Magnetic particle and method for producing the same
    3.
    发明专利
    Magnetic particle and method for producing the same 审中-公开
    磁性颗粒及其制造方法

    公开(公告)号:JP2008056827A

    公开(公告)日:2008-03-13

    申请号:JP2006236722

    申请日:2006-08-31

    摘要: PROBLEM TO BE SOLVED: To provide a highly safe magnetic particle suitable as a medical magnetic particle and having excellent size uniformity and to provide a method for producing the magnetic particle. SOLUTION: The magnetic particle comprises a magnetic substance and a biodegradable polymer and the average particle diameter of the magnetic particle is ≥10 to ≤1,000 nm. The method for producing the magnetic particle comprises (1) a step of preparing a mixture liquid from the biodegradable polymer, the magnetic substance and a solvent 1, (2) a step of mixing the mixture liquid with a solvent 2 and preparing an emulsion and (3) a step of extracting and removing the solvent 1 from the resultant emulsion. COPYRIGHT: (C)2008,JPO&INPIT

    摘要翻译: 要解决的问题:提供适合作为医用磁性颗粒并且具有优异的尺寸均匀性的高度安全的磁性颗粒,并提供制造磁性颗粒的方法。 磁性粒子包含磁性物质和生物降解性聚合物,磁性粒子的平均粒径为10〜1000nm。 磁性粒子的制造方法包括(1)从生物降解性聚合物,磁性物质和溶剂1制备混合液的工序,(2)将混合液与溶剂2混合并制备乳液的步骤, (3)从所得乳液中提取和除去溶剂1的步骤。 版权所有(C)2008,JPO&INPIT