Theory of near-field detection of core-gold nanoshells inside biosystems (Articolo in rivista)

Type
Label
  • Theory of near-field detection of core-gold nanoshells inside biosystems (Articolo in rivista) (literal)
Anno
  • 2015-01-01T00:00:00+01:00 (literal)
Alternative label
  • D'Acunto M., Cricenti A., Luce M., Dinarelli S. (2015)
    Theory of near-field detection of core-gold nanoshells inside biosystems
    in Computer modelling and new technologies
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • D'Acunto M., Cricenti A., Luce M., Dinarelli S. (literal)
Pagina inizio
  • 29 (literal)
Pagina fine
  • 34 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.cmnt.lv/upload-files/ns_78art06.pdf (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 19 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • PuMa (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-ISTI, Pisa, Italy; CNR-ISM, Roma, Italy; CNR-ISM, Roma, Italy; CNR-ISM, Roma, Italy (literal)
Titolo
  • Theory of near-field detection of core-gold nanoshells inside biosystems (literal)
Abstract
  • Metal nanoshells composed by a dielectric core with a thin gold layer are stimulating growing interests due to the unique optical, electric and magnetic properties exhibited by the local field enhancement near the metal - dielectric core interface due to strong local plasmon resonance and the high tunability of such resonance as a function of shape and core-material. These unique characteristics have found promising applications in a wide range of areas, such as biosensing, optical communication and medicine. In this paper, we developed a theoretical and numerical simulation based on a near-field approach to study the possibility to identify nanoshells inside mouse cells. Taking advantage from the characteristic near-infrared transparency window of many biological systems, i.e. the low light absorption coefficient of biological systems between 750-1100nm, we show the possibility to identify and detect 100-150nm diameter gold nanoshells inside the animal cells. (literal)
  • In questo lavoro è stata simulata la risposta ottica di nanoparticelle con shell di oro e core dielettrico (nanoshells). Le nanoshells con opportune dimensioni (diametri 100-150nm) mostrano forti assorbimenti nell'infrarosso prossimoi dando la possibilità di essere rivelate in sistemi biologici, come le cellule animali, caratterizzati dalla cosiddetta finestra di trasparenza nell'intervallo 750-1100nm. (literal)
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