铜纳米团簇的制备及在焦磷酸盐检测中的应用

引用本文: 韩艳艳, 高雪情, 王大伟, 庄旭明, 田春媛, 付秀丽. 铜纳米团簇的制备及在焦磷酸盐检测中的应用[J]. 分析化学, 2021, 49(8): 1300-1307. doi: 10.19756/j.issn.0253-3820.201742 shu

Citation: HAN Yan-Yan, GAO Xue-Qing, WANG Da-Wei, ZHUANG Xu-Ming, TIAN Chun-Yuan, FU Xiu-Li. Synthesis of Copper Nanoclusters and Its Application in Determination of Pyrophosphate[J]. Chinese Journal of Analytical Chemistry, 2021, 49(8): 1300-1307. doi: 10.19756/j.issn.0253-3820.201742 shu

铜纳米团簇的制备及在焦磷酸盐检测中的应用

韩艳艳 ^1, ,
高雪情 ^2, ,
王大伟 ^2, ,
庄旭明 ^{2,
,} ,
田春媛 ^2, ,
付秀丽 ^2,

1.
烟台职业学院, 烟台 264670;
2.
烟台大学化学化工学院, 烟台 264005

通讯作者: 庄旭明,E-mail:xmzhuang@iccas.ac.cn

基金项目:
国家自然科学基金项目（Nos.21778047，21705139）资助。

摘要: 以巯基丙酸（MPA）为还原剂和保护剂，制备了荧光铜纳米团簇（MPA-CuNCs），并利用Cu²⁺可以引起MPA-CuNCs的聚集诱导发光效应，进一步合成了Cu²⁺@MPA-CuNCs纳米复合材料。通过扫描电子显微镜（SEM）、X射线光电子能谱（XPS）和红外光谱（FT-IR）等手段对材料进行了表征，结果表明成功合成了Cu²⁺@MPA-CuNCs纳米复合材料。焦磷酸盐（PPi）含有的焦磷酸根可以和Cu²⁺结合，进而引起Cu²⁺@MPA-CuNCs体系的荧光猝灭，基于此构建了一种新型荧光传感器用于PPi的灵敏检测，其线性检测范围为5~100 μmol/L，检出限（S/N=3）为0.65 μmol/L，方法具有良好的选择性。

关键词:

English

Synthesis of Copper Nanoclusters and Its Application in Determination of Pyrophosphate

1.
Yantai Vocational College, Yantai 264670, China;
2.
College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China

Corresponding author: ZHUANG Xu-Ming, xmzhuang@iccas.ac.cn

Received Date: 07 December 2020
Revised Date: 22 February 2021
Fund Project:
Supported by the National Natural Science Foundation of China (Nos.21778047, 21705139).

Abstract: By using 3-mercaptopropionic acid (MPA) as a reductant and protective agent, fluorescent copper nanoclusters (MPA-CuNCs) were prepared by one-pot reaction method, and Cu²⁺@MPA-CuNCs was further synthesized based on that Cu²⁺ could induce aggregation-induced emission effect of MPA-CuNCs. The synthesized Cu²⁺@MPA-CuNCs nanocomposite was characterized by scanning electron microscopy, X-ray photoelectron spectroscopy and Fourier transform infrared spectroscopy, etc. The experimental results showed that Cu²⁺@MPA-CuNCs nanocomposite was successfully synthesized. Pyrophosphate can combine with Cu²⁺, which lead to the fluorescence quenching of Cu²⁺@MPA-CuNCs system. Based on this, a new fluorescent sensor was thus constructed for sensitive detection of pyrophosphate, with a good linear relationship in the concentration rang of 5-100 μmol/L. The limit of detection was 0.65 μmol/L (3σ). This method had high selectivity in detection of pyrophosphate.

Key words:

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

铜纳米团簇的制备及在焦磷酸盐检测中的应用

通讯作者: 庄旭明,E-mail:xmzhuang@iccas.ac.cn

English

Synthesis of Copper Nanoclusters and Its Application in Determination of Pyrophosphate

Corresponding author: ZHUANG Xu-Ming, xmzhuang@iccas.ac.cn

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

铜纳米团簇的制备及在焦磷酸盐检测中的应用

通讯作者: 庄旭明,E-mail:xmzhuang@iccas.ac.cn

English

Synthesis of Copper Nanoclusters and Its Application in Determination of Pyrophosphate

Corresponding author: ZHUANG Xu-Ming, xmzhuang@iccas.ac.cn

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

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