In this study γ - globulin ( IgG ) was used as the protein model of monoclonal antibody and thiomalic acid ( TMA ) as the bifunctional conjugate connecting gold to IgG .

本 工作 采用 人丙种球蛋白（IgG）作为单抗的模型蛋白质， 巯基 苹果 酸（TMA）为连接IgG与Au的双功能连接 剂。