Two new 2D coordination polymers as a fluorescence “turn-on” probe for highly selective and sensitive detection of Sparfloxacin

IF 2.7 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR Inorganica Chimica Acta Pub Date : 2025-02-06 DOI:10.1016/j.ica.2025.122565

Guiling Gao , Yiming Ren , Lei Wang , Xuanqi Zhang , Xiaoyong Lai , Qin Hou , Yi Li , Zhiyong Teng , Xiaozhong Wang , Qingfeng Yang

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引用次数: 0

Abstract

High selectivity detection and fast response for Sparfloxacin (Spa) is always a challenge. In this paper, two new coordination polymers [InCl(PPA)(H₂O)]_n·nH₂O (1) and [La(PPA)(ox)_1/2(H₂O)]_n (2). (H₂PPA = 3-(pyridin-3-yloxy)phthalic acid, H₂ox = oxalic acid) were synthesized by hydrothermal method and analyzed in depth by X-ray single crystal diffraction, elemental analysis, IR spectroscopy, PXRD and thermogravimetric analysis. Both compounds 1 and 2 display 2D layered structures. Notably, these two compounds behave as fluorescent sensors toward Spa with high sensitivity, selectivity with low detection limits of 18.16 and 48.17 nM, respectively. The present work investigated the mechanism of fluorescence enhancement by Spa for both compounds, which may be the result of the interaction between Spa and ligand. It is worth noting that for the first time, the coordination polymer was established to detect Spa by fluorescence sensing method.

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来源期刊

Inorganica Chimica Acta 化学-无机化学与核化学

CiteScore

6.00

自引率

3.60%

发文量

440

审稿时长

35 days

期刊介绍： Inorganica Chimica Acta is an established international forum for all aspects of advanced Inorganic Chemistry. Original papers of high scientific level and interest are published in the form of Articles and Reviews. Topics covered include: • chemistry of the main group elements and the d- and f-block metals, including the synthesis, characterization and reactivity of coordination, organometallic, biomimetic, supramolecular coordination compounds, including associated computational studies; • synthesis, physico-chemical properties, applications of molecule-based nano-scaled clusters and nanomaterials designed using the principles of coordination chemistry, as well as coordination polymers (CPs), metal-organic frameworks (MOFs), metal-organic polyhedra (MPOs); • reaction mechanisms and physico-chemical investigations computational studies of metalloenzymes and their models; • applications of inorganic compounds, metallodrugs and molecule-based materials. Papers composed primarily of structural reports will typically not be considered for publication.