Peptide nucleic acids tagged with four lysine residues for amperometric genosensors. (Articolo in rivista)

Type
Label
  • Peptide nucleic acids tagged with four lysine residues for amperometric genosensors. (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.4161/adna.20777 (literal)
Alternative label
  • Zanardi, Chiara; Terzi, Fabio; Seeber, Renato; Baldoli, Clara; Licandro, Emanuela; Maiorana, Stefano (2012)
    Peptide nucleic acids tagged with four lysine residues for amperometric genosensors.
    in Artificial DNA, PNA & XNA (Online); Landes Bioscience,, Austin, Texas (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Zanardi, Chiara; Terzi, Fabio; Seeber, Renato; Baldoli, Clara; Licandro, Emanuela; Maiorana, Stefano (literal)
Pagina inizio
  • 80 (literal)
Pagina fine
  • 87 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 3 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Chimica, Universita degli Studi di Modena e Reggio Emilia, Modena, Italy. Dipartimento di Chimica, Universita degli Studi di Milano, Italy. CNR-ISTM. Milano, Italy (literal)
Titolo
  • Peptide nucleic acids tagged with four lysine residues for amperometric genosensors. (literal)
Abstract
  • A homothymine PNA decamer bearing four lysine residues has been synthesized as a probe for the development of amperometric sensors. On one hand, the four amino groups introduced make this derivative nine times more soluble than the corresponding homothymine PNA decamer and, on the other hand, allow the stable anchoring of this molecule on Au nanostructured surface through the terminal -NH 2 moieties. In particular, XPS and electrochemical investigations performed with hexylamine, as a model molecule, indicate that the stable deposition of primary amine derivatives on such a nanostructured surface is possible and involves the free electron doublet on the nitrogen atom. This finding indicates that this PNA derivative is suitable to act as the probe molecule for the development of amperometric sensors. Thanks to the molecular probe chosen and to the use of a nanostructured surface as the substrate for the sensor assembly, the device proposed makes possible the selective recognition of the target oligonucleotide sequence with very high sensitivity. (literal)
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