Showing 1171-1185 of 1398
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Investigating Molecular Mechanisms of Immunotoxicity and the Utility of ToxCast for Immunotoxicity Screening of Chemicals Added to Food
Science
13 Apr 2021 | Int J Environ Res Public Health
PFAS show weak or no activity in immune-related ToxCast assays, which differs from traditional toxicological studies.
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Biological and behavioural responses of European honey bee (Apis mellifera) colonies to perfluorooctane sulfonate (PFOS) exposure
Science
12 Apr 2021 | Integr Environ Assess Manag
PFOS exposure adversely affects honey bee colonies and may transfer to honey.
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EPA Considering Revised Effluent Limitations Guideline Relating to PFAS
Policy
8 Apr 2021
Recently, the U.S. EPA took a preliminary step toward requiring limits on some National Pollutant Discharge Elimination System discharges of PFAS into surface water.
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The interplay between environmental exposures and COVID-19 risks in the health of children
Science
7 Apr 2021 | Env. Health
An international group of researchers interested in children’s environmental health was invited to identify knowledge gaps and to develop research questions to close these gaps.
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Occurrence of per- and polyfluoroalkyl substances and unidentified organofluorine in leachate from waste-to-energy stockpile - A case study
Science
6 Apr 2021 | Chemosphere
Short-chain PFASs were dominant in leachate from a Waste-to-Energy stockpile with 88% extractable organofluorine coming from unidentified substances.
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A Fresh Look at Stress and Resilience in Communities Affected by Environmental Contamination
Science
5 Apr 2021 | Journal of Environmental Health
A perspective on the stress related to living in a contaminated community.
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Solving the Challenges of PFAS
Events
30 Mar 2021
The Royal Society of Chemistry will be holding a webinar to discuss the British strategy to identify where the chemical sciences can provide solutions to challenges associated with the management and regulation of PFAS in consumer goods and industrial processes.
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High-throughput transcriptomic analysis of human primary hepatocyte spheroids exposed to per- and polyfluoroalkyl substances (PFAS) as a platform for relative potency characterization
Science
30 Mar 2021 | Toxicol Sci
The data indicate that PFOA, PFBS, PFOS, and PFDA may have common molecular targets and toxicities, but that PFOS and PFDS are the most similar.
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Per- and Polyfluoroalkyl Substances in Outdoor and Indoor Dust from Mainland China: Contributions of Unknown Precursors and Implications for Human Exposure
Science
30 Mar 2021 | Environ Sci Technol
From 2013 to 2017, the median concentration of total PFAS in outdoor dust tripled with an elevated contribution of trifluoroacetic acid and 6:2 fluorotelomer alcohol.
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[Blog] Lowe’s bans PFAS in fabric protector sprays
News
29 Mar 2021 | NRDC Blog
As commitments to remove PFAS from products on store shelves gather steam, manufacturers should ensure that replacements are safe and should disclose all ingredients used in all fabric protectors they make.
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A tale of PFAS, pollution, and patent claims
News
27 Mar 2021 | C&EN
Analytical reference standards are not known for attracting intrigue and drama. Recently, though, the specter of patent infringement lawsuits has prevented researchers from quantifying environmental contamination by a perfluorinated “forever chemical.”
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Getting control of PMT and vPvM substances under REACH
Events
25 Mar 2021
This workshop will feature case studies of selected, emerging PMT/vPvM substances that are attracting increasing attention (e.g. ChemSEC's SIN List).
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The new PFAS C6O4 and its effects on marine invertebrates: First evidence of transcriptional and microbiota changes in the Manila clam Ruditapes philippinarum
Science
23 Mar 2021 | Environ Int
PFOA replacement was found not to be significantly less toxic.
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Characterization of an AFFF impacted freshwater environment using total fluorine, extractable organofluorine and suspect per- and polyfluoroalkyl substance screening analysis
Science
23 Mar 2021 | Chemosphere
A tool was developed to close the organofluorine mass balance and to tentatively identify overlooked PFASs in various water sources.
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PFAS Water Lawsuits Expose Financial Impacts on State’s Poor Communities
Policy
22 Mar 2021
Santa Clarita, a comfortable exurb of some 213,000 residents about 30 miles northwest of Los Angeles, is one of hundreds of California communities and districts grappling with the pricey problem of drinking water that’s been tainted by PFAS.