Blar i NIVA Open Access Archive på forfatter "Thomas, Kevin V"
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A high-throughput solid-phase microextraction and post-loop mixing large volume injection method for water samples
Baz-Lomba, Jose Antonio; Löve, Arndis S.C.; Reid, Malcolm James; Ólafsdóttir, Kristín; Thomas, Kevin V (Journal article; Peer reviewed, 2018)This article presents a novel approach for the analysis of 13 drugs in wastewater for use in wastewater-based epidemiology (WBE) studies. Sample preparation remains one of the principal bottlenecks in modern high-throughput ... -
A two stage algorithm for target and suspect analysis of produced water via gas chromatography coupled with high resolution time of flight mass spectrometry
Samanipour, Saer; Langford, Katherine; Reid, Malcolm J; Thomas, Kevin V (Journal article; Peer reviewed, 2016)Gas chromatography coupled with high resolution time of flight mass spectrometry (GC-HR-TOFMS) has gained popularity for the target and suspect analysis of complex samples. However, confident detection of target/suspect ... -
Airborne emissions of microplastic fibres from domestic laundry dryers
O'Brien, Stacey; Okoffo, Elvis D.; O'Brien, Jake W.; Ribeiro, Francisca; Wang, Xianyu; Wright, Stephanie L.; Samanipour, Saer; Rauert, Cassandra; Yessenia Alajo Toapanta, Tania; Albarracin, Rizsa; Thomas, Kevin V (Journal article; Peer reviewed, 2020)An emission source of microplastics into the environment is laundering synthetic textiles and clothing. Mechanical drying as a pathway for emitting microplastics, however, is poorly understood. In this study, emissions of ... -
Analysis of new classes of recreational drugs in sewage: Synthetic cannabinoids and amphetamine-like substances
Reid, Malcolm James; Derry, Lisa; Thomas, Kevin V (Journal article; Peer reviewed, 2014)The analysis of sewage for the residues of commonly used illicit drugs has successfully been applied as a suitable approach for estimating community illicit drug use. The drug market is increasingly dynamic with new ... -
Analysis of stimulant drugs in the wastewater of five Nordic capitals
Löve, Arndis Sue Ching; Baz-Lomba, Jose Antonio; Reid, Malcolm J; Kankaanpää, Aino; Gunnar, Teemu; Dam, Maria; Ólafsdóttir, Kristín; Thomas, Kevin V (Journal article; Peer reviewed, 2018)Wastewater-based epidemiology is an efficient way to assess illicit drug use, complementing currently used methods retrieved from different data sources. The aim of this study is to compare stimulant drug use in five Nordic ... -
Assessing Alternative Population Size Proxies in a Wastewater Catchment Area Using Mobile Device Data
Baz-Lomba, Jose Antonio; Di Ruscio, Francesco; Amador, Arturo; Reid, Malcolm James; Thomas, Kevin V (Journal article; Peer reviewed, 2019)Modeling and prediction of a city’s (Oslo, Norway) daily dynamic population using mobile device-based population activity data and three low cost markers is presented for the first time. Such data is useful for wastewater-based ... -
Assessing sample extraction efficiencies for the analysis of complex unresolved mixtures of organic pollutants: A comprehensive non-target approach
Samanipour, Saer; Baz-Lomba, Jose A; Reid, Malcolm J; Ciceri, Elena; Rowland, Steven; Nilsson, Per; Thomas, Kevin V (Journal article; Peer reviewed, 2018)The comprehensive extraction recovery assessment of organic analytes from complex samples such as oil field produced water (PW) is a challenging task. A targeted approach is usually used for recovery and determination of ... -
Bioaccumulation and biological effects of cigarette litter in marine worms
Wright, Stephanie L.; Rowe, Darren; Reid, Malcolm James; Thomas, Kevin V; Galloway, Tamara S. (Journal article; Peer reviewed, 2015)Marine debris is a global environmental issue. Smoked cigarette filters are the predominant coastal litter item; 4.5 trillion are littered annually, presenting a source of bioplastic microfibres (cellulose acetate) and ... -
Challenges with Quantifying Tire Road Wear Particles: Recognizing the Need for Further Refinement of the ISO Technical Specification
Rauert, Cassandra; Rødland, Elisabeth S; Okoffo, Elvis D.; Reid, Malcolm J; Meland, Sondre; Thomas, Kevin V (Peer reviewed; Journal article, 2021)Environmental monitoring data for tire road wear particles are vastly limited compared to those for other microplastics, primarily due to analytical challenges with quantification. Recently, two ISO technical specifications ... -
Combining a Deconvolution and a Universal Library Search Algorithm for the Nontarget Analysis of Data-Independent Acquisition Mode Liquid Chromatography-High-Resolution Mass Spectrometry Results
Samanipour, Saer; Reid, Malcolm James; Bæk, Kine; Thomas, Kevin V (Journal article; Peer reviewed, 2018)Nontarget analysis is considered one of the most comprehensive tools for the identification of unknown compounds in a complex sample analyzed via liquid chromatography coupled to high-resolution mass spectrometry (LC–HRMS). ... -
Comparative measurement and quantitative risk assessment of alcohol consumption through wastewater-based epidemiology: An international study in 20 cities
Ryu, Yeonsuk; Barceló, Damia; Barron, Leon P.; Bijlsma, Lubertus; Castiglioni, Sara; de Voogt, Pim; Emke, Erik; Hernández, Félix; Lai, Foon Yin; Lopes, Alvaro; de Alda, Miren López; Mastroianni, Nicola; Munro, Kelly; O'Brien, Jake; Ort, Christoph; Plosz, Benedek; Reid, Malcolm J; Yargeau, Viviane; Thomas, Kevin V (Journal article; Peer reviewed, 2016)Quantitative measurement of drug consumption biomarkers in wastewater can provide objective information on community drug use patterns and trends. This study presents the measurement of alcohol consumption in 20 cities ... -
Comparison of phosphodiesterase type V inhibitors use in eight European cities through analysis of urban wastewater
Causanilles, Ana; Rojas Cantillano, Daniela; Emke, Erik; Bade, Richard; Baz-Lomba, Jose Antonio; Castiglioni, Sara; Castrignanò, Erika; Gracia-Lor, Emma; Hernández, Félix; Kasprzyk-Hordern, Barbara; Kinyua, Juliet; McCall, Ann-Kathrin; van Nuijs, Alexander L. N.; Plosz, Benedek G; Ramin, Pedram; Rousis, Nikolaos I.; Ryu, Yeonsuk; Thomas, Kevin V; de Voogt, Pim (Journal article; Peer reviewed, 2018)In this work a step forward in investigating the use of prescription drugs, namely erectile dysfunction products, at European level was taken by applying the wastewater-based epidemiology approach. 24-h composite samples ... -
Concentration and distribution of naphthenic acids in the produced water from offshore Norwegian North Sea oilfields
Samanipour, Saer; Reid, Malcolm James; Rundberget, Jan Thomas; Frost, Tone K.; Thomas, Kevin V (Peer reviewed; Journal article, 2020)Naphthenic acids (NAs) constitute one of the toxic components of the produced water (PW) from offshore oil platforms discharged into the marine environment. We employed liquid chromatography (LC) coupled to high-resolution ... -
Ecotoxicological effects of transformed silver and titanium dioxide nanoparticles in the effluent from a lab-scale wastewater treatment system
Georgantzopoulou, Anastasia; Carvalho, Patricia A.; Vogelsang, Christian; Tilahun, Mengstab; Ndungu, Stephen Kuria; Booth, Andy; Thomas, Kevin V; Macken, Ailbhe (Journal article; Peer reviewed, 2018)In this study, a lab-scale wastewater treatment plant (WWTP), simulating biological treatment, received 10 μg/L Ag and 100 μg/L TiO2 nanoparticles (NPs) for 5 weeks. NP partitioning was evaluated by size fractionation (>0.7 ... -
Emerging pollutants in the EU: 10 years of NORMAN in support of environmental policies and regulations
Dulio, Valeria; van Bavel, Bert; Broström-Lundén, Eva; Harmsen, Joop; Hollender, Juliane; Schalbach, Martin; Slobodnik, Jaroslav; Thomas, Kevin V; Koschorreck, Jan (Others, 2018)In 2005, the European Commission funded the NORMAN project to promote a permanent network of reference laboratories and research centers, including academia, industry, standardization bodies, and NGOs. Since then, NORMAN ... -
Enantiomeric profiling of chiral illicit drugs in a pan-European study
Castrignanò, Erika; Yang, Zhugen; Bade, Richard; Baz-Lomba, Jose A; Castiglioni, Sara; Causanilles, Ana; Covaci, Adrian; Gracia-Lor, Emma; Hernandez, Félix; Kinyua, Juliet; McCall, Ann-Kathrin; van Nuijs, Alexander L N; Ort, Christoph; Plosz, Benedek G; Ramin, Pedram; Rousis, Nikolaos I; Ryu, Yeonsuk; Thomas, Kevin V; de Voogt, Pim; Zuccato, Ettore; Kasprzyk-Hordern, Barbara (Journal article; Peer reviewed, 2018)The aim of this paper is to present the first study on spatial and temporal variation in the enantiomeric profile of chiral drugs in eight European cities. Wastewater-based epidemiology (WBE) and enantioselective analysis ... -
Exploring the Potential of a Global Emerging Contaminant Early Warning Network through the Use of Retrospective Suspect Screening with High-Resolution Mass Spectrometry
Alygizakis, Nikiforos A; Samanipour, Saer; Hollender, Juliane; Ibáñez, Maria; Kaserzon, Sarit; Kokkali, Varvara; van Leerdam, Jan A; Mueller, Jochen F; Pijnappels, Martijn; Reid, Malcolm J; Schymanski, Emma L; Slobodnik, Jaroslav; Thomaidis, Nikolaos S; Thomas, Kevin V (Journal article; Peer reviewed, 2018)A key challenge in the environmental and exposure sciences is to establish experimental evidence of the role of chemical exposure in human and environmental systems. High resolution and accurate tandem mass spectrometry ... -
From Molecular Descriptors to Intrinsic Fish Toxicity of Chemicals: An Alternative Approach to Chemical Prioritization
Samanipour, Saer; O'Brien, Jake W.; Reid, Malcolm James; Thomas, Kevin V; Praetorius, Antonia (Journal article; Peer reviewed, 2022)The European and U.S. chemical agencies have listed approximately 800k chemicals about which knowledge of potential risks to human health and the environment is lacking. Filling these data gaps experimentally is impossible, ... -
Identification and quantification of selected plastics in biosolids by pressurized liquid extraction combined with double-shot pyrolysis gas chromatography–mass spectrometry
Okoffo, Elvis D.; Ribeiro, Francisca; O'Brien, Jake; O'Brien, Stacey; Tscharke, Benjamin; Gallen, Michael; Samanipour, Saer; Mueller, Jochen F.; Thomas, Kevin V (Peer reviewed; Journal article, 2020)The identification and quantification of selected plastics (polystyrene (PS), polycarbonate (PC), poly-(methyl methacrylate) (PMMA), polypropylene (PP), polyethylene terephthalate (PET), polyethylene (PE) and polyvinyl ... -
In-Sewer Stability Assessment of Anabolic Steroids and Selective Androgen Receptor Modulators
Shimko, Katja M.; O'Brien, Jake W.; Li, Jiaying; Tscharke, Benjamin J.; Brooker, Lance; Thai, Phong; Choi, Phillip; Samanipour, Saer; Thomas, Kevin V (Peer reviewed; Journal article, 2022)Wastewater-based epidemiology is a potential complementary technique for monitoring the use of performance- and image-enhancing drugs (PIEDs), such as anabolic steroids and selective androgen receptor modulators (SARMs), ...