نتایج جستجو برای: core shell sio2 fe3o4gold

تعداد نتایج: 268406  

Journal: :Chemical communications 2015
Yangzhi Zhu Xiangcun Li Gaohong He Xinhong Qi

Magnetic C-C@Fe3O4 hollow microspheres were prepared by using aerosol-based Fe3O4@C-SiO2 core-shell particles as templates. The magnetic double-shelled microspheres efficiently worked as carriers to load Pt nanoparticles, thus making the catalyst recyclable and reusable.

2016
Tai-Chou Lee

Research funded by this award focused on the synthesis of unique plasmonic nanoparticles, preparation of core-shell particles to enhance the generation of hydrogen via the photocatalytic splitting of water, and mechanistic studies of the charge transfer of such core-shell particles. A particular emphasis centered on the synthesis and study of hollow gold-silver nanoshells (GSNSs) having tunable...

Journal: :Chemical communications 2014
Fang Liu Jing Mu Xiangyang Wu Surajit Bhattacharjya Edwin Kok Lee Yeow Bengang Xing

A simple and unique strategy has been successfully designed for sensitive detection and rapid clearance of bacterial lipopolysaccharides (LPS) by integration of core-shell Fe3O4@SiO2 magnetic nanoparticles with a perylene-diimide (PDI) conjugated LPS-recognition peptide.

Journal: :Chemical communications 2006
Masih Darbandi Thomas Nann

A new one-pot synthetic method for preparing core/shell YF3@SiO2 nanoparticles with different morphologies, from spherical to elongated structures ("pearl necklace"), is described; absorbance and photoluminescence spectroscopy reveals intrinsic but no extrinsic defects in the YF3.

Journal: :Journal of Physics: Conference Series 2007

Journal: :The Journal of Physical Chemistry B 2005

2017
Yana G Toropova Alexey S Golovkin Anna B Malashicheva Dmitry V Korolev Andrey N Gorshkov Kamil G Gareev Michael V Afonin Michael M Galagudza

Over the last decade, magnetic iron oxide nanoparticles (IONPs) have drawn much attention for their potential biomedical applications. However, serious in vitro and in vivo safety concerns continue to exist. In this study, the effects of uncoated, FemOn-SiO2 composite flake-like, and SiO2-FemOn core-shell IONPs on cell viability, function, and morphology were tested 48 h postincubation in human...

2014
Hongmei Li Zhen Li Jin Zhao Baoqiang Tang Yanhong Chen Yikun Hu Zhengda He Yue Wang

A synthetic method to prepare a core-shell-structured Fe3O4@SiO2 as a safe nanovehicle for tumor cell targeting has been developed. Superparamagnetic iron oxide is encapsulated inside nonporous silica as the core to provide magnetic targeting. Carboxymethyl chitosan-folic acid (OCMCS-FA) synthesized through coupling folic acid (FA) with OCMCS is then covalently linked to the silica shell and re...

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