A Fluorescence Strategy for Silver Ion Assay via Cation Exchange Reaction and Formation of Poly(thymine)-templated Copper Nanoclusters

• WANG Xiu

  College of Chemistry and Material Science, Sichuan Normal University

• HU Pingyue

  College of Chemistry and Material Science, Sichuan Normal University

• WANG Zhipeng

  College of Chemistry and Material Science, Sichuan Normal University

• LIU Qiuyun

  College of Chemistry and Material Science, Sichuan Normal University

• XU Ting

  College of Chemistry and Material Science, Sichuan Normal University

• KOU Mengqian

  College of Chemistry and Material Science, Sichuan Normal University

• HUANG Ke

  College of Chemistry and Material Science, Sichuan Normal University

• CHEN Piaopiao

  Department of Laboratory Medicine, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy

書誌事項

タイトル別名

• A Fluorescence Strategy for Silver Ion Assay <i>via</i> Cation Exchange Reaction and Formation of Poly(thymine)-templated Copper Nanoclusters

抄録

The detection of Ag⁺ ions in the environment and biological systems is important to both environmental monitoring and modern medicine. Herein, a novel and label-free method was developed for Ag⁺ detection, which utilizes a florescence strategy combining DNA-templated copper nanoclusters (Cu NCs) with cation exchange reactions. The method is primarily based on the effective detection of an Ag⁺-triggered cation exchange reaction and the release of free Cu²⁺ from CuS nanoparticles (CuS NPs), while the probe T30 serves as an effective template for the formation of fluorescence-inducing Cu NCs. Under optimal conditions, this sensing system displays high sensitivity with a 50 nM limit of detection and a range from 0 – 100 μM. In addition, the proposed method exhibits high selectivity and, therefore, was successfully applied to the analysis of real samples. Overall, these results demonstrate that our established method has advantages of design and operation simplicity, as well as cost-effectiveness.

収録刊行物

• Analytical Sciences

  Analytical Sciences 35 (8), 917-922, 2019-08-10

  社団法人 日本分析化学会

キーワード

• Silver ion
• CuS NPs
• Cu NCs
• cation exchange reaction
• fluorescence

詳細情報

• CRID: 1390564238109890816
• NII論文ID: 130007689348
• NII書誌ID: AA10500785
• DOI: 10.2116/analsci.19p036
• ISSN: 13482246
• ISSN: 09106340
• NDL書誌ID: 029911745
• PubMed: 31061241
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I029911745
• Web Site: https://link.springer.com/content/pdf/10.2116/analsci.19P036.pdf
• Web Site: https://link.springer.com/article/10.2116/analsci.19P036/fulltext.html
• Web Site: https://www.jstage.jst.go.jp/article/analsci/35/8/35_19P036/_pdf
• Web Site: https://search.jamas.or.jp/link/ui/2020079860
• 本文言語コード: en
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • PubMed
  • CiNii Articles
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