Article ; Online: Photothermal therapeutic ability of copper open-shell nanostructures that are effective in the second biological transparency window based on symmetry breaking-induced plasmonic properties.
Journal of materials chemistry. B
2023 Volume 11, Issue 29, Page(s) 6837–6852
Abstract: In this study, a photothermal therapy agent that works efficiently in the second biological transparency window was developed based on the localized surface plasmon (LSP) resonance of symmetry-broken open-shell nanostructures of low-cost Cu (CuOSNs). The ...
| Abstract | In this study, a photothermal therapy agent that works efficiently in the second biological transparency window was developed based on the localized surface plasmon (LSP) resonance of symmetry-broken open-shell nanostructures of low-cost Cu (CuOSNs). The strong LSP resonance and superior photothermal conversion ability in the second biological transparency window were achieved by generating the dipolar bonding mode due to the plasmon hybridization between the nanoshell dipole and the nanohole dipole at the opening edge in CuOSNs derived from the symmetry breaking of a Cu nanoshell. Oxidative dissolution of CuOSNs in water was significantly suppressed by successive coating with the self-assembled monolayer of 16-mercaptohexadecanoic acid and a thin silica layer. Furthermore, the stability in phosphate buffered saline, which models the biological environment, was attained by further coating the nanoparticles with polyethylene glycol. It was demonstrated from |
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| MeSH term(s) | Humans ; Copper/pharmacology ; Copper/chemistry ; HeLa Cells ; Nanostructures/chemistry ; Nanoparticles ; Polyethylene Glycols/chemistry |
| Chemical Substances | Copper (789U1901C5) ; Polyethylene Glycols (3WJQ0SDW1A) |
| Language | English |
| Publishing date | 2023-07-26 |
| Publishing country | England |
| Document type | Journal Article ; Research Support, Non-U.S. Gov't |
| ZDB-ID | 2702241-9 |
| ISSN | 2050-7518 ; 2050-750X |
| ISSN (online) | 2050-7518 |
| ISSN | 2050-750X |
| DOI | 10.1039/d3tb00443k |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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