Nickolaj J. Petersen

Nickolaj J. Petersen

Associate Professor


  1. 2022
  2. Published

    Electromembrane extraction in microfluidic formats

    Hansen, F. A., Petersen, Nickolaj J., Kutter, Jörg P. & Pedersen-Bjergaard, Stig, 2022, In: Journal of Separation Science. 45, 1, p. 246-257

    Research output: Contribution to journalReviewResearchpeer-review

  3. 2021
  4. Published

    Non-aqueous electrophoresis integrated with electrospray ionization mass spectrometry on a thiol-ene polymer-based microchip device

    Lu, N., Petersen, Nickolaj J., Kretschmann, A. C. & Kutter, Jörg P., 2021, In: Analytical and Bioanalytical Chemistry. 413, p. 4195–4205

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. 2020
  6. Published

    A thiol-ene microfluidic device enabling continuous enzymatic digestion and electrophoretic separation as front-end to mass spectrometric peptide analysis

    Lu, N., Sticker, Drago, Kretschmann, A., Petersen, Nickolaj J. & Kutter, Jörg P., Jun 2020, In: Analytical and Bioanalytical Chemistry. 412, 15, p. 3559-3571 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Development of a novel sheathless CE-ESI-MS interface via a CO2 laser ablated opening

    Vermeire, P., Van Schepdael, A. & Petersen, Nickolaj J., 1 Jul 2020, In: Talanta. 214, 8 p., 120853.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. 2019
  9. 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

  10. 2018
  11. 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

  12. 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

  13. 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

  14. 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

  15. 2017
  16. Published

    Direct coupling of electromembrane extraction to mass spectrometry: Advancing the probe functionality toward measurements of zwitterionic drug metabolites

    Kige Rye, T., Fuchs, D., Pedersen-Bjergaard, Stig & Petersen, Nickolaj J., 2017, In: Analytica Chimica Acta. 983, p. 121-129 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Automated coating procedures to produce poly(ethylene glycol) brushes in fused-silica capillaries

    Poulsen, N. N., Østergaard, Jesper, Petersen, Nickolaj J., Daasbjerg, K., Iruthayaraj, J., Dedinaite, A., Makuska, R. & Jensen, H., Feb 2017, In: Journal of Separation Science. 40, 3, p. 779–788

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Phase separation of in situ forming poly (lactide-co-glycolide acid) implants investigated using a hydrogel-based subcutaneous tissue surrogate and UV-vis imaging

    Sun, Y., Jensen, H., Petersen, Nickolaj J., Larsen, Susan Weng & Østergaard, Jesper, 25 Oct 2017, In: Journal of Pharmaceutical and Biomedical Analysis. 145, p. 682-691 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. 2016
  20. Published

    Direct coupling of a flow-flow electromembrane extraction probe to LC-MS

    Fuchs, D., Gabel-Jensen, C., Jensen, H., Rand, Kasper Dyrberg, Pedersen-Bjergaard, Stig, Hansen, S. H. & Petersen, Nickolaj J., 2016, In: Analytica Chimica Acta. 905, p. 93-99 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Fully Automated Electro Membrane Extraction Autosampler for LC-MS Systems Allowing Soft Extractions for High-Throughput Applications.

    Fuchs, D., Pedersen-Bjergaard, Stig, Jensen, H., Rand, Kasper Dyrberg, Hansen, S. H. & Petersen, Nickolaj J., 29 May 2016, In: Analytical Chemistry. 88, 13, p. 6797−6804 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Non-aqueous CE-MS of cinchona alkaloids - characterizationof a novel CE-ESI-MS interface

    Hansen, F. A., Hansen, S. H. & Petersen, Nickolaj J., 9 Jun 2016. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  23. Published

    A novel sensitive sheathless CE-MS device for peptide and protein analysis

    Nguyen, T. T. T. N., Petersen, Nickolaj J. & Rand, Kasper Dyrberg, 8 Jun 2016. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  24. Published

    A simple sheathless CE-MS interface with a sub-micrometer electrical contact fracture for sensitive analysis of peptide and protein samples

    Nguyen, T. T. T. N., Petersen, Nickolaj J. & Rand, Kasper Dyrberg, 2016, In: Analytica Chimica Acta. 936, p. 157–167 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Flow-Induced Dispersion Analysis for Probing Anti-dsDNA Antibody Binding Heterogeneity in Systemic Lupus Erythematosus Patients: Toward a New Approach for Diagnosis and Patient Stratification

    Poulsen, N. N., Pedersen, M. E., Østergaard, Jesper, Petersen, Nickolaj J., Nielsen, C. T., Heegaard, N. H. H. & Jensen, H., 2016, In: Analytical Chemistry. 88, 18, p. 9056-61 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. 2015
  27. 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

  28. Published

    Real Time Extraction Kinetics of Electro Membrane Extraction Verified by Comparing Drug Metabolism Profiles Obtained from a Flow-Flow Electro Membrane Extraction-Mass Spectrometry System with LC-MS

    Fuchs, D., Jensen, H., Pedersen-Bjergaard, Stig, Gabel-Jensen, C., Hansen, S. H. & Petersen, Nickolaj J., 2 Jun 2015, In: Analytical Chemistry. 87, 11, p. 5774-81 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published
  30. Published

    On-chip electromembrane extraction for monitoring drug metabolism in real time by electrospray ionization mass spectrometry

    Petersen, Nickolaj J., Jensen, H. & Pedersen-Bjergaard, Stig, 2015, Microchip Capillary Electrophoresis Protocols. Van Schepdael, A. (ed.). Humana Press, Vol. 1274. p. 171-82 12 p. (Methods in molecular biology (Clifton, N.J.)).

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

  31. Published

    Flow induced dispersion analysis rapidly quantifies proteins in human plasma samples

    Poulsen, N. N., Andersen, N. Z., Østergaard, Jesper, Zhuang, G., Petersen, Nickolaj J. & Jensen, H., 7 Jul 2015, In: The Analyst. 140, 13, p. 4365-69 5 p.

    Research output: Contribution to journalLetterResearchpeer-review

  32. 2014
  33. Published

    Development and characterization of a small electromembrane extraction probe coupled with mass spectrometry for real-time and online monitoring of in vitro drug metabolism

    Dugstad, H. B., Petersen, Nickolaj J., Jensen, H., Gabel-Jensen, C., Hansen, S. H. & Pedersen-Bjergaard, Stig, 2014, In: Analytical and Bioanalytical Chemistry. 406, 2, p. 421-429

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Design and implementation of an automated liquid-phase microextraction-chip system coupled on-line with high performance liquid chromatography

    Li, B., Petersen, Nickolaj J., Payán, M. D. R., Hansen, S. H. & Pedersen-Bjergaard, Stig, Mar 2014, In: Talanta. 120, p. 224-9 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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