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Polymers
Volume 17
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10.3390/polym17010081
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Article

Highly Stable Flexible SERS-Imprinted Membrane Based on Plasmonic MOF Material for the Selective Detection of Chrysoidin in Environmental Water

by
Xinyi Liu
1,
Hongji Li
1,*,
Dandan Wang
1,2,*,
Jian Lu
3,
Yilin Wu
4 and
Wei Sun
1
1
Hainan Engineering Research Center of Tropical Ocean Advanced Opto-Electrical Functional Materials, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
2
Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, School of Chemistry and Chemical Engineering, Hainan University, Haikou 570228, China
3
School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong 999077, China
4
Institute of Green Chemistry and Chemical Technology, Advanced Chemical Engineering Laboratory of Green Materials and Energy of Jiangsu Province, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
*
Authors to whom correspondence should be addressed.
Polymers 2025, 17(1), 81; https://doi.org/10.3390/polym17010081
Submission received: 29 October 2024 / Revised: 23 December 2024 / Accepted: 26 December 2024 / Published: 31 December 2024
(This article belongs to the Special Issue Advances in Molecularly Imprinted Polymer Materials)
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Abstract

Chrysoidin (CG) can be ingested into the human body through the skin and cause chronic toxicity, so the detection of CG levels in the environment is crucial. In this study, we synthesize F-Ag@ZIF-8/PVC molecular-imprinted membranes (FZAP-MIM) by an innovative combination of SERS detection, membrane separation, and a molecular-imprinted technique in order to perform the analysis of CG in water. The plasmonic MOF material as a SERS substrate helps to enrich the target and realize the spatial overlap of the target with the nanoparticle tip “hotspot”. To avoid the poor reproducibility of Raman signals caused by the random arrangement of the powder substrate, polyvinyl chloride (PVC) is used to provide support and protection for the powder substrate. PVC has excellent dirt immunity and chemical stability, enabling the substrate to maintain Raman performance under complex and extreme detection conditions. FAZP-MIM has outstanding sensitivity and selectivity and can quickly and accurately capture targets even in the presence of similar structural interferences. The method showed superior recoveries in spiked recovery tests of real water samples and is expected to be practically applied to the trace detection of organic dye molecules in the environment.
Keywords: surface-enhanced Raman scattering; molecular imprinting technology; plasmonic MOF material; selective detection; organic dye surface-enhanced Raman scattering; molecular imprinting technology; plasmonic MOF material; selective detection; organic dye

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MDPI and ACS Style

Liu, X.; Li, H.; Wang, D.; Lu, J.; Wu, Y.; Sun, W. Highly Stable Flexible SERS-Imprinted Membrane Based on Plasmonic MOF Material for the Selective Detection of Chrysoidin in Environmental Water. Polymers 2025, 17, 81. https://doi.org/10.3390/polym17010081

AMA Style

Liu X, Li H, Wang D, Lu J, Wu Y, Sun W. Highly Stable Flexible SERS-Imprinted Membrane Based on Plasmonic MOF Material for the Selective Detection of Chrysoidin in Environmental Water. Polymers. 2025; 17(1):81. https://doi.org/10.3390/polym17010081

Chicago/Turabian Style

Liu, Xinyi, Hongji Li, Dandan Wang, Jian Lu, Yilin Wu, and Wei Sun. 2025. "Highly Stable Flexible SERS-Imprinted Membrane Based on Plasmonic MOF Material for the Selective Detection of Chrysoidin in Environmental Water" Polymers 17, no. 1: 81. https://doi.org/10.3390/polym17010081

APA Style

Liu, X., Li, H., Wang, D., Lu, J., Wu, Y., & Sun, W. (2025). Highly Stable Flexible SERS-Imprinted Membrane Based on Plasmonic MOF Material for the Selective Detection of Chrysoidin in Environmental Water. Polymers, 17(1), 81. https://doi.org/10.3390/polym17010081

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