期刊
COMPTES RENDUS CHIMIE
卷 13, 期 1-2, 页码 52-57出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crci.2009.04.005
关键词
Sol-gel; Bioencapsulation; Zirconium; Colloidal gel; Nanotoxicity
Zirconium oxyhydroxide nanoparticles prepared by an aqueous route were evaluated for Escherichia colt bacteria encapsulation. A low viability rate was measured 24 hours after immobilization that could be attributed to nanoparticle cytotoxicity Moreover, the presence of glycerol, a long-term cell-preserving molecule, hindered gel formation, probably due to its adsorption on the nanoparticle surface A comparison with boehmite and ferrihydrite gels previously synthesized following a similar aqueous colloidal route suggests that the generalization of this method will rely on a careful control of the nanoparticle surface reactivity and may require surface chemical modification. To cite this article: M. Amoura et al., C. R. Chimie 13 (2010). (C) 2009 Academic des sciences Published by Elsevier Masson SAS All rights reserved.
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