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Baik, Jeong Min
Nano Energy and Environmental Materials Lab
Research Interests
  • Nanogenerators, antimicrobial material, catalysis, smart sensors

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Hierarchically Driven IrO2 Nanowire Electrocatalysts for Direct Sensing of Biomolecules

Cited 12 times inthomson ciCited 10 times inthomson ci
Title
Hierarchically Driven IrO2 Nanowire Electrocatalysts for Direct Sensing of Biomolecules
Author
Shim, Jun HoLee, YuminKang, MinkyungLee, JaeyeonBaik, Jeong MinLee, YoungmiLee, ChongmokKim, Myung Hwa
Keywords
Dinucleotides; Direct sensing; Electrochemical biosensor; Iridium dioxide; Life-sciences; Microwire; Nanoscale architectures; Nanoscale device fabrication; Research directions; Ultrasensitive detection
Issue Date
201204
Publisher
AMER CHEMICAL SOC
Citation
ANALYTICAL CHEMISTRY, v.84, no.8, pp.3827 - 3832
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 (IrO2) 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 (H2O2) 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.
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DOI
http://dx.doi.org/10.1021/ac300573b
ISSN
0003-2700
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