| Autor: |
Piersandro Pallavicini, Barbara Bassi, Giuseppe Chirico, Maddalena Collini, Giacomo Dacarro, Emiliano Fratini, Pietro Grisoli, Maddalena Patrini, Laura Sironi, Angelo Taglietti, Marcel Moritz, Ioritz Sorzabal-Bellido, Arturo Susarrey-Arce, Edward Latter, Alison J. Beckett, Ian A. Prior, Rasmita Raval, Yuri A. Diaz Fernandez |
| Jazyk: |
angličtina |
| Rok vydání: |
2017 |
| Předmět: |
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| Zdroj: |
Scientific Reports, Vol 7, Iss 1, Pp 1-10 (2017) |
| Druh dokumentu: |
article |
| ISSN: |
2045-2322 |
| DOI: |
10.1038/s41598-017-05693-3 |
| Popis: |
Abstract Photo-responsive antibacterial surfaces combining both on-demand photo-switchable activity and sustained biocidal release were prepared using sequential chemical grafting of nano-objects with different geometries and functions. The multi-layered coating developed incorporates a monolayer of near-infrared active silica-coated gold nanostars (GNS) decorated by silver nanoparticles (AgNP). This modular approach also enables us to unravel static and photo-activated contributions to the overall antibacterial performance of the surfaces, demonstrating a remarkable synergy between these two mechanisms. Complementary microbiological and imaging evaluations on both planktonic and surface-attached bacteria provided new insights on these distinct but cooperative effects. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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