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Disposable Biosensor Based on Au Nanoparticles-Modified CdS Nanorod Arrays for Detection Cytochrome c

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Abstract:

A novel disposable biosensor is developed based on gold nanoparticles modified CdS nanorod arrays. The ordered CdS nanorod arrays firstly have been synthesized by a simple hydrothermal method. Then, the CdS nanorod arrays are modified by gold nanoparticles, which are directly fabricated into an electrode for detection of cytochrome c (Cyc) in solution without any pretreatment. The modified CdS nanorod arrays biosensor with the immense surface area and high electrical conductivity shows a good sensitivity and linear range. This method may be used to construct other electrochemical biosensors using aligned nanorod/nanowire films.

Keywords: CDS NANOROD ARRAYS; CYCLIC VOLTAMMETRY; CYTOCHROME C; GOLD NANOPARTICLES

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.5012

Publication date: December 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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