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Bimetallic cobalt-nickel supported on carbon fiber for electrochemical simultaneous determination of dopamine and hydroquinone
Yang, Chi1; Zhao, Yunlong2; Dong, Xiuxiu3; Lu, Shun4
2023-11-01
摘要Bimetallic cobalt-nickel supported on carbon fiber (Co-Ni@CF) was synthesized by a straightforward homoge-neous co-precipitation approach. Electrochemical results demonstrated that the modified Co-Ni@CF electrode demonstrated excellent electrooxidation activity toward dopamine (DA) and hydroquinone (HQ) without any other activating treatments, which could be modified as an electrochemical biosensor for DA and HQ detection simultaneously. The as-proposed biosensor was developed for simultaneous detection of DA and HQ, featuring low detection limits (LODs) of 0.4698 mu M for DA and 0.2388 mM for HQ, respectively. The sensor also offers broad linear ranges for DA (5.0-30 mu M), and HQ (0.5-5.0 mM). Along with these attractive features, the Co-Ni@CF electrode also performed good long-term stability and reproducibility, making it a promising candi-date for electrochemical biosensing of DA and HQ.
关键词Bimetallic cobalt-nickel Dopamine Hydroquinone Simultaneous detection Electron transfer
DOI10.1016/j.elecom.2023.107597
发表期刊ELECTROCHEMISTRY COMMUNICATIONS
ISSN1388-2481
卷号156页码:6
通讯作者Dong, Xiuxiu(dongxx@ujs.edu.cn) ; Lu, Shun(lushun@cigit.ac.cn)
收录类别SCI
WOS记录号WOS:001094595900001
语种英语