Institutt for kjemi: Nye registreringer
Viser treff 281-300 av 1395
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Multiomics analysis of rheumatoid arthritis yields sequence variants that have large effects on risk of the seropositive subset
(Peer reviewed; Journal article, 2022)Objectives To find causal genes for rheumatoid arthritis (RA) and its seropositive (RF and/or ACPA positive) and seronegative subsets. Methods We performed a genome-wide association study (GWAS) of 31 313 RA cases (68% ... -
Production and Analytical Characterization of Environmentally Relevant Micro-and Nanoplastic Reference Materials (<100 μm)
(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. ... -
Kinetic and Isotherm Modelling for the Investigation of Adsorption of Pharmaceuticals onto Suspended Particles in Marine Environmental Conditions
(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 ... -
Statistical Analysis of Paint Ingredients' Effect on Hydrophobicity and Surface Roughness - Using the Power Spectral Density Function to Quantify Roughness
(Master thesis, 2022)Siden globale temperaturer øker grunnet drivhusgassutslipp og drivstoffpriser fortsetter å heves, er skipsindustrien på jakt etter en måte å minske drivstofforbruket. En forslått løsning er luftsmøringssystemer som pumper ... -
“Fluid transport through nanoporous media in the presence of phase transitions
(Doctoral theses at NTNU;2022:268, Doctoral thesis, 2022)Clean potable water is among the most precious commodities in the world. Even though water is not sparse on the planet’s surface, it is not sufficiently accessible for about 4 billion people, who are experiencing serious ... -
Unimolecular Decomposition Reactions of Picric Acid and its Methylated Derivatives — A DFT Study
(Peer reviewed; Journal article, 2022)To handle energetic materials safely, it is important to have knowledge about their sensitivity. Density functional theory (DFT) has proven a valuable tool in the study of energetic materials, and in the current work, DFT ... -
A computational study of a ionic liquid and its ability to dissolve cellulose
(Master thesis, 2022)Oppløsningsmekanismen til en cellulosebunt solvatisert i blandinger av vann, Na+ og OH ble analysert gjennom molekylær dynamikksimulering og sammenlignet med den første i sitt slag simulerte ionisk væske som løsningsmiddel. ... -
Distribution and patterns of rare earth elements in marine organisms in the Trondheim fjord
(Master thesis, 2022)Den økende utvinningen og bruken av sjeldne jordarter (REEs) fører til en økning i utslipp og konsentrasjoner av disse metallene i marine miljøer. I denne oppgaven ble makroalger, blåskjell og brunkrabber brukt til å ... -
Kjemiske endringer i jordsmonnet etter skogbrann
(Master thesis, 2022)Denne oppgaven er en studie av kjemiske endringer i jordsmonnet etter to skogbranner på Sørlandet. Mer spesifikt er oppgaven en studie av innholdet av ulike tungmetaller, spormetaller og PAHer i jordsmonnet i både ... -
Synthesis and in vitro evaluation of a novel thienopyrimidine with phototoxicity towards rat glioma F98 cells
(Peer reviewed; Journal article, 2022)Glioblastoma multiforme is one of the most aggressive cancer forms in humans, and has low recovery rates after surgery, ionizing radiation and chemotherapy. Therefore, there is a high interest in the development of new ... -
Deposition Patterns of PAHs, PCBs, and Selected Elements in Snow on Glaciers - Covering a Latitudinal Gradient from Southern Norway (60.54°N) to Svalbard (78.87°N)
(Master thesis, 2022)Svalbard is a remote Arctic Archipelago, often considered to have a pristine environment. However, volatile and persistent compounds have been suggested to be transported from lower latitudes to the Arctic via long-range ... -
Gold Complex Preparation, Catalysis and Catalyst Activation
(Doctoral theses at NTNU;2022:195, Doctoral thesis, 2022)Gold complexes and salts have proven to be exceptional catalysts for the activation of carbon-carbon multiple bonds towards nucleophilic attack. Gold catalysts allow for the synthesis of complex products under mild conditions. ... -
Studies of long-range transported pollutants in proglacial lakes/ponds in Ny-Ålesund area
(Master thesis, 2022)Global warming has been affecting several aspects of the environment, e.g. physical, ecological, and economic. Therefore, research on the different aspects of the global warming process is going on continuously. Arctic ... -
A sensitive and compact optical detector based on digital lock-in amplification
(Peer reviewed; Journal article, 2021)We report a sensitive, fixed-wavelength, lock-in-based optical detector built from a light-emitting diode, two colour filters, a photodetector, a small number of discrete analogue components, and a low-cost microcontroller ... -
Synthesis of 3'-O-esterified sulfoquinovosyl glycerol derivatives
(Doctoral theses at NTNU;2022:282, Doctoral thesis, 2022)Lipid secondary metabolites are increasingly receiving the attention of researchers for their nutritional and pharmaceutical properties. In a previous study on secondary metabolites of Sclerochloa dura, a plant used in ... -
Synthetic Efforts to Investigate Structure-Property Relationships in Dyes for Dye- Sensitized Solar Cells
(Doctoral theses at NTNU;2022:300, Doctoral thesis, 2022)With the backdrop of human-induced global warming in mind, the need for sustainable energy has never been larger. The Intergovernmental Panel on Climate Change presented in their recent assessment report that global warming ... -
Elucidated structures from traditional Nigerian medicinal plants
(Master thesis, 2022)Oppgavens mål er å oppklare strukturene til stoffer ekstrahert fra Laportea aestuans, Colocasia esculenta, Xylopia aethiopica and Raphiostylis beninensis, tradisjonelle nigerianske medisinske planter. Motivasjone for dette ... -
Accelerating the understanding of chemistry: with path-sampling and human understandable machine learning algorithms
(Doctoral theses at NTNU;2022:289, Doctoral thesis, 2022)Understanding chemistry is essential for the optimization of reactions and the development of new reactions. Chemical reactions can be investigated by simulations without wasting any precious materials or be influenced by ... -
Synthesis and Characterization of Halogen Substituted 1,2,4-Triazolobenzodiazepines and Their α-Hydroxylated Metabolites
(Master thesis, 2022)Målet med denne masteroppgaven er å effektivt syntetisere seks ulike triazolobenzodiazepiner (7) og deres α-hydroksylerte metabolitter (6) fra det korresponderende benzofenonet (1), med fokus på triazolobenzodiazepinene ... -
Synthesis and Characterization of Nitro- and Fluoro-Substituted Triazolobenzodiazepines for use as Standards in Forensic Analysis
(Master thesis, 2022)Denne masteroppgaven omhandler syntese av nitro- og fluorsubstituerte triazolobenzodiazepiner (TBZD). Et økt forbruk av nye og uregistrerte TBZD på det ulovlige dopingmarkedet gjør det utfordrende for rettsmedisinske ...