Controllable one step copper coating on carbon nanofibers for flexible cholesterol biosensor substrates

Title
Controllable one step copper coating on carbon nanofibers for flexible cholesterol biosensor substrates
Authors
Bharat Bajaj조한익조성무Gurpreet KaurAnjali SharmaMonika TomarVinay Gupta이성호
Keywords
Carbon nanofiber; Biosensor; Flexible substrate; Cholesterol sensor; Copper coating
Issue Date
2016-01
Publisher
Journal of materials chemistry. B, Materials for biology and medicine
Citation
VOL 4, 229-236
Abstract
Electrospun carbon nanofibers (CNFs) decorated with copper oxide nanoparticles were successfully synthesized using a one step and modified hydroxyl ion assisted alcohol reduction method. The X-ray diffraction pattern reveals the presence of (−111), (111) and (−202) crystal planes of monoclinic copper oxide (CuO). The CuO coated CNF air annealed at 250 °C exhibited an electrical conductivity of 251 S m−1. The CuO coated CNFs were employed as a novel flexible matrix for a cholesterol biosensor. The biosensor exhibited a high sensitivity of 75 μA mM−1 cm−2 over the linear range (0.12 mM to 12.93 mM) of cholesterol. This coating method offers easy and inexpensive processing with a flexible and robust supporting structure for biosensing applications.
URI
http://pubs.kist.re.kr/handle/201004/58424
ISSN
2050750x
Appears in Collections:
KIST Publication > Article
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