Semi-quantitative and visual assay of copper ions by fluorescent test paper constructed with dual-emission carbon dots

Wang Yifan; Wu Mian; Yu Shaoming; Jiang Changlong

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Semi-quantitative and visual assay of copper ions by fluorescent test paper constructed with dual-emission carbon dots

机译：用双排放碳点构建的荧光试纸铜离子的半定量和视觉测定

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A novel, simple and effective dual-emissive fluorescent probe for the sensitive and selective detection of Cu(ii) has been developed by mixing blue carbon dots and orange carbon dots, with a sensitive detection limit of 7.31nM. The blue fluorescence can be selectively quenched by Cu(ii), while the orange fluorescence is a internal reference, resulting in a distinguishable fluorescence color change from blue to orange under a UV lamp. Meanwhile, its as-prepared text paper provides a convenient and simple approach for the visual detection of Cu(ii) and successfully applied in real water samples, with a dose-discerning ability as low as 50 nM. The methodology reported here opens a novel pathway toward the real applications of fluorescent test papers.

机译：通过混合蓝色碳点和橙色碳点来开发用于敏感和选择性检测的新型，简单且有效的双发射荧光探针，敏感检测限为7.31nm。可以通过Cu（II）选择性地淬灭蓝色荧光，而橙色荧光是内部参考，导致UV灯下的蓝色至橙色的可区分荧光变化。同时，其以其制备的文本纸提供了一种方便，简单的方法，可视于Cu（II）的视觉检测，并成功应用于实际水样中，具有低至50nm的剂量辨别能力。这里报道的方法为荧光测试纸的真实应用开辟了一种新的途径。

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《RSC Advances》 |2018年第23期|共6页
作者
Wang Yifan; Wu Mian; Yu Shaoming; Jiang Changlong;
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作者单位

Hefei Univ Technol Sch Chem &

Chem Engn Hefei 230009 Anhui Peoples R China;

Hefei Univ Technol Sch Chem &

Chem Engn Hefei 230009 Anhui Peoples R China;

Hefei Univ Technol Sch Chem &

Chem Engn Hefei 230009 Anhui Peoples R China;

Chinese Acad Sci Inst Intelligent Machines Hefei 230031 Anhui Peoples R China;

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正文语种 eng
中图分类化学;
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1. Semi-quantitative and visual assay of copper ions by fluorescent test paper constructed with dual-emission carbon dots [J] . Wang Yifan, Wu Mian, Yu Shaoming, RSC Advances . 2018,第23期

机译：用双排放碳点构建的荧光试纸铜离子的半定量和视觉测定
2. Dual-Colored Carbon Dot Ratiometric Fluorescent Test Paper Based on a Specific Spectral Energy Transfer for Semiquantitative Assay of Copper Ions [J] . Liu Cui, Ning Dianhua, Zhang Cheng, ACS applied materials & interfaces . 2017,第22期

机译：基于特异性光谱能量转移的双色碳点小型荧光试验纸，用于铜离子的半定量测定
3. Ratiometric fluorescent test pen filled with a mixing ink of carbon dots and CdTe quantum dots for portable assay of silver ion on paper [J] . Mikrochimica Acta: An International Journal for Physical and Chemical Methods of Analysis . 2020,第7期

机译：比率荧光测试笔填充有碳点和CdTe量子点的混合油墨，用于在纸上的银离子的便携式测定
4. One-Step Synthesis of Fluorescent Carbon Dots for Bio-Labeling Assay [C] . Poushali Das, Madhuparna Bose, Amit Kumar Das Polychar 25-World Forum on Advanced Materials . 2018

机译：生物标记测定荧光碳点的一步合成
5. Towards Solid-Phase Nucleic Acid Hybridization Assays on a Paper-Based Platform and Within Channel Microfluidics Using Quantum Dots as Donors in Fluorescence Resonance Energy Transfer. [D] . Noor, Muhammad Omair. 2015

机译：在基于纸张的平台上和在通道微流体中使用量子点作为荧光共振能量转移的供体的固相核酸杂交测定。
6. Ratiometric fluorescent test paper based on silicon nanocrystals and carbon dots for sensitive determination of mercuric ions [O] . Xinfeng Guo, Cui Liu, Nian Li, 2018

机译：基于硅纳米晶体和碳点的比例荧光试纸用于灵敏测定汞离子
7. Correction: One-step synthesis of a dual-emitting carbon dot-based ratiometric fluorescent probe for the visual assay of Pb2+ and PPi and development of a paper sensor [O] . Yifang Gao, Yuan Jiao, Huilin Zhang, 2019

机译：校正：用于双发射碳点基比例荧光探针的一步合成，用于PB2 +和PPI的视觉测定和纸张传感器的开发

Semi-quantitative and visual assay of copper ions by fluorescent test paper constructed with dual-emission carbon dots

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