Browsing NTNU Open by Author "Sørensen, Lisbet"
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Accelerated hydrolysis method for producing partially degraded polyester microplastic fiber reference materials
Sarno, Antonio; Olafsen, Kjell; Kubowicz, Stephan; Karimov, Fuad; Sait, Shannen; Sørensen, Lisbet; Booth, Andy (Peer reviewed; Journal article, 2020)Microplastic fibers (MPFs) from textiles significantly contribute to the microplastic (MP) load in many environmental matrices and have been shown to negatively impact the organisms therein. Most fate and effect studies ... -
Analyse av ikke-sfæriske mikro- og nanoplastpartikler: Kvantifiseringsmetoder for vannprøver, og effekten av mekanisk- og UV-nedbrytning
Flovall, Ingrid Elise Schau; Breivik, John Magnus Cotton (Bachelor thesis, 2023)Denne bacheloroppgaven er skrevet som en del av REVEAL-prosjektet, som undersøker hvordan mikro- og nanoplastpartikler fra plastposer og tekstiler oppstår i naturen som følge av nedbrytningen av større plastprodukter. ... -
Atlantic cod (Gadus morhua) embryos are highly sensitive to short-term 3,4-dichloroaniline exposure
Hansen, Bjørn Henrik; Farkas, Julia; Piarulli, Stefania; Vicario, Silvia; Kvæstad, Bjarne; Williamson, David Roddan; Sørensen, Lisbet; Davies, Emlyn John; Nordtug, Trond (Peer reviewed; Journal article, 2021)3,4-dichloroaniline (3,4-DCA) is one of the most widely produced anilines world-wide, used in plastic packaging, fabrics, pharmaceuticals, pesticides, dyes and paints as well as being a degradation product of several ... -
Carbon Nanotube Properties Influence Adsorption of Phenanthrene and Subsequent Bioavailability and Toxicity to Pseudokirchneriella subcapitata
Glomstad, Berit; Altin, Dag; Sørensen, Lisbet; Liu, Jingfu; Jenssen, Bjørn Munro; Booth, Andy (Journal article; Peer reviewed, 2016)The bioavailability of organic contaminants adsorbed to carbon nanotubes (CNTs) remains unclear, especially in complex natural freshwaters containing natural organic matter (NOM). Here, we report on the adsorption capacity ... -
Comparison of two field systems for determination of crude oil biodegradation in cold seawater
Langeloh, Hendrik Hinrich; Greer, Charles W.; Vergeynst, Leendert; Hakvåg, Sigrid; Øverjordet, Ida Beathe; Bakke, Ingrid; Sørensen, Lisbet; Brakstad, Odd Gunnar (Journal article; Peer reviewed, 2024)Marine oil spills have devastating environmental impacts and extrapolation of experimental fate and impact data from the lab to the field remains challenging due to the lack of comparable field data. In this work we compared ... -
Determination of C0‐C9 alkyl phenols in produced water‐exposed fish eggs using gas chromatography tandem mass spectrometry
Oppegård, Martin; Hansen, Bjørn Henrik; Sørensen, Lisbet (Peer reviewed; Journal article, 2020)Rationale Produced water (PW) discharge from the oil and gas industry represents the largest intentional marine waste volume. Alkyl phenols (APs) are one of the main toxic component groups found in PW, with concentration ... -
Development of Sample Preparation Techniques for Analysis of Environmental Toxins in Fish Tissue by GCxGC-HRMS
Ibrekk, Marie; Torvanger, Rikke (Bachelor thesis, 2024)Effektiv miljøovervåkning av marine arter avhenger av effektive prøveopparbeidings-metoder for å håndtere kompleksiteten i vevsmatriser og observere spredningen av giftstoffer. Denne oppgaven utforsker ulike teknikker for ... -
Effects of Exposure Timing on cyp1a Expression, PAH Elimination, and Lipid Utilization in Lumpfish Embryos Exposed to Produced Water
Hansen, Bjørn Henrik; Arukwe, Augustine Ebeku; Knutsen, Hannah Marie; Skarpnord, Kaja Skyrud; Farkas, Julia; Veylit, Lara; Nepstad, Raymond; Khan, Essa Ahsan; Nordtug, Trond; Sørensen, Lisbet (Peer reviewed; Journal article, 2023)Intentional discharges of produced water from oil production platforms to the marine environment contain a complex mixture of toxicants, including polycyclic aromatic hydrocarbons (PAHs). Early life stages of fish are ... -
Evaluation of environmental conditions on the sorption of PAHs onto synthetic and natural fibres
Torbjørn Nguyen (Master thesis, 2019)Mikroplast I miljøet har blitt en økende bekymring det siste tiåret. Tilstedeværelsen til mikroplast i miljøet har kraftig økt, og fremstår som en fare for dyreliv. En vanlig type mikroplast funnet i miljøet er mikroplastfibre. ... -
Evaluation of methods to determine adsorption of polycyclic aromatic hydrocarbons to dispersed carbon nanotubes
Glomstad, Berit; Sørensen, Lisbet; Liu, Jingfu; Shen, Mohai; Zindler, Florian; Jenssen, Bjørn Munro; Booth, Andy (Journal article; Peer reviewed, 2017)A number of methods have been reported for determining hydrophobic organic compound adsorption to dispersed carbon nanotubes (CNTs), but their accuracy and reliability remain uncertain. We have evaluated three methods to ... -
Impact of seawater temperature and physical-chemical properties on sorption of pharmaceuticals, stimulants, and biocides to marine particles
Sørensen, Lisbet; Hovsbakken, Ingrid Alver; Wielogorska, Ewa; Creese, Mari Egeness; Sarno, Antonio; Caban, Magda; Sokolowski, Adam; Øverjordet, Ida Beathe (Peer reviewed; Journal article, 2024)Pharmaceuticals, stimulants, and biocides enter the environment via wastewater from urban, domestic, and industrial areas, in addition to sewage, aquaculture and agriculture runoff. While some of these compounds are easily ... -
Investigation of polycyclic aromatic hydrocarbons (PAH) absorption from seawater to model microplastic particles
Rogers, Emilie (Master thesis, 2018)Se vedlegg -
Kinetic and Isotherm Modelling for the Investigation of Adsorption of Pharmaceuticals onto Suspended Particles in Marine Environmental Conditions
Hovsbakken, Ingrid Alver (Master thesis, 2022)Legemidler er nylig oppdagede forurensende forbindelser som slippes ut i det marine miljøet uten særlig omtanke. Man tror at adsorpsjon til suspenderte partikler kan bidra til akkumulering av legemidler i havet, noe som ... -
Microplastic fibres from synthetic textiles: Environmental degradation and additive chemical content
Sait, Shannen; Sørensen, Lisbet; Kubowicz, Stephan; Vike-Jonas, Kristine; Gonzales, Susana Villa; Asimakopoulos, Alexandros; Booth, Andy (Peer reviewed; Journal article, 2021)Microplastic fibres (MPFs) often make up the largest fraction of microplastic pollution in aquatic environments, yet little is known about their degradative fate and persistence. This study investigates the environmentally ... -
Mikroplastfibre i det marine miljø: Nedbrytning og utslipp av additiver som følge av UV-eksponering.
Groven, Anette Synnøve; Hovsbakken, Ingrid Alver (Bachelor thesis, 2020)De siste 50 årene har interessen for forskningen på mikroplast økt kraftig. Mengden mikroplast i havene øker stadig i takt med økt forbruk av plastprodukter. Et opphav til forurensing av mikroplast i havene er produksjon ... -
Organic chemicals associated with rubber are more toxic to marine algae and bacteria than those of thermoplastics
Sørensen, Lisbet; Gomes, Tania; Igartua, Amaia; Lyngstad, Inger Larsen; Almeida, Ana Catarina; Wagner, Martin; Booth, Andy (Peer reviewed; Journal article, 2023)The current study investigated the chemical complexity of fifty plastic (36) and elastomer/rubber (14) methanol extracts from consumer products, focusing on the association with toxicity in two screening assays (bacteria ... -
Parameters Governing the Adsorption of Crude and Bunker Fuel Oils to Seawater Suspended Particulate Matter
Sørensen, Lisbet (Master thesis, 2012)In this study, parameters influencing the adsorption of dispersed oil droplets to suspended particulate matter (SPM) in seawater were investigated. The interaction between oil and SPMs can alter the ultimate fate of oil ... -
Plastpellets i marint miljø: kildesporing og nedbrytning av pellets fra utslipp ved kysten av Sør-Afrika og Norge
Andreassen, Stina Marie Hov; Lysberg, Ingeborg Antonsen; Strømsnes, John Marius (Bachelor thesis, 2021)Utslipp av plastpellets er en av de mest omfattende kildene til plastforurensning i det marine miljø. Pelletene defineres som mikroplast, og kan potensielt medføre store konsekvenser for livet i havet. Utslippene gir ... -
Production and Analytical Characterization of Environmentally Relevant Micro-and Nanoplastic Reference Materials (<100 μm)
Gerace, Mathias Hanson (Master thesis, 2022)Plastforurensning er et økende problem verden rundt. Forsøpling med plast direkte i miljøet gjør at plastrester og mindre fragmenter flyter rundt i byer og i naturen, helt til de blir degradert til mikro- og nanoplast. ... -
A seawater field study of crude and fuel oil depletion in Northern Norway at two different seasons – Chemistry and bacterial communities
Langeloh, Hendrik Hinrich; Hakvåg, Sigrid; Øverjordet, Ida Beathe; Bakke, Ingrid; Sørensen, Lisbet; Brakstad, Odd Gunnar (Journal article; Peer reviewed, 2024)After marine oil spills, natural processes like photooxidation and biodegradation can remove the oil from the environment. However, these processes are strongly influenced by environmental conditions. To achieve a greater ...