A novel fluorescent sensor based on imidazo[1,2-a]pyridine for Zn2+

Xiao Shihua; Liu Zheng; Zhao Jinyan; Pei Meishan; Zhang Guangyou; He Wei

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A novel fluorescent sensor based on imidazo[1,2-a]pyridine for Zn2+

机译：一种基于咪唑的新型荧光传感器[1,2-A]吡啶用于Zn2 +

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A novel chemosensor L1 for the detection of Zn2+ basedon an imidazo[1,2-a]pyridine in C2H5OH-H2O(9 : 1, v/v) buffer solution was designed and synthesized. L1 showed a significant fluorescence enhancement in the presence of Zn2+ over other competitive metal ions with a limit of detection of 6.8 x 10(-8) M. Upon the addition of Zn2+, the resulting complex L1-Zn2+ could induce bathochromic shifts both in absorption and emission bands due to the intramolecular charge transfer process (ICT). The reason for fluorescence enhancement and color changes of L1 towards Zn2+ was demonstrated by density functional theory (DFT) and time-dependent density functional theory (TDDFT) calculations with 6-31G(d) basis sets using a suite of Gaussian 03 programs.

机译：设计并合成了用于检测Zn2 +的用于检测Zn2 +的新化学传感器L1 [1,2-A]吡啶[1,2-A]吡啶，并合成。 L1在其他竞争性金属离子存在下显示出显着的荧光增强，其在其他竞争性金属离子上具有6.8×10（-8）米的检测限。在添加Zn2 +时，所得复合L1-Zn2 +可以诱导吸收的碱性变化由于分子内电荷转移过程（ICT）引起的发射带。利用Laussian 03程序套件，通过密度泛函理论（DFT）和时间依赖性密度泛函理论（TDDFT）计算来证明L1朝向Zn2 +的荧光增强和颜色变化的原因，使用6-31G（d）基集。

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来源
《RSC Advances》 |2016年第32期|共7页
作者
Xiao Shihua; Liu Zheng; Zhao Jinyan; Pei Meishan; Zhang Guangyou; He Wei;
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作者单位

Univ Jinan Sch Chem &

Chem Engn Jinan 250022 Peoples R China;

Univ Jinan Sch Chem &

Chem Engn Jinan 250022 Peoples R China;

Univ Jinan Sch Chem &

Chem Engn Jinan 250022 Peoples R China;

Univ Jinan Sch Chem &

Chem Engn Jinan 250022 Peoples R China;

Univ Jinan Sch Chem &

Chem Engn Jinan 250022 Peoples R China;

Univ Jinan Sch Chem &

Chem Engn Jinan 250022 Peoples R China;

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正文语种 eng
中图分类化学;
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1. A novel fluorescent sensor based on imidazo[1,2-a]pyridine for Zn2+ [J] . Xiao Shihua, Liu Zheng, Zhao Jinyan, RSC Advances . 2016,第32期

机译：一种基于咪唑的新型荧光传感器[1,2-A]吡啶用于Zn2 +
2. Development of a fused imidazo[1,2-a]pyridine based fluorescent probe for Fe3+ and Hg2+ in aqueous media and HeLa cells [J] . RSC Advances . 2019,第51期

机译：在水性介质和HeLa细胞中融合Fe3 +和Hg2 +的熔融咪唑基[1,2-A]吡啶基荧光探针的研制
3. A FRET ratiometric fluorescent probe for detection of Hg2+ based on an imidazo[1,2-a]pyridine-rhodamine system [J] . Li Yanzhong, Qi Sijia, Xia Chengcai, Analytica chimica acta . 2019,第期

机译：用于检测HG2 +基于咪唑的荧光荧光荧光探针[1,2-A]吡啶 - 罗丹明系统
4. Pyridine based boronic acidas carbohydrate sensor: DFT and spectroscopic investigations [C] . N. R. Bhavya, S. Ananda, Hussien Ahmed Khamees, DAE Solid State Physics Symposium . 2020

机译：吡啶基硼酸碳水化合物传感器：DFT和光谱研究
5. Chemistry of 1,2-dialkynylimidazoles: Rearrangements to cyclopentapyrazines and imidazo[1,2-a]pyridines [D] . Nadipuram, Asha Krishna 2005

机译：1,2-二炔基咪唑的化学：重排成环戊哒嗪和咪唑并[1,2-a]吡啶
6. 2-(4-Chlorophenyl)imidazo[1,2-a]pyridine-3-carbaldehyde [O] . Yun-Hui Li, Wen-Yu Liu, Yang Gao, 2016

机译：2-（4-氯基）咪唑并[1,2-a]吡啶-3-甲醛
7. A novel small molecule fluorescent sensor for Zn2+ based on pyridine–pyridone scaffold [O] . Hagimori Masayori, Mizuyama Naoko, Yamaguchi Yasuchika, 2011

机译：一种基于吡啶 - 吡啶酮支架的新型Zn2 +小分子荧光传感器

A novel fluorescent sensor based on imidazo[1,2-a]pyridine for Zn2+

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