Microscale Analytical Systems

  1. 2019
  2. Published

    Liquid-phase microextraction in 96-well plates – calibration and accurate quantification of pharmaceuticals in human plasma samples

    Ask, K. S., Lid, M., Øiestad, E. L., Pedersen-Bjergaard, Stig & Gjelstad, A., 2019, In: Journal of Chromatography A. 1602, p. 117-123

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    On-chip electromembrane extraction of acidic drugs

    Roman-Hidalgo, C., Santigosa-Murillo, E., Ramos-Payán, M., Petersen, Nickolaj J., Kutter, Jörg P. & Pedersen-Bjergaard, Stig, 2019, In: Electrophoresis. 40, 18-19, p. 2514-2521 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. 2018
  5. Published

    Nanoliter-Scale Electromembrane Extraction and Enrichment in a Microfluidic Chip

    Hansen, F. A., Sticker, Drago, Kutter, Jörg P., Petersen, Nickolaj J. & Pedersen-Bjergaard, Stig, 7 Aug 2018, In: Analytical Chemistry. 90, 15, p. 9322-9329

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    An all thiol-ene microchip for solid phase extraction featuring an in situ polymerized monolith and integrated 3D replica-molded emitter for direct electrospray mass spectrometry

    Jonsson, A., Lafleur, J. P., Sticker, Drago & Kutter, Jörg P., 28 Jun 2018, In: Analytical Methods. 10, 24, p. 2854-2862

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    UV-vis Imaging of Piroxicam Supersaturation, Precipitation, and Dissolution in a Flow-Through Setup

    Sun, Y., Chapman, A., Larsen, Susan Weng, Jensen, H., Petersen, Nickolaj J., Goodall, D. M. & Østergaard, Jesper, 5 Jun 2018, In: Analytical Chemistry. 90, 11, p. 6413-6418

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Sertraline Suppresses Testis and Adrenal Steroid Production and Steroidogenic Gene Expression While Increasing LH in Plasma of Male Rats Resulting in Compensatory Hypogonadism

    Munkboel, C. H., Larsen, L. W., Weisser, J. J., Kristensen, D. M. & Styrishave, Bjarne, Jun 2018, In: Toxicological Sciences. 163, 2, p. 609-619

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Electromembrane extraction of substances with weakly basic properties: A fundamental study with benzodiazepines

    Vårdal, L., Øiestad, E. L., Gjelstad, A. & Pedersen-Bjergaard, Stig, 1 May 2018, In: Bioanalysis. 10, 10, p. 769-781 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Occurrence and risk assessment of antibiotics in water and lettuce in Ghana

    Azanu, D., Styrishave, Bjarne, Darko, G., Weisser, J. J. & Abaidoo, R. C., 1 May 2018, In: Science of the Total Environment. 622-23, p. 293-305

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    On-a-chip tryptic digestion of transthyretin: A step toward an integrated microfluidic system for the follow-up of familial transthyretin amyloidosis

    Bataille, J., Viodé, A., Pereiro, I., Lafleur, J. P., Varenne, F., Descroix, S., Becher, F., Kutter, Jörg P., Roesch, C., Poüs, C., Taverna, M., Pallandre, A., Smadja, C. & Le Potier, I., 7 Mar 2018, In: Analyst. 143, 5, p. 1077-1086

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Using Potentiometric Free Drug Sensors to Determine the Free Concentration of Ionizable Drugs in Colloidal Systems

    Tran, T., Chakraborty, A., Xi, X., Bohets, H., Cornett, Claus, Tsinman, K., Rades, Thomas & Mullertz, Anette , Jan 2018, In: Journal of Pharmaceutical Sciences. 107, 1, p. 103-112

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    A multi-chamber microfluidic intestinal barrier model using Caco-2 cells for drug transport studies

    Tan, H., Trier, S., Rahbek, U. L., Dufva, M., Kutter, Jörg P. & Andresen, T. L., 2018, In: PLoS ONE. 13, 5, 23 p., e0197101.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Concomitant monitoring of implant formation and drug release of in situ forming poly (lactide-co-glycolide acid) implants in a hydrogel matrix mimicking the subcutis using UV–vis imaging

    Sun, Y., Jensen, H., Petersen, Nickolaj J., Larsen, Susan Weng & Østergaard, Jesper, 2018, In: Journal of Pharmaceutical and Biomedical Analysis. 150, p. 95-106

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Continuous electromembrane extraction coupled with mass spectrometry – Perspectives and challenges

    Fuchs, D., Hidalgo, C. R., Payán, M. D. R., Petersen, Nickolaj J., Jensen, H., Kutter, Jörg P. & Pedersen-Bjergaard, Stig, 2018, In: Analytica Chimica Acta. 999, p. 27-36

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Dried blood spots and parallel artificial liquid membrane extraction – A simple combination of microsampling and microextraction

    Ask, K. S., Øiestad, E. L., Pedersen-Bjergaard, Stig & Gjelstad, A., 2018, In: Analytica Chimica Acta. 1009, p. 56-64

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Electromembrane extraction of high level substances: A novel approach for selective recovery of templates in molecular imprinting

    Lin, B., Wan, L., Sun, X., Huang, C., Pedersen-Bjergaard, Stig & Shen, X., 2018, In: Journal of Membrane Science. 568, p. 30-39 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Fabrication of Biomolecule Microarrays Using Rapid Photochemical Surface Patterning in Thiol-Ene-Based Microfluidic Devices

    Jonsson, A. & Lafleur, J. P., 2018, Fabrication of Biomolecule Microarrays Using Rapid Photochemical Surface Patterning in Thiol–Ene-Based Microfluidic Devices. Vol. 1771. p. 171-182 (Methods in Molecular Biology).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  19. Published

    Investigation of alternative supported liquid membranes in electromembrane extraction of basic drugs from human plasma

    Huang, C., Shen, X., Gjelstad, A. & Pedersen-Bjergaard, Stig, 2018, In: Journal of Membrane Science. 548, p. 176-183

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Micro-droplet arrays for micro-compartmentalization using an air/water interface

    Kunding, A. H., Busk, L. L., Webb, H., Klafki, H. W., Otto, M., Kutter, Jörg P. & Dufva, M., 2018, In: Lab on a Chip. 18, 18, p. 2797-2805

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Parallel artificial liquid membrane extraction of psychoactive analytes: a novel approach in therapeutic drug monitoring

    Olsen, K. N., Ask, K. S., Pedersen-Bjergaard, Stig & Gjelstad, A., 2018, In: Bioanalysis. 10, p. 385-395

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Rapid determination of designer benzodiazepines, benzodiazepines, and Z-hypnotics in whole blood using parallel artificial liquid membrane extraction and UHPLC-MS/MS

    Vårdal, L., Wong, G., Øiestad, Å. M. L., Pedersen-Bjergaard, Stig, Gjelstad, A. & Øiestad, E. L., 2018, In: Analytical and Bioanalytical Chemistry. 410, 20, p. 4967-4978 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. 2017
  24. Published

    USING OXYGEN-CONSUMING THERMOSET PLASTICS TO GENERATE HYPOXIC CONDITIONS IN MICROFLUIDIC DEVICES FOR POTENTIAL CELL CULTURE APPLICATIONS

    Sticker, Drago, Rothbauer, M., Ehgartner, J., Steininger, C., Neuhaus, W., Mayr, T., Haraldsson, T., Kutter, Jörg P. & Ertl, P., Oct 2017. 2 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  25. Published

    An optimised method for routine separation and quantification of major alkaloids in Cortex Cinchona by HPLC coupled with UV and fluorescence detection.

    Holmfred, Else Skovgaard, Cornett, Claus, Maldonado, C., Rønsted, Nina & Hansen, S. H., Sep 2017, In: Phytochemical Analysis. 28, 5, p. 374-380 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. 2015
  27. Published

    Analysis of Small-Molecule Drugs in Biological Fluids

    Hansen, S. H. & Pedersen-Bjergaard, Stig, 23 May 2015, Bioanalysis of Pharmaceuticals: Sample Preparation, Chromatography and Mass Spectrometry. Wiley Online, p. 207-260 54 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  28. Published

    Gas Chromatography (GC)

    Pedersen-Bjergaard, Stig, 23 May 2015, Bioanalysis of Pharmaceuticals: Sample Preparation, Chromatography and Mass Spectrometry. Wiley Online, p. 173-206 34 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  29. Published

    In-line coupling of electro membrane extraction (eme) to ms and lc-ms

    Fuchs, D., Jensen, H., Pedersen-Bjergaard, Stig & Petersen, Nickolaj J., 1 Jan 2015, MicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences. Chemical and Biological Microsystems Society, p. 972-974 3 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsCommunication

  30. Published
  31. Published

    Introduction

    Pedersen-Bjergaard, Stig, 2015

    Research output: Book/ReportBookResearch

  32. Published

    Sample Preparation

    Pedersen-Bjergaard, Stig, Gjelstad, A. & Halvorsen, T. G., 2015

    Research output: Book/ReportBookResearch

  33. 2014
  34. Published

    Processing-induced salt formation of two oxicams in solid dosage forms affects dissolution behavior and chemical degradation

    Christensen, N. P. A., Nielsen, S., Rantanen, Jukka, Cornett, Claus & Bertelsen, P., 2014, In: Powder Technology.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. 2013
  36. Published

    A capillary-based microfluidic device incorporating optical fibers for flow induced dispersion analysis

    Zhuang, G., Poulsen, N. N., Petersen, Nickolaj J., Østergaard, Jesper & Jensen, H., 2 Sep 2013, 8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2013. p. 1054-1057 4 p. 6559903

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsCommunication

  37. 2012
  38. Published

    Hollow fiber liquid-phase microextraction

    Gjelstad, A., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, 31 Dec 2012, Comprehensive Sampling and Sample Preparation: Analytical Techniques for Scientists. Elsevier, p. 475-496 22 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  39. Published

    Sample preparation - A modern and complex field

    Pedersen-Bjergaard, Stig & Greibrokk, T., 1 Sep 2012, In: Journal of Separation Science. 35, 18

    Research output: Contribution to journalEditorialResearchpeer-review

  40. Published

    Hollow fiber liquid-phase microextraction

    Gjelstad, A., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, 2012

    Research output: Book/ReportBookResearchpeer-review

  41. 2011
  42. Published

    Hollow-fiber liquid-phase microextraction in the three-phase mode- practical considerations

    Gjelstad, A., Taherkhani, H., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, Dec 2011, In: LCGC North America. 29, 12, p. 1-8 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Hollow-fibre liquid-phase microextraction in the three-phase mode - practical considerations

    Gjelstad, A., Taherkhani, H., Rasmussen, K. E., Pedersen-Bjergaard, Stig & Majors, R. E., Dec 2011, In: LC GC Europe. 24, 12, p. 1-9 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    On-chip electro membrane extraction with online ultraviolet and mass spectrometric detection

    Petersen, Nickolaj J., Foss, S. T., Jensen, Henrik Elvang, Hansen, S. H., Skonberg, C., Snakenborg, D., Kutter, Jörg P. & Pedersen-Bjergaard, Stig, 1 Jan 2011, In: Analytical Chemistry. 83, 1, p. 44-51 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Liquid-Phase Microextraction (LPME) Utilizing Porous Hollow Fibers

    Pedersen-Bjergaard, Stig, Rasmussen, K. E. & Jönsson, J. A., 2011

    Research output: Book/ReportBookResearchpeer-review

  46. 2010
  47. Published

    <sup>1</sup> H NMR Spectroscopy-Based Interventional Metabolic Phenotyping: A Cohort Study of Rheumatoid Arthritis Patients

    Cornett, Claus, Hansen, S. H., Jaroszewski, J. W., Dorff, Mikkel Helleberg, Nicholson, J. K., Lindon, J. C., Keun, H., Bennett, R., Danneskiold-Samsøe, B., Christensen, R., Bliddal, Henning & Lauridsen, M. B., 2010, In: Journal of Proteome Research.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. 2009
  49. Published

    New sample preparation technologies

    Pedersen-Bjergaard, Stig & Rasmussen, K. E., 1 Feb 2009, In: Analytical and Bioanalytical Chemistry. 393, 3, 1 p.

    Research output: Contribution to journalEditorialResearchpeer-review

  50. 2008
  51. Published

    Electrical potential can drive liquid-liquid extraction for sample preparation in chromatography

    Pedersen-Bjergaard, Stig & Rasmussen, K. E., Nov 2008, In: TrAC - Trends in Analytical Chemistry. 27, 10, p. 934-941 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  52. Published

    Environmental and bioanalytical applications of hollow fiber membrane liquid-phase microextraction: A review

    Lee, J., Lee, H. K., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, 29 Aug 2008, In: Analytica Chimica Acta. 624, 2, p. 253-268 16 p.

    Research output: Contribution to journalReviewResearchpeer-review

  53. Published

    Selective three-phase liquid phase microextraction of acidic compounds from foodstuff simulants

    Rodríguez, A., Pedersen-Bjergaard, Stig, Rasmussen, K. E. & Nerín, C., 11 Jul 2008, In: Journal of Chromatography A. 1198-1199, 1-2, p. 38-44 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    Occurrence of selective serotonin reuptake inhibitors in sewage and receiving waters at Spitsbergen and in Norway

    Vasskog, T., Anderssen, T., Pedersen-Bjergaard, Stig, Kallenborn, R. & Jensen, E., 28 Mar 2008, In: Journal of Chromatography A. 1185, 2, p. 194-205 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Published

    Liquid-phase microextraction with porous hollow fibers, a miniaturized and highly flexible format for liquid-liquid extraction

    Pedersen-Bjergaard, Stig & Rasmussen, K. E., 14 Mar 2008, In: Journal of Chromatography A. 1184, 1-2, p. 132-142 11 p.

    Research output: Contribution to journalReviewResearchpeer-review

  56. Published

    Parameters affecting electro membrane extraction of basic drugs

    Middelthon-Bruer, T. M., Gjelstad, A., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, 1 Mar 2008, In: Journal of Separation Science. 31, 4, p. 753-759 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  57. Published

    Low-voltage electromembrane extraction of basic drugs from biological samples

    Kjelsen, I. J. Ø., Gjelstad, A., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, 8 Feb 2008, In: Journal of Chromatography A. 1180, 1-2, p. 1-9 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  58. Published

    Electromembrane extraction of peptides

    Balchen, M., Reubsaet, L. & Pedersen-Bjergaard, Stig, 2008, In: Journal of Chromatography A.

    Research output: Contribution to journalJournal articleResearchpeer-review

  59. 2007
  60. Published

    Simulation of flux during electro-membrane extraction based on the Nernst-Planck equation

    Gjelstad, A., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, 7 Dec 2007, In: Journal of Chromatography A. 1174, 1-2, p. 104-111 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  61. Published

    Recent progress in sample extraction. A report on the ExTech 2007 Symposium at Ålesund, Norway, 3-6 June 2007

    Pedersen-Bjergaard, Stig, Rasmussen, K. E. & Mills, G. A., 1 Oct 2007, In: TrAC - Trends in Analytical Chemistry. 26, 9, p. 843-846 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  62. Published

    Microextraction across supported liquid membranes forced by pH gradients and electrical fields

    Gjelstad, A., Andersen, T. M., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, 20 Jul 2007, In: Journal of Chromatography A. 1157, 1-2, p. 38-45 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  63. Published

    Electrokinetic migration of acidic drugs across a supported liquid membrane

    Balchen, M., Gjelstad, A., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, 8 Jun 2007, In: Journal of Chromatography A. 1152, 1-2, p. 220-225 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  64. Published

    Extraction across supported liquid membranes by use of electrical fields

    Pedersen-Bjergaard, Stig & Rasmussen, K. E., 1 Jun 2007, In: Analytical and Bioanalytical Chemistry. 388, 3, p. 521-523 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  65. Published

    Supported liquid membranes in hollow fiber liquid-phase microextraction (LPME - Practical considerations in the three-phase mode

    Bårdstu, K. F., Ho, T. S., Rasmussen, K. E., Pedersen-Bjergaard, Stig & Jönsson, J. Å., 1 Jun 2007, In: Journal of Separation Science. 30, 9, p. 1364-1370 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  66. Published

    25,000-fold pre-concentration in a single step with liquid-phase microextraction

    Ho, T. S., Vasskog, T., Anderssen, T., Jensen, E., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, 29 May 2007, In: Analytica Chimica Acta. 592, 1, p. 1-8 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  67. Published

    Editorial

    Pedersen-Bjergaard, Stig, 2007, In: Journal of Chromatography A.

    Research output: Contribution to journalJournal articleResearchpeer-review

  68. 2006
  69. Published

    Electrokinetic migration across artificial liquid membranes. Tuning the membrane chemistry to different types of drug substances

    Gjelstad, A., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, 18 Aug 2006, In: Journal of Chromatography A. 1124, 1-2, p. 29-34 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  70. Published

    Experiences with carrier-mediated transport in liquid-phase microextraction

    Tung, S. H., Pedersen-Bjergaard, Stig & Rasmussen, K. E., 8 Aug 2006, In: Journal of Chromatographic Science. 44, 6, p. 308-316 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  71. Published

    Electrokinetic migration across artificial liquid membranes: New concept for rapid sample preparation of biological fluids

    Pedersen-Bjergaard, Stig & Rasmussen, K. E., 24 Mar 2006, In: Journal of Chromatography A. 1109, 2, p. 183-190 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  72. Published

    Analytical Microextraction: Current Status and Future Trends

    Pawliszyn, J. & Pedersen-Bjergaard, Stig, 1 Jan 2006, In: Journal of Chromatographic Science. 44, 6, p. 291-307 17 p.

    Research output: Contribution to journalReviewResearchpeer-review

  73. Published

    The important role of taurine in oxidative metabolism

    Hansen, S. H., Andersen, Mogens Larsen, Birkedal, H., Cornett, Claus & Wibrand, F., 2006, Taurine 6. Springer New York, p. 129-135 7 p. (Advances in Experimental Medicine and Biology, Vol. 583).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  74. 2005
  75. Published

    Liquid-phase microextraction of basic drugs - Selection of extraction mode based on computer calculated solubility data

    Pedersen-Bjergaard, Stig, Rasmussen, K. E., Brekke, A., Ho, T. S. & Halvorsen, T. G., 1 Jul 2005, In: Journal of Separation Science. 28, 11, p. 1195-1203 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  76. Published

    Liquid-phase microextraction based on carrier mediated transport combined with liquid chromatography-mass spectrometry: New concept for the determination of polar drugs in a single drop of human plasma

    Ho, T. S., Reubsaet, J. L. E., Anthonsen, H. S., Pedersen-Bjergaard, Stig & Rasmussen, K. E., 22 Apr 2005, In: Journal of Chromatography A. 1072, 1, p. 29-36 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  77. Published

    Bioanalysis of drugs by liquid-phase microextraction coupled to separation techniques

    Pedersen-Bjergaard, Stig & Rasmussen, K. E., 5 Mar 2005, In: Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences. 817, 1, p. 3-12 10 p.

    Research output: Contribution to journalReviewResearchpeer-review

  78. Published

    Psychoactive drugs, alcohol, and severe hypoglycemia in insulin-treated diabetes: Analysis of 141 cases

    Pedersen-Bjergaard, Ulrik, Reubsaet, J. L. E., Nielsen, S. L., Pedersen-Bjergaard, Stig, Perrild, Hans, Pramming, S. & Thorsteinsson, B., Mar 2005, In: American Journal of Medicine. 118, 3, p. 307-310 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  79. Published

    Concentration and separation of ionic analytes using nano-microchannel junctions

    Petersen, Nickolaj J. & Ramsey, J. M., 2005, Micro Total Analysis Systems - Proceedings of MicroTAS 2005 Conference: 9th International Conference on Miniaturized Systems for Chemistry and Life Sciences. Transducer Research Foundation, p. 1252-1254 3 p. (Micro Total Analysis Systems - Proceedings of MicroTAS 2005 Conference: 9th International Conference on Miniaturized Systems for Chemistry and Life Sciences, Vol. 1).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  80. 2004
  81. Published

    Liquid-phase microextraction utilising plant oils as intermediate extraction medium - Towards elimination of synthetic organic solvents in sample preparation

    Pedersen-Bjergaard, Stig & Rasmussen, K. E., 1 Dec 2004, In: Journal of Separation Science. 27, 17-18, p. 1511-1516 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  82. Published

    State-of-the art of selective detection and identification of I-, Br-, Cl-, and F-containing compounds in gas chromatography and liquid chromatography

    Brede, C. & Pedersen-Bjergaard, Stig, 24 Sep 2004, In: Journal of Chromatography A. 1050, 1, p. 45-62 18 p.

    Research output: Contribution to journalReviewResearchpeer-review

  83. Published

    Screening for central nervous system-stimulating drugs in human plasma by liquid chromatography with mass spectrometric detection

    Egge Reubsaet, J. L. & Pedersen-Bjergaard, Stig, 26 Mar 2004, In: Journal of Chromatography A. 1031, 1-2, p. 203-211 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  84. Published

    Developments in hollow fibre-based, liquid-phase microextraction

    Rasmussen, K. E. & Pedersen-Bjergaard, Stig, Jan 2004, In: TrAC - Trends in Analytical Chemistry. 23, 1, p. 1-10 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  85. 2003
  86. Published

    Liquid-phase microextraction combined with liquid chromatography-mass spectrometry. Extraction from small volumes of biological samples

    Halvorsen, T. G., Pedersen-Bjergaard, Stig, Reubsaet, J. L. & Rasmussen, K. E., 1 Nov 2003, In: Journal of Separation Science. 26, 17, p. 1520-1526 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  87. Published

    Stereospecific determination of citalopram and desmethylcitalopram by capillary electrophoresis and liquid-phase microextraction

    Andersen, S., Halvorsen, T. G., Pedersen-Bjergaard, Stig, Rasmussen, K. E., Tanum, L. & Refsum, H., 19 Sep 2003, In: Journal of Pharmaceutical and Biomedical Analysis. 33, 2, p. 263-273 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  88. Published

    Liquid-phase microextraction of drugs from human breast milk

    Bjørhovde, A., Halvorsen, T. G., Rasmussen, K. E. & Pedersen-Bjergaard, Stig, 8 Sep 2003, In: Analytica Chimica Acta. 491, 2, p. 155-161 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  89. Published

    Liquid-phase microextraction of hydrophilic drugs by carrier-mediated transport

    Ho, T. S., Halvorsen, T. G., Pedersen-Bjergaard, Stig & Rasmussen, K. E., 23 May 2003, In: Journal of Chromatography A. 998, 1-2, p. 61-72 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  90. Published

    Feasiblity of a liquid-phase microextraction sample clean-up and liquid chromatographic/mass spectrometric screening method for selected anabolic steroid glucuronides in biological samples

    Kuuranne, T., Kotiaho, T., Pedersen-Bjergaard, Stig, Rasmussen, K. E., Leinonen, A., Westwood, S. & Kostiainen, R., 1 Jan 2003, In: Journal of Mass Spectrometry. 38, 1, p. 16-26 11 p.

    Research output: Contribution to journalReviewResearchpeer-review

  91. 2002
  92. Published

    Solid-phase microextraction coupled with atomic emission spectroscopy - Rapid screening for volatile chlorinated compounds

    Semb, S. I., Pedersen-Bjergaard, Stig & Brevik, E. M., 1 Dec 2002, In: Chemosphere. 49, 10, p. 1349-1355 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  93. Published

    Liquid-phase microextraction combined with capillary electrophoresis, a promising tool for the determination of chiral drugs in biological matrices

    Andersen, S., Halvorsen, T. G., Pedersen-Bjergaard, Stig & Rasmussen, K. E., 19 Jul 2002, In: Journal of Chromatography A. 963, 1-2, p. 303-312 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  94. Published

    Recovery, enrichment and selectivity in liquid-phase microextraction: Comparison with conventional liquid-liquid extraction

    Ho, T. S., Pedersen-Bjergaard, Stig & Rasmussen, K. E., 19 Jul 2002, In: Journal of Chromatography A. 963, 1-2, p. 3-17 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  95. Published

    Liquid-phase microextraction of protein-bound drugs under non-equilibrium conditions

    Tung, S. H., Pedersen-Bjergaard, Stig & Rasmussen, K. E., 30 May 2002, In: Analyst. 127, 5, p. 608-613 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  96. Published

    Fundamental studies on selectivity in 3-phase liquid-phase microextraction (LPME) of basic drugs

    Pedersen-Bjergaard, Stig, Ho, T. S. & Rasmussen, K. E., 27 Mar 2002, In: Journal of Separation Science. 25, 3, p. 141-146 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  97. 2001
  98. Published

    Comparison of microemulsion electrokinetic chromatography and solvent-modified micellar electrokinetic chromatography

    Hansen, S. H., Gabel-Jensen, C. & Pedersen-Bjergaard, Stig, 22 Oct 2001, In: Journal of Separation Science. 24, 8, p. 643-650 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  99. Published

    Liquid-phase microextraction combined with flow-injection tandem mass spectrometry: Rapid screening of amphetamines from biological matrices

    Halvorsen, T. G., Pedersen-Bjergaard, Stig, Reubsaet, J. L. E. & Rasmussen, K. E., 27 Sep 2001, In: Journal of Separation Science. 24, 7, p. 615-622 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  100. Published

    Reduction of extraction times in liquid-phase microextraction

    Grønhaug Halvorsen, T., Pedersen-Bjergaard, Stig & Rasmussen, K. E., 5 Sep 2001, In: Journal of Chromatography B: Biomedical Sciences and Applications. 760, 2, p. 219-226 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  101. Published

    Liquid-phase microextraction and capillary electrophoresis of citalopram, an antidepressant drug

    Halvorsen, T. G., Pedersen-Bjergaard, Stig & Rasmussen, K. E., 9 Feb 2001, In: Journal of Chromatography A. 909, 1, p. 87-93 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  102. Published

    Microemulsion electrokinetic chromatography - Or solvent-modified micellar electrokinetic chromatography?

    Hansen, S. H., Gabel-Jensen, C., El-Sherbiny, D. T. M. & Pedersen-Bjergaard, Stig, 1 Jan 2001, In: TrAC - Trends in Analytical Chemistry. 20, 11, p. 614-619 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  103. 2000
  104. Published

    Integration of waveguides for optical detection in microfabricated analytical devices

    Kutter, Jörg P., Mogensen, K. B., Friis, P., Jorgensen, A. M., Petersen, Nickolaj J., Telleman, P. & Hubner, J., 1 Dec 2000, In: Proceedings of SPIE - The International Society for Optical Engineering. 4177, p. 98-105 8 p.

    Research output: Contribution to journalConference articleCommunication

  105. Published

    Liquid-liquid extraction procedures for sample enrichment in capillary zone electrophoresis

    Pedersen-Bjergaard, Stig, Rasmussen, K. E. & Grønhaug Halvorsen, T., 24 Nov 2000, In: Journal of Chromatography A. 902, 1, p. 91-105 15 p.

    Research output: Contribution to journalReviewResearchpeer-review

  106. Published

    Microemulsion electrokinetic chromatography in suppressed electroosmotic flow environment. Separation of fat-soluble vitamins

    Pedersen-Bjergaard, Stig, Næss, Ø., Moestue, S. & Rasmussen, K. E., 21 Apr 2000, In: Journal of Chromatography A. 876, 1-2, p. 201-211 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  107. Published

    Development of a simple in-vial liquid-phase microextraction device for drug analysis compatible with capillary gas chromatography, capillary electrophoresis and high-performance liquid chromatography

    Rasmussen, K. E., Pedersen-Bjergaard, Stig, Krogh, M., Grefslie Ugland, H. & Grønhaug, T., 17 Mar 2000, In: Journal of Chromatography A. 873, 1, p. 3-11 9 p.

    Research output: Contribution to journalConference articleResearchpeer-review

  108. Published

    Liquid-phase microextraction and capillary electrophoresis of acidic drugs

    Pedersen-Bjergaard, Stig & Rasmussen, K. E., 8 Mar 2000, In: Electrophoresis. 21, 3, p. 579-585 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  109. Published

    Analysis of pharmaceuticals by microemulsion electrokinetic chromatography in a suppressed electroosmotic flow environment

    Pedersen-Bjergaard, Stig & Grønhaug Halvorsen, T., 1 Jan 2000, In: Chromatographia. 52, 9-10, p. 593-598 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  110. Published

    Capillary gas chromatography coupled with negative ionization microplasma mass spectrometry for halogen-selective detection

    Brede, C., Pedersen-Bjergaard, Stig, Lundanes, E. & Greibrokk, T., 1 Jan 2000, In: Journal of Analytical Atomic Spectrometry. 15, 1, p. 55-60 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  111. 1999
  112. Published

    Solid-phase microextraction/capillary gas chromatography for the profiling of confiscated ecstacy and amphetamine

    Kongshaug, K. E., Pedersen-Bjergaard, Stig, Rasmussen, K. E. & Krogh, M., 1 Sep 1999, In: Chromatographia. 50, 3-4, p. 247-252 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  113. Published

    Capillary gas chromatography coupled with microplasma mass spectrometry for organotin speciation

    Brede, C., Pedersen-Bjergaard, Stig, Lundanes, E. & Greibrokk, T., 23 Jul 1999, In: Journal of Chromatography A. 849, 2, p. 553-562 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  114. Published

    Liquid-liquid-liquid microextraction for sample preparation of biological fluids prior to capillary electrophoresis

    Pedersen-Bjergaard, Stig & Rasmussen, K. E., 15 Jul 1999, In: Analytical Chemistry. 71, 14, p. 2650-2656 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  115. Published

    Drug monitoring in human plasma by capillary gas chromatography coupled with atomic emission detection. Potential and limitations

    Bråthen, V., Lundanes, E. & Pedersen-Bjergaard, Stig, 1 Jan 1999, In: HRC Journal of High Resolution Chromatography. 22, 2, p. 123-125 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  116. Published

    Simultaneous element-selective detection of halogented compounds

    Greibrokk, T., Brede, C., Pedersen-Bjergaard, Stig & Lundanes, E., 1999

    Research output: Other contributionResearch

  117. 1998
  118. Published

    Capillary electrophoresis of psilocybin in hallucinogenic mushrooms

    Pedersen-Bjergaard, Stig & Rasmussen, K. E., 1 Dec 1998, In: Journal de Pharmacie de Belgique. 53, 3, 1 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  119. Published

    Strategiesfor electrokinetic chromatography of fat-soluble vitamins

    Pedersen-Bjergaard, Stig & Rasmussen, K. E., 1 Dec 1998, In: Journal de Pharmacie de Belgique. 53, 3, 1 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  120. Published

    Analysis of vitamin formulations by electrokinetic chromatography utilizing tetradecylammonium ions as the pseudostationary phase

    Næss, Ø., Tilander, T., Pedersen-Bjergaard, Stig & Rasmussen, K. E., 1 Nov 1998, In: Electrophoresis. 19, 16-17, p. 2912-2917 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  121. Published

    Separation of fat-soluble vitamins by hydrophobic interaction electrokinetic chromatography with tetradecylammonium ions as pseudostationary phase

    Pedersen-Bjergaard, Stig, Einar Rasmussen, K. & Tilander, T., 22 May 1998, In: Journal of Chromatography A. 807, 2, p. 285-295 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review