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Article Dans Une Revue Talanta Année : 2023

Molecularly imprinted polymers for per-and polyfluoroalkyl substances enrichment and detection

Aicha Tasfaout
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Farah Ibrahim
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Aoife Morrin
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Hugues Brisset
Ilaria Sorrentino
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Clément Nanteuil
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Guillaume Laffite
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Ian Nicholls
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Fiona Regan
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Catherine Branger
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Résumé

Per-and polyfluoroalkyl substances (PFAS) are highly toxic pollutants of significant concern as they are being detected in water, air, fish and soil. They are extremely persistent and accumulate in plant and animal tissues. Traditional methods of detection and removal of these substances use specialised instrumentation and require a trained technical resource for operation. Molecularly imprinted polymers (MIPs), polymeric materials with predetermined selectivity for a target molecule, have recently begun to be exploited in technologies for the selective removal and monitoring of PFAS in environmental waters. This review offers a comprehensive overview of recent developments in MIPs, both as adsorbents for PFAS removal and sensors that selectively detect PFAS at environmentally-relevant concentrations. PFAS-MIP adsorbents are classified according to their method of preparation (e.g., bulk or precipitation polymerization, surface imprinting), while PFAS-MIP sensing materials are described and discussed according to the transduction methods used (e.g., electrochemical, optical). This review aims to comprehensively discuss the PFAS-MIP research field. The efficacy and challenges facing the different applications of these materials in environmental water applications are discussed, as well as a perspective on challenges for this field that need to be overcome before exploitation of the technology can be fully realised.
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Dates et versions

hal-04475513 , version 1 (23-02-2024)

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Aicha Tasfaout, Farah Ibrahim, Aoife Morrin, Hugues Brisset, Ilaria Sorrentino, et al.. Molecularly imprinted polymers for per-and polyfluoroalkyl substances enrichment and detection. Talanta, 2023, 258, pp.124434. ⟨10.1016/j.talanta.2023.124434⟩. ⟨hal-04475513⟩

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