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