Synthesis of Superparamagnetic/Fluoreseent Nanocomposites Based on Surface Modification by Polyacrylic Acid

被引：0
作者：
Mo Zhi-Hong [1 ,2 ]
Rao Tong-De [1 ,3 ]
Yang Xiao-Chao [1 ]
机构：
[1] Chongqing Univ, Coll Chem & Chem Engn, Chongqing 400044, Peoples R China
[2] Chongqing Univ, Microsyst Res Ctr, Chongqing 400044, Peoples R China
[3] Chongqing Three Gorges Inst, Sch Chem & Environm Engn, Chongqing 400044, Peoples R China
来源：
CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE | 2009年 / 30卷 / 09期
关键词：
Superparamagnetic; Surface modification by polyacrylic acid; Covalent combination; Fluorescence; Nanocomposite; MAGNETITE NANOPARTICLES;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Superparamagnetic/fluorescent nanocomposites were synthesized based on surface modification by polyacrylic acid, in order to improve the dispersity and fluorescence of the nanocomposites. The obtained nanocomposites were characterized via TEM, FTIR, TGA, XRD, VSM and fluorospectroscopy. The results show that the carboxylated Fe3O4 nanopartieles and Fe3O4-fluorescent bifunctional nanocomposites have a typical diameter of 6-10 nm. The Fe3O4-fluorescent bifunctional nanocomposites have a saturated magnetization of 39. 2 A . m(2)/kg at room temperature and high fluorescent. signal. The new magneto-fluorescent nanoagent has great potential applications for biological and medical uses.
引用
收藏
页码：1881 / 1884
页数：4
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