Finding fluorine: photoproduct formation during the photolysis of fluorinated pesticides

AP Bhat, WCK Pomerantz… - Environmental Science & …, 2022 - ACS Publications
The photolysis of pesticides with different fluorine motifs was evaluated to quantify the
formation of fluorinated products in buffered aqueous systems, advanced oxidation (AOP) …

Wavelength-dependent UV-LED photolysis of fluorinated pesticides and pharmaceuticals

AP Bhat, WCK Pomerantz… - Environmental Science & …, 2023 - ACS Publications
The wavelength dependence of photoproduct formation and quantum yields was evaluated
for fluorinated pesticides and pharmaceuticals using UV-light emitting diodes (LEDs) with …

Electrochemical C–F bond activation of trifluoromethylarenes using silylium ions

S Mondal, B Stevanovic, E Butler, JW Wang… - Chemical …, 2023 - pubs.rsc.org
We report a mild, electrochemical trihydrodefluorination (e-THDF) for breaking highly stable
C–F bonds in trifluoromethyl arenes to form the corresponding methyl arene products …

Using 19F NMR to Investigate Cationic Carbon Dot Association with Per- and Polyfluoroalkyl Substances (PFAS)

RE Lewis, CH Huang, JC White… - ACS Nanoscience Au, 2023 - ACS Publications
There is much concern about per-and polyfluoroalkyl substances (PFAS) based on their
environmental persistence and toxicity, resulting in an urgent need for remediation …

Fluorinated Pharmaceutical and Pesticide Photolysis: Investigating Reactivity and Identifying Fluorinated Products by Combining Computational Chemistry,19F NMR …

AP Bhat, WCK Pomerantz… - Environmental Science & …, 2024 - ACS Publications
Fluorinated breakdown products from photolysis of pharmaceuticals and pesticides are of
environmental concern due to their potential persistence and toxicity. While mass …

Promoted Raney Ni catalyzed hydrodefluorination of fluorophenols under mild conditions via controlling solvents and bases

H Li, X Gong, T Li, S Liu, Y Liu, X Ma, Q Li… - Chemical Engineering …, 2023 - Elsevier
Fluorinated organic compounds (FOCs) are difficult to degrade and persistent in the
environment due to the strong Csingle bondF bond strength. In this context, the applicability …

Photolysis products of fluorinated pharmaceuticals: A combined fluorine nuclear magnetic resonance spectroscopy and mass spectrometry approach

TF Mundhenke, AP Bhat… - Environmental …, 2024 - academic.oup.com
The aqueous photolysis of four pharmaceuticals with varying fluorinated functional groups
was assessed under neutral, alkaline, advanced oxidation, and advanced reduction …

Photochemical Formation of Trifluoroacetic Acid: Mechanistic Insights into a Fluoxetine-Related Aryl-CF3 Compound

Z Guo, AA Attar, Q Qiqige, RJ Lundgren… - … Science & Technology, 2024 - ACS Publications
Trifluoroacetic acid (TFA) is a ubiquitous environmental contaminant; however, its sources
are poorly constrained. One understudied source is from the photochemical reactions of …

Fluorous Liquids for Magnetic Resonance-Based Thermometry with Enhanced Responsiveness and Environmental Degradation

J Li, TF Mundhenke, TG Smith, WA Arnold… - Analytical …, 2023 - ACS Publications
Accurate temperature measurement via magnetic resonance is valuable for both in vitro and
in vivo analysis of local tissue for evaluating disease pathology and medical interventions …

An inventory of fluorspar production, industrial use, and emissions of trifluoroacetic acid (TFA) in the period 1930 to 1999

AA Lindley - Journal of Geoscience and Environment Protection, 2023 - scirp.org
There is a generally accepted conclusion that trifluoroacetic acid (TFA) does occur naturally,
in part based on the large quantities of TFA in the oceans (61-205 million tonnes, measured …