Electrical characterization of deoxyribonucleic acid hybridization in metal-oxide-semiconductor-like structures (Articolo in rivista)

Type
Label
  • Electrical characterization of deoxyribonucleic acid hybridization in metal-oxide-semiconductor-like structures (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4747452 (literal)
Alternative label
  • Libertino S, Cannella G, Aiello V, Busacca A, Lombardo S (2012)
    Electrical characterization of deoxyribonucleic acid hybridization in metal-oxide-semiconductor-like structures
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Libertino S, Cannella G, Aiello V, Busacca A, Lombardo S (literal)
Pagina inizio
  • 93703 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://apl.aip.org/resource/1/applab/v101/i9/p093703_s1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 101 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 9 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] CNR IMM Unita Catania, I-95121 Catania, Italy [ 2 ] Univ Palermo, DIEET, I-90128 Palermo, Italy (literal)
Titolo
  • Electrical characterization of deoxyribonucleic acid hybridization in metal-oxide-semiconductor-like structures (literal)
Abstract
  • In this work, metal-oxide-semiconductor (MOS)-like sensors in which deoxyribonucleic acid (DNA) strands are covalently immobilized either on Si oxide or on a gold surface were electrically characterized. Si oxide fabrication process allowed us to have a surface insensitive to the solution pH. A significant shift in the flat band voltage was measured after single strand DNA immobilization (+0.47 +/- 0.04 V) and after the complementary strand binding (+0.07 +/- 0.02 V). The results show that DNA sensing can be performed using a MOS structure which can be easily integrated in a more complex design, thus avoiding the problems related to the integration of micro-electrochemical cells. (literal)
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