Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 447, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2023.130805
Keywords
PFAS; Emerging contaminants; Adsorption; Phytotoxicity; Plant uptake
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Per- and polyfluoroalkyl substances (PFAS), with at least one aliphatic perfluorocarbon moiety, have high water-solubility and weak adsorption onto soil particles, leading to their rapid and extensive transport in the environment. Due to their widespread presence and known toxicity, PFAS pose a serious threat to the ecosystem and public health. Investigating the interactions of plants with PFAS is crucial, as plants are essential components of the ecosystem and play a significant role in the fate and transport of PFAS and human health.
Per-and polyfluoroalkyl substances (PFAS) are a group of legacy and emerging contaminants containing at least one aliphatic perfluorocarbon moiety. They display rapid and extensive transport in the environment due to their generally high water-solubility and weak adsorption onto soil particles. Because of their widespread presence in the environment and known toxicity, PFAS has become a serious threat to the ecosystem and public health. Plants are an essential component of the ecosystem and their uptake and accumulation of PFAS affect the fate and transport of PFAS in the ecosystem and has strong implications for human health. It is therefore imperative to investigate the interactions of plants with PFAS. This review presents a detailed discussion on the mechanisms of the bioavailability and plant uptake of PFAS, and essential factors affecting these processes. The phytotoxic effects of PFAS at physiological, biochemical, and molecular level were also carefully reviewed. At the end, key research gaps were identified, and future research needs were proposed.
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