Amphiphilic modification and asymmetric silica encapsulation of hydrophobic Au-Fe3O4 dumbbell nanoparticles.

Binghui Wu,Shaoheng Tang,Mei Chen,Nanfeng Zheng

CHEMICAL COMMUNICATIONS（2014）

Cited 43|Views6

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Abstract

A facile method is developed for amphiphilic surface modification and asymmetric silica encapsulation of hydrophobic Au-Fe3O4 dumbbell nanoparticles. The obtained asymmetric Janus nanocomposites display tunable wettability, enhanced catalysis and better cell internalization as compared to those with complete silica encapsulation.

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Key words

surface,interfaces,nanocrystals,particles,oxidation,membranes,core

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