文献类型： 外文期刊
作者： Zhang, Guolin 3 ; Fu, Haiping 2 ; Zou, Dongsheng 1 ; Xiao, Runlin 3 ; Liu, Jun 4 ; Li, Shaojing 4 ;
作者机构： 1.Hunan Agr Univ, Coll Biosci & Biotechnol, Changsha 410128, Hunan, Peoples R China
2.Hunan Acad Agr Sci, Res Inst, Changsha 410125, Hunan, Peoples R China
3.Chinese Acad Sci, Inst Subtrop Agr, Changsha 410125, Hunan, Peoples R China
4.Qingdao Agr Univ, Qingdao Engn Res Ctr Rural Environm, Qingdao 266109, Peoples R China
关键词： Caffeine;Electrochemical sensor;Graphene;Polydopamine;Children asthmatic attack
期刊名称：INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE （ 影响因子：1.765； 五年影响因子：1.685 ）
ISSN： 1452-3981
年卷期： 2017 年 12 卷 12 期
页码：
收录情况： SCI
摘要： A polydopamine-gold nanocomposite (PDA/AuNPs)-based caffeine sensor with high sensitivity was fabricated. The electrochemical performance of the caffeine sensor was characterized in various electrolyte solutions, including sodium perchlorate, phosphate buffer saline, and choline chloride containing oxalic acid. The influence of interference agents, normally present in caffeine-containing samples, on caffeine detection was also studied. The PDA/AuNPs/GCE-based sensor showed excellent performance in the determination of caffeine in tea samples.
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