Zhiya Ma
Chinese Academy of Sciences
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Featured researches published by Zhiya Ma.
China Particuology | 2003
Xianqiao Liu; Huizhou Liu; Jianmin Xing; Yueping Guan; Zhiya Ma; Guobin Shan; Chengli Yang
Abstract Superparamagnetic poly(styrene-divinylbenzene-glycidyl methacrylate) (Pst-DVB-GMA) microparticles were prepared via a modified suspension polymerization process. A magnetic fluid was first prepared by a chemical co-precipitation method. Then magnetic microparticles were produced by mixing the monomers and the magnetic fluid with water in the presence of a stabilizer poly(vinyl pyrrolidone) (PVP) to form a suspension, and finally benzoyl peroxide was added to initiate the co-polymerization. The morphology and magnetic properties of the microparticles were examined by TEM and VSM. The spherically shaped microparticles, with a size range of 4 to 7 μm, showed distinct superparamagnetic characteristics. XRD was used to investigate the structure of the magnetite particles dispersed in the polymer matrix. The microparticles with epoxy groups on their surface can be applied directly to the separation of biomolecules.
Journal of Magnetism and Magnetic Materials | 2004
Xianqiao Liu; Zhiya Ma; Jianmin Xing; Huizhou Liu
Journal of Polymer Science Part A | 2005
Zhiya Ma; Yueping Guan; Huizhou Liu
Langmuir | 2004
Xianqiao Liu; Yueping Guan; Zhiya Ma; Huizhou Liu
Journal of Magnetism and Magnetic Materials | 2006
Zhiya Ma; Yueping Guan; Huizhou Liu
Langmuir | 2005
Zhiya Ma; Yueping Guan; Xq Liu; Huizhou Liu
Process Biochemistry | 2005
Junguo Liu; Jianmin Xing; Tianshi Chang; Zhiya Ma; Huizhou Liu
Colloids and Surfaces A: Physicochemical and Engineering Aspects | 2006
Zhiya Ma; Xianqiao Liu; Yueping Guan; Huizhou Liu
Journal of Magnetism and Magnetic Materials | 2005
Xianqiao Liu; Yueping Guan; Huizhou Liu; Zhiya Ma; Yu Yang; Xiaobing Wu
Reactive & Functional Polymers | 2006
Zhiya Ma; Yueping Guan; Huizhou Liu