一种易于使用的多功能探针:通过可区分的波长同时识别阳离子ZN 2⁺和阴离子F⁻

IF 0.8 4区 化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR
Li Zeng, Jiang-Lin Zhao, Lan Mu, Xi Zeng, G. Wei, C. Redshaw, Zongwen Jin
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引用次数: 0

摘要

探针1是通过8-甲酰基-7-羟基香豆素和碳二肼一步缩合制备的。探针1对Zn 2 +和F⁻表现出很高的灵敏度和选择性,荧光反应和/或比色反应的检出限为10-8 m,光谱滴定法、等温滴定量热法、1H NMR光谱滴定法和质谱法对其配合行为进行了充分的研究。有趣的是,探针1不仅可以识别阳离子Zn 2 +和阴离子F -⁻,而且还可以通过它们的紫外-可见光谱中的最大波长(1-Zn 2 +为360 nm, 1-F -⁻复合物为400 nm)或它们的荧光光谱(1-Zn 2 +为λₑₓ/ λₑm = 360 nm/ 454nm, 1-F -⁻复合物为λₑₓ/ λₑm = 400 nm/ 475 nm)来区分这两个离子,因为它们的红移不同。此外,探针1在活细胞中检测Zn 2 +也得到了进一步的探索。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A readily accessible multifunctional probe : simultaneous recognition of the cation ZN²⁺ and the anion F⁻ via distinguishable wavelengths
The probe 1 was readily prepared via condensation of 8-formyl-7-hydroxy-coumarin and carbonic dihydrazide in a one-step procedure. Probe 1 exhibited high sensitivity and selectivity towards Zn²⁺ and F⁻ through a “turn-on” fluorescence response and/or ratiometric colorimetric response with low detection limits of the order of 10-8 M. The complex behaviour was fully investigated by spectral titration, isothermal titration calorimetry, 1H NMR spectroscopic titration and mass spectrometry. Interestingly, probe 1 not only recognizes the cation Zn²⁺ and the anion F⁻, but can also distinguish between these two ions via the max wavelength in their UV-vis spectra (360 nm for 1-Zn²⁺ versus 400 nm for 1-F⁻ complex) or their fluorescent spectra (λₑₓ / λₑm = 360 nm/ 454 nm for 1-Zn²⁺ versus λₑₓ / λₑm = 400 nm/ 475 nm for 1-F⁻ complex) due to their differing red-shifts. Additionally, probe 1 has been further explored in the detection of Zn²⁺ in living cells.
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来源期刊
无机化学学报
无机化学学报 化学-无机化学与核化学
CiteScore
1.40
自引率
42.90%
发文量
8709
审稿时长
2.2 months
期刊介绍: “Chinese Journal of Inorganic Chemistry” publishes fundamental studies in all phases of inorganic chemistry, including solid-state chemistry, coordination chemistry, inorganic materials chemistry, bioinorganic chemistry, organometallic chemistry, theoretical inorganic chemistry, supermolecule chemistry, applied inorganic chemistry and related field of catalysis. Emphasis is on the synthesis, thermodynamics, kinetics, spectroscopy, structure and bonding properties of new and known compounds. In addition to full-length research articles, “Chinese Journal of Inorganic Chemistry” also publishes notes, letters, and reviews. “Chinese Journal of Inorganic Chemistry” accepts manuscript written in simplified Chinese or English.
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