Preparation of magnetic nanoparticles modified by amphiphilic copolymers

被引:16
作者
Bao, Huiling [1 ]
Chen, Zhiming
Kang, Lin
Wu, Peiheng
Liu, Juzheng
机构
[1] Nanjing Univ, Dept Elect Sci & Engn, RISE, Nanjing 210093, Peoples R China
[2] SE Univ, Dept Chem & Chem Engn, Nanjing 210096, Peoples R China
关键词
nanoparticles; magnetic; amphiphilic;
D O I
10.1016/j.matlet.2005.12.092
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Coordination method was used to prepare magnetic nanoparticles. Magnetic hysteresis loop studies showed that the obtained nanoparticles are categorized as soft magnetic materials. Microspheres prepared by the coordination method had PBMA core and hydroxylated PGMA shell bonded with Fe ion. The magnetic content and response decreased with the adding rate of the ferrous salt, while the size and size distribution of the microspheres increased. The magnetic response increased with the concentration of the ferrous salt. Also, the influence of the polymer content was studied, which indicated the particle size decreased with the polymer concentration and its distribution increased. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:2167 / 2170
页数:4
相关论文
共 33 条
[1]   Hydrolysis of sucrose by invertase immobilized onto novel magnetic polyvinylalcohol microspheres [J].
Akgöl, S ;
Kaçar, Y ;
Denizli, A ;
Arica, MY .
FOOD CHEMISTRY, 2001, 74 (03) :281-288
[2]   Immobilization of glucoamylase onto spacer-arm attached magnetic poly(methylmethacrylate) microspheres: characterization and application to a continuous flow reactor [J].
Arica, MY ;
Yavuz, H ;
Patir, S ;
Denizli, A .
JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC, 2000, 11 (2-3) :127-138
[3]   Oriented immobilization of galactose oxidase to bead and magnetic bead cellulose and poly(HEMA-co-EDMA) and magnetic poly(HEMA-co-EDMA) microspheres [J].
Bílková, Z ;
Slováková, M ;
Lycka, A ;
Horák, D ;
Lenfeld, J ;
Turková, J ;
Churácek, J .
JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES, 2002, 770 (1-2) :25-34
[4]   Modulation of spacing and magnetic properties of iron oxide nanoparticles through polymer-mediated "bricks and mortar" self-assembly [J].
Boal, AK ;
Frankamp, BL ;
Uzun, O ;
Tuominen, MT ;
Rotello, VM .
CHEMISTRY OF MATERIALS, 2004, 16 (17) :3252-3256
[5]   Magnetic nanocomposites:: Preparation and characterization of polymer-coated iron nanoparticles [J].
Burke, NAD ;
Stöver, HDH ;
Dawson, FP .
CHEMISTRY OF MATERIALS, 2002, 14 (11) :4752-4761
[6]   Modification and characterization of polystyrene-based magnetic microspheres and comparison with albumin-based magnetic microspheres [J].
Chatterjee, J ;
Haik, Y ;
Chen, CJ .
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2001, 225 (1-2) :21-29
[7]   Magnetic chitosan microspheres:: preparation and characterization [J].
Denkbas, EB ;
Kiliçay, E ;
Birlikseven, C ;
Öztürk, E .
REACTIVE & FUNCTIONAL POLYMERS, 2002, 50 (03) :225-232
[8]   Controlled clustering and enhanced stability of polymer-coated magnetic nanoparticles [J].
Ditsch, A ;
Laibinis, PE ;
Wang, DIC ;
Hatton, TA .
LANGMUIR, 2005, 21 (13) :6006-6018
[9]   Single-dose toxicity study of hepatic intra-arterial infusion of doxorubicin coupled to a novel magnetically targeted drug carrier [J].
Goodwin, SC ;
Bittner, CA ;
Peterson, CL ;
Wong, G .
TOXICOLOGICAL SCIENCES, 2001, 60 (01) :177-183
[10]  
Guo Zheng, 2003, Enzyme and Microbial Technology, V32, P776