ArticleEnvironmental science & technology2011
Environmentally persistent free radicals (EPFRs). 1. Generation of reactive oxygen species in aqueous solutions.
Article in Environmental science & technology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
66 citing papers in PubMed, 1 synthesis or guideline pooled it, 381 citations in OpenAlex.
- A systematic review of environmentally persistent free radical (EPFR) formation, characteristics, and health effects: are there sufficient data for risk assessment?Journal of toxicology and environmental health. Part B, Critical reviews · 2026Pooled it
- Superoxide formation upon photochemical aging of secondary organic aerosols derived from biomass burning precursors.Science advances · 2026Article
- Understanding the influence of environmentally persistent free radical location on reactive oxygen species generation in soils.Chemosphere · 2026Article
- Aryl hydrocarbon receptor in club cells drives Th17-mediated lung injury following inhalation exposure to environmentally persistent free radicals.Redox biology · 2026Article
- pH-Dependent Activation of EPFRs and Kinetics of Hydroxyl Radical Generation.Environmental science & technology · 2026Article
- Spatial distribution of persistent components of particulate matter near a hazardous waste thermal treatment facility.Environmental pollution (Barking, Essex : 1987) · 2026Article
- Toxicity of respirable coal dust: An overview of origin, chemistry, mechanisms, and possible remedies.International journal of coal science & technology · 2026Review
- Exposure of Selected Sunscreens to Artificial Sunlight Generates Persistent Free Radicals.Environmental science & technology letters · 2025Article
- Persistent chemicals in particulate matter (PM) near a hazardous waste thermal treatment facility.Atmospheric pollution research · 2025Article
- Primary Processes of Depolymerization of Lignin Dispersed into Gas Phase.Energy & fuels : an American Chemical Society journal · 2025Article
- Effect of TiOMolecules (Basel, Switzerland) · 2025Article
- Environmentally persistent free radicals lead to selective inhibition of CYP1 monooxygenase activities, and increased production of reactive oxygen species by reaction uncoupling.Frontiers in public health · 2025Article
- Oxidative potential and persistent free radicals in dust storm particles and their associations with hospitalization.Nature communications · 2024Article
- Photochemical behavior of dissolved organic matter in environmental surface waters: A review.Eco-Environment & Health · 2024Review
- Residential Wood Burning and Vehicle Emissions as Major Sources of Environmentally Persistent Free Radicals in Fairbanks, Alaska.Environmental science & technology · 2024Article
- The Effect of α-FeToxics · 2024Article
- Role of Electronegativity in Environmentally Persistent Free Radicals (EPFRs) Formation on ZnO.The journal of physical chemistry. C, Nanomaterials and interfaces · 2024Article
- Overview of the Alaskan Layered Pollution and Chemical Analysis (ALPACA) Field Experiment.ACS ES&T air · 2024Article
- Chemical and Cellular Formation of Reactive Oxygen Species from Secondary Organic Aerosols in Epithelial Lining Fluid.Research report (Health Effects Institute) · 2023Article
- Oxidation 1-methyl naphthalene based on the synergy of environmentally persistent free radicals (EPFRs) and PAHs in particulate matter (PM) surface.Chemosphere · 2023Article
6 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Reactive oxygen species (ROS) generated by environmentally persistent free radicals (EPFRs) of 2-monochlorophenol, associated with CuO/silica particles, were detected using the chemical spin trap, 5,5-dimethyl-1-pyrroline-N-oxide (DMPO), in conjunction with electron paramagnetic resonance (EPR) spectroscopy. Yields of hydroxyl radical ((•)OH), superoxide anion radical (O(2)(•-)), and hydrogen peroxide (H(2)O(2)) generated by EPFR-particle systems were reported. Failure to trap superoxide radicals in aqueous solvent, formed from reaction of EPFRs with molecular oxygen, results from fast transformation of the superoxide to hydrogen peroxide. However, formation of superoxide as an intermediate product in hydroxyl radical formation in aprotic solutions of dimethyl sulfoxide (DMSO) and acetonitrile (AcN) was observed. Experiments with superoxide dismutase (SOD) and catalase (CAT) confirmed formation of superoxide and hydrogen peroxide, respectively, in the presence of EPFRs. The large number of hydroxyl radicals formed per EPFR and monotonic increase of the DMPO-OH spin adduct concentration with incubation time suggest a catalytic cycle of ROS formation.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.