Artículo
Measuring nanoparticle-induced resonance energy transfer effect by electrogenerated chemiluminescent reactions
Autor/es | Pérez Tejeda, María del Pilar
Martínez Delgado, Alberto Grueso Molina, Elia María Giráldez Pérez, Rosa María |
Departamento | Universidad de Sevilla. Departamento de Química Física |
Fecha de publicación | 2020 |
Fecha de depósito | 2022-07-22 |
Publicado en |
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Resumen | Electrogenerated chemiluminescence (ECL) efficiencies, redox potentials, photoluminescent (PL) (quenching and coupling) effects, and AFM images for the [Ru(bpy)3]2+/Au@tiopronin system were determined in aqueous solutions ... Electrogenerated chemiluminescence (ECL) efficiencies, redox potentials, photoluminescent (PL) (quenching and coupling) effects, and AFM images for the [Ru(bpy)3]2+/Au@tiopronin system were determined in aqueous solutions of the gold nanoparticles (NPs) at pH 7.0. The most remarkable finding was that ECL measurements can display the nanoparticle-induced resonance energy transfer (NP-RET) effect. Its effectiveness was quantified through a coefficient, K(NP-RET)ECL, which measures how much an ECL reaction has been enhanced. Moreover, the NP-RET effect was also checked using PL measurements, in such a way that a coefficient, K(NP-RET)PL, was determined; both constants, K(NP-RET)ECL and K(NP-RET)PL being in close agreement. It is important to highlight the fact that the NP-RET effect is only displayed in diluted solutions in which there is no NPs self-aggregation. The existence of the NPs self-aggregation behavior is revealed through AFM measurements. |
Agencias financiadoras | Universidad de Sevilla Junta de Andalucía |
Identificador del proyecto | 2017/00001066-1804031602
2018/00000502-1804031703 1804032996/2017-2018/00000810 |
Cita | Pérez Tejeda, M.d.P., Martínez Delgado, A., Grueso Molina, E.M. y Giráldez Pérez, R.M. (2020). Measuring nanoparticle-induced resonance energy transfer effect by electrogenerated chemiluminescent reactions. RSC Advances, 10 (7), 3861-3871. |
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