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Targeted and untargeted discovery of UV filters and emerging contaminants with environmental risk assessment on the Northwestern Mediterranean coast.
Mar Pollut Bull
January 2025
Sorbonne Université, CNRS, Laboratoire de Biodiversité et Biotechnologie Microbienne, UAR 3579, Observatoire Océanologique, Banyuls-sur-Mer, France. Electronic address:
Marine ecosystems, particularly coastal areas, are becoming increasingly vulnerable to pollution from human activities. Persistent organic pollutants and contaminants of emerging concern (CECs) are recognized as significant threats to both human and environmental health. Our study aimed to identify the molecules present in the seawater of two bathing areas in the Western Mediterranean Sea.
View Article and Find Full Text PDFQuantification and occurrence of 39 tire-related chemicals in urban and rural aerosol from Saxony, Germany.
Environ Int
December 2024
Helmholtz Centre for Environmental Research - UFZ, Department of Environmental Analytical Chemistry, Permoserstrasse 15, 04318 Leipzig, Germany; University of Leipzig, Institute for Analytical Chemistry, Linnéstrasse 3, 04103 Leipzig, Germany. Electronic address:
Tire and road wear particles (TRWP) are a major contributor to non-exhaust traffic emissions, but their contribution to and dynamics in urban aerosol is not well known. Urban particulate matter (PM) in the size fraction below 10 µm (PM) from two German cities was collected over 2 weeks and analysed for 39 tire-related chemicals, including amines, guanidines, ureas, benzothiazoles, p-phenylenediamines, quinolines and several transformation products (TPs). Of these, 37 compounds were determined in PM at median concentrations of 212 pg/m for 1,3-diphenylguanidine (DPG) and 132 pg/m for benzothiazole-2-sulfonic acid (BTSA); 10 of the compounds have not been reported in urban aerosol before.
View Article and Find Full Text PDFDevelopment of a straightforward direct injection UHPLC-MS/MS method for quantification of plastic additive chemicals in roadside retention ponds.
Anal Bioanal Chem
January 2025
School of Pharmacy, Applied Sciences and Public Health, Robert Gordon University, Aberdeen, AB10 7GJ, UK.
There is growing interest in road pollution that enters surface waters. Additive chemicals used in the manufacture of plastics, including tyre rubber, are mobile pollutants that pose a threat to aquatic life. Therefore, an ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) method was developed to measure 25 plastic additive chemicals in road runoff and water of retention ponds used to manage road runoff.
View Article and Find Full Text PDFPresence of 1, 3-diphenylguanidine and its derivatives in human urine and their human exposure.
Environ Res
December 2024
Department of Pharmacy, Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, Zhejiang 324000, PR China. Electronic address:
Recent studies have demonstrated the widespread presence of 1,3-diphenylguanidine (DPG) and its derivatives in environmental matrices. While, the amount of human exposure to these rubber additives remains unclear. In this study, we collected human urine samples from healthy general adults (n = 221) living in Quzhou, China, and analyzed these samples for DPG and its five derivatives.
View Article and Find Full Text PDFOccurrence, sources, and human exposure assessment of amine-based rubber additives in dust from various micro-environments in South China.
Sci Total Environ
December 2024
Shenzhen Key Laboratory of Precision Measurement and Early Warning Technology for Urban Environmental Health Risks, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China. Electronic address:
Article Synopsis
- The study analyzed 140 dust samples from various indoor settings to investigate the presence of twelve different amine-based rubber additives, revealing significant detection rates for several compounds.
- The highest concentrations of these additives were found in parking lots, suggesting that vehicle-related sources contribute heavily to indoor pollution, although they were also present in non-vehicle environments like markets and hotels.
- The research underscores potential health risks, especially for toddlers who have the highest estimated daily intake of these additives through dust ingestion, indicating a need for further investigation and monitoring of indoor air quality regarding these compounds.
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