Thomas E Gundersen

Summary

Country: Norway

Publications

  1. ncbi request reprint High-throughput analysis of vitamin C in human plasma with the use of HPLC with monolithic column and UV-detection
    Anette Karlsen
    Institute of Basic Medical Sciences, Department of Nutrition Research, University of Oslo, P O Box 1046, Blindern, N 0316 Oslo, Norway
    J Chromatogr B Analyt Technol Biomed Life Sci 824:132-8. 2005
  2. ncbi request reprint Methods for detecting and identifying retinoids in tissue
    Thomas E Gundersen
    Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, P O Box 1046, Blindern, N 0316 Oslo, Norway
    J Neurobiol 66:631-44. 2006
  3. ncbi request reprint Quantitative high-throughput determination of endogenous retinoids in human plasma using triple-stage liquid chromatography/tandem mass spectrometry
    Thomas E Gundersen
    Institute of Basic Medical Sciences, University of Oslo, P O Box 1046 Blindern, N 0316 Oslo, Norway
    Rapid Commun Mass Spectrom 21:1176-86. 2007
  4. ncbi request reprint Simultaneous and trace determination of reduced and oxidized glutathione in minute plasma samples using dual mode fluorescence detection and column switching high performance liquid chromatography
    Amrit K Sakhi
    Institute of Basic Medical Sciences, Department of Nutrition, University of Oslo, PO Box 1046 Blindern, N 0316 Oslo, Norway
    J Chromatogr A 1142:178-84. 2007
  5. doi request reprint Dried blood spot (DBS) sample collection for determination of the oxidative stress biomarker 8-epi-PGF(2α) in humans using liquid chromatography/tandem mass spectrometry
    Nasser E Bastani
    Institute of Basic Medical Sciences, University of Oslo, P O Box 1046 Blindern, N 0316, Oslo, Norway
    Rapid Commun Mass Spectrom 26:645-52. 2012
  6. ncbi request reprint Simultaneous quantification of reduced and oxidized glutathione in plasma using a two-dimensional chromatographic system with parallel porous graphitized carbon columns coupled with fluorescence and coulometric electrochemical detection
    Amrit K Sakhi
    Institute of Basic Medical Sciences, Department of Nutrition, University of Oslo, P O Box 1046 Blindern, N 0316 Oslo, Norway
    J Chromatogr A 1104:179-89. 2006
  7. doi request reprint Determination of 8-epi PGF(2alpha) concentrations as a biomarker of oxidative stress using triple-stage liquid chromatography/tandem mass spectrometry
    Nasser E Bastani
    Institute of Basic Medical Sciences, University of Oslo, P O Box 1046 Blindern, N 0316 Oslo, Norway
    Rapid Commun Mass Spectrom 23:2885-90. 2009
  8. ncbi request reprint Capillary high-performance liquid chromatographic determination of lutein and zeaxanthin in aqueous humor from a single mouse eye
    Anette Karlsen
    Institute for Nutrition Research, University of Oslo, N 0316 Oslo, Norway
    J Chromatogr B Analyt Technol Biomed Life Sci 795:17-23. 2003
  9. ncbi request reprint Mechanisms of action of the congenital diaphragmatic hernia-inducing teratogen nitrofen
    B Rhiannon Noble
    Department of Physiology, University of Alberta, Edmonton, Alberta, Canada T6G 2S2
    Am J Physiol Lung Cell Mol Physiol 293:L1079-87. 2007

Collaborators

  • Rune Blomhoff
  • Amrit K Sakhi
  • Nasser E Bastani
  • Anette Karlsen
  • B Rhiannon Noble
  • John J Greer
  • Randal P Babiuk
  • Hui Sun
  • Robin D Clugston
  • Riki Kawaguchi
  • T Michael Underhill
  • Paul G Walfish
  • George Alexander

Detail Information

Publications9

  1. ncbi request reprint High-throughput analysis of vitamin C in human plasma with the use of HPLC with monolithic column and UV-detection
    Anette Karlsen
    Institute of Basic Medical Sciences, Department of Nutrition Research, University of Oslo, P O Box 1046, Blindern, N 0316 Oslo, Norway
    J Chromatogr B Analyt Technol Biomed Life Sci 824:132-8. 2005
    ..The method was used for the assessment of ascorbic acid and total ascorbic acid during several clinical studies...
  2. ncbi request reprint Methods for detecting and identifying retinoids in tissue
    Thomas E Gundersen
    Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, P O Box 1046, Blindern, N 0316 Oslo, Norway
    J Neurobiol 66:631-44. 2006
    ..Detection is mainly performed with UV detectors although electrochemical and fluorescence detection is also used. Mass spectrometry in combination with LC is more often used in retinoid analysis and is likely to dominate in the future...
  3. ncbi request reprint Quantitative high-throughput determination of endogenous retinoids in human plasma using triple-stage liquid chromatography/tandem mass spectrometry
    Thomas E Gundersen
    Institute of Basic Medical Sciences, University of Oslo, P O Box 1046 Blindern, N 0316 Oslo, Norway
    Rapid Commun Mass Spectrom 21:1176-86. 2007
    ..1-0.2 ng/mL and the mass limit of detection (mLOD) was in the range 1-4 pg on column for the retinoic acids. The assay has been successfully applied to the analysis of 1700 plasma samples...
  4. ncbi request reprint Simultaneous and trace determination of reduced and oxidized glutathione in minute plasma samples using dual mode fluorescence detection and column switching high performance liquid chromatography
    Amrit K Sakhi
    Institute of Basic Medical Sciences, Department of Nutrition, University of Oslo, PO Box 1046 Blindern, N 0316 Oslo, Norway
    J Chromatogr A 1142:178-84. 2007
    ....
  5. doi request reprint Dried blood spot (DBS) sample collection for determination of the oxidative stress biomarker 8-epi-PGF(2α) in humans using liquid chromatography/tandem mass spectrometry
    Nasser E Bastani
    Institute of Basic Medical Sciences, University of Oslo, P O Box 1046 Blindern, N 0316, Oslo, Norway
    Rapid Commun Mass Spectrom 26:645-52. 2012
    ..In this study we have developed an analytical tool for finger-tip blood sampling and analysis of 8-epi-PGF(2α) from dried blood spots (DBS)...
  6. ncbi request reprint Simultaneous quantification of reduced and oxidized glutathione in plasma using a two-dimensional chromatographic system with parallel porous graphitized carbon columns coupled with fluorescence and coulometric electrochemical detection
    Amrit K Sakhi
    Institute of Basic Medical Sciences, Department of Nutrition, University of Oslo, P O Box 1046 Blindern, N 0316 Oslo, Norway
    J Chromatogr A 1104:179-89. 2006
    ..The method is fully validated and is currently used for determination of GSH, GSSG and its redox potential in different clinical studies...
  7. doi request reprint Determination of 8-epi PGF(2alpha) concentrations as a biomarker of oxidative stress using triple-stage liquid chromatography/tandem mass spectrometry
    Nasser E Bastani
    Institute of Basic Medical Sciences, University of Oslo, P O Box 1046 Blindern, N 0316 Oslo, Norway
    Rapid Commun Mass Spectrom 23:2885-90. 2009
    ..The mass limit of detection (mLOD) was 1 pg of analyte eluting from the column. The assay has been successfully applied to the analysis of human plasma, whole blood, erythrocytes and urine samples...
  8. ncbi request reprint Capillary high-performance liquid chromatographic determination of lutein and zeaxanthin in aqueous humor from a single mouse eye
    Anette Karlsen
    Institute for Nutrition Research, University of Oslo, N 0316 Oslo, Norway
    J Chromatogr B Analyt Technol Biomed Life Sci 795:17-23. 2003
    ..In this paper we present a rapid, sensitive and robust packed capillary high-performance liquid chromatographic visible detection method for the quantification of lutein and zeaxanthin in the aqueous humor of single mouse eyes...
  9. ncbi request reprint Mechanisms of action of the congenital diaphragmatic hernia-inducing teratogen nitrofen
    B Rhiannon Noble
    Department of Physiology, University of Alberta, Edmonton, Alberta, Canada T6G 2S2
    Am J Physiol Lung Cell Mol Physiol 293:L1079-87. 2007
    ..Retinoid signaling perturbations do not appear to involve oxidative effects of nitrofen. Any substantial roles of nitrofen-induced perturbations of thyroid hormone signaling or receptor function are not supported...