COMPOSITE PARTICLES USING GOLD IRON OXIDE PARTICLES, AND MRI CONTRAST MEDIUM

摘要

PPROBLEM TO BE SOLVED: To provide a practical MRI contrast medium applicable to not only liver tumor but also tumors of several objective tissues, and to provide particulates applicable as the contrast medium. PSOLUTION: The composite particles are provided by bonding a polyalkylene glycol through sulfur to all or a part of gold particulates in gold iron oxide particles comprising magnetic iron oxide particle and a plurality of gold particulates thereon. PCOPYRIGHT: (C)2009,JPO&INPIT