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Photothermal Absorption Correlation Spectroscopy

hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorOCTEAU, Vivien
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorCOGNET, Laurent
hal.structure.identifierCentre for Nanoscale Science
dc.contributor.authorDUCHESNE, Laurence
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorLASNE, David
hal.structure.identifierCentre for Nanoscale Science
dc.contributor.authorSCHAEFFER, Nicolas
hal.structure.identifierCentre for Nanoscale Science
dc.contributor.authorFERNIG, David G.
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorLOUNIS, Brahim
dc.date.created2008-11-14
dc.date.issued2009-02-24
dc.identifier.issn1936-0851
dc.description.abstractEnFluorescence correlation spectroscopy (FCS) is a popular technique, complementary to cell imaging for the investigation of dynamic processes in living cells. Based on fluorescence, this single molecule method suffers from artifacts originating from the poor fluorophore photophysics: photobleaching, blinking, and saturation. To circumvent these limitations we present here a new correlation method called photothermal absorption correlation spectroscopy (PhACS) which relies on the absorption properties of tiny nano-objects. PhACS is based on the photothermal heterodyne detection technique and measures akin FCS, the time correlation function of the detected signals. Application of this technique to the precise determination of the hydrodynamic sizes of different functionalized gold nanoparticles are presented, highlighting the potential of this method.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.subject.enphotothermal detection
dc.subject.encorrelation spectroscopy
dc.subject.ensingle molecule
dc.subject.engold nanoparticles
dc.title.enPhotothermal Absorption Correlation Spectroscopy
dc.typeArticle de revue
dc.identifier.doi10.1021/nn800771m
bordeaux.journalACS Nano
bordeaux.page345-350
bordeaux.volume3
bordeaux.issue2
bordeaux.peerReviewedoui
hal.identifierhal-00506394
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00506394v1
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