基于碳量子点的新型介孔纳米荧光探针的合成及用于铜离子的检测

引用本文: 钟世龙, 张玲玲, 刘静, 刘祥军, 常天俊, 上官棣华. 基于碳量子点的新型介孔纳米荧光探针的合成及用于铜离子的检测[J]. 分析化学, 2022, 50(1): 47-53. doi: 10.19756/j.issn.0253-3820.211101 shu

Citation: ZHONG Shi-Long, ZHANG Ling-Ling, LIU Jing, LIU Xiang-Jun, CHANG Tian-Jun, SHANGGUAN Di-Hua. Carbon Quantum Dots-based Mesoporous Nanomaterials for Detection of Copper Ion[J]. Chinese Journal of Analytical Chemistry, 2022, 50(1): 47-53. doi: 10.19756/j.issn.0253-3820.211101 shu

基于碳量子点的新型介孔纳米荧光探针的合成及用于铜离子的检测

钟世龙 ^1,2, ,
张玲玲 ^2, ,
刘静 ^2,3, ,
刘祥军 ^{2,3,
,} ,
常天俊 ^{1,
,} ,
上官棣华 ^2,3,

1.
河南理工大学资源环境学院生物系, 焦作 454000;
2.
中国科学院化学研究所, 北京分子科学国家研究中心, 活体分析化学中国科学院重点实验室, 北京 100190;
3.
中国科学院大学, 北京 100049

通讯作者: 刘祥军,E-mail:xjliu@iccas.ac.cn; 常天俊,E-mail:changtj@hpu.edu.cn

基金项目:
国家自然科学基金项目（Nos.21877115，U1704241）资助。

摘要: 合成了一种基于碳量子点介孔纳米材料的Cu²⁺吸附型荧光探针。在Cu²⁺存在时，纳米探针荧光可被Cu²⁺选择性猝灭，基于此建立了检测Cu²⁺的荧光分析方法。在Cu²⁺浓度为1.0~10.0 μmol/L范围内，探针具有良好的线性响应，检出限（S/N=3）为0.22 μmol/L；探针对Cu²⁺的最大吸附量为5.71 mg/g。利用此探针检测了自来水样品中Cu²⁺的含量，结果与电感耦合等离子体发射光谱法相当，回收率在90%~104%之间，表明本方法可用于检测实际样品中的Cu²⁺。

关键词:

English

Carbon Quantum Dots-based Mesoporous Nanomaterials for Detection of Copper Ion

1.
Department of Biology, Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo 454000, China;
2.
Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
3.
University of Chinese Academy of Sciences, Beijing 100049, China

Corresponding author: LIU Xiang-Jun, ; CHANG Tian-Jun,

Received Date: 04 February 2021
Revised Date: 15 October 2021
Fund Project:
Supported by the National Natural Science Foundation of China (Nos.21877115, U1704241).

Abstract: Carbon quantum dots-based mesoporous mesoporous silica nanomaterials (CD-MSN) was designed and prepared for detection and adsorption of Cu²⁺. The fluorescence of CD-MSN could be selectively quenched by Cu²⁺, therefore, a fluorescence method was established for detection of Cu²⁺. A linear response range was found in the Cu²⁺ concentration range from 1.0 to 10.0 μmol/L, with limit of detection (LOD, S/N=3) of 0.22 μmol/L. Meanwhile, the maximal adsorption capacity of CD-MSN for Cu²⁺ was determined as 5.71 mg/g by inductively coupled plasma optical emission spectrometry (ICP-OES). In addition, the CD-MSN was successfully applied to detect Cu²⁺ in real tap water samples. The results suggested that the synthesized CD-MSN had the potential in detection of Cu²⁺ in real water samples.

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

基于碳量子点的新型介孔纳米荧光探针的合成及用于铜离子的检测

通讯作者: 刘祥军,E-mail:xjliu@iccas.ac.cn; 常天俊,E-mail:changtj@hpu.edu.cn

English

Carbon Quantum Dots-based Mesoporous Nanomaterials for Detection of Copper Ion

Corresponding author: LIU Xiang-Jun, ; CHANG Tian-Jun,

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

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

基于碳量子点的新型介孔纳米荧光探针的合成及用于铜离子的检测

通讯作者: 刘祥军,E-mail:xjliu@iccas.ac.cn; 常天俊,E-mail:changtj@hpu.edu.cn

English

Carbon Quantum Dots-based Mesoporous Nanomaterials for Detection of Copper Ion

Corresponding author: LIU Xiang-Jun, ; CHANG Tian-Jun,

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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