Microscale Analytical Systems

  1. Published

    Exploiting agarose gel modified with glucose-fructose syrup as a green sorbent in rotating-disk sorptive extraction technique for the determination of trace malondialdehyde in biological and food samples

    Fashi, A., Cheraghi, M., Ebadipur, H., Ebadipur, H., Zamani, A., Badiee, H. & Pedersen-Bjergaard, Stig, 2020, In: Talanta. 217, 9 p., 121001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. 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

  3. Published

    Extraction performance of electromembrane extraction and liquid-phase microextraction in prototype equipment

    Schüller, M., Hansen, F. A. & Pedersen-Bjergaard, Stig, 2023, In: Journal of Chromatography A. 1710, 9 p., 464440.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. 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

  5. Published

    Factors affecting C:H and C:N ratios determined by gas chromatography coupled with atomic emission detection

    Pedersen-Bjergaard, Stig, Asp, T. N. & Greibrokk, T., Feb 1992, In: Journal of High Resolution Chromatography. 15, 2, p. 89-93 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. 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

  7. 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

  8. 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

  9. Published

    Gel electro-membrane extraction: An overview on recent strategies for extraction efficiency enhancement

    Tabani, H., Dorabadizare, F. & Pedersen-Bjergaard, Stig, 2023, In: TrAC - Trends in Analytical Chemistry. 160, 116990.

    Research output: Contribution to journalReviewResearchpeer-review

  10. Published

    Generation of transient and tunable oxygen gradients in microfluidic channels utilizing the oxygen scavenging properties of thiol-ene polymers

    Yuan, Z., Sticker, Drago, Helms, H. C. C. & Kutter, Jörg P., 2022, In: Microfluidics and Nanofluidics. 26, 6, 10 p., 42.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Generic Liquid Membranes for Electromembrane Extraction of Bases with Low or Moderate Hydrophilicity

    Zhou, C., Dowlatshah, S., Hay, A. O., Schüller, M., Pedersen-Bjergaard, Stig & Hansen, F. A., 2023, In: Analytical Chemistry. 95, 23, p. 8982-8989

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Generic conditions for electromembrane extraction of polar bases

    Zhou, C., Dowlatshah, S., Hansen, F. A. & Pedersen-Bjergaard, Stig, 2024, In: Talanta. 267, 9 p., 125215.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Green and sustainable drug analysis: Combining microsampling and microextraction of drugs of abuse

    Mestad, I. O., Gjelstad, A., Pedersen-Bjergaard, Stig & Øiestad, E. L., 2021, In: Sustainable Chemistry and Pharmacy. 24, 9 p., 100517.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    High-throughput quantification of emerging "nitazene" benzimidazole opioid analogs by microextraction and UHPLC-MS-MS

    Schüller, M., Lucic, I., Øiestad, Å. M. L., Pedersen-Bjergaard, Stig & Øiestad, E. L., 2023, In: Journal of Analytical Toxicology. 47, 9, p. 787-796

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Historical chemical annotations of Cinchona bark collections are comparable to results from current day High-Pressure Liquid Chromatography technologies

    Canales, Nataly Olivia Allasi, Gress Hansen, T. N., Cornett, Claus, Walker, K., Driver, F., Antonelli, A., Maldonado, C., Nesbitt, M., Barnes, Christopher James & Rønsted, Nina, 2020, In: Journal of Ethnopharmacology. 249, 14 p., 112375.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Hollow fiber liquid-phase microextraction

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

    Research output: Book/ReportBookResearchpeer-review

  17. 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

  18. Published

    Hollow fiber-based liquid phase microextraction followed by analytical instrumental techniques for quantitative analysis of heavy metal ions and pharmaceuticals

    Khan, W. A., Arain, M. B., Yamini, Y., Shah, N., Kazi, T. G., Pedersen-Bjergaard, Stig & Tajik, M., 2020, In: Journal of Pharmaceutical Analysis. 10, 2, p. 109-122 14 p.

    Research output: Contribution to journalReviewResearchpeer-review

  19. 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

  20. 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

  21. Published

    Hydrogen/Deuterium Exchange Mass Spectrometry with Integrated Electrochemical Reduction and Microchip-Enabled Deglycosylation for Epitope Mapping of Heavily Glycosylated and Disulfide-Bonded Proteins

    Comamala, G., Krogh, C. C., Nielsen, V. S., Kutter, Jörg P., Voglmeir, J. & Rand, Kasper Dyrberg, 2021, In: Analytical Chemistry. 93, 49, p. 16330–16340

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Identification of chlorinated sulfur compounds in pulp mill effluents by GC-MS and GC-AED

    Pedersen-Bjergaard, Stig, Asp, T. N., Vedde, J., Carlberg, G. E. & Greibrokk, T., 1 Feb 1993, In: Chromatographia. 35, 3-4, p. 193-198 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Impact of ion balance in electromembrane extraction

    Hansen, F., Jaghl, F., Leere Øiestad, E., Jensen, H., Pedersen-Bjergaard, Stig & Huang, C., 8 Aug 2020, In: Analytica Chimica Acta. 1124, p. 129-136 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Improved antibacterial efficiency of inhaled thiamphenicol dry powders: Mathematical modelling of in vitro dissolution kinetic and in vitro antibacterial efficacy

    Wang, J., Grégoire, N., Marchand, S., Kutter, Jörg P., Mu, Huiling, Moodley, Arshnee, Couet, W. & Yang, Mingshi, 2020, In: European Journal of Pharmaceutical Sciences. 152, 105435.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    In Vitro and In Vivo Evaluation of Pellotine: A Hypnotic Lophophora Alkaloid

    Poulie, C. B. M., Chan, C. B., Parka, A., Lettorp, M., Vos, J., Raaschou, A., Pottie, E., Bundgaard, M. S., Sørensen, L. M. E., Cecchi, C. R., Märcher-Rørsted, E., Bach, A., Herth, M. M., Decker, A., Jensen, A. A., Elfving, B., Kretschmann, A. C., Stove, C. P., Kohlmeier, K. A., Cornett, C. & 3 others, Janfelt, Christian, Kornum, Birgitte Rahbek & Kristensen, Jesper Langgaard, 2023, In: ACS Pharmacology & Translational Science. 6, 10, p. 1492-1507

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. 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

  27. Published

    Influence of acid-base dissociation equilibria during electromembrane extraction

    Restan, M. S., Ramsrud, S. B., Jensen, H. & Pedersen-Bjergaard, Stig, 2020, In: Journal of Separation Science. 43, 15, p. 3120-3128

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. 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

  29. Published

    Introduction

    Pedersen-Bjergaard, Stig, 2015

    Research output: Book/ReportBookResearch

  30. Published

    Introduction to Pharmaceutical Analytical Chemistry

    Pedersen-Bjergaard, Stig, Gammelgaard, Bente & Grønhaug Halvorsen, T., 2019, 2 ed. Wiley. 544 p.

    Research output: Book/ReportBookEducationpeer-review

  31. 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

  32. Published

    Isolation and elucidation of antibacterial compounds from roots and stems of Synadenium glaucescens Pax

    Rwegoshora, F., Msengwa, Z., Mabiki, F., Machumi, F., Chacha, M., Styrishave, Bjarne & Cornett, Claus, 2023, In: East African Journal of Science, Technology and Innovation. 4, 2, 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Isolation and toxicity evaluation of feruloyl ester and other triterpenoids from Synadenium glaucescens Pax

    Rwegoshora, F., Mabiki, F., Machumi, F., Chacha, M., Styrishave, Bjarne & Cornett, Claus, 2022, In: The Journal of Phytopharmacology. 11, 5, p. 347-352

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Liquid-Phase Microextraction (LPME) Utilizing Porous Hollow Fibers

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

    Research output: Book/ReportBookResearchpeer-review

  35. Published

    Liquid-Phase Microextraction or Electromembrane Extraction?

    Wan, L., Lin, B., Zhu, R., Huang, C., Pedersen-Bjergaard, Stig & Shen, X., 2 Jul 2019, In: Analytical Chemistry. 91, 13, p. 8267-8273 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. 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

  37. 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

  38. 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

  39. 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

  40. 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

  41. 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

  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 journalJournal articleResearchpeer-review

  43. 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

  44. 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

  45. Published

    Liquid-phase microextraction in bioanalysis: How green can it be?

    Hay, A. O., Hansen, F. A., Psillakis, E. & Pedersen-Bjergaard, Stig, 2022, In: Green Analytical Chemistry. 3, 100028.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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