Hydrazide chemosensor detects fluoride ions cooperatively for binding fluoride and potassium ions

IF 4.3 2区化学 Q1 SPECTROSCOPY

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy Pub Date : 2024-10-30 DOI:10.1016/j.saa.2024.125356

Natan de Moura Uchiyama, Norberto S. Gonçalves, Izilda A. Bagatin

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Abstract

Chemosensors to detect ions have been increasingly studied to distinguish hazardous and economic species, and detecting and recuperating ions is crucial. Searching for a low-cost technique and better chemosensors, our group presents exciting results, using the UV–Vis technique to evidence the effective interaction between the ligand (1) and the anions F⁻, Ac⁻, and CrO₄²⁻, as well as the NMR titration. Low LOD for these ions (3.0 × 10^–7–6.3 × 10⁻⁸ mol dm⁻³) showed a high affinity for all the anions. A curious cooperative binding of fluoride and potassium to the ligand was observed for the first time, giving a high sensibility for ligand 1. Due to the high affinity of the ligand for these anionic species, binding strength, and low interference, the excellent applicability of the sensor’s potential for environmental problems becomes evident.

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肼类化学传感器检测氟离子，与氟离子和钾离子协同结合

为了区分危险和经济物种，人们越来越多地研究检测离子的化学传感器，而检测和回收离子至关重要。为了寻求一种低成本技术和更好的化学传感器，我们的研究小组利用紫外可见光技术证明了配体（1）与阴离子 F-、Ac- 和 CrO42- 之间的有效相互作用，并利用核磁共振滴定法取得了令人振奋的成果。这些离子的低 LOD 值（3.0 × 10-7-6.3 × 10-8 mol dm-3）显示了对所有阴离子的高亲和力。由于配体对这些阴离子的高亲和力、结合强度和低干扰，该传感器在解决环境问题方面的巨大应用潜力显而易见。

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来源期刊

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 物理-光谱学

CiteScore

8.40

自引率

11.40%

发文量

1364

审稿时长

40 days

期刊介绍： Spectrochimica Acta, Part A: Molecular and Biomolecular Spectroscopy (SAA) is an interdisciplinary journal which spans from basic to applied aspects of optical spectroscopy in chemistry, medicine, biology, and materials science. The journal publishes original scientific papers that feature high-quality spectroscopic data and analysis. From the broad range of optical spectroscopies, the emphasis is on electronic, vibrational or rotational spectra of molecules, rather than on spectroscopy based on magnetic moments. Criteria for publication in SAA are novelty, uniqueness, and outstanding quality. Routine applications of spectroscopic techniques and computational methods are not appropriate. Topics of particular interest of Spectrochimica Acta Part A include, but are not limited to: Spectroscopy and dynamics of bioanalytical, biomedical, environmental, and atmospheric sciences, Novel experimental techniques or instrumentation for molecular spectroscopy, Novel theoretical and computational methods, Novel applications in photochemistry and photobiology, Novel interpretational approaches as well as advances in data analysis based on electronic or vibrational spectroscopy.