Utilization of a NIST SRM: a case study for per- and polyfluoroalkyl substances in NIST SRM 1957 organic contaminants in non-fortified human serum
9 Mar 2021 | Anal Bioanal Chem
This manuscript illustratively describes the ways to utilize NIST Standard Reference Materials for chemicals of emerging concern.
Mechanisms for tissue-specific accumulation and phase I/II transformation of 6:2 fluorotelomer phosphate diester in earthworm (M. guillelmi)
9 Mar 2021 | Environ Int
A new pathway of 6:2 fluorotelomer degradation was found in earthworms.
Occurrence, source apportionment, plant bioaccumulation and human exposure of legacy and emerging per- and polyfluoroalkyl substances in soil and plant leaves near a landfill in China
9 Mar 2021 | Sci Total Environ
The human health risk assessment of estimated daily intake showed a decreasing trend with the increasing carbon chain lengths of PFCAs (C4-C9), and the PFASs estimated daily intake indicated further study on the human health risk via vegetable consumption be warranted.
Perfluoroalkyl Acid Binding with Peroxisome Proliferator-Activated Receptors α, γ, and δ, and Fatty Acid Binding Proteins by Equilibrium Dialysis with a Comparison of Methods
9 Mar 2021 | Toxics
This is the first study to report PPARs binding with short-chain PFAS with equilibrium dissociation constants in the sub-micromolar range.
Isolating the AFFF Signature in Coastal Watersheds Using Oxidizable PFAS Precursors and Unexplained Organofluorine
8 Mar 2021 | Environ Sci Technol
Only 24%-63% of total organic fluorine can be linked to AFFF, leaving an unknown contributor of potential PFAS in watersheds.
Hydrolysis of FTOH precursors, a simple method to account for some of the unknown PFAS
3 Mar 2021 | Chemosphere
Analysis of extracts of textile samples with preliminary hydrolysis and without it showed up to 1300-fold higher level of “hidden” FTOHs.
Perfluorinated organics regulating Li2O2 formation and improving stability for Li-oxygen batteries
3 Mar 2021 | Chem Commun (Camb)
This study reveals that PFTBA increases the capacity and provides more possibilities for the application of perfluorinated chemicals in Li-O2 batteries.
Migration histories and perfluoroalkyl acid (PFAA) loads in an estuarine fish: A novel union of analyses to understand variation in contaminant concentrations
3 Mar 2021 | Environ Pollut
This study highlights how mineral particles can be employed to examine links between contaminant concentrations in fish, and their recent migration history.
Emerging contaminants, coerced ignorance and environmental health concerns: The case of per- and polyfluoroalkyl substances (PFAS)
2 Mar 2021 | Sociol Health Illn
Specifically, we analyze corporate and political officials' production of "coerced ignorance" surrounding PFAS and residents' perception of environmental and health concerns under conditions of uncertainty.
Trap-Induced Dense Monocharged Perfluorinated Electret Nanofibers for Recyclable Multifunctional Healthcare Mask
2 Mar 2021 | ACS Nano
PFAS was used to create a durable and long-lasting recyclable mask for healthcare providers.
Per- and polyfluoroalkyl substances and calcifications of the coronary and aortic arteries in adults with prediabetes: Results from the diabetes prevention program outcomes study
2 Mar 2021 | Environ Int
Prediabetic adults with higher plasma concentrations of select PFAS had a higher risk of heart disease.
Associations between perfluoroalkyl acids in serum and lead and mercury in whole blood among US children aged 3-11 years
2 Mar 2021 | Environ Sci Pollut Res Int
Statistically significant associations between concentrations of each PFAA and blood lead were observed, leading to possible synergistic toxicity.
Fabrication of a near-infrared excitation surface molecular imprinting ratiometric fluorescent probe for sensitive and rapid detecting perfluorooctane sulfonate in complex matrix
2 Mar 2021 | J Hazard Mater
A PFAS detecting probe was developed for PFOS determination in surface water, human serum, and egg samples across a range of different pHs.
Time trends of persistent organic pollutants (POPs) and Chemicals of Emerging Arctic Concern (CEAC) in Arctic air from 25 years of monitoring
2 Mar 2021 | Sci Total Environ
PFHxS, PFCAs, and 6:2 fluorotelomer alcohol were found to have consistent or increasing levels over the monitoring period.
Reconstructing the Composition of Per- and Polyfluoroalkyl Substances in Contemporary Aqueous Film-Forming Foams
1 Mar 2021 | Environ Sci Technol Lett
A combination of methods can accurately assign the total PFAS mass attributable to AFFF in an aqueous sample with differentiation of gross precursor classes and identification of major precursor species.