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Updated: Jan 31, 2026

Author Spotlight: Tracking Electrochemistry on Single Nanoparticles with Surface-Enhanced Raman Scattering Spectroscopy and Microscopy
Published on: May 12, 2023
Rapid and sensitive detection of uranyl ion with citrate-stabilized silver nanoparticles by the surface-enhanced
Jiaolai Jiang1, Shaofei Wang1, Hui Deng1
1Institute of Materials, China Academy of Engineering Physics, PO Box No. 9-11, Mianyang, Sichuan 621907, People's Republic of China.
Abstract:
Uranium contamination poses a huge threat to human health due to its widespread use in the nuclear industry and weapons. We proposed a simple and convenient wet-state SERS method for uranyl detection based on the citrate-stabilized silver nanoparticles. The effect of citrate on the detection performance was also discussed. By using the citrate as an internal reference to normalize the peak of uranyl, a quantitative analysis was achieved and a good linear relationship of uranyl concentration from 0.2 to 5 µM with the limit of detection of 60 nM was obtained. With its simplicity, convenience and cost-effectiveness, this method has great potential for the detection of other molecules also.
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