ReviewAnalytical and bioanalytical chemistry2026
Recent advances in pretreatment technologies for the analysis of per- and polyfluoroalkyl substances.
Review in Analytical and bioanalytical chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Per- and polyfluoroalkyl substances (PFASs) are persistent pollutants with shifting pollution characteristics toward short-chain and structurally diverse variants, posing great challenges for precise analysis. Pretreatment, as a rate-limiting step, lacks systematic guidance for technology selection. This review makes a unique contribution by constructing a "target substance characteristics-sample matrix-detection requirements" three-dimensional matching framework, systematically categorizing pretreatment technologies into solvent-based, adsorption-based, and advanced types, and dissecting their mechanisms, advantages, limitations, and applicability. Solvent-based technologies excel in long-chain PFASs analysis in simple matrices, while adsorption-based methods enable efficient enrichment of short-chain PFASs via functional materials, and advanced technologies meet green and complex matrix demands. Background contamination control strategies are also emphasized. Current challenges include inefficient short-chain enrichment, high material costs, and underdeveloped on-site devices. Critical needs involve the development of functional solvents, artificial intelligence-driven adsorbents, standardized protocols, and full-process PFASs-free systems. This review provides actionable references for PFASs analysis optimization.
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