Science - USA (2022-02-04)
then intercede to form car- bon–halogen, carbon–carbon, and carbon–sulfur bonds. A two-step upcycling sequence that added imidaz ...
give rise to all extra-embryonic primitive endoderm tissues and support fetal development of PrE- depleted blastocysts in mouse ...
MISINFORMATION Identifying deepfake videos Deepfake videos that have been digitally manipulated, from face swaps to filters, may ...
511-B 4 FEBRUARY 2022 • VOL 375 ISSUE 6580 science.org SCIENCE RESEARCH CORONAVIRUS The unknowns of an antiviral strategy Broad ...
SCIENCE science.org 4 FEBRUARY 2022 • VOL 375 ISSUE 6580 511-C RESEARCH subtype of HIV that has been circulating in the Netherla ...
REVIEW SUMMARY ◥ CHEMICAL POLLUTION Per- and polyfluoroalkyl substances in the environment Marina G. Evich†,MaryJ.B.Davis†, Jame ...
REVIEW ◥ CHEMICAL POLLUTION Per- and polyfluoroalkyl substances in the environment Marina G. Evich^1 †, Mary J. B. Davis^1 †, Ja ...
Major PFAS groups from direct fluorination include those hydrofluorocarbons, hydrofluoro- ethers, hydrochlorofluoroolefins, and ...
Evichet al.,Science 375 , eabg9065 (2022) 4 February 2022 3 of 14 Oligomerization Direct fluorination Non-PFAS base chemicals HF ...
Three other major PFAS groups formed from oligomerization are fluorotelomers, per- fluoroalkyl(ether) carboxylic and sulfonic ac ...
In addition to accounting for environmental conditions ( 67 ), another complicating factor is that contaminants commonly exist a ...
although transformation kinetics of PFAS mix- tures has not been reported. Furthermore, these complex mixtures could have down- ...
suggest that chemical properties of PFAS also exert a strong influence over plant uptake. Re- ports of plant uptake of emerging ...
summary characterizations such as Total Or- ganic Fluorine and Total Oxidizable Precursor assays as proxies for more informative ...
bond, complete mineralization is difficult, with fluorinated products of incomplete de- struction remaining a concern ( 142 , 14 ...
PFAS-affected drinking water often is the primary route of human exposure ( 146 ), and treatment techniques for aqueous media ar ...
most PFAS do not naturally degrade to non- fluorinated chemical species, these long-term sinks are time-delayed sources. For exa ...
of alkyl sulfonyl fluorides.Environ. Sci. Technol. 47 , 382– 389 (2013). doi:10.1021/es303152m; pmid: 23205559 A. A. Rand, S. A ...
degradation in an anaerobic microbial community. Environ. Sci. Process. Impacts 21 , 1915–1925 (2019). doi:10.1039/C9EM00241C; p ...
polyfluoroalkyl substances across aquatic species. Environ. Toxicol. Chem. 40 , 1530–1543 (2021). doi:10.1002/etc.5010; pmid: 33 ...
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