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A glassy carbon electrode modified with N-doped carbon dots for improved detection of hydrogen peroxide and paracetamol
Fu, Li; Wang, Aiwu; Lai, Guosong; Lin, Cheng-Te; Yu, Jinhong; Yu, Aimin; Liu, Zhong; Xie, Kefeng; Su, Weitao
2018
发表期刊MICROCHIMICA ACTA
卷号185期号:2
摘要Nitrogen doped carbon dots (NCDs) were synthesized using a low temperature approach and used to modify a glassy carbon electrode (GCE) via dipping. The oxygen groups on the surface of the NCDs, and the charge delocalization of the NCDs warrant an excellent electrocatalytic activity of the GCE toward oxidation of paracetamol (PA) and reduction of H2O2 center dot PA and H2O2 were detected at 0.34 V and -0.4 V (both vs. Ag/AgCl) using differential pulse voltammetry and amperometric I-T measurement, respectively. The modified GCE has a linear response to PA in the 0.5 to 600 mu M concentration range, and to H2O2 in the 0.05 mu M to 2.25 mM concentration range. The detection limits are 157 nM and 41 nM, respectively. In our perception, the modified GCE holds promise for stable, selective and sensitive determination of PA and H2O2 in pharmaceutical analysis.
关键词Graphene Quantum Dots Electrochemical Sensor Gold Nanoparticles Nanotubes Dopamine Nanocomposites Hydroquinone Nanofibers Reduction Catechol
学科领域Physics
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/16836
专题2018专题
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GB/T 7714
Fu, Li,Wang, Aiwu,Lai, Guosong,et al. A glassy carbon electrode modified with N-doped carbon dots for improved detection of hydrogen peroxide and paracetamol[J]. MICROCHIMICA ACTA,2018,185(2).
APA Fu, Li.,Wang, Aiwu.,Lai, Guosong.,Lin, Cheng-Te.,Yu, Jinhong.,...&Su, Weitao.(2018).A glassy carbon electrode modified with N-doped carbon dots for improved detection of hydrogen peroxide and paracetamol.MICROCHIMICA ACTA,185(2).
MLA Fu, Li,et al."A glassy carbon electrode modified with N-doped carbon dots for improved detection of hydrogen peroxide and paracetamol".MICROCHIMICA ACTA 185.2(2018).
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