http://www.cnr.it/ontology/cnr/individuo/prodotto/ID176613
Lying-Down Metallic Single-Walled Carbon Nanotubes as Efficient Linkers for Metalloprotein-Based Nanodevices (Articolo in rivista)
- Type
- Label
- Lying-Down Metallic Single-Walled Carbon Nanotubes as Efficient Linkers for Metalloprotein-Based Nanodevices (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1166/jnn.2009.1435 (literal)
- Alternative label
Chiara Baldacchini (1,2); Salvatore Cannistraro (1) (2010)
Lying-Down Metallic Single-Walled Carbon Nanotubes as Efficient Linkers for Metalloprotein-Based Nanodevices
in Journal of nanoscience and nanotechnology (Print); American Scientific Publishers, Los Angeles (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Chiara Baldacchini (1,2); Salvatore Cannistraro (1) (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.ingentaconnect.com/content/asp/jnn/2010/00000010/00000004/art00075?token=003d1326ab6437a63736a6f3b4779213b6625245023766f642f4642341edd (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1) Biophysics and Nanoscience Centre and CNISM, Facoltà di Scienze, Università della Tuscia, Largo dell'Università, 01100 Viterbo, Italy;
2) Also at INFM-CNR (literal)
- Titolo
- Lying-Down Metallic Single-Walled Carbon Nanotubes as Efficient Linkers for Metalloprotein-Based Nanodevices (literal)
- Abstract
- Metalloproteins recently emerged as good candidates for signal transduction in bionanodevices,
but the feasibility of such novel devices is strongly connected to the achievement of an efficient
charge transport between single metalloproteins and metal electrodes. In this work, we propose
the use of metallic single-walled carbon nanotubes as efficient linkers between metalloproteins and
metal surfaces. By means of a conductive atomic force microscopy investigation, we compare the
conduction across single yeast cytochrome c molecules covalently bound both to bare gold and to
functionalized metallic single-walled carbon nanotubes lying on gold. At comparable forces applied
by the microscope tip (i.e., comparable physical contact), the measured current is higher when a
metallic single-walled carbon nanotubes is in between the metalloprotein and the gold surface. The
analysis of the single molecule current responses by means of a non-resonant tunneling transport
model suggests that the increasing in the conduction is due both to the strong electronic conjugation
existing at the nanotubes/gold interface and to the participation of the nanotube electronic bands to
the charge transport. (literal)
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