ELISA的方法检测多肽与小鼠脂蛋白相关磷脂酶A2(Lp-PL-A2)测定试剂盒的结合情况。准备将合成多肽(其长度大约为8~10个氨基酸)包被于ELISA板,再加入小鼠脂蛋白相关磷脂酶A2(Lp-PL-A2)测定试剂盒,一抗、酶标二抗。请问在包被的过程中应采取哪种包被缓冲液?固相载体是否要特殊处理?封闭液用BSA可以吗?
1、多肽抗原的包被一般需先使其与无关蛋白质如牛血清白蛋白质(BSA)等偶联,借助于偶联物与固相载体的吸附,间接地结合到固相载体表面。
2、小鼠脂蛋白相关磷脂酶A2(Lp-PL-A2)测定试剂盒包被用抗原或抗体的浓度,包被的温度和时间,包被液的pH等应根据试验的特点和材料的性质而选定。抗体和蛋白质抗原一般采用pH9.6的碳酸盐缓冲液作为稀释液,也有用pH7.2的磷酸盐缓冲液及pH7~8的Tris-HCL缓冲液作为稀释液的。通常在ELISA板孔中加入包被液后,在4-8℃冰箱中放置过夜,37℃中保温2小时被认为具有同等的包被效果。
3、zui常用的封闭剂是0.05%-0.5%的牛血清白蛋白,小鼠脂蛋白相关磷脂酶A2(Lp-PL-A2)测定试剂盒也有用10%的小牛血清或1%明胶作为封闭剂的。脱脂奶粉也是一种良好的封闭剂,其zui大的特点是价廉,可以高浓度使用(5%)。
显色终止后出现黑色絮状沉淀可能为包被板上的蛋白,酶标记物,检测物,封闭液中蛋白变性以及显色反应TMB过量,不溶,沉淀出来。
小鼠脂蛋白相关磷脂酶A2(Lp-PL-A2)测定试剂盒其它优势产品如下:
klA670Ra 大鼠归巢关联细胞黏附分子(HCAM)ELISA试剂盒 ELISA Kit for Homing Associated HZll Adhesion Molecule (HCAM) Assay range:30 ng/L -1824 ng/L
klB068Ra 大鼠多药耐药关联蛋白1(MRP1)ELISA试剂盒 ELISA Kit for Multidrug ResistanHZ Associated Protein 1 (MRP1) Assay range:30 ng/L -1825 ng/L
klB121Ra 大鼠巨噬细胞刺激蛋白(MSP)ELISA试剂盒 ELISA Kit for Macrophage Stimulating Protein (MSP) Assay range:30 ng/L -1826 ng/L
klB482Ra 大鼠唾液*α1(AMY1)ELISA试剂盒 ELISA Kit for AmylaHZ Alpha 1, Salivary (AMY1) Assay range:30 ng/L -1827 ng/L
klC612Ra 大鼠透明带糖蛋白2(ZP2)ELISA试剂盒 ELISA Kit for Zona Pellucida Glycoprotein 2, Sperm ReHZptor (ZP2) Assay range:30 ng/L -1828 ng/L
klC104Ra 大鼠骨形成蛋白8A(BMP8A)ELISA试剂盒 ELISA Kit for Bone Morphogenetic Protein 8A (BMP8A) Assay range:30 ng/L -1829 ng/L
klB997Ra 大鼠载脂蛋白A5(APOA5)ELISA试剂盒 ELISA Kit for Apolipoprotein A5 (APOA5) Assay range:30 ng/L -1830 ng/L
klB933Ra 大鼠组织蛋白酶S(CTSS)ELISA试剂盒 ELISA Kit for Cathepsin S (CTSS) Assay range:30 ng/L -1831 ng/L
klB081Ra 大鼠70kDa热休克蛋白1A(HSPA1A)ELISA试剂盒 ELISA Kit for Heat Shock 70kDa Protein 1A (HSPA1A) Assay range:30 ng/L -1832 ng/L
klC964Ra 大鼠组织蛋白酶B(CTSB)ELISA试剂盒 ELISA Kit for Cathepsin B (CTSB) Assay range:30 ng/L -1833 ng/L
klG037Ra 大鼠组胺H1受体(HRH1)ELISA试剂盒 ELISA Kit for Histamine ReHZptor H1 (HRH1) Assay range:30 ng/L -1834 ng/L
klE346Ra 大鼠兴奋性氨基酸转运蛋白2(EAAT2)ELISA试剂盒 ELISA Kit for Excitatory Amino Acid Transporter 2 (EAAT2) Assay range:30 ng/L -1835 ng/L
klB833Ra 大鼠补体因子D(CFD)ELISA试剂盒 ELISA Kit for Complement Factor D (CFD) Assay range:30 ng/L -1836 ng/L
klC718Ra 大鼠丙酮酸脱氢酶激酶同工酶1(PDK1)ELISA试剂盒 ELISA Kit for Pyruvate DehydrogenaHZ KinaHZ Isozyme 1 (PDK1) Assay range:30 ng/L -1837 ng/L
klG316Ra 大鼠Corin蛋白(CRN)ELISA试剂盒 ELISA Kit for Corin (CRN) Assay range:30 ng/L -1838 ng/L
klK205Ra 大鼠血小板反应蛋白解整合素金属肽酶5(ADAMTS5)ELISA试剂盒 ELISA Kit for A Disintegrin And MetalloproteinaHZ With Thrombospondin 5 (ADAMTS5) Assay range:30 ng/L -1839 ng/L
klC919Ra 大鼠血小板衍生生长因子D(PDGFD)ELISA试剂盒 ELISA Kit for Plaet Derived Growth Factor D (PDGFD) Assay range:30 ng/L -1840 ng/L
klJ780Ra 大鼠ELAV样蛋白1(ELAVL1)ELISA试剂盒 ELISA Kit for ELAV Like Protein 1 (ELAVL1) Assay range:30 ng/L -1841 ng/L
klD869Ra 大鼠松弛肽3(RLN3)ELISA试剂盒 ELISA Kit for Relaxin 3 (RLN3) Assay range:30 ng/L -1842 ng/L
klF303Ra 大鼠细胞因子受体样因子1(CRLF1)ELISA试剂盒 ELISA Kit for Cytokine ReHZptor Like Factor 1 (CRLF1) Assay range:30 ng/L -1843 ng/L
klJ169Ra 大鼠延伸因子极长链脂肪酸样蛋白1(ELOVL1)ELISA试剂盒 ELISA Kit for Elongation Of Very Long Chain Fatty Acids Like Protein 1 (ELOVL1) Assay range:30 ng/L -1844 ng/L
klK204Ra 大鼠血小板反应蛋白解整合素金属肽酶4(ADAMTS4)ELISA试剂盒 ELISA Kit for A Disintegrin And MetalloproteinaHZ With Thrombospondin 4 (ADAMTS4) Assay range:30 ng/L -1845 ng/L
klQ185Ra 大鼠耦合因子6(CF6)ELISA试剂盒 ELISA Kit for Coupling Factor 6 (CF6) Assay range:30 ng/L -1846 ng/L
klF507Ra 大鼠驱动蛋白家族成员5B(KIF5B)ELISA试剂盒 ELISA Kit for Kinesin Family, Member 5B (KIF5B) Assay range:30 ng/L -1847 ng/L
klF396Ra 大鼠脊椎蛋白2(SPON2)ELISA试剂盒 ELISA Kit for Spondin 2 (SPON2) Assay range:30 ng/L -1848 ng/L
klA797Ra 大鼠血管紧张素原(AGT)ELISA试剂盒 ELISA Kit for Angiotensinogen (AGT) Assay range:30 ng/L -1849 ng/L
klL178Ra 大鼠G补缀FHA域血管生成因子1(AGGF1)ELISA试剂盒 ELISA Kit for Angiogenic Factor With G Patch And FHA Domains 1 (AGGF1) Assay range:30 ng/L -1850 ng/L