Role of antioxidant moieties in the quenching of a purine radical by dissolved organic matter

S Cheng, Y Zhao, Y Pan, J Yu, Y Lei, X Lei… - Environmental …, 2021 - ACS Publications
Dissolved organic matter (DOM) has been known to inhibit the degradation of trace organic
contaminants (TrOCs) in advanced oxidation processes but quantitative understanding is …

Quenching of an aniline radical cation by dissolved organic matter and phenols: a laser flash photolysis study

F Leresche, L Ludvíková, D Heger… - … science & technology, 2020 - ACS Publications
Aromatic amines are relevant aquatic organic contaminants whose photochemical
transformation is affected by dissolved organic matter (DOM). The goal of this study is to …

Effects of the antioxidant moieties of dissolved organic matter on triplet-sensitized phototransformation processes: Implications for the photochemical modeling of …

D Vione, D Fabbri, M Minella, S Canonica - Water research, 2018 - Elsevier
Previous studies have shown that the photodegradation of some pollutants, induced by the
excited triplet states of chromophoric dissolved organic matter (3 CDOM*), can be inhibited …

Significant enhancement on diclofenac removal in the Cu (II)/peroxymonosulfate process with neocuproine under neutral pH conditions: Performances, mechanism …

Z Wu, Z Zhou, J Zou, S Li, J Wu, LF He, S Qiu… - Chemical Engineering …, 2024 - Elsevier
The application of the Cu-catalyzed peroxymonosulfate (PMS) in pratical is seriously
restricted due to its weak anti-interference capability against the natural water matrix and the …

Triplet-state dissolved organic matter quantum yields and lifetimes from direct observation of aromatic amine oxidation

M Schmitt, PR Erickson, K McNeill - Environmental science & …, 2017 - ACS Publications
Excited triplet state chromophoric dissolved organic matter (3CDOM*) is a short-lived
mixture of excited-state species that plays important roles in aquatic photochemical …

[HTML][HTML] Do biotransformation data from laboratory experiments reflect micropollutant degradation in a large river basin?

C Seller, L Varga, E Börgardts, B Vogler, E Janssen… - Water research, 2023 - Elsevier
Identifying a chemical's potential for biotransformation in the aquatic environment is crucial
to predict its fate and manage its potential hazards. Due to the complexity of natural water …

Copper inhibition of triplet-sensitized phototransformation of phenolic and amine contaminants

Y Pan, X Ruan, S Garg, TD Waite, Y Lei… - … Science & Technology, 2020 - ACS Publications
Excited triplet states of natural organic matter (3NOM*) are important reactive intermediates
in phototransformation of organic contaminants in sunlit waters. The main goal of this study …

Effect of solution pH on the dual role of dissolved organic matter in sensitized pollutant photooxidation

J Wenk, C Graf, M Aeschbacher, M Sander… - Environmental …, 2021 - ACS Publications
Dissolved organic matter (DOM) has a dual role in indirect phototransformations of aquatic
contaminants by acting both as a photosensitizer and an inhibitor. Herein, the pH …

The determination and prediction of the apparent reaction rates between excited triplet-state DOM and selected PPCPs

R Du, Q Zhang, F Leresche, M Zhong, P Chen… - Science of The Total …, 2023 - Elsevier
To determine and predict the reaction rate between 3 DOM* and PPCPs in various water
bodies, this study defines a reaction rate coefficient (α 3 DOM∗) to describe the reaction …

Photolysis of tolfenamic acid in aqueous and organic solvents: a kinetic study

SH Kazi, MA Sheraz, Z Anwar, SG Musharraf… - RSC …, 2024 - pubs.rsc.org
Tolfenamic acid (TA) is a non-steroidal anti-inflammatory drug that was studied for its
photodegradation in aqueous (pH 2.0–12.0) and organic solvents (acetonitrile, methanol …