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Crystallography facet-dependent antibacterial activity / Jia Ren in Industrial & engineering chemistry research, Vol. 50 N° 17 (Septembre 2011) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 50 N° 17 (Septembre 2011) . - pp. 10366-10369 Titre : Crystallography facet-dependent antibacterial activity : the case of Cu2O Type de document : texte imprimé Auteurs : Jia Ren, Auteur ; Wenzhong Wang, Auteur ; Songmei Sun, Auteur Année de publication : 2011 Article en page(s) : pp. 10366-10369 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Crystallography Résumé : The dependence of antibacterial activities on different crystallography facets has been demonstrated by taking Cu2O crystals as an example. Owing to the different atomic arrangement of the exposed surfaces, Cu2O octahedral crystals bounded by {111} facets exhibited higher activity in killing E. coli than cubic ones bounded by {100} facets. Zeta potential measurement demonstrated that the electrostatic interaction between E. coli and octahedral crystals was more profitable in inactivating bacteria than that between E. coli and cubic ones. Moreover, the suspending medium, where the bactericidal process takes place, has been found to play a crucial role on the bactericidal efficiency. This work presents a way for the sterilization or killing of bacteria efficiently and selectively. DEWEY : 660 ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie2005466 [article] Crystallography facet-dependent antibacterial activity : the case of Cu2O [texte imprimé] / Jia Ren, Auteur ; Wenzhong Wang, Auteur ; Songmei Sun, Auteur . - 2011 . - pp. 10366-10369. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 50 N° 17 (Septembre 2011) . - pp. 10366-10369 Mots-clés : Crystallography Résumé : The dependence of antibacterial activities on different crystallography facets has been demonstrated by taking Cu2O crystals as an example. Owing to the different atomic arrangement of the exposed surfaces, Cu2O octahedral crystals bounded by {111} facets exhibited higher activity in killing E. coli than cubic ones bounded by {100} facets. Zeta potential measurement demonstrated that the electrostatic interaction between E. coli and octahedral crystals was more profitable in inactivating bacteria than that between E. coli and cubic ones. Moreover, the suspending medium, where the bactericidal process takes place, has been found to play a crucial role on the bactericidal efficiency. This work presents a way for the sterilization or killing of bacteria efficiently and selectively. DEWEY : 660 ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie2005466