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wuwt木虫 (正式写手)
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[交流]
【求助】Fe3O4纳米粒子氨基化/羧基化
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请问，怎么对Fe3O4进行氨基化/羧基化？ 各位能不能推荐一下文献（期刊，论文标题，卷期，页码）？我想学习一下。谢谢！ |
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wuwt(金币+2):非常感谢您的帮忙！ 1-18 04:37
wuwt(金币+2):非常感谢您的帮忙！ 1-18 04:37
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你看看这两篇papers,希望能有点用处。另外孙老师组里一直做磁性纳米材料，你可以再搜索一下他们的paper。 1) He, Y.P.; Wang, S.Q.; Li, C.R.; Miao, Y.M.; Wu, Z.Y.; Zou, B.S.; Synthesis and characterization of functionalized silica-coated Fe3O4 superparamagnetic nanocrystals for biological applications, Journal of Physics D: Applied Physics, Volume 38, Number 9, 7 May 2005 , pp. 1342-1350(9)[ 被引用次数：11] Abstract: Superparamagnetic Fe3O4 nanocrystals were prepared by a chemical coprecipitation method with a thin thickness-adjustable silica layer coated on the surface by hydrolysis of tetraethyl orthosilicate. The silica-coated Fe3O4 nanocrystals were well dispersed and consisted of a 6–7 nm diameter magnetic core and a silica shell about 2 nm thick, according to transmission electron microscopy observations. Fourier transform infrared spectra revealed that amino (–NH2) groups were successfully covalently bonded to the silica-coated Fe3O4 and then carboxyl (–COOH) groups were functionalized to the surface through the reaction of –NH2 and glutaric anhydride. ............... 2)J. Xie, C. Xu, N. Kohler, Y. Hou, S. Sun, Controlled PEGylation of Monodisperse Fe3O4 Nanoparticles for Reduced Non-Specific Uptake by Macrophage Cells,Advanced Materials,Volume 19 Issue 20, Pages 3163 - 3166(Brown University,孙守衡老师的paper） |
2楼2009-01-18 03:05:35
wuwt
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3楼2009-01-18 04:37:52