Showing 4531-4545 of 5433
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Michigan State launches new PFAS research center
News
20 May 2020
The primary goals of the Center are to quantify exposure and risk for people, livestock, crops, fish and wildlife, to develop and test remediation strategies and technologies and to explore safer PFAS alternatives.
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Per- and polyfluoroalkyl substances (PFASs) in blood of captive Siberian tigers in China: Occurrence and association with biochemical parameters
Science
19 May 2020 | Env Poll
Ten PFASs were detected in the blood of captive Siberian tigers, including PFOS alternative 6:2 Cl-PFESA, primarily from the consumption of PFAS-contaminated meat.
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Removal of eight perfluoroalkyl acids from aqueous solutions by aeration and duckweed
Science
19 May 2020 | Sci the Total Env
With duckweed, >95% of long chain PFAS at 200 ppb were removed after 2 weeks.
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Perfluoroalkyl Substance Exposure Was Negatively Associated With Cortisone Levels in Pregnancy
Science
19 May 2020 | J Endocr Soc
Early pregnancy concentrations of maternal PFAS were inversely associated with late pregnancy cortisone levels, indicating potential endocrine disruption in highly exposed mothers.
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Investigation of Levels of Perfluoroalkyl Substances in Surface Water, Sediment and Fish Tissue in New Jersey, USA
Science
19 May 2020 | Sci of Total Env
PFOS, PFDA, PFUnA, and PFDoA were the predominant PFAS detected in fish tissue with the highest levels downstream of a military facility.
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GenX social implications under careful review
News
19 May 2020 | Bladen Journal
In Bladen County, where the Chemours plant is located and ranks No. 2 on the county taxpayer list, the county will let the state do its investigations first.
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Challenges in the analytical determination of ultra-short-chain perfluoroalkyl acids and implications for environmental and human health
Science
19 May 2020 | Anal Bioanal Chem
The present review gives an overview of the currently used analytical methods and summarizes the findings regarding potential analytical challenges regarding ultra-short-chain PFAS.
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Association of perfluoroalkyl substances with gestational hypertension and preeclampsia in the MIREC study.
Science
19 May 2020 | Environ Int
Higher levels of PFHxS were associated with the development of preeclampsia during pregnancy.
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Adverse effects of in vitro GenX exposure on rat thyroid cell viability, DNA integrity and thyroid-related genes expression.
Science
19 May 2020 | Environ. Pollut.
GenX exposure is associated with endocrine disruption by damaging the thyroid cell's DNA.
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Federal grand jury wraps with no criminal charges for Chemours
News
18 May 2020 | WRAL.com
The company said that, though the federal criminal case is no longer a threat, "it is not possible at this point to predict the timing, course, or outcome of all governmental and regulatory inquiries and notices and litigation."
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PFAS-free firefighting foams: Are they safer?
News
18 May 2020 | Environmental Health News
There are between 30 and 35 manufacturers of PFAS-free foams worldwide, marketing more than 100 PFAS-free foams. In January, Clean Production Action launched the first eco-label certification program for PFAS-free firefighting foams.
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Swapping CFCs for other chemicals may have led to contaminated food
News
16 May 2020 | Brinkwire
A recent study emphasizes the importance of properly studying the replacement compounds to catch any problems before they can adversely impact human health and the environment.
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Webinar highlights: PFAS analysis
News
15 May 2020 | New Food Magazine
Sample preparation and chromatography concepts of non-routine PFAS analyses from multiple matrices have been discussed.
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[Blog] House bill would ban sale, production of PFAS in North Carolina
News
15 May 2020 | The Progressive Pulse
The measure would also prohibit the export of the toxic compounds, “except for products specifically authorized or required to contain PFAS under federal law.”
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Ozone layer: Concern grows over threat from replacement chemicals
News
14 May 2020 | BBC News
Canadian researchers, studying ice samples from the Arctic dating back to the 1990s, have found "dramatically" increasing levels of ozone replacements called short chain perfluoroalkyl carboxylic acids (scPFCAs).