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Au decorated ZnO thin film: application to DNA sensing

Here we reported the gold nanoparticles (GNPs) decorated ZnO thin films based biosensor for the detection of pork DNA hybridization. Label-free DNA detection is increasingly important in bio diagnostics, food analysis and forensic investigations. The capacitance, permittivity and impedance prof...

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Main Authors: Foo, K. L., Hashim, U., Voon, C. H., Mohammad, Kashif, Md. Eaqub, Ali
Format: E-Article
Language:English
Published: Springer Berlin Heidelberg 2016
Subjects:
T Technology (General)
Online Access:http://ir.unimas.my/id/eprint/10321/1/NO%2020%20Au%20decorated%20ZnO%20thin%20film%209abstract%29.pdf
http://ir.unimas.my/id/eprint/10321/
http://link.springer.com/article/10.1007%2Fs00542-015-2572-x
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spelling my.unimas.ir.103212016-10-21T01:34:27Z http://ir.unimas.my/id/eprint/10321/ Au decorated ZnO thin film: application to DNA sensing Foo, K. L. Hashim, U. Voon, C. H. Mohammad, Kashif Md. Eaqub, Ali T Technology (General) Here we reported the gold nanoparticles (GNPs) decorated ZnO thin films based biosensor for the detection of pork DNA hybridization. Label-free DNA detection is increasingly important in bio diagnostics, food analysis and forensic investigations. The capacitance, permittivity and impedance profiles of the biosensor clearly differentiated the complementary and non-complementary target DNA detection using low-cost dielectric analyzer. In this study, GNPs were used to create an attachment surface between the ZnO thin films and the thiol-modified probe DNA and to enhance the sensitivity of the biosensor up to ~59 %. The ZnO thin films and 35 ± 5 nm in diameters of GNP-coating on their surfaces were confirmed with various types of measurement such as FESEM, XRD, EDX and UV–Vis spectroscopy. Springer Berlin Heidelberg 2016 E-Article PeerReviewed text en http://ir.unimas.my/id/eprint/10321/1/NO%2020%20Au%20decorated%20ZnO%20thin%20film%209abstract%29.pdf Foo, K. L. and Hashim, U. and Voon, C. H. and Mohammad, Kashif and Md. Eaqub, Ali (2016) Au decorated ZnO thin film: application to DNA sensing. Microsystem Technologies, 22 (4). pp. 903-910. ISSN 1432-1858 http://link.springer.com/article/10.1007%2Fs00542-015-2572-x DOI 10.1007/s00542-015-2572-x
institution Universiti Malaysia Sarawak
building Centre for Academic Information Services (CAIS)
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sarawak
content_source UNIMAS Institutional Repository
url_provider http://ir.unimas.my/
language English
topic T Technology (General)
spellingShingle T Technology (General)
Foo, K. L.
Hashim, U.
Voon, C. H.
Mohammad, Kashif
Md. Eaqub, Ali
Au decorated ZnO thin film: application to DNA sensing
description Here we reported the gold nanoparticles (GNPs) decorated ZnO thin films based biosensor for the detection of pork DNA hybridization. Label-free DNA detection is increasingly important in bio diagnostics, food analysis and forensic investigations. The capacitance, permittivity and impedance profiles of the biosensor clearly differentiated the complementary and non-complementary target DNA detection using low-cost dielectric analyzer. In this study, GNPs were used to create an attachment surface between the ZnO thin films and the thiol-modified probe DNA and to enhance the sensitivity of the biosensor up to ~59 %. The ZnO thin films and 35 ± 5 nm in diameters of GNP-coating on their surfaces were confirmed with various types of measurement such as FESEM, XRD, EDX and UV–Vis spectroscopy.
format E-Article
author Foo, K. L.
Hashim, U.
Voon, C. H.
Mohammad, Kashif
Md. Eaqub, Ali
author_facet Foo, K. L.
Hashim, U.
Voon, C. H.
Mohammad, Kashif
Md. Eaqub, Ali
author_sort Foo, K. L.
title Au decorated ZnO thin film: application to DNA sensing
title_short Au decorated ZnO thin film: application to DNA sensing
title_full Au decorated ZnO thin film: application to DNA sensing
title_fullStr Au decorated ZnO thin film: application to DNA sensing
title_full_unstemmed Au decorated ZnO thin film: application to DNA sensing
title_sort au decorated zno thin film: application to dna sensing
publisher Springer Berlin Heidelberg
publishDate 2016
url http://ir.unimas.my/id/eprint/10321/1/NO%2020%20Au%20decorated%20ZnO%20thin%20film%209abstract%29.pdf
http://ir.unimas.my/id/eprint/10321/
http://link.springer.com/article/10.1007%2Fs00542-015-2572-x
_version_ 1644510931906985984
score 13.244745

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