Fluorescence sensor array based on amino acid derived carbon dots for pattern-based detection of toxic metal ions
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- 作者：Zhe WangAuthor Vitae ; Chao XuAuthor Vitae ; Yuexiang Lu ; luyuexiang@mail.tsinghua.edu.cnAuthor Vitae ; Xiaotong ChenAuthor Vitae ; Hang YuanAuthor Vitae ; Guoyu WeiAuthor Vitae ; Gang YeAuthor Vitae ; Jing Chen ; jingxia@mail.tsinghua.edu.cnAuthor Vitae
- 关键词：Carbon dots ; Sensor array ; Metal ions ; Amino acid ; Fluorescence
- 刊名：Sensors and Actuators B: Chemical
- 出版年：2017
- 出版时间：31 March 2017
- 年：2017
- 卷：241
- 期：Complete
- 页码：1324-1330
- 全文大小：1997 K
- 卷排序：241
文摘
Three kinds of carbon dots with various surface states were synthesized with different amino acids. These amino acid derived carbon dots exhibited diverse quenching responses to different metal ions. Chemical sensor array based on these carbon dots could discriminate six metal ions at various concentrations. The binary and ternary mixtures of three metal ions could also be successfully discriminated with this sensor array.