Ásta Heiðrún E. Pétursdóttir

Rebecca Sim, Liberty O’Brien, Marta Weyer, Karl Gunnarsson, Hildur Inga Sveinsdóttir, Ásta Heiðrún Elísabet Pétursdóttir. Potentially Toxic Elements in Icelandic Seaweeds - (2024). SSRN, , .

Sim Rebecca, Feldmann Joerg, Stengel Dagmar B., Pétursdóttir Ásta H.. Temporal and intra-thallus variation in arsenic species in the brown macroalga Laminaria digitata - (2023). Environmental Chemistry , 20, 55-65. https://doi.org/10.1071/EN22123

Eric E. Newton, Ásta H. Pétursdóttir, Stephane Beauclercq, James Clarke, Natasa Desnica, Sokratis Stergiadis. Variation in macrominerals and trace elements in cows’ retail milk and implications for consumers nutrition - (2023). Food Chemistry, Vol 418, . https://doi.org/10.1016/j.foodchem.2023.135809

Qin, N, Petursdottir, A. H, Humphries, D.J, Desnica, N., Newton, E.E.; Vanhatalo,A,; Halmemies-Beauchet-Filleau,A; Bell,L,: Givens, I; Juniper,D.T.; Gunnlaugsdóttir,H; Stergiadis,S;. Mineral concentrations in milk from cows fed seaweed (Saccharina latissima) under different basal protein supplementation, Food Chemistry - (2023). Food Chemistry, Volume 403, 134315. https://doi.org/10.1016/j.foodchem.2022.134315

Künzel, S., Yergaliyev, T., Wild, K. J., Philippi, H., Petursdottir, A. H., Gunnlaugsdottir, H., Reynolds, C. K., Humphries, D. J., Camarinha-Silva, A., & Rodehutscord, M. Methane Reduction Potential of Brown Seaweeds and Their Influence on Nutrient Degradation and Microbiota Composition in a Rumen Simulation Technique - (2022). Frontiers in Microbiology, 13, . https://doi.org/10.3389/fmicb.2022.889618

Huang, Z., Bi, R., Musil, S., Pétursdóttir, Á. H., Luo, B., Zhao, P., Tan, X., & Jia, Y. Arsenic species and their health risks in edible seaweeds collected along the Chinese coastline - (2022). Science of the Total Environment, 847, 157429. https://doi.org/10.1016/j.scitotenv.2022.157429

Stergiadis, S.; Qin, N.; Faludi, G.; Beauclercq, S.; Pitt, J.; Desnica, N.; Pétursdóttir, Á.H.; Newton, E.E.; Angelidis, A.E.; Givens, I.; Humphries, D.J.; Gunnlaugsdóttir, H.; Juniper, D.T. Mineral Concentrations in Bovine Milk from Farms with Contrasting Grazing Management - (2021). Foods 2021, 10, 2733. https://doi.org/10.3390/foods10112733

Newton, E.E., Pétursdóttir, Á.H., Ríkharðsson, G., Beaumal, C., Desnica, N., Giannakopoulou, K., Juniper, D., Ray, P., Stergiadis, S.. Effect of Dietary Seaweed Supplementation in Cows on Milk Macrominerals, Trace Elements and Heavy Metal Concentrations - (2021). Foods, 10, 1526.

Nanbing Qin, Gergely Faludi, Stephane Beauclercq, Joe Pitt, Natasa Desnica, Ásta Pétursdóttir, Eric E. Newton, Angelos Angelidis, Ian Givens, Darren Juniper, David Humphries, Helga Gunnlaugsdóttir, Sokratis Stergiadis. Macromineral and trace element concentrations and their seasonal variation in milk from organic and conventional dairy herds - (2021). Food Chemistry, Volume 359, .

Pétursdóttir, Á.H., Blagden J., Gunnarsson, K., Raab, A., Stengel, D.B., Feldman, J., Gunnlaugsdóttir, H.. Arsenolipids are not uniformly distributed within two brown macroalgalspecies Saccharina latissima and Alaria esculenta - (2019). Analytical and Bioanalytical Chemistry, 411, 4973-4985.

Pétursdóttir Á.H., Gunnlaugsdóttir H. Selective and fast screening method for inorganic arsenic in seaweed using hydride generation inductively coupled plasma mass spectrometry (HG-ICPMS) - (2019). Microchemical Journal, 144, 45-50.

Marschner, K., Pétursdóttir, Á.H., Bücker, P., Raab, A., Feldmann, J., Mester, Z., Matoušek, T., Musil, S.. Validation and inter-laboratory study of selective hydride generation for fastscreening of inorganic arsenic in seafood - (2019). Analytica Chimica Acta, 1049, 20-28.

Pétursdóttir, Á.H., Rodrigues de, J, J., Gunnlaugsdóttir, H., Feldmann, J.. Quantification of labile and stable non-polar arsenolipids in commercial fish meals and edible seaweed samples - (2018). Journal of Analytical Atomic Spectro-metry, 1, 102-110.

Marschner, K., Pétursdóttir, Á.H., Bücker, P., Raab, A., Feldmann, J., Mester, Z., Matoušek, T., Musil, S.. Validation and inter-laboratory study of selective hydride generation for fast screening of inorganic arsenic in seafood - (2018). Analytica Chimica Acta, 21, 20-28.

Petursdóttir, A.H., Fletcher K.,  Gunnlaugsdóttir H., Krupp E., Küpper F.C., Feldmann J.. Environmental effects on arsenosugars and arsenolipids in Ectocarpus (Phaeophyta) - (2015). Environmental Chemistry, 13(1), 21-33.

Petursdottir A.H., Sloth J., Feldmann J.. Introduction of regulations for arsenic in feed and food with emphasis on inorganic arsenic, and implications for analytical chemistry - (2015). Analytical and Bioanalytical Chemistry, 407, 8385-8396.

Petursdottir, A.H., Gunnlaugsdottir, H., Krupp, E.M., Feldmann, J.. Inorganic arsenic in seafood: Does the extraction method matter? - (2014). Food Chemistry, 150, 353-359.

Petursdottir A.H., Friedrich, N., Musil, S., Raab, A., Gunnlaugsdottir, H., Krupp, E.M.,Feldmann, J.. Hydride generation ICP-MS as a simple method for determination of inorganic arsenic in rice for routine biomonitoring - (2014). Analytical Methods, 6, 5392-5396.

Musil, S., Petursdottir, A., Raab, A., Gunnlaugsdottir, H., Krupp, E., Feldmann, J.. Speciation without chromatography using selective hydride generation: inorganic arsenic in rice and samples of marine origin - (2014). Analytical Chemistry, 86(2), 993-999.

Ásta Heiðrún Pétursdóttir, Helga Gunnlaugsdóttir, Hrönn Jörundsdóttir, Andrea Raab, Eva M. Krupp, Jörg Feldmann. Determination of inorganic arsenic in seafood: Emphasizing the need for certified reference materials - (2012). Pure and Applied Chemistry, 84(2), 191-202.

Pétursdóttir, Á.H., Gunnlaugsdóttir, H., Jörundsdóttir, H., Adrien Mestrot, Krupp, E.M., Feldmann, J.. HPLC-HG-ICP-MS: a sensitive and selective method for inorganic arsenic in seafood - (2012). Analytical Chemistry, 404(8), 2185-2191.

Kenneth O. Amayo, Asta Petursdottir, Chris Newcombe, Helga Gunnlaugsdottir, Andrea Raab, Eva M. Krupp, Jörg Feldmann. Identification and Quantification of Arsenolipids Using Reversed-Phase HPLC Coupled Simultaneously to High-Resolution ICPMS and High-Resolution Electrospray MS without Species-Specific Standards - (2011). Analytical Chemistry, 83, 3589-3595.

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Seaweed supplementation to mitigate methane (CH4) emissions by cattle

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Seaweed supplementation to mitigate methane (CH4) emissions by cattle (SeaCH4NGE-PLUS)

Þang sem fóðurbætir fyrir mjólkurkýr