Development of a highly selective and sensitive fluorescent chemosensory for zinc ion detection in aqueous ethanol solution: synthesis of a new aza-oxo macrocycle using high-dilution condition method

IF 2.3 4区 化学 Q2 Agricultural and Biological Sciences Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-04-01 DOI:10.1007/s10847-024-01223-7
Reza Azadbakht, Hasti Moshiri, Mostafa Koolivand
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Abstract

Utilizing a high-dilution condition method, a new aza-oxo macrocycle, referred to as L, was synthesized as a chemosensor. The chemosensing capabilities of L were thoroughly investigated using fluorescence studies. The obtained results demonstrate that L effectively responds to the presence of zinc ions, leading to a significant increase in fluorescence intensity. Comparative studies were conducted to investigate the impact of various metal cations, including Cr(III), Mn(II), Fe(II), Fe(III), Co(II), Ni(II), Cu(I), Cu(II), Zn(II), Cd(II), Gd(III), Na(I), K(I), Ba(II), Mg(II), Al(III), Pb(II), Sn(II), Hg(II), and Ag(I), on the fluorescence of L in an aqueous ethanol environment. During our investigations, a binding constant value of 7.81 × 105 M−1, with a 1:1 stoichiometry for Zn2+–L interactions, was established. Additionally, a low detection limit of 2.51 × 10−8 M and a rapid response time were observed. Furthermore, the chemical inputs of Zn2+ and Cu2+ ions meet the conditions of an INHIBIT molecular logic gate.

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开发用于检测乙醇水溶液中锌离子的高选择性、高灵敏度荧光化学传感器:利用高稀释条件法合成新的杂氮-氧代大环
摘要 利用高稀释条件法,合成了一种新的杂氮-氧代大环(简称 L)作为化学传感器。利用荧光研究对 L 的化学传感能力进行了深入研究。研究结果表明,L 能对锌离子的存在做出有效反应,导致荧光强度显著增加。研究人员进行了比较研究,以调查各种金属阳离子的影响,包括 Cr(III)、Mn(II)、Fe(II)、Fe(III)、Co(II)、Ni(II)、Cu(I)、Cu(II)、Zn(II)、Cd(II)、Gd(III)、Na(I)、K(I)、Ba(II)、Mg(II)、Al(III)、Pb(II)、Sn(II)、Hg(II)和 Ag(I)对乙醇水环境中 L 荧光的影响。在研究过程中,我们确定了 Zn2+-L 相互作用的结合常数为 7.81 × 105 M-1,其化学计量为 1:1。此外,我们还观察到了 2.51 × 10-8 M 的低检测限和快速响应时间。此外,Zn2+ 和 Cu2+ 离子的化学输入符合 INHIBIT 分子逻辑门的条件。
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来源期刊
CiteScore
3.30
自引率
8.70%
发文量
0
审稿时长
3-8 weeks
期刊介绍: The Journal of Inclusion Phenomena and Macrocyclic Chemistry is the premier interdisciplinary publication reporting on original research into all aspects of host-guest systems. Examples of specific areas of interest are: the preparation and characterization of new hosts and new host-guest systems, especially those involving macrocyclic ligands; crystallographic, spectroscopic, thermodynamic and theoretical studies; applications in chromatography and inclusion polymerization; enzyme modelling; molecular recognition and catalysis by inclusion compounds; intercalates in biological and non-biological systems, cyclodextrin complexes and their applications in the agriculture, flavoring, food and pharmaceutical industries; synthesis, characterization and applications of zeolites. The journal publishes primarily reports of original research and preliminary communications, provided the latter represent a significant advance in the understanding of inclusion science. Critical reviews dealing with recent advances in the field are a periodic feature of the journal.
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