聚乙二醇接枝苯乙烯马来酸共聚物复合微球的制备和检测应用

张贤楠, 冷远逵, 武卫杰, 李万万

Preparation and Immunoassay Application of Polyethylene Glycol Grafted Styrene Maleic Acid Copolymer Composite Microspheres

ZHANG Xiannan, LENG Yuankui, WU Weijie, LI Wanwan

表3 CA199单因子免疫检测最低检测限

Tab.3 LOD of CA199 singleplex immunoassay kU/L

微球 无BSA的检测限 含BSA的检测限 PSMA 5.3 2.0 15PEG1000-g-PSMA 2.7 1.3 30PEG1000-g-PSMA 0.9 0.8 50PEG1000-g-PSMA 1.0 1.1 100PEG1000-g-PSMA 1.3 1.3 30PEG550-g-PSMA 4.3 1.4 30PEG2000-g-PSMA 1.6 1.5 30PEG5000-g-PSMA 1.9 1.9