A Convenient Method to Synthesize Surface Amino-Coated Superparamagnetic Fe3O4 Nanoparticles

LIU Xing-Chen, 吉林大学超分子结构与材料国家重点实验室, 长春 130012, State Key Laboratory of Supramolecular Structure and Material, Jilin University, Changchun 130012, P. R. China, DANG Yong-Qiang, WU Yu-Qing
2010 Wuli huaxue xuebao  
Abstract: Weproposeaconvenientmethodtosynthesizesurfaceamino鄄coatedmagneticnanoparticles.Fe 3 O 4 nanoparticleswithagraindiameterofabout10nmweresynthesizedbythechemicalco鄄precipitationofferrous chlorideandferricchloride.Theobtainedsuperparamagneticnanoparticlesweresurface鄄modifiedwithalendronateto introduceanaminogroupontotheirsurfaces.Theparticleswerecharacterizedbytransmissionelectronmicroscopy (TEM),X 鄄
more » ... 鄄 vimetricanalysis(TGA),Fouriertransforminfrared(FT鄄IR)spectroscopy,andX鄄rayphotoelectronspectroscopy(XPS). ThedatashowedthatalendronatewassuccessfullylinkedtotheSPMnanoparticles.Theseparticlesarestableformore than4weekswithoutprecipitationatpH=6.3.
doi:10.3866/pku.whxb20100245 fatcat:oizkdb6ncnd5xcmguscamrdscu