High-efficiency SERS platform based on 3D porous PPDA@Au NPs as a substrate for the detection of pesticides on vegetables

Anal. Methods, 2023, 15,4842-4850
DOI: 10.1039/D3AY00808H, Paper
Zhiyou Zeng, Xiaoyu Yang, Yongguo Cao, Sanshan Pu, Xinyu Zhou, Rongli Gu, Yiqian Zhang, Caijun Wu, Xiaojun Luo, Yi He
A 3D composite nanoparticle of porous PDA microspheres and Au NPs (PPDA@Au NPs) is proposed as a SERS substrate to detect pesticides. Porous PPDA nanospheres as a carrier and reductant to immobilize Au NPs for enhancing the Raman signal.
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