Isaacs, MA;
Durndell, LJ;
Hilton, AC;
Olivi, L;
Parlett, CMA;
Wilson, K;
Lee, AF;
(2017)
Tunable Ag@SiO2 core-shell nanocomposites for broad spectrum antibacterial applications.
RSC Advances
, 7
(38)
pp. 23342-23347.
10.1039/c7ra03131a.
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Abstract
Silica encapsulated silver nanoparticle core–shell nanocomposites of tunable dimensions were synthesised via a one-pot reverse microemulsion route to achieve controlled release of Ag+ ions for broad spectrum antibacterial application. Silver release rates and bactericidal efficacy against Gram-positive and Gram-negative bacteria, S. aureus and P. aeruginosa respectively, were inversely proportional to nanoparticle core diameter (3–8 nm) and silica shell (7–14 nm) thickness, and readily tuned through a facile hydrothermal etching protocol employing a PVP stabiliser to introduce mesoporosity.
| Type: | Article |
|---|---|
| Title: | Tunable Ag@SiO2 core-shell nanocomposites for broad spectrum antibacterial applications |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1039/c7ra03131a |
| Publisher version: | http://dx.doi.org/10.1039/c7ra03131a |
| Language: | English |
| Additional information: | This article is licensed under a Creative Commons Attribution 3.0 Unported Licence (http://creativecommons.org/licenses/by/3.0/). |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10053333 |
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