A molecular thermometer for nanoparticles for optical hyperthermia.
Nano Lett
; 13(5): 2004-10, 2013 May 08.
Article
en En
| MEDLINE
| ID: mdl-23611425
ABSTRACT
We developed an all-optical method to measure the temperature on gold (nanorods and nanostars) and magnetite nanoparticles under near-infrared and radiofrequency excitation by monitoring the excited state lifetime of Rhodamine B that lies within =/~20 nm from the nanoparticle surface. We reached high temperature sensitivity (0.029 ± 0.001 ns/°C) and low uncertainty (±0.3 °C). Gold nanostars are =/~3 and =/~100 times more efficient than gold nanorods and magnetite nanoparticles in inducing localized hyperthermia.
Texto completo:
1
Bases de datos:
MEDLINE
Asunto principal:
Temperatura
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Nanopartículas del Metal
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Nanopartículas de Magnetita
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Oro
Idioma:
En
Revista:
Nano Lett
Año:
2013
Tipo del documento:
Article
País de afiliación:
Italia