申请人:Kyoto University
公开号:EP3978032A1
公开(公告)日:2022-04-06
Composite particles, each of which is obtained by forming, on the surface of a gadolinium oxide-containing particle, a cover film that contains a polymer obtained by polymerizing a monomer component containing a monomer having an ethylenically unsaturated bond; a macrophage imaging agent which contains the composite particles; and a method for producing composite particles, wherein a monomer component containing a monomer having an ethylenically unsaturated bond and gadolinium oxide-containing particles are mixed with each other, and after emulsifying the thus-obtained monomer component-containing mixture in water in the presence of a surfactant and a polymerization initiator in water, the monomer component is polymerized, thereby forming cover films on the surfaces of the gadolinium oxide-containing particles.
复合微粒,每种复合微粒都是通过在含氧化钆的微粒表面形成一层覆盖膜而获得的,覆盖膜含有通过聚合含有具有乙烯不饱和键的单体的单体组分而获得的聚合物;含有复合微粒的巨噬细胞成像剂;以及一种生产复合微粒的方法,其中将含有具有乙烯不饱和键的单体的单体组分和含氧化钆的微粒相互混合,在水中存在表面活性剂和聚合引发剂的情况下,将由此获得的含单体组分的混合物在水中乳化后,使单体组分聚合,从而在含氧化钆的微粒表面形成覆盖膜。