PROBLEM TO BE SOLVED: To provide a method of selectively carrying a drug to silicone nanoparticles and a method of selectively releasing the carried drug in cells.SOLUTION: An aggregate of silicone nanoparticles involves an agent. In the silicone nanoparticle aggregate described in the claim 1, the silicone nanoparticles have fluorescence properties.COPYRIGHT: (C)2014,JPO&INPIT【解決課題】シリコンナノ粒子への薬物の担持方法及び担持された薬物を細胞内で選択的に放出させる方法を提供すること。【解決手段】薬剤が内包されたシリコンナノ粒子の凝集体。【選択図】なし