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Brightening gold nanoparticles: new sensing approach based on plasmon resonance energy transfer.


ABSTRACT: Scattering recovered plasmonic resonance energy transfer (SR-PRET) was reported by blocking the plasmon resonance energy transfer (PRET) from gold nanoparticle (GNP) to the adsorbed molecules (RdBS). Due to the selective cleavage of the Si-O bond by F- ions, the quenching is switched off causing an increase in the brightness of the GNPs,detected using dark-field microscopy (DFM) were brightened. This method was successfully applied to the determination of fluoride ions in water. The SR-PRET provides a potential approach for a vitro/vivo sensing with high sensitivity and selectivity.

SUBMITTER: Shi L 

PROVIDER: S-EPMC4650782 | biostudies-literature |

REPOSITORIES: biostudies-literature

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