Showing 1-15 of 820
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Uptake of individual and mixed per- and polyfluoroalkyl substances (PFAS) by soybean and their effects on functional genes related to nitrification, denitrification, and nitrogen fixation
Science
10 Sep 2022 | Sci. Total Environ.
The synergistic effect of a PFAS mixture increased the uptake of individual PFAS in soybeans, which led to changes in genes involved in the nitrogen cycle.
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2022 Interim Updated PFOA and PFOS Health Advisories
Policy
15 Jun 2022
The health advisory levels for PFOA and PFOS were greatly decreased, indicating that negative health effects may occur with concentrations of PFOA or PFOS in water that are near zero.
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Occurrence, distribution, and input pathways of per-and polyfluoroalkyl substances in soils near different sources in Shanghai
Science
13 Jun 2022 | Environ. Pollut.
Many PFAS were detected throughout soils, with highest concentrations near fire stations and industrial areas.
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Early-pregnancy plasma per- and polyfluoroalkyl substance (PFAS) concentrations and hypertensive disorders of pregnancy in the Project Viva cohort
Science
6 Jun 2022 | Environ Int
Exposure to certain PFAS may increase the odds of gestational hypertension during pregnancy, with potential implications for maternal and child health outcomes.
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Estimated daily intake of per- and polyfluoroalkyl substances related to different particle size fractions of house dust
Science
6 Jun 2022 | Chemosphere
Children’s estimated daily intake for the sum of PFOA, PFNA, PFHxS, and PFOS from house dust exposure is close to the tolerable weekly intake value presented by the European Union.
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Are resource recovery insects safe for feed and food? A screening approach for bioaccumulative trace organic contaminants
Science
1 Jun 2022 | Sci. Total Environ.
Four PFAS (PFBA, PFOA, PFBS, and PFOS) did not bioaccumulate in larvae, and non-target analysis revealed emerging PFAS present in larvae and almond hulls.
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Emerging and Legacy Per- and Polyfluoroalkyl Substances in an Elderly Population in Jinan, China: The Exposure Level, Short-Term Variation, and Intake Assessment
Science
24 May 2022 | Environ Sci Technol
Dietary ingestion, especially fish, was likely an important exposure pathway for PFAS among elderly adults in one city.
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Sorption of Per-and Polyfluoroalkyl Substances (PFAS) using Polyethylene (PE) microplastics as adsorbent: Grand Canonical Monte Carlo and Molecular Dynamics (GCMC-MD) studies
Science
17 May 2022 | Int. J. Environ. Anal. Chem.
Several PFAS were found to easily sorb on to polyethylene microplastics, especially as pollutant concentration increased.
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Putting the Brakes on Toxic “Forever Chemicals” in Maryland
Policy
10 May 2022
On April 21, Maryland Governor Larry Hogan signed into state law SB0273/HB0275, the George “Walter” Taylor Act, which curtails the introduction of new PFAS into the environment.
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Interaction of Per-and Polyfluoroalkyl Substances and Allostatic Load among Adults in Various Occupations
Science
10 May 2022 | Diseases
Increased chronic physiological stress was positively associated with serum concentrations of certain PFAS, as well as with different occupation groups such as Public Administration and Arts, Entertainment, and Recreation.
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Identification of Branched and Linear Forms of PFOA and Potential Precursors: A User-Friendly SMILES Structure-based Approach.
Science
10 May 2022 | Front Environ Sci
A new computational toxicology method searched a database of over 10,700 structures and correctly classified PFOA and its related compounds as defined by the Stockholm Convention, with 100% sensitivity and 99.7% accuracy.
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Serum PFAS and Urinary Phthalate Biomarker Concentrations and Bone Mineral Density in 12-19 Year Olds: 2011-2016 NHANES
Science
10 May 2022 | J Clin Endocrinol Metab
Certain PFAS and phthalates may be associated with reduced bone mineral density in adolescent males, which may have implications for lifelong skeletal health.
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Invited Perspective: PFAS and Liver Disease: Bringing All the Evidence Together
Science
2 May 2022 | EHP
The evidence of liver toxicity due to PFAS exposure by Costello et al. underscores the urgent need for further research and for immediate and reasonable public health action.
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‘A worldwide public health threat’: Rob Bilott on his 20-year fight against forever chemicals
News
2 May 2022 | The Guardian
Last month, an Ohio court certified a class action lawsuit brought by lawyer Rob Bilott that would cover 7 million people – and at some point possibly everyone living in the United States – who have been exposed to certain hazardous ‘forever chemicals.'
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Plasma perfluoroalkyl substance exposure and incidence risk of breast cancer: A case-cohort study in the Dongfeng-Tongji cohort
Science
2 May 2022 | Environ Pollut
PFOA, PFHpA, and ΣPFCA concentrations were found to have a positive association with breast cancer risk, and the authors highlighted regulating PFAS as a chemical class for breast cancer prevention.