Detecting tetracycline with one drop of water in a zeolitic sensor through visualized cyan light

IF 4.9 2区化学 Q1 CHEMISTRY, ANALYTICAL

Microchemical Journal Pub Date : 2025-09-06 DOI:10.1016/j.microc.2025.115211

Xingai Ge , Yanqiu Chen , Na Zhang , Xiyuan Tong , Yifeng E , Li Li , Kun Qian , Zhuozhe Li

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Abstract

The excessive utilization of antibiotics has led to a considerable amount of tetracycline (TC) residues in the water system, giving rise to ecosystem disruption and human health risk. Detecting TC residues through a pragmatic, rapid, and sensitive approach is an imperative need. In this research, a composite fluorescence sensor is combined with the TiFe dual-doped nanoparticles and the sodalite (SOD) structured zeolite. The sensor is as-synthesized in a one-pot reaction under the hydrothermal condition, in which the Ti and Fe nanoparticles are uniformly embedded and highly dispersed within the zeolite. With the LOD 0.12 μM of TC, cyan light can be observed through the sensor. A self-service home testing solution is prepared by mixing a drop of liquid to be tested, milligrams of sensor powders, and several milliliters of ethanol. Under ultraviolet light irradiation, the cyan emission light indicates the presence of TC in the liquid. And the light became stronger with more TC concentration. The sensor demonstrates outstanding stability, repeatability, selectivity, and sensitivity.

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通过可视化青色光，在沸石传感器中用一滴水检测四环素

抗生素的过度使用导致水系统中存在大量四环素残留，造成生态系统破坏和人类健康风险。通过实用、快速和灵敏的方法检测TC残留是迫切需要的。在本研究中，将TiFe双掺杂纳米颗粒与SOD结构沸石相结合，制备了一种复合荧光传感器。该传感器是在水热条件下通过一锅反应合成的，其中Ti和Fe纳米颗粒均匀嵌入并高度分散在沸石中。在TC的LOD为0.12 μM时，通过传感器可以观察到青色光。一种自助家庭测试方案是将一滴待测液体、几毫克传感器粉末和几毫升乙醇混合而成。在紫外光照射下，青色发射光表明液体中存在TC。TC浓度越高，光越强。该传感器具有出色的稳定性、可重复性、选择性和灵敏度。

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来源期刊

Microchemical Journal 化学-分析化学

CiteScore

8.70

自引率

8.30%

发文量

1131

审稿时长

1.9 months

期刊介绍： The Microchemical Journal is a peer reviewed journal devoted to all aspects and phases of analytical chemistry and chemical analysis. The Microchemical Journal publishes articles which are at the forefront of modern analytical chemistry and cover innovations in the techniques to the finest possible limits. This includes fundamental aspects, instrumentation, new developments, innovative and novel methods and applications including environmental and clinical field. Traditional classical analytical methods such as spectrophotometry and titrimetry as well as established instrumentation methods such as flame and graphite furnace atomic absorption spectrometry, gas chromatography, and modified glassy or carbon electrode electrochemical methods will be considered, provided they show significant improvements and novelty compared to the established methods.