Issue 34, 2009
From the journal:

Chemical Communications

Dialysis process for the removal of surfactants to form colloidal mesoporous silica nanoparticles†

Chihiro Urata,a   Yuko Aoyama,a   Akihisa Tonegawa,a   Yusuke Yamauchiabc  and  Kazuyuki Kuroda*a  

* Corresponding authors

a Faculty of Science & Engineering, Waseda University, Ohkubo 3-4-1, Shinjuku, Tokyo 169-8555, Japan
E-mail: kuroda@waseda.jp
Fax: +81-3-5286-3199
Tel: +81-3-5286-3199

b World Premier International (WPI) Research Center, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Ibaraki 305-0047, Japan

c Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Kawaguchi-shi, Saitama 332-0012, Japan

Abstract

Colloidal mesoporous silica nanoparticles less than 20 nm in diameter are prepared by dialysis; this simple surfactant removal route can avoid aggregation by sedimentation–redispersion and remove cationic surfactants while retaining the original colloidal state, which is applicable to the preparation of primary nanoparticles carrying a functional organic substance.

Graphical abstract: Dialysis process for the removal of surfactants to form colloidal mesoporous silica nanoparticles

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Article information

DOI
https://doi.org/10.1039/B908625K
Article type
Communication
Submitted
30 Apr 2009
Accepted
15 Jul 2009
First published
29 Jul 2009

Chem. Commun., 2009, 5094-5096

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Dialysis process for the removal of surfactants to form colloidal mesoporous silica nanoparticles

C. Urata, Y. Aoyama, A. Tonegawa, Y. Yamauchi and K. Kuroda, Chem. Commun., 2009, 5094 DOI: 10.1039/B908625K

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