Aquatic photolysis of ketoprofen generates products with photosensitizing activity and toxicity

L Wang, Y Zheng, Y Zhou, J Lu, JM Chovelon, Y Ji - Water Research, 2022 - Elsevier
Ketoprofen (KTF) is a nonsteroidal anti-inflammatory drug frequently detected in natural and
engineering waters. Because KTF is particularly photolabile (half-life∼ 4 min), knowledge of …

Ketoprofen products induced photosensitization of sulfonamide antibiotics: The cocktail effects of pharmaceutical mixtures on their photodegradation

L Wang, X Li, J Chen, J Lu, JM Chovelon, C Zhang… - Environmental …, 2024 - Elsevier
Indirect photolysis induced by naturally occurring sensitizers constitutes an important
pathway accounting for the transformation and fate of many recalcitrant micropollutants in …

Study of the simulated sunlight photolysis mechanism of ketoprofen: the role of superoxide anion radicals, transformation byproducts, and ecotoxicity assessment

Y Wang, W Deng, F Wang, Y Su, Y Feng… - … Science: Processes & …, 2017 - pubs.rsc.org
The aim of this study was to investigate the photolysis mechanism of ketoprofen (KET) under
simulated sunlight. The results demonstrated that the photolysis of KET aligned well with …

Photodegradation of carbamazepine, ibuprofen, ketoprofen and 17α-ethinylestradiol in fresh and seawater

V Matamoros, A Duhec, J Albaigés… - Water, air, and soil …, 2009 - Springer
Photodegradation of four pharmaceuticals (ie carbamazepine, ibuprofen, ketoprofen and
17α-ethinylestradiol) in aqueous media was studied using a solar light simulator (Xe lamp …

Modeling the fate of a photoproduct of ketoprofen in urban rivers receiving wastewater treatment plant effluent

S Hanamoto, E Hasegawa, N Nakada… - Science of the total …, 2016 - Elsevier
Photoproducts of pharmaceuticals have been studied in order not to overlook their potential
risks to aquatic organisms. However, no studies have verified an equation for predicting the …

Photodegradation kinetics, transformation, and toxicity prediction of ketoprofen, carprofen, and diclofenac acid in aqueous solutions

J Li, L Ma, L Li, L Xu - Environmental toxicology and chemistry, 2017 - Wiley Online Library
Photodegradation of 3 commonly used nonsteroidal anti‐inflammatory drugs, ketoprofen,
carprofen, and diclofenac acid, was conducted under ultraviolet (UV) irradiation. The kinetic …

Phototransformation study of the antidepressant paroxetine in surface waters

T Gornik, L Carena, T Kosjek, D Vione - Science of the Total Environment, 2021 - Elsevier
In this work, the photochemistry of the antidepressant paroxetine (PXT) and its
photochemical fate in surface waters were investigated. The direct photolysis quantum yield …

[PDF][PDF] Impact of photochemical processes in the hydrosphere

NV Blough, B Sulzberger - Aquatic Sciences, 2003 - dora.lib4ri.ch
The importance of solar-driven processes in the hydrosphere has become increasingly
evident over the past decade. The absorption of sunlight by both natural and anthropogenic …

Phototransformation of three selected pharmaceuticals, naproxen, 17α-Ethinylestradiol and tetracycline in water: Identification of photoproducts and transformation …

M Śliwka-Kaszyńska, A Jakimska-Nagórska… - Microchemical …, 2019 - Elsevier
Transformation products (TPs) may be formed during various processes, however, it was
proved that one of the main mechanisms responsible for degradation of pharmaceuticals in …

Photochemical transformation of ibuprofen into harmful 4-isobutylacetophenone: pathways, kinetics, and significance for surface waters

G Ruggeri, G Ghigo, V Maurino, C Minero, D Vione - Water research, 2013 - Elsevier
The harmful compound 4-isobutylacetophenone (IBAP) can be formed photochemically from
the anti-inflammatory drug ibuprofen (IBP), upon direct photolysis (yield 25±7%, μ±σ) …