Showing 16-30 of 196
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Individual and joint associations of exposure to per- and polyfluoroalkyl substances with children's mitochondrial DNA copy number, and modified by estimated glomerular filtration rate
Science
10 Dec 2024 | Environ Res
Legacy and emerging PFAS, especially PFOA, were associated with lower levels of mitochondrial DNA in children, with more pronounced associations seen in those with weaker kidney function and older age, highlighting the potential health risks of PFAS exposure in early life.
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Concentrations and exposure risks of per- and polyfluoroalkyl substances in human milk from Southern China during the first 400 days of lactation
Science
2 Dec 2024 | Ecotoxicol Environ Saf
Infants consuming breastmilk during their first 400 days face significant health risks from PFAS exposure, especially in the first 45 days, making it crucial to minimize dietary and environmental PFAS exposure in lactating women to reduce concentrations in human milk.
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Nontarget Analysis Combined with TOP Assay Reveals a Significant Portion of Unknown PFAS Precursors in Firefighting Foams Currently Used in China
Science
9 Sep 2024 | Environ. Sci. Technol.
Researchers identified 54 PFAS compounds, including seven novel ones, in Chinese firefighting foams, with some meeting persistence, bioaccumulation, and toxicity criteria, and advanced analysis revealed additional PFAS precursors that were previously undetected.
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Concentration and human health risk attribute to per-and polyfluoroalkyl substances in fillet of carp and tilapia fish: systematic review and meta-analysis
Science
22 Aug 2024 | J. Food Compos. Anal.
The meta-analysis revealed that PFAS concentrations are highest in tilapia (193.45 µg/kg) and carp (47.17 µg/kg) from China, with the highest non-carcinogenic risk from PFAS consumption for adults also observed in China; risk levels in other countries are notably lower, though ongoing monitoring is needed.
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Characterization of the Bioavailability of Per- and Polyfluoroalkyl Substances in Farmland Soils and the Factors Impacting Their Translocation to Edible Plant Tissues
Science
22 Aug 2024 | Environ Sci Technol
PFAS were detected in all crops from the Fen-Wei Plain, with higher accumulation in leafy vegetables and stronger bioavailability in soils with more dissolved organic carbon; plant tissue lipid and protein contents significantly influenced PFAS accumulation.
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Associations between prenatal exposure to per- and polyfluoroalkyl substances and plasma immune molecules in three-year-old children in China
Science
27 Jul 2024 | Toxicol Appl Pharmacol
Prenatal exposure to PFAS significantly affects immune molecule levels in three-year-old children, with specific PFAS linked to increases in interleukins and Eotaxin-3, which help regulate the immune system, highlighting the need to understand environmental impacts on early immune development.
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Combining Freshwater Irrigation with Vegetable Selection to Mitigate the Occurrence of Per-and Polyfluoroalkyl Substances in Edible Vegetable Parts in a Semiarid Farmland in Northwestern China
Science
2 Jul 2024 | ACS ES&T Water
Reclaimed-water irrigation can introduce PFAS into farmlands, but switching to freshwater irrigation reduces PFAS levels in vegetables, with carrots and potatoes accumulating fewer contaminants than cabbage and pak choi, highlighting the importance of cleaner irrigation water for growing nonleafy vegetables.
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Carry-over rate of per- and polyfluoroalkyl substances to raw milk and human exposure risks in different regions of China.
Science
11 Jun 2024 | Sci Total Environ
The presence of PFAS in cow feed, drinking water, and raw milk across 20 regions in China reveals significant health risks, particularly for preschool children, due to the accumulation and transfer of these substances through milk consumption.
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Association of co-exposure to organophosphate esters and per- and polyfluoroalkyl substances and mixture with cardiovascular-kidney-liver-metabolic biomarkers among Chinese adults
Science
4 Jun 2024 | Ecotoxicol Environ Saf
Exposure to common environmental contaminants like organophosphate esters and PFAS, especially PFHxS and PFNA, is associated with disruptions in liver function and cholesterol levels, suggesting potential risks for chronic diseases due to their widespread presence in the human body.
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Nationwide distribution of perfluoroalkyl ether carboxylic acids in Chinese diets: An emerging concern
Science
22 Apr 2024 | Environment International
PFECAs, particularly HFPO-DA, were found in high concentrations in Chinese diet samples, with estimated daily intake levels nearing or exceeding safety benchmarks set by the US EPA, especially in cereals.
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Crop Contamination and Human Exposure to Per- and Polyfluoroalkyl Substances around a Fluorochemical Industrial Park in China
Science
4 Apr 2024 | Toxics
Researchers examined the environmental consequences of transitioning from PFOS to shorter-chain alternatives like PFBS in two PFAS manufacturing plants in Fujian, China, revealing significant contamination of surface water, sediment, and fish by various PFAS compounds, highlighting ongoing environmental risks and emphasizing the need for effective management strategies to mitigate ecological impacts.
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Global quantification of emerging and legacy per- and polyfluoroalkyl substances in indoor dust: Levels, profiles and human exposure
Science
1 Apr 2024 | Sci Total Environ
PFAS were found in house dust across six global regions, with variations in concentration and composition likely influenced by geography and socioeconomic factors, implying potential exposure risks for toddlers, although overall health risks seem minimal.
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Effect modification by maternal vitamin D status in the association between prenatal exposure to per- and polyfluoroalkyl substances and neurodevelopment in 2-year-old children
Science
5 Mar 2024 | Environ Int
In a Chinese birth cohort, researchers investigated how prenatal exposure to PFAS affects childhood neurodevelopment, finding that while PFAS exposure was linked to lower language scores and increased risk of delay overall, the impact varied based on maternal vitamin D levels.
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Integrated Analysis of Per-and Polyfluoroalkyl Substance Exposure and Metabolic Profiling of Elderly Residents Living near Industrial Plants
Science
26 Feb 2024 | Environ. Sci. Technol.
Significant associations between PFAS exposure levels and metabolic profiles were identified among those residing near industrial plants, particularly within lipid metabolism pathways, shedding light on potential adverse health effects and emphasizing the importance of understanding and mitigating these risks.
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Tree barks for retrospective measurement and source appointment of airborne perfluoroalkyl and polyfluoroalkyl substances
Science
16 Jan 2024 | Environ. Pollut.
Tree bark was found to be a valuable bioindicator for assessing airborne PFAS pollution, offering a long-term perspective on historical PFAS emissions and allowing for the characterization and tracking of sources, as demonstrated in a study of eight cities in southern Jiangsu Province, China.