点击放大双臂-聚乙二醇-丙烯酸酯（n=45）2-Arm-PEG-Acrylate (n=45, per arm); 2-Arm acrylate-functionalized discrete poly(ethylene glycol) (PEG arm n=45)
点击放大三臂-聚乙二醇-丙烯酸酯（n=45）3-Arm-PEG-Acrylate (n=45, per arm); 3-Arm acrylate-functionalized discrete poly(ethylene glycol) (PEG arm n=45)
点击放大四臂-聚乙二醇-丙烯酸酯（n=45）4-Arm-PEG-Acrylate (n=45, per arm); 4-Arm acrylate-functionalized discrete poly(ethylene glycol) (PEG arm n=45)
点击放大六臂-聚乙二醇-丙烯酸酯（n=45）6-Arm-PEG-Acrylate (n=45, per arm); 6-Arm acrylate-functionalized discrete poly(ethylene glycol) (PEG arm n=45)
