Citation: ZHANG Guo, FENG Jian-Jun, CHAI Rui-Tao, ZHU Wei-Huang, KANG Qian-Wen, LI Hui. 纸型便携式金纳米簇器件可视化检测汞离子[J]. Chinese Journal of Analytical Chemistry, ;2019, 47(4): 583-590. doi: 10.19756/j.issn.0253-3820.181808 shu

纸型便携式金纳米簇器件可视化检测汞离子

1.
School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China;
2.
School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China

Received Date: 28 December 2018
Revised Date: 28 February 2019

Fund Project: This work was supported by the National Natural Science Foundation of China (No. 21205092), the Natural Science Foundation of Shaanxi Province (No. 2018JQ2053), the Natural Science Foundation of Xi’an University of Architecture and Technology (No. ZR18039) and the Talent Foundation of Xi’an University of Architecture and Technology (No. RC1306).

合成了谷胱甘肽GSH包覆的荧光金纳米簇AuNCs，基于Hg²⁺-Au⁺间的高亲合作用实现对汞离子Hg²⁺的高灵敏性、高选择性荧光检测，线性检测范围为4~200 nmol/L，检出限LOD，S/N=3为2.4 nmol/L。常见的金属离子Ni²⁺，Mn²⁺，Co²⁺，Na⁺，Ba²⁺，Cu²⁺，Zn²⁺，Mg²⁺，Cd²⁺，Ca²⁺，K⁺，Fe³⁺，Al³⁺，Pb²⁺和阴离子F^-，C₂O₄^2-，Cl^-，H₂PO₄，NO₃^-^-，SO₄^2-，HCOO^-，I^-，C₅H₇O₅COO^-，CH₃COO^-，Br^-，CO₃^2-对检测没有干扰。基于GSH-AuNCs构筑了两种纸型便携式AuNCs器件：半定量试纸和纸型横向流动检验LFA试剂盒，并成功用于可视化检测自来水样中Hg²⁺。
- Gold nanoclusters,
- Paper-based devices,
- Visual detection,
- Mercury (II) ions,
- Tap water
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沈阳化工大学材料科学与工程学院沈阳 110142