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Hierarchically driven IrO 2 nanowire electrocatalysts for direct sensing of biomolecules

Title
Hierarchically driven IrO 2 nanowire electrocatalysts for direct sensing of biomolecules
Authors
Shim J.H.Lee Y.Kang M.Lee J.Baik J.M.Lee C.Kim M.H.
Ewha Authors
이종목이영미김명화
SCOPUS Author ID
이종목scopus; 이영미scopus; 김명화scopus
Issue Date
2012
Journal Title
Analytical Chemistry
ISSN
0003-2700JCR Link
Citation
vol. 84, no. 8, pp. 3827 - 3832
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Applying nanoscale device fabrications toward biomolecules, ultra sensitive, selective, robust, and reliable chemical or biological microsensors have been one of the most fascinating research directions in our life science. Here we introduce hierarchically driven iridium dioxide (IrO 2) nanowires directly on a platinum (Pt) microwire, which allows a simple fabrication of the amperometric sensor and shows a favorable electronic property desired for sensing of hydrogen peroxide (H 2O 2) and dihydronicotinamide adenine dinucleotide (NADH) without the aid of enzymes. This rational engineering of a nanoscale architecture based on the direct formation of the hierarchical 1-dimensional (1-D) nanostructures on an electrode can offer a useful platform for high-performance electrochemical biosensors, enabling the efficient, ultrasensitive detection of biologically important molecules. © 2012 American Chemical Society.
DOI
10.1021/ac300573b
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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