A Cd (II)-based Metal–Organic Framework as Switch-Off Fluorescence Sensors for Antibiotic Detection

IF 3.7 2区化学 Q2 CHEMISTRY, APPLIED

Applied Organometallic Chemistry Pub Date : 2024-10-03 DOI:10.1002/aoc.7792

Zhi-Chao Yin, Manaswini Ray, Cai-Yang Liu, Trilochan Dakua, Mohammad Khalid Parvez, Mohammed S. Al-Dosari, Aurobinda Mohanty, Jun-Cheng Jin

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Abstract

Detecting antibiotic residues is crucial for monitoring their excessive use in healthcare and agricultural practices. Herein, a new 3D metal–organic framework (MOF) containing {[Cd (bpyp)(sdba)]·DMF·2H₂O}_n (1) (bpyp = 2,5-bis (pyrid-4-yl)pyridine and H₂sdba = 4,4′-sulfonyldibenzoic acid) has been designed and synthesized. MOF 1 displays sensitive detection tetracycline (TCY) with a limit of detection below 7.67 × 10⁻⁶ M in an aqueous solution. The detection mechanism involves competitive absorption between MOF 1 and antibiotics, supported by UV–vis spectroscopy and fluorescence lifetime measurements. MOF 1 exhibits a visible fluorescence response to TCY under a 254 nm UV lamp. MOF 1 is applied in the quantitative detection of TCY in lake water with the recovery based on the sensing platform was 92.26–107.54% with RSD (%) less than 4.38%, indicating outstanding reliability.

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基于Cd （II）的金属-有机骨架作为抗生素检测的关闭荧光传感器

检测抗生素残留对于监测其在卫生保健和农业实践中的过度使用至关重要。本文设计并合成了一种含有{[Cd (bpyp)(sdba)]·DMF·2H2O}n (1) （bpyp = 2,5-双（吡啶-4-基）吡啶和H2sdba = 4,4′-磺酰基二苯甲酸）的新型三维金属有机骨架（MOF）。MOF 1对四环素（TCY）的检测灵敏度高，在水溶液中检测限低于7.67 × 10−6 M。检测机制涉及MOF - 1和抗生素之间的竞争吸收，并得到了紫外可见光谱和荧光寿命测量的支持。在254 nm紫外灯下，MOF 1对TCY表现出可见荧光响应。将MOF 1应用于湖泊水体中TCY的定量检测，基于传感平台的回收率为92.26 ~ 107.54%，RSD（%）小于4.38%，可靠性较好。

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来源期刊

Applied Organometallic Chemistry 化学-无机化学与核化学

CiteScore

7.80

自引率

10.30%

发文量

408

审稿时长

2.2 months

期刊介绍： All new compounds should be satisfactorily identified and proof of their structure given according to generally accepted standards. Structural reports, such as papers exclusively dealing with synthesis and characterization, analytical techniques, or X-ray diffraction studies of metal-organic or organometallic compounds will not be considered. The editors reserve the right to refuse without peer review any manuscript that does not comply with the aims and scope of the journal. Applied Organometallic Chemistry publishes Full Papers, Reviews, Mini Reviews and Communications of scientific research in all areas of organometallic and metal-organic chemistry involving main group metals, transition metals, lanthanides and actinides. All contributions should contain an explicit application of novel compounds, for instance in materials science, nano science, catalysis, chemical vapour deposition, metal-mediated organic synthesis, polymers, bio-organometallics, metallo-therapy, metallo-diagnostics and medicine. Reviews of books covering aspects of the fields of focus are also published.