Issue 7, 2011
From the journal:

Soft Matter

Colloidosomes constructed by the seamless connection of nanoparticles: a mobile and recyclable strategy to intelligent capsules†

Conghui Yuan,a   Yiting Xu,a   Nina Jiang,a   Guangjian Chen,a   Binbin Xu,b   Ning He§c  and  Lizong Dai*a  

* Corresponding authors

a Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen, China
E-mail: lzdai@xmu.edu.cn
Fax: +86-592-2183937
Tel: +86-592-2186178

b Center of Instrumental Analysis, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China

c Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
E-mail: hening@xmu.edu.cn
Fax: +86-592-2184822
Tel: +86-592-2183088

Abstract

Colloidosomes constructed by the self-assembly of nanoparticles (NPs) on liquid–liquid interfaces have been demonstrated to be useful in many fields. However, the interspaces between NPs on the surface of colloidosomes barricade their application in small molecule encapsulation. Herein, fabrication of a new type of colloidosome built by the seamless connection of NPs via simply heating and quenching a type of core–shell structured NPs (CSNPs) aqueous system using oil as a template, is presented. These colloidosomes have a hollow structure and exhibit efficient small molecule encapsulation. More importantly, the colloidosomes can dissociate into single NPs and release the small target molecules encapsulated in interior of the colloidosomes at a temperature higher than the melting point of the CSNP shell. It is also shown that the dissociation temperature of colloidosomes can be controlled by simply adjusting the length of the PEG chains in the CSNP shell, which implies that these intelligent capsules have attractive application prospects in controlled drug release.

Graphical abstract: Colloidosomes constructed by the seamless connection of nanoparticles: a mobile and recyclable strategy to intelligent capsules

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Supplementary files

Article information

DOI
https://doi.org/10.1039/C0SM01128B
Article type
Paper
Submitted
08 Oct 2010
Accepted
10 Jan 2011
First published
14 Feb 2011

Soft Matter, 2011,7, 3366-3372

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Colloidosomes constructed by the seamless connection of nanoparticles: a mobile and recyclable strategy to intelligent capsules

C. Yuan, Y. Xu, N. Jiang, G. Chen, B. Xu, N. He<small xmlns="http://www.rsc.org/schema/rscart38"> <sup>§</sup> </small> and L. Dai, Soft Matter, 2011, 7, 3366 DOI: 10.1039/C0SM01128B

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