Fabrication of uniform magnetic nanocomposite spheres with a magnetic core/mesoporous silica shell structure.
A novel kind of magnetic core/mesoporous silica shell nanospheres with a uniform particle diameter of ca. 270 nm was synthesized. The inner magnetic core endues the whole nanoparticle with magnetic properties, while the outer mesoporous silica shell shows high enough surface area and pore volume. The synthesized material is expected to be applied to targeted drug delivery and multiphase separation. The storage and release of ibuprofen into and from the pore channels of the mesoporous silica shell, as a typical example, are demonstrated.
Zhao
Wenru
W
State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai 200050, People's Republic of China.
Gu
Jinlou
J
Zhang
Lingxia
L
Chen
Hangrong
H
Shi
Jianlin
J
D008280:Magnetics; D036103:Nanotechnology / Q000379:methods; D043942:Nanotubes / Q000737:chemistry*; D010316:Particle Size; D016062:Porosity; D012822:Silicon Dioxide / Q000737:chemistry*; D013499:Surface Properties
D012822:Silicon Dioxide