Sulfonic functionalized UIO-66 octahedrons for detecting ppb level cadaverine in water

IF 3.5 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Journal of Solid State Chemistry Pub Date : 2025-01-10 DOI:10.1016/j.jssc.2025.125200

Luyu Wang , Jia Song , Chunyang Yu

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Abstract

Cadaverine, a compound produced during biological decomposition, possesses a degree of acute toxicity to humans and poses risks to aquatic life. As the need for cadaverine detection intensifies, quartz crystal microbalance (QCM) technology stands out due to its exceptional sensitivity and consistent performance. In this research, we synthesized sulfonic acid-functionalized UIO-66 (UIO-66-SO₃H) octahedrons employing a solvothermal approach. These UIO-66-SO₃H octahedrons served as the sensing element in a QCM sensor specifically designed for detecting cadaverine in water. Notably, the sensor demonstrated the ability to detect cadaverine at a concentration of 1 part per billion (ppb), with a frequency shift of approximately 48 Hz within 300 s. Furthermore, we conducted a comprehensive analysis of the sensor's continuous response, selectivity, and resistance to interference. Our findings suggest that this cadaverine detection method is swift, economical, and potentially adaptable to diverse water pollution inspection scenarios resulting from biological decomposition.

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磺酸功能化UIO-66八面体检测水中ppb水平尸胺

尸胺是生物分解过程中产生的一种化合物，对人类具有一定程度的急性毒性，并对水生生物构成威胁。随着尸体检测需求的增加，石英晶体微天平（QCM）技术因其卓越的灵敏度和一致的性能而脱颖而出。本研究采用溶剂热法合成了磺酸功能化的UIO-66 （UIO-66- so3h）八面体。这些UIO-66-SO3H八面体作为QCM传感器的传感元件，专门用于检测水中尸胺。值得注意的是，该传感器能够在300秒内检测到十亿分之一（ppb）浓度的尸胺，频率漂移约为48 Hz。此外，我们对传感器的连续响应、选择性和抗干扰性进行了全面的分析。我们的研究结果表明，这种尸胺检测方法快速，经济，并且可能适用于生物分解引起的各种水污染检测场景。

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来源期刊

Journal of Solid State Chemistry 化学-无机化学与核化学

CiteScore

6.00

自引率

9.10%

发文量

848

审稿时长

25 days

期刊介绍： Covering major developments in the field of solid state chemistry and related areas such as ceramics and amorphous materials, the Journal of Solid State Chemistry features studies of chemical, structural, thermodynamic, electronic, magnetic, and optical properties and processes in solids.