Microscale Analytical Systems

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  1. 2007
  2. 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 journal › Journal article › Research › peer-review

  3. 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 journal › Journal article › Research › peer-review

  4. 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 journal › Journal article › Research › peer-review

  5. 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 journal › Journal article › Research › peer-review

  6. 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 journal › Journal article › Research › peer-review

  7. Published

    Editorial

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

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. 2006
  9. 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 journal › Journal article › Research › peer-review

  10. 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 journal › Journal article › Research › peer-review

  11. 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 journal › Journal article › Research › peer-review

  12. 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 journal › Review › Research › peer-review

  13. 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 proceeding › Article in proceedings › Research › peer-review

  14. 2005
  15. 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 journal › Journal article › Research › peer-review

  16. 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 journal › Journal article › Research › peer-review

  17. 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 journal › Review › Research › peer-review

  18. 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 journal › Journal article › Research › peer-review

  19. 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 proceeding › Article in proceedings › Research › peer-review

  20. 2004
  21. 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 journal › Journal article › Research › peer-review

  22. 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 journal › Review › Research › peer-review

  23. 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 journal › Journal article › Research › peer-review

  24. 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 journal › Journal article › Research › peer-review

  25. 2003
  26. 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 journal › Journal article › Research › peer-review

  27. 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 journal › Journal article › Research › peer-review

  28. 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 journal › Journal article › Research › peer-review

  29. 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 journal › Journal article › Research › peer-review

  30. 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 journal › Review › Research › peer-review

  31. 2002
  32. 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 journal › Journal article › Research › peer-review

  33. 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 journal › Journal article › Research › peer-review

  34. 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 journal › Journal article › Research › peer-review

  35. 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 journal › Journal article › Research › peer-review

  36. 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 journal › Journal article › Research › peer-review

  37. 2001
  38. 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 journal › Journal article › Research › peer-review

  39. 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 journal › Journal article › Research › peer-review

  40. 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 journal › Journal article › Research › peer-review

  41. 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 journal › Journal article › Research › peer-review

  42. 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 journal › Journal article › Research › peer-review

  43. 2000
  44. 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 journal › Conference article › Communication

  45. 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 journal › Review › Research › peer-review

  46. 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 journal › Journal article › Research › peer-review

  47. 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 journal › Conference article › Research › peer-review

  48. 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 journal › Journal article › Research › peer-review

  49. 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 journal › Journal article › Research › peer-review

  50. 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 journal › Journal article › Research › peer-review

  51. 1999
  52. 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 journal › Journal article › Research › peer-review

  53. 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 journal › Journal article › Research › peer-review

  54. 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 journal › Journal article › Research › peer-review

  55. 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 journal › Journal article › Research › peer-review

  56. Published

    Simultaneous element-selective detection of halogented compounds

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

    Research output: Other contribution › Research

  57. 1998
  58. 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 journal › Journal article › Research › peer-review

  59. 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 journal › Journal article › Research › peer-review

  60. 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 journal › Journal article › Research › peer-review

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