基于 MOF 涂层金纳米八面体杂化物的 SERS 检测铀酰。

IF 1.8 4区化学 Q3 CHEMISTRY, ANALYTICAL

Analytical Sciences Pub Date : 2024-08-24 DOI:10.1007/s44211-024-00646-z

Chao Yuan, Hongwei Ge, Benmei Cao, Suhua Wang

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引用次数: 0

摘要

能够灵敏、定量地检测复杂样品中的铀酰在环境监测中起着至关重要的作用。本研究利用表面增强拉曼散射（SERS）技术合成了一种 MOF 涂层金（Au）纳米杂化物，用于检测铀酰。MOF 外壳不仅能防止金纳米粒子快速聚集，还能有效增强铀酰的拉曼信号。溶液中的检测限低至 0.5 μM，与之前报道的基于 SERS 方法的检测限相当。此外，制备的 SERS 活性基底还被应用于实际样品中的铀酰检测。

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SERS detection of uranyl based on MOF-coated gold nanooctahedron hybrid

The ability to sensitively and quantitatively detect uranyl in complex samples plays a vital role in environmental monitoring. In this work, an MOF-coated gold (Au) nanohybrid was synthesized for uranyl detection by surface-enhanced Raman scattering (SERS) technology. The MOF shell not only prevents the Au nanoparticles from rapid aggregation, but also effectively enhances the Raman signal of uranyl. A detection limit of as low as 0.5 μM could be achieved in solution, which could be comparable to the previously reported ones from SERS-based approaches. Moreover, the prepared SERS-active substrate was also applied to uranyl detection in real samples.

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来源期刊

Analytical Sciences 化学-分析化学

CiteScore

2.90

自引率

18.80%

发文量

232

审稿时长

1 months

期刊介绍： Analytical Sciences is an international journal published monthly by The Japan Society for Analytical Chemistry. The journal publishes papers on all aspects of the theory and practice of analytical sciences, including fundamental and applied, inorganic and organic, wet chemical and instrumental methods. This publication is supported in part by the Grant-in-Aid for Publication of Scientific Research Result of the Japanese Ministry of Education, Culture, Sports, Science and Technology.