Results 11 to 20 of about 592,569 (295)

Non-targeted screening of per- and polyfluoroalkyl substances: Advanced methods, challenges, and environmental health [PDF]

Eco-Environment & Health
Per- and polyfluoroalkyl substances (PFAS), a class of synthetic fluorine-containing organic compounds, pose a serious threat to the ecological environment and human health due to their persistence, bioaccumulation, and extensive toxicity.
Shuan Yang, Huan Yi, Danling Ma, Lixi Zeng   +3 more
doaj   +2 more sources

Targeted and Non-Targeted Screening of Organic Pollutants in Atmospheric Aerosols of Arctic Urban Agglomeration Using TD-GC-Orbitrap MS [PDF]

Molecules
This study focuses on the search and determination of organic pollutants in aerosol particles (PM2.5) collected in Arkhangelsk, the largest urban agglomeration in the Arctic, during winter and summer periods. Thermal desorption gas chromatography coupled
Irina S. Shavrina, Kirill O. Sukhanov, Nikolay V. Ul’yanovskii, Dmitry S. Kosyakov, Albert T. Lebedev   +4 more
doaj   +2 more sources

Non-targeted crystal phase screening strategy and Rietveld refinement application based on complex dust samples in occupational settings

环境与职业医学
BackgroundOccupational health places often involve complex dust samples characterized by diverse compositions and a lack of prior supplementary information.
Ruijie LIANG, Lingyi WEI, Chaoye SHEN
doaj   +2 more sources

Suspect and non-targeted screening of chemical pollutants in Botswana's aquatic environments

Emerging Contaminants
Chemical pollution in the aquatic systems of Botswana has been sparsely studied despite its potential ecological importance. Here, we perform a study of water samples collected from 13 locations distributed across Botswana to obtain the first overview of
Kgato P. Selwe, Charlotte R. Head, Gothatamang N. Phokedi, Jens E.T. Andersen, J. Brett Sallach, Caroline E.H. Dessent   +5 more
doaj   +3 more sources

Elucidation of chemicals of emerging concern in placenta by non-targeted and suspect screening approaches

Emerging Contaminants
Over the past century, anthropic activities in industrialized countries have generated exposure to a vast array of environmental chemical families. Many of these may have harmful effects on human health, and xenobiotic exposure during the fetal period is
A. Domínguez-Liste, L. Espín-Moreno, M.O. Schweiss, A. Rodríguez-Carrillo, V. Mustieles, M.F. Fernandez, J. Arrebola, C. Freire, O. Ballesteros, J. Pérez-del-Palacio, F. Vela-Soria   +10 more
doaj   +2 more sources

Development and Validation of a Non-Targeted Screening Method for Most Psychoactive, Analgesic, Anaesthetic, Anti-Diabetic, Anti-Coagulant and Anti-Hypertensive Drugs in Human Whole Blood and Plasma Using High-Resolution Mass Spectrometry. [PDF]

Pharmaceuticals (Basel), 2023
Feliu C, Konecki C, Cazaubon Y, Binet L, Vautier D, Fouley A, Gozalo C, Djerada Z.   +7 more
europepmc   +3 more sources

Non-Targeted Screening Approaches for Profiling of Volatile Organic Compounds Based on Gas Chromatography-Ion Mobility Spectroscopy (GC-IMS) and Machine Learning. [PDF]

Molecules, 2021
Capitain C, Weller P.
europepmc   +2 more sources

Non-targeted Screening of Unknown Chemical Hazards in Imported Children’s Textiles by GC-Orbitrap MS [PDF]

Zhipu Xuebao, 2023
The quality and safety of children’s textiles, especially chemical safety, is very important. The harm to children caused by using unsafe products is immeasurable.
LIU Ya-hui1, LI Hong-yan2, KONG Xiang-wei3, WANG Zhi-juan1, ZHANG Qing1, MA Qiang1, LYU Qing1   +6 more
doaj   +1 more source

Machine Learning Tools Can Pinpoint High-Risk Water Pollutants

Proceedings, 2023
Liquid chromatography–high-resolution mass spectrometry (LC/HRMS) is a powerful tool for detecting chemicals that are present in low concentrations [...]
Helen Sepman, Pilleriin Peets, Lisa Jonsson, Louise Malm, Malte Posselt, Matthew MacLeod, Jonathan Martin, Magnus Breitholtz, Michael McLachlan, Anneli Kruve   +9 more
doaj   +1 more source

Non-targeted screening of emerging contaminants in drinking water based on high-resolution mass spectrometry

Shanghai yufang yixue, 2023
ObjectiveTo establish a non-targeted screening method for emerging contaminants in drinking water based on high-resolution mass spectrometry and apply it to actual water samples.MethodsA total of 9 drinking water samples collected from 3 reservoirs in ...
WU Linying, FENG Chao, WANG Guoquan, XUAN Dongliang, JIN Yu’e, PENG Qian, LU Dasheng   +6 more
doaj   +1 more source