Issue 21, 2001
From the journal:

Chemical Communications

Permeability of micelles in surfactant-containing MCM-41 silica as monitored by embedded dye molecules

B. Onida,a   B. Bonelli,a   L. Flora,a   F. Geobaldo,a   C. Otero Areanb  and  E. Garrone*a  

* Corresponding authors

a Dipartimento di Scienza dei Materiali e Ingegneria Chimica, Corso Duca degli Abruzzi, Torino, Italy.
E-mail: garrone@athena.polito.it

b Departamento de Química, Universidad de las Islas Baleares, Palma de Mallorca, Spain

Abstract

Mesoporous (MCM-41 type) silica containing surfactant-embedded Congo Red has been prepared and tested against gas phase HCl and ammonia, as well as solutions of ionic species; it is shown that the hybrid (organic–inorganic) material is permeable to both gases and ionic species, and can act as a pH indicator and as a selective chelating agent.

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Article information

DOI
https://doi.org/10.1039/B105261F
Article type
Communication
Submitted
14 Jun 2001
Accepted
24 Sep 2001
First published
11 Oct 2001

Chem. Commun., 2001, 2216-2217

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Permeability of micelles in surfactant-containing MCM-41 silica as monitored by embedded dye molecules

B. Onida, B. Bonelli, L. Flora, F. Geobaldo, C. O. Arean and E. Garrone, Chem. Commun., 2001, 2216 DOI: 10.1039/B105261F

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