Near-Infrared Light-Excited Reactive Oxygen Species Generation by Thulium Oxide Nanoparticles.
J Am Chem Soc
; 144(6): 2455-2459, 2022 02 16.
Article
em En
| MEDLINE
| ID: mdl-35118859
ABSTRACT
Exploring materials that can absorb near-infrared (NIR) light to produce reactive oxygen species (ROS) is necessary for many fields. Herein we show that thulium oxide nanoparticles are viable for NIR-stimulated ROS generation. This property may be related to the unique energy levels, large absorption cross section, low fluorescence emission, and â¼10-3 s lifetime of the 3H4 state of Tm ions. We further demonstrate the impact of these nanoparticles on photodynamic therapy (PDT), in which impressive tumor inhibition was recorded after exposure to either a broadband halogen lamp or an 808 nm laser. Our results may provide insight into the areas of photocatalysis, pollution treatment, and fine chemical synthesis.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Radiossensibilizantes
/
Túlio
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Espécies Reativas de Oxigênio
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Nanopartículas Metálicas
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Neoplasias
Limite:
Animals
Idioma:
En
Ano de publicação:
2022
Tipo de documento:
Article