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Electrical detection of hybridization and threading intercalation of deoxyribonucleic acid using carbon nanotube network field-effect transistors

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Electrical detection of hybridization and threading intercalation of deoxyribonucleic acid using carbon nanotube network field-effect transistors

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dc.contributor.author Gui, Ee Ling
dc.contributor.author Li, Lain-Jong
dc.contributor.author Lee, Pooi See
dc.contributor.author Lohani, Anup
dc.contributor.author Mhaisalkar, Subodh Gautam
dc.contributor.author Cao, Qing
dc.contributor.author Kang, Seong Jun
dc.contributor.author Rogers, John A.
dc.contributor.author Tansil, Natalia Chendrawati
dc.contributor.author Gao, Zhiqiang
dc.date.accessioned 2012-05-18T07:08:45Z
dc.date.available 2012-05-18T07:08:45Z
dc.date.copyright 2006
dc.date.issued 2012-05-18
dc.identifier.citation Gui, E. L., Li, L. J., Lee, P. S., Lohani, A., Mhaisalkar, S. G., Cao, Q., et al. (2006). Electrical detection of hybridization and threading intercalation of deoxyribonucleic acid using carbon nanotube network field effect transistors. Applied physics letters, 89(23).
dc.identifier.uri http://hdl.handle.net/10220/8095
dc.description.abstract The authors study deoxyribonucleic acid (DNA) sensing characteristics of carbon nanotube network field-effect transistors (CNNFETs) by monitoring their electrical responses upon immobilization with a DNA probe, hybridization with DNA analytes, and intercalation with a N,N'-bis(3-propylimidazole)-1,4,5,8-naphthalene diimide modified with Os(2,2'-bipyridine)2Cl+ pendants. The CNNFETs immobilized by single-stranded DNA molecules demonstrate the selective sensing of its complementary and single-base mismatched DNA (difference of ~16% in reduction of normalized drain current Id). Subsequent intercalation demonstrates a further sensitivity enhancement (difference of ~13% in Id reduction due to specific binding between hybridized DNA and intercalators, corroborated by the x-ray photoelectron spectroscopy study.
dc.format.extent 3 p.
dc.language.iso en
dc.relation.ispartofseries Applied physics letters
dc.rights © 2006 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official URL: http://dx.doi.org/10.1063/1.2399355. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
dc.subject DRNTU::Engineering::Materials::Nanostructured materials.
dc.title Electrical detection of hybridization and threading intercalation of deoxyribonucleic acid using carbon nanotube network field-effect transistors
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1063/1.2399355
dc.description.version Published version

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