Sol–gel derived nano-structured zinc oxide film for sexually transmitted disease sensor

文献情報

出版日 2009-03-06

DOI 10.1039/B817562D

インパクトファクター 4.616

著者

Anees A. Ansari, Renu Singh, G. Sumana, B. D. Malhotra

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要旨

A 20-mer thiolated oligonucleotide probe (th-ssDNA) specific to Neisseria gonorrhoeae immobilized onto a sol–gel derived nano-structured zinc oxide (ZnO) film dip-coated onto an indium-tin-oxide (ITO) glass substrate has been used for the fabrication of a DNA biosensor for sexually transmitted disease (gonorrhoea) detection using hybridization technique. The results of characterization studies carried out on this th-ssDNA–ZnO/ITO bioelectrode using X-ray diffraction, UV-Visible, Fourier-transform infrared, scanning electron microscopy and electrochemical techniques reveal the linearity as 0.000524 fmol–0.524 nmol, with a detection limit of 0.000704 fmol within 60 s.

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CiteScore: 7.8

自己引用率: 5.6%

年間論文数: 653

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Sol–gel derived nano-structured zinc oxide film for sexually transmitted disease sensor

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