度脂蛋白(OxLDL)ELISA试剂盒现货供应 ELISA Kit for Oxidized Low Density Lipoprotein (OxLDL) Oryctolagus cuniculus (Rabbit)
klA388Rb 兔补体成分5a(C5a)ELISA试剂盒现货供应 ELISA Kit for Complement Component 5a (C5a) Oryctolagus cuniculus (Rabbit)
klA537Rb 兔神经元特异性烯醇化酶(NSE)ELISA试剂盒现货供应 ELISA Kit for Enolase, Neuron Specific (NSE) Oryctolagus cuniculus (Rabbit)
klB908Rb 兔聚集蛋白聚糖(AGC)ELISA试剂盒现货供应 ELISA Kit for Aggrecan (AGC) Oryctolagus cuniculus (Rabbit)
klA011Rb 兔脑源性神经营养因子(BDNF)ELISA试剂盒现货供应 ELISA Kit for Brain Derived Neurotrophic Factor (BDNF) Oryctolagus cuniculus (Rabbit)
klB851Rb 兔血管内皮生长因子121(VEGF121)ELISA试剂盒现货供应 ELISA Kit for Vascular Endothelial Growth Factor 121 (VEGF121) Oryctolagus cuniculus (Rabbit)
klA005Rb 兔血管紧张素Ⅱ(ANGⅡ)ELISA试剂盒现货供应 ELISA Kit for Angiotensin II (AngII) Oryctolagus cuniculus (Rabbit)
klD232Rb 兔心肌肌钙蛋白T(TNNT2)ELISA试剂盒现货供应 ELISA Kit for Troponin T Type 2, Cardiac (TNNT2) Oryctolagus cuniculus (Rabbit)
klA387Rb 兔补体成分3a(C3a)ELISA试剂盒现货供应 ELISA Kit for Complement Component 3a (C3a) Oryctolagus cuniculus (Rabbit)
klA539Rb 兔髓鞘碱性蛋白(MBP)ELISA试剂盒现货供应 ELISA Kit for Myelin Basic Protein (MBP) Oryctolagus cuniculus (Rabbit)小鼠白介素5(IL5)检测试剂盒