小鼠白介素18(IL18)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18(IL18)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18(IL18)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。

klA814Rb 兔脂质转运蛋白(CETP)ELISA试剂盒现货供应 ELISA Kit for Cholesteryl Ester Transfer Protein (CETP) Oryctolagus cuniculus (Rabbit)
klA160Rb 兔α2-纤溶酶抑制因子(α2PI)ELISA试剂盒现货供应 ELISA Kit for Alpha-2-Plasmin Inhibitor (a2PI) Oryctolagus cuniculus (Rabbit)
klA569Rb 兔P选择素(SELP)ELISA试剂盒现货供应 ELISA Kit for Selectin, Plaet (SELP) Oryctolagus cuniculus (Rabbit)
klA568Rb 兔S100钙结合蛋白A11(S100A11)ELISA试剂盒现货供应 ELISA Kit for S100 Calcium Binding Protein A11 (S100A11) Oryctolagus cuniculus (Rabbit)
klA567Rb 兔S100钙结合蛋白B(S100B)ELISA试剂盒现货供应 ELISA Kit for S100 Calcium Binding Protein B (S100B) Oryctolagus cuniculus (Rabbit)
klA056Rb 兔白介素10(IL10)ELISA试剂盒现货供应 ELISA Kit for Interleukin 10 (IL10) Oryctolagus cuniculus (Rabbit)
klA563Rb 兔白介素1β(IL1β)ELISA试剂盒现货供应 ELISA Kit for Interleukin 1 Beta (IL1b) Oryctolagus cuniculus (Rabbit)
klA077Rb 兔白介素4(IL4)ELISA试剂盒现货供应 ELISA Kit for Interleukin 4 (IL4) Oryctolagus cuniculus (Rabbit)
klA079Rb 兔白介素6(IL6)ELISA试剂盒现货供应 ELISA Kit for Interleukin 6 (IL6) Oryctolagus cuniculus (Rabbit)
klA080Rb 兔白介素8(IL8)ELISA试剂盒现货供应 ELISA Kit for Interleukin 8 (IL8) Oryctolagus cuniculus (Rabbit)
klA087Rb 兔单核细胞趋化蛋白1(MCP1)ELISA试剂盒现货供应 ELISA Kit for Monocyte Chemotactic Protein 1 (MCP1) Oryctolagus cuniculus (Rabbit)
klA049Rb 兔干扰素γ(IFNγ)ELISA试剂盒现货供应 ELISA Kit for Interferon Gamma (IFNg) Oryctolagus cuniculus (Rabbit)
klA047Rb 兔肝细胞生长因子(HGF)ELISA试剂盒现货供应 ELISA Kit for Hepatocyte Growth Factor (HGF) Oryctolagus cuniculus (Rabbit)
klA553Rb 兔基质金属蛋白酶9(MMP9)ELISA试剂盒现货供应 ELISA Kit for Matrix Metalloproteinase 9 (MMP9) Oryctolagus cuniculus (Rabbit)小鼠白介素18(IL18)检测试剂盒