A novel ultrasensitive electrochemical sensor based on NiCo2O4 nanosuperstrutures for 6-benzylaminopurine determination

Yan Huixiang; Zhang Qingrong; Gong Lingshan; Xu Guifang; Zhang Shupei; LI Yilin; Chen Sihong; Dai Hong

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A novel ultrasensitive electrochemical sensor based on NiCo2O4 nanosuperstrutures for 6-benzylaminopurine determination

Yan Huixiang #,Zhang Qingrong,Gong Lingshan,Xu Guifang,Zhang Shupei,LI Yilin,Chen Sihong,Dai Hong *

College of Chemistry and Chemical Engineering, Fujian Normal University, Fuzhou, Fujian, 350007

*Correspondence author

#Submitted by

Subject:

Funding: NSFC （No.21205016）, National Science Foundation of Fujian Province（No.2011J05020）, Education Department of Fujian Province（No.JA14071, JB14036, JA13068）, Fujian Normal University outstanding young teacher research fund projects（No.fjsdjk2012068）, Foundation of Fuzhou Science and Technology Bureau（No.2013-S-113）

Opened online: 7 January 2016

Accepted by: none

Citation: Yan Huixiang,Zhang Qingrong,Gong Lingshan.A novel ultrasensitive electrochemical sensor based on NiCo2O4 nanosuperstrutures for 6-benzylaminopurine determination[OL]. [ 7 January 2016] http://en.paper.edu.cn/en_releasepaper/content/4673572

In this paper, a facile hydrothermal method to synthetise a novel electrode material of NiCo2O4 nanosuperstructures. An ultrasensitive and good stabilized electrochemical sensor based on this NiCo2O4 nanosuperstructures was proposed to determine 6-benzylaminopurine (6-BAP). The electrochemical investigation confirms that NiCo2O4 nanosuperstructures stabilized by polyethyleneimine (PEI) could remarkably boost the electrocatalytic activity for the oxidation response of 6-BAP because of its unique properties of large pore volume, good electrical conductivity and metal catalysis. The fabricated electrochemical sensor showed a wide linear range of 6-BAP detection from 0.1 nM to 10 μM with a low limit of detection 0.1 nM. Therefore, this novel developed sensor based on PEI-NiCo2O4/GCE was also applied to quantitative determination food borne contamination to monitor food safety.

Keywords:Electrochemical sensor, NiCo2O4 nanosuperstructures, 6-benzylaminopurine

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