小鼠粘蛋白1(MUC1)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,小鼠粘蛋白1(MUC1)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,小鼠粘蛋白1(MUC1)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。

klA064Bo 牛白介素18(IL18)ELISA试剂盒现货供应 ELISA Kit for Interleukin 18 (IL18) Bos taurus; Bovine (Cattle)
klA125Bo 牛免疫球蛋白样EGF样域酪氨酸激酶1(Tie1)ELISA试剂盒现货供应 ELISA Kit for Tyrosine Kinase With Immunoglobulin Like And EGF Like Domains Protein 1 (Tie1) Bos taurus; Bovine (Cattle)
klA077Bo 牛白介素4(IL4)ELISA试剂盒现货供应 ELISA Kit for Interleukin 4 (IL4) Bos taurus; Bovine (Cattle)
klA207Bo 牛谷丙转氨酶(ALT)ELISA试剂盒现货供应 ELISA Kit for Alanine Aminotransferase (ALT) Bos taurus; Bovine (Cattle)
klA101Bo 牛基质金属蛋白酶3(MMP3)ELISA试剂盒现货供应 ELISA Kit for Matrix Metalloproteinase 3 (MMP3) Bos taurus; Bovine (Cattle)
klA104Bo 牛胆囊收缩素A受体(CCKAR)ELISA试剂盒现货供应 ELISA Kit for Cholecystokinin A Rexyptor (CCKAR) Bos taurus; Bovine (Cattle)
klA102Bo 牛基质金属蛋白酶7(MMP7)ELISA试剂盒现货供应 ELISA Kit for Matrix Metalloproteinase 7 (MMP7) Bos taurus; Bovine (Cattle)
klA105Bo 牛神经生长因子(NGF)ELISA试剂盒现货供应 ELISA Kit for Nerve Growth Factor (NGF) Bos taurus; Bovine (Cattle)
klA106Bo 牛神经营养因子3(NT3)ELISA试剂盒现货供应 ELISA Kit for Neurotrophin 3 (NT3) Bos taurus; Bovine (Cattle)
klA109Bo 牛肌肌酸激酶(CKM)ELISA试剂盒现货供应 ELISA Kit for Creatine Kinase, Muscle (CKM) Bos taurus; Bovine (Cattle)
klA306Bo 牛组织蛋白酶L(CTSL)ELISA试剂盒现货供应 ELISA Kit for Cathepsin L (CTSL) Bos taurus; Bovine (Cattle)
klA309Bo 牛半乳糖凝集素9(GAL9)ELISA试剂盒现货供应 ELISA Kit for Galectin 9 (GAL9) Bos taurus; Bovine (Cattle)
klA310Bo 牛载脂蛋白H(APOH)ELISA试剂盒现货供应 ELISA Kit for Apolipoprotein H (APOH) Bos taurus; Bovine (Cattle)
klA002Bo 牛白细胞激活黏附因子(ALCAM)ELISA试剂盒现货供应 ELISA Kit for Activated Leukocyte xyll Adhesion Molecule (ALCAM) Bos taurus; Bovine (Cattle)
klA110Bo 牛抑瘤素M(OSM)ELISA试剂盒现货供应 ELISA Kit for Oncostatin M (OSM) Bos taurus; Bovine (Cattle)
klA112Bo 牛β细胞素(βTC)ELISA试剂盒现货供应 ELISA Kit for Betaxyllulin (bTC) Bos taurus; Bovine (Cattle)
klA115Bo 牛前动力蛋白2(PK2)ELISA试剂盒现货供应 ELISA Kit for Prokineticin 2 (PK2) Bos taurus; Bovine (Cattle)
klA114Bo 牛胎盘生长因子(PLGF)ELISA试剂盒现货供应 ELISA Kit for Plaxynta Growth Factor (PLGF) Bos taurus; Bovine (Cattle)小鼠粘蛋白1(MUC1)检测试剂盒