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Sensing polymer/paracetamol interaction with an independent component analysis-based SERS-MIP nanosensor

Abstract : In this article, we propose a new strategy to build a sensor for easy handling and rapid analysis on-site. Our sensor is based on the combination of surface enhanced Raman spectroscopy (SERS) and molecularly imprinted polymers (MIPs). SERS provides a strong sensitivity for the detection of traces molecules while MIPs offer a highly selective and specific recognition platform. The research presented here focuses on the detection of the interaction between a robust ultra-thin layer of MIPs and of paracetamol, the targeted molecule. This drug is an environmental emerging pollutant, i.e. a molecule whose presence and significance have not yet been elucidated, which gives rise to health and environmental concerns. The results are a combined analysis of the SERS spectra and a multivariate analysis. The former provides a clear demonstration of the evolution of the MIP-nanostructure interaction when the concentration of paracetamol increases. The statistical analysis produces the proof of the selectivity of the sensor.
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https://hal.archives-ouvertes.fr/hal-03705799
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Soumis le : lundi 27 juin 2022 - 12:15:07
Dernière modification le : vendredi 5 août 2022 - 12:00:12

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Decorbie et al Plasmonics 2020...
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N. Decorbie, I. Tijunelyte, S. Gam-Derouich, J. Solard, A. Lamouri, et al.. Sensing polymer/paracetamol interaction with an independent component analysis-based SERS-MIP nanosensor. Plasmonics, Springer Verlag, 2020, 15 (5), pp.1533-1539. ⟨10.1007/s11468-020-01177-9⟩. ⟨hal-03705799⟩

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