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Stig Valdersnes

stig
Researcher
Telephone: 95273643
Department: Fremmed- og smittestoff

Publications

Academic articles

2023

Vertical distribution of inorganic nanoparticles in a Norwegian fjord

Are Sæle Bruvold, André Marcel Bienfait, Torunn Kringlen Ervik, Katrin Loeschner, Stig Valdersnes
Marine Environmental Research 188
2019

Complete validation according to current international criteria of a confirmatory quantitative method for the determination of nitrofuran metabolites in seafood by liquid chromatography isotope dilution tandem mass spectrometry

Britt Elin Rolfsnes, Felicia Dawn Couillard, Stig Valdersnes
Food Chemistry 300:125175 p. 1-9
2019

A validated routine method for butyltin determination in seafood by gas chromatography inductively coupled plasma isotope dilution mass spectrometry

Stig Valdersnes, Berit Solli, Veronika Sele, Kåre Julshamn
Journal of AOAC International 102 p. 278-285
2018

Single lab validation of a routine method for butyltin determination in seafood by isotope dilution inductively coupled plasma isotope dilution mass spectrometry

Stig Valdersnes, Berit Solli, Veronika Sele, Kåre Julshamn
Journal of AOAC International 101
2017

Estimating human exposure to perfluoroalkyl acids via solid food and drinks: Implementation and comparison of different dietary assessment methods

Eleni Zoumpoulia Papadopoulou, Somrutai Poothong, Jacco Koekkoek, Luisa Lucattini, Juan Antonio Padilla Sanchez, Margaretha Haugen, Dorte Herzke, Stig Valdersnes, Amund Måge, Ian T. Cousins, Pim E.G. Leonards, Line Småstuen Haug
Environmental Research 158 p. 269-276
2017

Geographical trends of PFAS in cod livers along the Norwegian coast

Stig Valdersnes, Bente Merete Nilsen, Joar Fjørtoft Breivik, Asbjørn Borge, Amund Måge
PLOS ONE 12:e0177947 p. 1-15
2017

Total Mercury, Methylmercury, Inorganic Arsenic and Other Elements in Meat from Minke Whale (Balaenoptera acutorostrata) from the North East Atlantic Ocean

Amund Måge, Bente Merete Nilsen, Kåre Julshamn, Livar Frøyland, Stig Valdersnes
Bulletin of Environmental Contamination and Toxicology 99 p. 161-166
2017

Comprehensive characterization of ethoxyquin transformation products in fish feed by traveling-wave ion mobility spectrometry coupled to quadrupole time-of-flight mass spectrometry

Noelia Negreira, Jorge Regueiro, Stig Valdersnes, Marc Berntssen, Robin Ørnsrud
Analytica Chimica Acta 965 p. 72-82
2017

Validation of a Method for the Determination of Balenine/Ophidine in Whale

Stig Valdersnes, Anita Birkenes, Livar Frøyland
Journal of AOAC International 100 p. 1814-1818
2017

Validation of a method for the determination of balenine/ophidine in whale

S. Valdersnes, A. Birkenes, L. Froyland
J. AOAC Int.
2016

Collaborative study on determination of mono methylmercury in seafood

Stig Valdersnes, Peter Fecher, Amund Måge, Kåre Julshamn
Food Chemistry 194 p. 424-431
2016

Assessment of Hg Pollution Released from a WWII Submarine Wreck (U-864) by Hg Isotopic Analysis of Sediments and Cancer pagurus Tissues

Ana Rua-Ibarz, Eduardo Bolea-Fernandez, Amund Måge, Sylvia Frantzen, Stig Valdersnes, Frank Vanhaecke
Environmental Science and Technology 50 p. 10361-10369
2015

Heavy metals and POPs in red king crab from the Barents Sea

Kåre Julshamn, Stig Valdersnes, Arne Duinker, Kjell Harald Nedreaas, Jan Henry Sundet, Amund Måge
Food Chemistry 167 p. 409-417
2014

Arsenic-containing fatty acids and hydrocarbons in marine oils -Determination using reversed-phase HPLC-ICP-MS and HPLC-qTOF-MS

Veronika Sele, Jens Jørgen Sloth, Bjarte Holmelid, Stig Valdersnes, Kasper Skov, Heidi Amlund
Talanta: The International Journal of Pure and Applied Analytical Chemistry 121 p. 89-96
2014

Residue levels of enrofloxacin and ciprofloxacin in processed animal by-products used in Atlantic salmon feeds and their long-term carry-over to the edible part of the fish

Marc Berntssen, Stig Valdersnes, Bjørn Tore Lunestad, Bjarne Hatlen, Martin Alm, Rune Waagbø, Louise Buttle
Aquaculture Nutrition 20 p. 712-721
2013

A baseline study of levels of mercury, arsenic, cadmium and lead in Northeast Arctic cod (Gadus morhua) from different parts of the Barents Sea

Kåre Julshamn, Arne Duinker, Bente Merete Nilsen, Sylvia Frantzen, Amund Måge, Stig Valdersnes, Kjell Harald Nedreaas
Marine Pollution Bulletin 67 p. 187-195
2013

Selective transformations of a diprotected 2-oxobutanedia

Marit Kristin Leiren, Stig Valdersnes, Leiv K. Sydnes
Helvetica Chimica Acta 96 p. 1841-1850
2012

Classification of Geographical Origin by PNN Analysis of Fatty Acid Data and Level of Contaminants in Oils From Peruvian Anchovy

Inger Beate Standal, José Rainuzzo, David E. Axelson, Stig Valdersnes, Kåre Julshamn, Marit Aursand
Journal of the American Oil Chemists Society 89 p. 1173-1182
2012

A Method for the Routine Determination of Methylmercury in Marine Tissue by GC Isotope Dilution-ICP-MS

Stig Valdersnes, Amund Måge, Daniel Fliegel, Kåre Julshamn
Journal of AOAC International 95 p. 1189-1194
2012

Total and inorganic arsenic in fish samples from Norwegian waters

Kåre Julshamn, Bente Merete Nilsen, Sylvia Frantzen, Stig Valdersnes, Amund Måge, Kjell Harald Nedreaas, Jens Jørgen Sloth
Food Additives and Contaminants 5 p. 229-235
2012

Toward the Synthesis of Modified Carbohydrates by Conjugate Addition of Propane-1,3-dithiol to alpha,beta-Unsaturated Ketones

Stig Valdersnes, Ingrid Apeland, Guro Flemmen, Leiv Kristen Sydnes
Helvetica Chimica Acta 95 p. 2099-2122
2011

Toxicokinetics and carry-over model of alpha-hexabromocyclododecane (HBCD) from feed to consumption-sized Atlantic salmon (Salmo salar)

Marc Berntssen, Stig Valdersnes, Grethe Rosenlund, Bente Elisabeth Torstensen, Marco J. Zeilmaker, Jan C.H. van Eijkeren
Food Additives and Contaminants 28 p. 1274-1286
2011

Concentrations of mercury, arsenic, cadmium and lead in Greenland halibut (Reinhardtius hippoglossoides) caught off the coast of northern Norway

Kåre Julshamn, Sylvia Frantzen, Stig Valdersnes, Bente Merete Nilsen, Amund Måge, Kjell Harald Nedreaas
Marine Biology Research 7 p. 733-745
2010

Responses in the brain proteome of Atlantic cod (Gadus morhua) exposed to methylmercury

Karin Berg, Pål Puntervoll, Stig Valdersnes, Anders Goksøyr
Aquatic Toxicology 100 p. 51-65
2009

Preparation of 2-Ethoxy-3-hydroxy-4-(perfluoroalkyl)tetrahydropyran Derivatives from Substituted 4- Ethoxybut-3-en-1-ols

Stig Valdersnes, Leiv K. Sydnes
European Journal of Organic Chemistry 33 p. 5816-5831
2008

Stereospecific synthesis of allylic and homoallylic alcohols from functionalized propargylic alcohols

Leiv K. Sydnes, Bjarte Holmelid, Ole Heine Kvernenes, Stig Valdersnes, Mari Hodne, Kjartan Boman
ARKIVOC p. 242-268
2007

Recent advances in the synthesis of carbohydrate analogs

Leiv K. Sydnes, Stig Valdersnes
Pure and Applied Chemistry 79 p. 2137-2142
2006

Identification of several Tonalide (R) transformation products in the environment

Stig Valdersnes, Roland Kallenborn, Leiv K. Sydnes
International Journal of Environmental Analytical Chemistry 86 p. 461-471
2005

From 3,3,4,4-tetraethoxybutyne to carbohydrate mimics

Leiv K. Sydnes, Ole Heine Kvernenes, Stig Valdersnes
Pure and Applied Chemistry 77 p. 119-130

Scientific lectures

2023

Climate Change And Impact On Critical Contaminants In Seafood Ongoing Projects And Future Research Needs.

Monica Sanden, Stig Valdersnes, Ali M Aasim, Amund Måge, Tanja Kögel, Annette Bernhard, Bente Merete Nilsen, Sonnich Meier, Stepan Boitsov, Sylvia Frantzen
2018

Surveillance of microplastics (MPs) in seafood. Ongoing activity and future perspectives. Poster Presentation

Monica Sanden, Tanja Kögel, Michael Bank, Ørjan Bjorøy, Bjørn Einar Grøsvik, Helge Torbjørn Hove, Eystein Oveland, Stig Valdersnes
2018

Microplastics in Seafood – An Overview of Surveillance and Analytical Activities at the Institute of Marine Research

Ørjan Bjorøy, Eystein Oveland, Stig Valdersnes, Helge Torbjørn Hove, Michael Bank, André Marcel Bienfait, Monica Sanden
2017

Environmental contaminants in wild fish from the North East Atlantic

Amund Måge, Bente Merete Nilsen, Tanja Kögel, Arne Duinker, Stig Valdersnes, Martin Wiech, Atabak Mahjour Azad, Håkon Magne Otterå, Sylvia Frantzen

Poster

2020

Screening for nanoparticles in marine organisms

Are Sæle Bruvold, Stig Valdersnes, Katrin Loeschner, Janja Vidmar, André Marcel Bienfait, Monica Sanden
2020

Determination of metal oxide nanoparticles in the marine environment.

André Coetzee Kjærvik, André Bienfait, Stig Valdersnes
2018

Towards a future screening method for nanoparticles in seafood –For surveillance and risk assessment of food safety

Stig Valdersnes, Katrin Löschner, Berit Solli, Tanja Kögel, Monica Sanden, Veronika Sele
2002

Enantioselective Chromatographic Analyses of Transformation Products from Polycyclic Musks

S. D. During, H. Hühnerfuss, Roland Kallenborn, W. A. König, Leiv K. Sydnes, Stig Valdersnes

Reports and dissertations

2024

Fremmedstoffer i villfisk 2023 - Bestemmelse av uorganisk arsen, metylkvikksølv og PFAS i utvalgte sjømatprøver

Sylvia Frantzen, Stig Valdersnes, Martin Wiech, Monica Sanden
Rapport fra havforskningen
2022

Svar på høring om tillatelse til utslipp fra foreløpig anleggsvirksomhet samt mudring, dumping og utfylling i forbindelse med bygging av Stad skipstunnel.

Lars Asplin, André Marcel Bienfait, Sigurd Heiberg Espeland, Johanna Jennifer Elisabeth Fall, Karine Gagnon, Bjørn Einar Grøsvik, Vivian Husa, Halvor Knutsen, Tanja Kögel, Terje van der Meeren, Frithjof Emil Moy, Lise Doksæter Sivle, Henning Steen, Jan Erik Stiansen, Brian Stock, Elin Sørhus, Stig Valdersnes
2020

HØRINGSUTTALELSE VEDRØRENDE REGULERINGSPLAN MED KONSEKVENSUTREDNING FOR UTVINNING AV GULL I BOGADALENKOLSVIK I BINDAL KOMMUNE

Terje van der Meeren, Lars Asplin, Tina Kutti, Guldborg Søvik, Tanja Kögel, Sigurd Espeland Heiberg, Vidar Wennevik, André Marcel Bienfait, Stig Valdersnes, Robin Ørnsrud, Samuel Rastrick
2006

Modified carbohydrates from 3,3,4,4-tetraethoxybut-1-yne

Valdersnes, Stig
2001

Oksidasjon av muskforbindelsen Tonalide R og forsøk på deteksjon av oksidasjonsproduktene i biologiske prøver

Valdersnes, Stig
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