A novel tricyclic heterocyclic fluorescent probe for Pd~(2+) in aqueous solution: Synthesis, properties and theoretical calculations

Su Ke; Ming Jiao; Zhang Li; Xiang Siyu; Cui Mingzhu; Yang Haijun

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A novel tricyclic heterocyclic fluorescent probe for Pd~(2+) in aqueous solution: Synthesis, properties and theoretical calculations

机译：用于水溶液中Pd〜（2+）的新型三环杂环荧光探针：合成，性质和理论计算

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摘要

A novel tricyclic heterocyclic compound, 5,5'-(furan-2,5-diyl)bis (1,3,4- thiadiazol-2-amine) (3), was easily synthesized, which has an excellent fluorescence performance and could be a chemical sensor of Pd2+ at a very broad pH range. Fluorescence titration shows that the detection limit of Pd2+ is up to 1.07 x 10(-9) M with a good accuracy. Density function theory (Guassian 09) indicates that the coordination of Pd2+ decreases the coplanarity and conjugation of compound 3, resulting in a fluorescence quenching. Generally, compound 3 could be practically applied in the convenient detection of Pd2+ with high sensitivity, excellent selectivity, good accuracy, and short response time. Compound 3 was characterized by NMR, MS, FT-IR, UV-Vis, H-1 NMR, C-13 NMR, and HRMS.

机译：一种新的三环杂环化合物，5,5' - （Furan-2,5-二基）双（1,3,4-噻唑-2-胺）（3），易于合成，具有优异的荧光性能和可是PD2 +的化学传感器，在非常宽的pH范围内。荧光滴定表明，PD2 +的检出限高达1.07×10（-9）m，精度良好。密度函数理论（瓜森09）表明PD2 +的配位降低了化合物3的共面和缀合，导致荧光猝灭。通常，化合物3可以实际地应用于PD2 +的方便检测，具有高灵敏度，优异的选择性，良好的精度以及短响应时间。化合物3的特征在于NMR，MS，FT-IR，UV-VI，H-1 NMR，C-13 NMR和HRMS。

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来源
《Optical Materials》 |2019年第7期|25-29|共5页
作者
Su Ke; Ming Jiao; Zhang Li; Xiang Siyu; Cui Mingzhu; Yang Haijun;
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作者单位

Southwest Univ Sci & Technol Sch Mat Sci & Engn Mianyang 621010 Sichuan Peoples R China;

Southwest Univ Sci & Technol Sch Mat Sci & Engn Mianyang 621010 Sichuan Peoples R China;

Southwest Univ Sci & Technol Sch Mat Sci & Engn Mianyang 621010 Sichuan Peoples R China;

Southwest Univ Sci & Technol Sch Mat Sci & Engn Mianyang 621010 Sichuan Peoples R China;

Southwest Univ Sci & Technol Sch Mat Sci & Engn Mianyang 621010 Sichuan Peoples R China;

Southwest Univ Sci & Technol Sch Mat Sci & Engn Mianyang 621010 Sichuan Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Fluorescence; Pd2+ detection; DFT; UV-Vis;

机译：荧光;PD2 +检测;DFT;UV-Vis;

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专利

1. A novel tricyclic heterocyclic fluorescent probe for Pd~(2+) in aqueous solution: Synthesis, properties and theoretical calculations [J] . Su Ke, Ming Jiao, Zhang Li, Optical Materials . 2019,第JULa期

机译：水溶液中Pd〜（2+）的新型三环杂环荧光探针：合成，性质及理论计算
2. Novel triazole-based fluorescent probes for Pd~(2+) in aqueous solutions: Design, theoretical calculations and imaging [J] . Hou J.-T., Li K., Yu K.-K., The Analyst: The Analytical Journal of the Royal Society of Chemistry: A Monthly International Publication Dealing with All Branches of Analytical Chemistry . 2013,第21期

机译：新型三唑基荧光探针用于水溶液中的Pd〜（2+）：设计，理论计算和成像
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机译：一锅法合成高荧光氮掺杂碳点，用于荧光探针检测水溶液中的Hg〜（2+）和Ag〜+
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机译：基于水溶液中Hg〜（2+）的喹啉衍生物的高选择性和敏感的荧光探针
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机译：在存在和不存在强1：1电解质的情况下，某些杂环季铵表面活性剂水溶液的热力学性质。
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A novel tricyclic heterocyclic fluorescent probe for Pd~(2+) in aqueous solution: Synthesis, properties and theoretical calculations

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