小鼠白介素2(IL2)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2(IL2)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2(IL2)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。

klA051Rb 兔胰岛素样生长因子2(IGF2)ELISA试剂盒现货供应 ELISA Kit for Insulin Like Growth Factor 2 (IGF2) Oryctolagus cuniculus (Rabbit)
klA889Rb 兔肾素(REN)ELISA试剂盒现货供应 ELISA Kit for Renin (REN) Oryctolagus cuniculus (Rabbit)
klA524Rb 兔组织因子(TF)ELISA试剂盒现货供应 ELISA Kit for Tissue Factor (TF) Oryctolagus cuniculus (Rabbit)
klA029Rb 兔E选择素(SELE)ELISA试剂盒现货供应 ELISA Kit for Selectin, Endothelium (SELE) Oryctolagus cuniculus (Rabbit)
klA033Rb 兔干扰素α(IFNα)ELISA试剂盒现货供应 ELISA Kit for Interferon Alpha (IFNa) Oryctolagus cuniculus (Rabbit)
klA225Rb 兔心钠肽(ANP)ELISA试剂盒现货供应 ELISA Kit for Atrial Natriuretic Peptide (ANP) Oryctolagus cuniculus (Rabbit)
klA530Rb 兔纤维蛋白原降解产物(FDP)ELISA试剂盒现货供应 ELISA Kit for Fibrinogen Degradation Product (FDP) Oryctolagus cuniculus (Rabbit)
klA471Rb 兔骨钙素(OC)ELISA试剂盒现货供应 ELISA Kit for Osteocalcin (OC) Oryctolagus cuniculus (Rabbit)
klB028Rb 兔白蛋白(ALB)ELISA试剂盒现货供应 ELISA Kit for Albumin (ALB) Oryctolagus cuniculus (Rabbit)
klA099Rb 兔基质金属蛋白酶13(MMP13)ELISA试剂盒现货供应 ELISA Kit for Matrix Metalloproteinase 13 (MMP13) Oryctolagus cuniculus (Rabbit)
klA104Rb 兔胆囊收缩素A受体(CCKAR)ELISA试剂盒现货供应 ELISA Kit for Cholecystokinin A Receptor (CCKAR) Oryctolagus cuniculus (Rabbit)
klA303Rb 兔半乳糖凝集素3(GAL3)ELISA试剂盒现货供应 ELISA Kit for Galectin 3 (GAL3) Oryctolagus cuniculus (Rabbit)
klA002Rb 兔白细胞激活黏附因子(ALCAM)ELISA试剂盒现货供应 ELISA Kit for Activated Leukocyte Cell Adhesion Molecule (ALCAM) Oryctolagus cuniculus (Rabbit)
klA109Rb 兔肌肌酸激酶(CKM)ELISA试剂盒现货供应 ELISA Kit for Creatine Kinase, Muscle (CKM) Oryctolagus cuniculus (Rabbit)
klC011Rb 兔补体因子B(CFB)ELISA试剂盒现货供应 ELISA Kit for Complement Factor B (CFB) Oryctolagus cuniculus (Rabbit)小鼠白介素2(IL2)检测试剂盒