Blar i NTNU Open på forfatter "Schmid, Rudolf"
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A novel compound isolated from Sclerochloa dura has anti-inflammatory effects
Bukhari, Syed Majid; Feuerherm, Astrid Jullumstrø; Tunset, Hanna Maja; Isaksen, Stian Moe; Sæther, Mari; Thvedt, Thor Håkon Krane; Villa Gonzalez, Susana; Schmid, Rudolf; Brunsvik, Anders; Fuglseth, Erik; Zlatković, Bojan; Johansen, Berit; Simic, Nebojsa (Journal article; Peer reviewed, 2016)The activation of phospholipase A2 (PLA2) by means of pro-inflammatory cytokines results in the subsequent release of arachidonic acid (AA) and generates eicosanoids, which further propagate inflammation. Through cyclooxygenases ... -
Analysis of Steroidal Compounds in Environmental Samples by Comprehensive Two-dimensional Gas Chromatography Time-of-flight Mass Spectrometry
Hopland, Eivind Rykkje (Master thesis, 2015)Steroidal compounds, especially human estrogens, have been shown to have an impact on aquatic ecosystems. Investigations at the Viikinmäki wastewater treatment plant in Helsinki revealed presence of these compounds in ... -
Comprehensive Two-Dimensional Gas Chromatography: method development and verification by characterisation of petroleum fractions
Egeness, Mari Jystad (Master thesis, 2012)AbstractComprehensive two-dimensional gas chromatography is a multidimensional separation technique. A sample is separated by two properties on two different columns, typically by carbon number and polarity. The two columns ... -
Determination of nitrated and oxygenated polycyclic aromatic hydrocarbons in arctic air by GC/NICI-MS
Sundby, Kristin (Master thesis, 2017)Nitrated and oxygenated polycyclic aromatic hydrocarbons (nitro- and oxy-PAHs) are pollutants that enter the atmosphere from incomplete combustions and from degradation of regular PAHs. Nowadays, there are growing interests ... -
Determination of Poly Chlorinated biphenyls in sediment of Trondheim fjord (Norway) and Lake Tana (Ethiopia) using pressurized liquid extraction (PLE) and Gas Chromatography - Mass Spectrometry (GC-MS)
Birhanu, Meseret Zebeaman (Master thesis, 2017)The presence of polychlorinated biphenyls (PCBs) in the environment is of great concern, as they are compounds that are hazardous to the environment and human health. Environmental investigations of PCBs can be challenging ... -
Development of an On-Line Monitoring Platform and Procedure for Rapid Environmental and Process Monitoring of Heavy Oil Extraction Operations and Industrial Activity
Martinsen, Morten Rønnevig (Doctoral theses at NTNU;2020:359, Doctoral thesis, 2020)Developing monitoring systems for micro-pollutants and toxic substances to be able to protect particularly valuable and vulnerable areas against negative environmental pressures and impacts, and be in the forefront concerning ... -
The development of antifouling materials with potential application on sensors
Zhang, Xiaoxue (Doctoral theses at NTNU;2022:77, Doctoral thesis, 2022)Unwanted biofilm is one of major unsolved problems for underwater structures including movable and stationary, such as ships, pipelines, cables, fishing nets, bridge pillars and sensors. Especially for water monitoring ... -
Development of Protocols for the Extraction, Separation and Characterization of Lipids - Determination of photosynthetic Lipid Composition under different Light Environments in the Microalga Nannochloropsis oceanica
Gulyaeva, Ksenia (Master thesis, 2015)The main aim of this research was to develop protocols and techniques for simultaneous extraction, separation and characterization of photosynthetic lipids synthesized in Nannochloropsis oceanica. The lipid composition can ... -
Effect of Surface Chemistry and Physical Properties of Carbon Nanotubes on the Adsorption of Polycyclic Aromatic Hydrocarbons in Aqueous Solutions
Ramzan, Muhammad (Master thesis, 2013)Adsorption behavior of seven different carbon nanotubes (CNTs) towards polycyclic aromatic hydrocarbons (PAHs) was studied in moderately hard reconstituted water (MHRW) with and without dissolved natural organic matter ... -
Er plantebasert grønn syntese av metalliske nanopartikler et realistisk alternativ til kjemisk reduktiv syntese? Med sølv (Ag) som eksempel.
Heggedal, Mina (Bachelor thesis, 2020) -
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. ... -
Experimental weathering of microplastic under simulated environmental conditions - Method development and characterization of pristine, photodegraded and mechanically weathered microplastic
Hepsø, Marion Olsen (Master thesis, 2018)The aim of this master thesis was to investigate the physico-chemical changes of microplastic (MP) weathered under simulated environmental conditions: floating on the ocean surface and in the intertidal zone. Polyethylene ... -
Exploring analytical pyrolysis; Characterisation of organic binding media in Ethiopian Christian art using pyrolysis gas chromatography mass spectrometry
Magni, Marie-Louise Tambo (Master thesis, 2019)Karakterisering av lipid- og protein-baserte bindemidler ble utforsket ved hjelp av pyrolyse-GC/MS (analytisk pyrolyse). Markører ble identifisert i seks malingsreplikaer av bindemiddelprøver uten pigmenter (linolje, bivoks, ... -
Investigation of polycyclic aromatic hydrocarbons (PAH) absorption from seawater to model microplastic particles
Rogers, Emilie (Master thesis, 2018)Se vedlegg -
Investigation on the Experimental Determination of Crude Oil in the Faeces from the Marine Copepod Calanus finmarchicus.
Larsen, Katrine Hervik (Master thesis, 2012)Oil spilled into the ocean is subjected to weathering processes which alter the spilled or discharged oil. Natural dispersion is a weathering process which removes oil from the sea surface by breaking the oil into droplets. ... -
Investigations on the Applicability of Membrane Introduction as a Sampling Technique for Oil in Air and Water with Flame Ionization Detector (FID) and Mass Spectrometry (MS) Detection
Trefjord, Terese (Master thesis, 2012)During a membrane introduction (MI) analysis the analytes are separated from the bulk matrix (e.g. air or water) by a semi-permeable membrane and transported to the detector by a carrier gas (usually helium). The most ... -
Kartlegging og kjemisk karakterisering av oljeforurensing langs Trøndelagskysten
Henriksen, Stine (Master thesis, 2012)Dette prosjektet omhandler identifikasjon av oljetyper i tjæreballer og oljeflekker funnet langs Trøndelagskysten. Prøvematerialet ble samlet inn på øyene Sula, Kunna, Vesterkalven, Storkalven og Aursøya langs Trøndelagskysten. ... -
Kjemisk karakterisering av oljeforurensninger i 14 år etter et eksperimentelt oljesøl på en strandsone i Arktis
Noreng, Mona Skagseth (Master thesis, 2012)Etter forliset av tankeren Torrey Canyon i den engelske kanal i 1967 har det vært økt fokus rundt problemer med oljeforurensninger i miljøet. Etter grunnstøtingen av tankeren Exxon Valdez i 1989 ble det også en økt interesse ... -
Kvantitativ analyse av 3-metyl-2-buten-1-tiol i øl.
Wexsahl, Rune Jæger (Bachelor thesis, 2020)For å kunne svare på bacheloroppgavens spørsmål sees det nærmere på hvordan 3-methyl-2-buten-1-tiol dannes i øl, og fra dette finne en egnet kvantitativ analysemetode for 3-metyl-2-buten-1-tiol i øl. Det oppnås ved å først ... -
LC-MS/MS Analysis of Thyroid Hormones in Blood Serum: Instrumental Method Development and Optimization of Extraction from Bovine Serum
Bråtveit, Ole Christian (Master thesis, 2017)Thyroid hormones are a class of hormones that are essential to mammals for maintaining normal cell functions. In this study, we developed an instrumental method for the analysis of four thyroid hormones: L-Thyroxine (T4), ...