Microscale Analytical Systems

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  1. 2007
  2. 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

  3. 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

  4. 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

  5. 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 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. 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

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

  10. 2006
  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 2005
  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. 2004
  23. 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

  24. 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

  25. 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

  26. 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

  27. 2003
  28. 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

  29. 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

  30. 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

  31. 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

  32. 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

  33. 2002
  34. 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

  35. 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

  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. 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

  38. 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

  39. 2001
  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

    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

  43. 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

  44. 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

  45. 2000
  46. 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

  47. 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

  48. 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

  49. 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

  50. 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

  51. 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

  52. 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

  53. 1999
  54. 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

  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. 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

  58. 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

  59. 1998
  60. Published

    Capillary gas chromatography coupled with microplasma mass spectrometry - Improved ion source design compatible with bench-top mass spectrometric instrumentation

    Brede, C., Lundanes, E., Greibrokk, T. & Pedersen-Bjergaard, Stig, 1 Jan 1998, In: HRC Journal of High Resolution Chromatography. 21, 5, p. 282-286 5 p.

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

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