Photothermal effects in connective tissues mediated by laser-activated gold nanorods (Articolo in rivista)

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Label
  • Photothermal effects in connective tissues mediated by laser-activated gold nanorods (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.nano.2008.10.002 (literal)
Alternative label
  • Fulvio Ratto; Paolo Matteini; Francesca Rossi; Luca Menabuoni; Neha Tiwari; Sulabha K. Kulkarni; Roberto Pini (2009)
    Photothermal effects in connective tissues mediated by laser-activated gold nanorods
    in Nanomedicine
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fulvio Ratto; Paolo Matteini; Francesca Rossi; Luca Menabuoni; Neha Tiwari; Sulabha K. Kulkarni; Roberto Pini (literal)
Pagina inizio
  • 143 (literal)
Pagina fine
  • 151 (literal)
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  • Highlight in Nature Nanotechnology: 'Gold nanorods: seal tissues', Chun A L doi:10.1038/nnano.2009.52 (2009) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 5 (literal)
Rivista
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  • Articolo citato in Research Highlights, Nature Nanotechnology, Published online: 27 February 2009 doi:10.1038/nnano.2009.52 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Note
  • Scopu (literal)
  • Google Scholar (literal)
  • ISI Web of Science (WOS) (literal)
  • PubMe (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Fisica Applicata, Consiglio Nazionale delle Ricerche, Sesto Fiorentino, Italy Unità Operativa Oculistica, Azienda USL 4, Prato, Italy DST Unit on Nanoscience, Department of Physics, University of Pune, Pune, India (literal)
Titolo
  • Photothermal effects in connective tissues mediated by laser-activated gold nanorods (literal)
Abstract
  • We report a study on the application of laser-activated nanoparticles in the direct welding of connective tissues, which may become a valuable technology in biomedicine. We use colloidal gold nanorods as new near-infrared chromophores to mediate functional photothermal effects in the eye lens capsules. Samples obtained ex vivo from porcine eyes are treated to simulate heterotransplants with 810-nm diode laser radiation in association with a stain of gold nanorods of aspect ratio approximately 4. This stain is applied at the interface between a patch of capsule from a donor eye and the capsule of a recipient eye. Then, by administration of laser pulses of 40 msec and approximately 100-140 J/cm2, we achieved the local denaturation of the endogenous collagen filaments, which reveals that the treated area reached temperatures above 50°C. The thermal damage is confined within 50-70 ?m in a radial distance from the irradiated area. (literal)
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