Browsing NTNU Open by Author "Wagner, Martin"
Now showing items 1-20 of 51
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A comparison of the chemical toxicity of recycled versus pristine plastics using Daphnia magna
Ludvigsen, Emma Christin Lunde (Master thesis, 2024)Dersom verdens produksjon og bruk av plast fortsetter som den er i dag, vil den totale produksjonen nå 1,1 millioner tonn innen år 2050. Den enorme plastforurensningen i miljøet har i det siste fått stor politisk oppmerksomhet. ... -
Advancing Methods for Sampling and Analysis of Microplastics in the Marine Environment
Faltynkova, Andrea (Doctoral theses at NTNU;2024:24, Doctoral thesis, 2024)Plastic pollution is one of many growing anthropogenic stressors in the marine environment, and its proliferation and effects are not fully understood. Research reporting abundance of plastic debris in the environment is ... -
Are bioplastics and plant-based materials safer than conventional plastics? In vitro toxicity and chemical composition
Zimmermann, Lisa; Dombrowski, Andrea; Völker, Carolin; Wagner, Martin (Peer reviewed; Journal article, 2020)Plastics contain a complex mixture of known and unknown chemicals; some of which can be toxic. Bioplastics and plant-based materials are marketed as sustainable alternative to conventional plastics. However, little is known ... -
Are We Speaking the Same Language? Recommendations for a Definition and Categorization Framework for Plastic Debris
Hartmann, Nanna; Huffer, T; Thompson, Richard C.; Hassellöv, Martin; Verschoor, Anja; Daugaard, Anders E.; Rist, Sinja; Karlsson, Therese; Brennholt, Nicole; Cole, Matthew; Herrling, Maria P; Hess, Maren C; Ivleva, Natalia P; Lusher, Amy; Wagner, Martin (Journal article; Peer reviewed, 2019)The accumulation of plastic litter in natural environments is a global issue. Concerns over potential negative impacts on the economy, wildlife, and human health provide strong incentives for improving the sustainable use ... -
Benchmarking the in Vitro Toxicity and Chemical Composition of Plastic Consumer Products
Zimmermann, Lisa; Dierkes, Georg; Ternes, Thomas A; Völker, Carolin; Wagner, Martin (Journal article; Peer reviewed, 2019)Plastics are known sources of chemical exposure and few, prominent plastic-associated chemicals, such as bisphenol A and phthalates, have been thoroughly studied. However, a comprehensive characterization of the complex ... -
Chemical Effects of Common Plastic Products: Baseline Toxicity Screening and Chronic Toxicity to Polychaetes
Lyngstad, Inger Larsen (Master thesis, 2021)Plast lages av polymerer som kombineres med en rekke tilsetningsstoffer for å oppnå ønskede funksjoner og egenskaper. Disse tilsetningsstoffene, samt utilsiktet tilsatte stoffer og andre absorberte stoffer, kan fungere som ... -
A Children’s Health Perspective on Nano- and Microplastics
Sripada, Kam; Wierzbicka, Aneta; Abass, Khaled; Grimalt, Joan O.; Erbe, Andreas; Röllin, Halina B.; Weihe, Pál; Díaz, Gabriela Jiménez; Singh, Randolph Reyes; Visnes, Torkild; Rautio, Arja; Odland, Jon Øyvind; Wagner, Martin (Peer reviewed; Journal article, 2022)Background: Pregnancy, infancy, and childhood are sensitive windows for environmental exposures. Yet the health effects of exposure to nano- and microplastics (NMPs) remain largely uninvestigated or unknown. Although ... -
Comparative toxicity of exfoliating products containing microplastics and alternative particles from Nepal
Adhikari, Shova (Master thesis, 2019)Plastic pollution is a global problem, with numerous studies focusing on the effects of microplastics (1- 1000 μm). Cosmetic products like exfoliators have been identified as an important source of primary microplastics. ... -
Development and application of a health-based framework for informing regulatory action in relation to exposure of microplastic particles in California drinking water
Coffin, Scott; Bouwmeester, HJM; Brandner, S.; Damdimopoulou, Pauliina; Gouin, Todd; Hermabessiere, Ludovic; Essa, Khan; Koelmans, A.A.; Lemieux, Christine; Teerds, Katja; Wagner, Martin; Weisberg, S.B.; Wright, S (Peer reviewed; Journal article, 2022)Microplastics have been documented in drinking water, but their effects on human health from ingestion, or the concentrations at which those effects begin to manifest, are not established. Here, we report on the outcome ... -
Disruption of Melatonin, Serotonin, and Adenosine Receptors by Chemicals in Plastic Food Packaging
Vardeberg, Ingrid Gisnås (Master thesis, 2022)Plast er et allsidig materiale med fordelaktige egenskaper, som holdbarhet, lav vekt og lave priser. Dette gjør materialet egnet for et bredt spekter av forbrukerprodukter. Plast er av stor samfunnsmessig interesse, blant ... -
Ecotoxicological impacts of surface water and wastewater from conventional and advanced treatment technologies on brood size, larval length, and cytochrome P450 (35A3) expression in Caenorhabditis elegans
Abbas, Aennes; Valek, Lucie; Schneider, Ilona; Bollmann, Anna; Knopp, Gregor; Seitz, Wolfram; Schulte-Oehlmann, Ulrike; Oehlmann, Jörg; Wagner, Martin (Journal article; Peer reviewed, 2018)Anthropogenic micropollutants and transformation products (TPs) negatively affect aquatic ecosystems and water resources. Wastewater treatment plants (WWTP) represent major point sources for (micro)pollutants and TPs in ... -
Effects of microplastic mixture on hatching, mortality and morphometry in early life-stages of Atlantic cod
Falkenhaug, Tuva Nordby (Master thesis, 2024)Forurensning av mikroplast (MP) er utbredt i marine miljøer, og har fått økende vitenskapelig oppmerksomhet de siste årene. Effektene av MP på de tidlige livsstadiene til marine fisk er derimot fortsatt utilstrekkelig ... -
Effects of Nano-and Microplastics on Inflammatory Responses in Macrophages in vitro.
Pechiappan, Harini (Master thesis, 2021)Humans can be exposed to nano-and microplastics (NMP’s) via diet, inhalation, and possibly dermal routes, but the risk of such exposure to human health is unclear. Phagocytes are possible targets of NMP’s exposure, with ... -
Effekter av Tekstilfibre på den Marine Mikroalgen Isochrysis galbana (T-ISO)
Rogstad, Dina Tevik (Master thesis, 2019)Tekstilmikrofibre (MF) er i økende grad en bekymring i marine økosystemer, ettersom store mengder av MF ender i havet hvert år via avfall og avløpsvann. Til tross for høy persistens og biotilgjengeligheten av MF i marine ... -
Endocrine and metabolism disrupting chemicals in plastic food packaging: Addressing the unknowns
Stevens, Sarah (Doctoral theses at NTNU;2024:359, Doctoral thesis, 2024)Over 16,000 chemicals are used in or present in plastics, with more than a quarter known to be hazardous and over 10,000 lacking basic data on identity, functionality, and toxicity. In addition, plastics contain numerous ... -
Environmental monitoring of microplastics using an unmanned vehicle and a hyperspectral imager
Deschênes, Catherine E. (Master thesis, 2023)Marine plastics pollution is an urgent environmental matter. Understanding the transport and effects of plastics over long spatial and temporal scales must be a priority in environmental monitoring. Challenges from current ... -
Exploring the Link of Inflammation and Adipogenesis Following Exposure to Plastic Chemical
Vedøy, Åsa (Master thesis, 2022)Den aukande førekomsten av fedme er eit enormt helseproblem på befolkningsnivå. Ifølgje den obesogene hypotesa er feittvev utsett for eksponering av metabolismeforstyrrande kjemikalie, spesielt i tidleg alder. Kommersielle ... -
Feeding type and development drive the ingestion of microplastics by freshwater invertebrates
Scherer, Christian; Brennholt, Nicole; Reifferscheid, Georg; Wagner, Martin (Journal article; Peer reviewed, 2017)Microscopic plastic items (microplastics) are ubiquitously present in aquatic ecosystems. With decreasing size their availability and potential to accumulate throughout food webs increase. However, little is known on the ... -
Global plastic pollution observation system to aid policy
Bank, Michael; Swarzenski, Peter W.; Duarte, Carlos M.; Rillig, Matthias C.; Koelmans, Albert A.; Metian, Marc; Wright, Stephanie; Provenche, Jennifer F.; Sanden, Monica; Jordaan, Adrian; Wagner, Martin; Thiel, Martin; Ok, Yong Sik (Peer reviewed; Journal article, 2021)Plastic pollution has become one of the most pressing environmental challenges and has received commensurate widespread attention. Although it is a top priority for policymakers and scientists alike, the knowledge required ... -
Hyperspectral imaging as an emerging tool to analyze microplastics: A systematic review and recommendations for future development
Faltynkova, Andrea; Johnsen, Geir; Wagner, Martin (Peer reviewed; Journal article, 2021)A central challenge in microplastics (MP, diameter < 5 mm) research is the analysis of small plastic particles in an efficient manner. This review focuses on the recent application of infrared hyperspectral imaging (HSI) ...