期刊
APPLIED SURFACE SCIENCE
卷 375, 期 -, 页码 154-161出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2016.03.081
关键词
Hierarchical; Core shell; Magnetic
类别
资金
- National Science Foundation of China [21305086]
- Natural Science Foundation of Shanghai City [13ZR141830]
- Research Innovation Program of Shanghai Municipal Education Commission [14YZ138]
- Special Scientific Foundation for Outstanding Young Teachers in Shanghai Higher Education Institutions [ZZGJD13016]
- Start-up Funding of Shanghai University of Engineering Science
- Shanghai University of Engineering Science Innovation Fund for Graduate Students
The controllable synthesis of materials with the desired structure and dimensionality is of great significance in material science. In this work, the hierarchical CNTs/Fe3O4@copper silicate (CNTs/Fe3O4@CuSilicate) composites were synthesized via a simple chemical conversion route by using CNTs/Fe3O4@SiO2 nanocables as template. Firstly, magnetic CNTs composites (CNTs/Fe3O4) were synthesized by the high temperature decomposition process using the iron acetylacetonate as raw materials. Then a layer of SiO2 can be easily coated on the magnetic CNTs by the stober method, which were then converted into CNTs/Fe3O4@CuSilicate composites by hydrothermal reaction between the silica shell and copper ions in alkaline solution. The resulting CNTs/Fe3O4@CuSilicate composites hold merits such as magnetic responsivity, good dispersibility, and large specific surface area. Moreover, the CNTs/Fe3O4@copper silicate composites have strong affinity toward bovine hemoglobin (BHb), which were successfully applied to convenient, efficient, and fast removal of abundant proteins (HHb and HSA) in human blood. (C) 2016 Published by Elsevier B.V.
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