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EnglishHalloysite clay nanotubes are functionalized by exploiting the different charges between the inner positive and the outer negative surfaces; accordingly, a selective adsorption is pursued by employing anionic and cationic surfactants. The obtained hybrid materials dispersed in aqueous phase are studied from the physicochemical viewpoint to investigate the colloidal stability that is a crucial parameter for applications. It is demonstrated that the adsorption of anionic surfactant into the HNTs lumen increases the net negative charge of the nanotubes enhancing the electrostatic repulsions and consequently the dispersion stability. The solubilization capability of these functionalized nanotubes toward hydrophobic compounds is demonstrated. This paper puts forward an easy strategy to prepare hybrid materials, like inorganic micelles, that can be used in water for solubilization and delivery of a hydrophobic compound by taking advantage of the sustainable and biocompatible properties.
Cavallaro, G., Lazzara, G., & Milioto, S. (2012). Exploiting the Colloidal Stability and Solubilization Ability of Clay Nanotubes/Ionic Surfactant Hybrid Nanomaterials. JOURNAL OF PHYSICAL CHEMISTRY. C, 116(116), 21932-21938.
| Data di pubblicazione: | 2012 | |
| Titolo: | Exploiting the Colloidal Stability and Solubilization Ability of Clay Nanotubes/Ionic Surfactant Hybrid Nanomaterials | |
| Autori: | ||
| Citazione: | Cavallaro, G., Lazzara, G., & Milioto, S. (2012). Exploiting the Colloidal Stability and Solubilization Ability of Clay Nanotubes/Ionic Surfactant Hybrid Nanomaterials. JOURNAL OF PHYSICAL CHEMISTRY. C, 116(116), 21932-21938. | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/dx.doi.org/10.1021/jp307961q | |
| Settore Scientifico Disciplinare: | Settore CHIM/02 - Chimica Fisica | |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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http://hdl.handle.net/10447/66233
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