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Use of nanomaterials for impedimetric DNA sensors : a review
Bonanni, Alessandra (Universitat Autònoma de Barcelona. Grup Sensors i Biosensors)
Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)

Data: 2010
Resum: This review presents the state of the art of DNA sensors (or genosensors) that utilize electrochemical impedance spectroscopy as the transduction technique. As issue of current interest, it is centered on the use of nanomaterials to develop or to improve performance of these specific biosensors. It will describe the different principles that may be employed in the measuring step and the different formats adopted for detection of a DNA sequence or confirmation or amplification of the finally obtained signal. The use of nanomaterials for the above listed aspects, viz. the use of carbon nanotubes or other nanoscopic elements in the construction of the electrodes, or the use of nanoparticles, mainly gold or quantum dots, for signal enhancement will be fully revised.
Nota: Número d'acord de subvenció MCYT/CSD2006-00012
Nota: Número d'acord de subvenció MCYT/TEC2007-68012-C03-02/MIC
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; recerca ; acceptedVersion
Matèria: Biosensor ; Genosensor ; Carbon nanotube ; Gold nanoparticles ; Quantum dots ; Electrochemical impedance spectroscopy
Publicat a: Analytica chimica acta, Vol. 678, Issue 1 (Sep 2010) , p. 7-17, ISSN 0003-2670

DOI: 10.1016/j.aca.2010.08.022

31 p, 1.9 MB

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