Starfsfólk

Ásta Heiðrún E. Pétursdóttir

Sérfræðingur
  • Svið: Rannsóknir og nýsköpun
  • Netfang: asta.h.petursdottir()matis.is
  • Sími: +354 422 5028

Sérþekking

  • Snefilefni
  • Öryggi
  • HPLC-ICP-MS

Verkefni/Projects

Ritaskrá / Publications

DOKTORSRITGERÐ / THESIS

Ásta Heiðrún E. Pétursdóttir, 2014, Inorganic and lipophilic arsenic in food commodities with an emphasis on seafood. PhD Thesis in Analytical Chemistry. University of Aberdeen, Aberdeen, UK.

Ásta Heiðrún E. Pétursdóttir, 2010, Determination of toxic and non toxic arsenic species in Icelandic fish meal. Master's Thesis in Analytical Chemistry. University of Iceland, Reykjavik, Iceland.

RITRÝNDAR GREINAR / PUBLICATIONS IN PEER-REVIEWED JOURNALS:

2018:

Marschner K, Pétursdóttir ÁH, Bücker P, Raab A, Feldmann J, Mester Z, Matoušek T, Musil S. 2018. Validation and inter-laboratory study of selective hydride generation for fast screening of inorganic arsenic in seafood. Analytica Chimica Acta. Grein / Article

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

Petursdottir AH, Rodrigues de Jesus J, Gunnlaugsdottir H, Feldmann J. 2018. Quantification of labile and stable non-polar arsenolipids in commercial fish meals and edible seaweed samples. Journal of Analytical Atomic Spectrometry 33, (1):102-110. Grein / Article

2015:

Pétursdóttir, A.H., Fletcher K.,  Gunnlaugsdóttir H., Krupp E., Küpper F.C. , Feldmann J. 2015. Environmental effects on arsenosugars and arsenolipids in Ectocarpus (Phaeophyta). Environ. Chem. Grein / Article

Petursdottir A, Sloth J, Feldmann J. 2015. Introduction of regulations for arsenic in feed and food with emphasis on inorganic arsenic, and implications for analytical chemistry. Anal Bioanal Chem, 2015, 1-12. Grein / Article  

2014:

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. Analytical Methods, 2014, 6 (14), 5392 - 5396. Grein / Article

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

Musil, S.; Pétursdóttir, Á. H.; Raab, A.; Gunnlaugsdóttir, H.; Krupp, E.; Feldmann, J., Speciation without Chromatography Using Selective Hydride Generation: Inorganic Arsenic in Rice and Samples of Marine Origin. Analytical Chemistry 2014, 86, 993-999. Grein / Article

2012:

Pétursdóttir, Á., Gunnlaugsdóttir, H., Jörundsdóttir, H., Mestrot, A., Krupp, E., & Feldmann, J. HPLC-HG-ICP-MS: a sensitive and selective method for inorganic arsenic in seafood. Analytical and Bioanalytical Chemistry, 2012, 1-7. Grein / Article

Petursdottir, A. H., Gunnlaugsdottir, H., Jorundsdottir, H., Raab, A., Krupp, E. M., & Feldmann, J. Determination of inorganic arsenic in seafood: Emphasizing the need for certified reference materials. Pure and Applied Chemistry, 2012, 84(2), 191-202. Grein / Article

2011:

Amayo, K.O., Petursdottir, A.  Gunnlaugsdottir, H., Newcombe, C., Raab, A., Krupp, E.M., Feldmann, J. Identification and quantification of arsenolipids using RP-HPLC coupled simultaneously to high resolution ICP-MS high resolution ES-MS without species-specific standards. Analytical Chemistry, 2011, 83, 3589-3595. Grein / Article

SKÝRSLUR:

2015:

Rósa Jónsdóttir, Ásta Heiðrún Pétursdóttir, Halldór Benediktsson, Hilma B. Eiðsdóttir, Karl Gunnarsson, Jóna Freysdóttir. Áhrif vistfræði þangs og þara á lífvirk efni þeirra og nýtingu/ Ecological impact on bioactive chemicals in brown seaweeds and their utilization. Skýrsla Matís 08-15. Lokuð skýrsla. Skýrsluágrip.

A. Petursdottir, S. Musil, N. Friedrich, A. Raab, E. Krupp, J. Feldmann. High throughput determination of inorganic arsenic in rice using hydride generation-ICP-MS. Application note, Agilent Technologies, July. 2015 Skýrsla

2010:

Ásta Heiðrún E. Pétursdóttir, Hrönn Ólína Jörundsdóttir, Helga Gunnlaugsdóttir. Food safety and added value of Icelandic fishmeal – Determination of toxic and non-toxic arsenic species in fish meal / Verðmæti og öryggi íslensks fiskimjöls – Greining eitraðra og hættulausra efnaforma arsens í fiskimjöli. Skýrsla Matís 45-10.