Graphene nanosheets modified glassy carbon electrode as a highly sensitive and selective voltammetric sensor for rutin

Du, Haijun, Ye, Jianshan, Zhang, Jiaqi, Huang, Xiaodan and Yu, Chengzhong (2010) Graphene nanosheets modified glassy carbon electrode as a highly sensitive and selective voltammetric sensor for rutin. Electroanalysis, 22 20: 2399-2406. doi:10.1002/elan.201000110


Author Du, Haijun
Ye, Jianshan
Zhang, Jiaqi
Huang, Xiaodan
Yu, Chengzhong
Title Graphene nanosheets modified glassy carbon electrode as a highly sensitive and selective voltammetric sensor for rutin
Journal name Electroanalysis   Check publisher's open access policy
ISSN 1040-0397
1521-4109
Publication date 2010-10-01
Sub-type Article (original research)
DOI 10.1002/elan.201000110
Volume 22
Issue 20
Start page 2399
End page 2406
Total pages 8
Place of publication Weinheim, Germany
Publisher Wiley - VCH Verlag
Language eng
Formatted abstract
Graphene nanosheets modified glassy carbon electrode (GNs/GCE) was fabricated as voltammetric sensor for rutin with good sensitivity, selectivity and reproducibility. The sensor exhibits an adsorption-controlled, reversible two-proton and two electron transfer reaction for the oxidation of rutin with a peak-to-peak separation (ΔEp) of 26 mV as revealed by cyclic voltammetry. Moreover, the redox peak current increased about 14 times than that on bare glassy carbon electrode (GCE). The linear response of the sensor is from 1×10−7 to 1×10−5 M with a detection limit of 2.1 × 10−8 M (S/N = 3). The method was successfully applied to determine rutin in tablets with satisfied recovery.
Keyword Rutin
Graphene nanosheets
Electrocatalysis
Sensors
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: ERA 2012 Admin Only
Australian Institute for Bioengineering and Nanotechnology Publications
 
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Created: Tue, 18 Oct 2011, 09:41:17 EST by Professor Chengzhong Yu on behalf of Aust Institute for Bioengineering & Nanotechnology