[HTML][HTML] Compound-specific isotope analysis (CSIA) of micropollutants in the environment—current developments and future challenges

M Elsner, G Imfeld - Current opinion in biotechnology, 2016 - Elsevier
Highlights•CSIA bears great potential to evaluate micropollutant degradation in the
environment.•We review analytical challenges for CSIA of low concentration, polar …

Perspectives of compound-specific isotope analysis of organic contaminants for assessing environmental fate and managing chemical pollution

TB Hofstetter, R Bakkour, D Buchner, H Eisenmann… - Nature Water, 2024 - nature.com
The management and mitigation of chemical pollution are key elements of sustainable
development initiatives that aim to provide safe and clean water. While environmental …

Sunlight converts polystyrene to carbon dioxide and dissolved organic carbon

CP Ward, CJ Armstrong, AN Walsh… - … science & technology …, 2019 - ACS Publications
Numerous international governmental agencies that steer policy assume that polystyrene
persists in the environment for millennia. Here, we show that polystyrene is completely …

Direct and indirect photodegradation of atrazine and S-metolachlor in agriculturally impacted surface water and associated C and N isotope fractionation

G Drouin, B Droz, F Leresche, S Payraudeau… - … Science: Processes & …, 2021 - pubs.rsc.org
Knowledge of direct and indirect photodegradation of pesticides and associated isotope
fractionation can help to assess pesticide degradation in surface waters. Here, we …

Direct Photolysis of Sulfamethoxazole Using Various Irradiation Sources and Wavelength Ranges Insights from Degradation Product Analysis and Compound …

S Willach, HV Lutze, K Eckey… - … science & technology, 2018 - ACS Publications
The environmental micropollutant sulfamethoxazole (SMX) is susceptible to
phototransformation by sunlight and UV-C light which is used for water disinfection …

Generation of hydroxyl radicals during photodegradation of chloroacetic acids by 254 nm ultraviolet: A special degradation process revealed by a holistic radical …

L Wang, Y Chen, B Chen, J Yang - Journal of Hazardous Materials, 2021 - Elsevier
Upon ultraviolet (UV) irradiation, aqueous contaminants may undergo direct and/or indirect
photolysis. Direct photolysis refers to transformation of contaminants by UV photon, and …

Carbon, hydrogen and nitrogen stable isotope fractionation allow characterizing the reaction mechanisms of 1H-benzotriazole aqueous phototransformation

L Wu, S Suchana, R Flick, S Kümmel, H Richnow… - Water Research, 2021 - Elsevier
Abstract 1H-benzotriazole is part of a larger family of benzotriazoles, which are widely used
as lubricants, polymer stabilizers, corrosion inhibitors, and anti-icing fluid components. It is …

Mechanistic investigation of phosphonate photolysis in aqueous solution by simultaneous LC-IRMS and HRMS analysis

RGH Marks, F Drees, S Rockel, K Kerpen… - … of Photochemistry and …, 2023 - Elsevier
The mechanism of photolytic degradation of aminotrimethylphosphonic acid (ATMP) in an
aqueous solution is not completely elucidated with respect to the transformation products …

Carbon Stable Isotope Fractionation of Sulfamethoxazole during Biodegradation by Microbacterium sp. Strain BR1 and upon Direct Photolysis

J Birkigt, T Gilevska, B Ricken… - … science & technology, 2015 - ACS Publications
Carbon isotope fractionation of sulfamethoxazole (SMX) during biodegradation by
Microbacterium sp. strain BR1 (ipso-hydroxylation) and upon direct photolysis was …

Mechanistic aspects regarding the ultraviolet degradation of polychlorinated biphenyls in different media: insights from carbon and chlorine isotope fractionation

C Huang, Y Zeng, Y Cao, C Zhu, Z Ren… - Environmental …, 2021 - ACS Publications
In this study, the carbon and chlorine isotope fractionation during ultraviolet-photolysis of
polychlorinated biphenyls (PCBs, including PCB18, PCB77, PCB110, and PCB138) in n …