Christian Janfelt

Christian Janfelt

Associate Professor - Promotion Programme


  1. Published

    Direct and indirect imaging of secondary metabolites and enzymatic reactions in plant material by Desorption Electrospray Ionization

    Li, B., Bjarnholt, Nanna, Knudsen, C., D'Alvise, J., Hansen, S. H. & Janfelt, Christian, 2012.

    Research output: Contribution to conferencePosterResearchpeer-review

  2. Published

    Direct imaging of plant metabolites in leaves and petals by Desorption Electrospray Ionization mass spectrometry

    Li, B., Hansen, S. H. & Janfelt, Christian, 2013, In: International Journal of Mass Spectrometry. 348, p. 15-22

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Direkte analyse med DESI-MS

    Thunig, J., Lauritsen, F. R., Hansen, S. H., Janfelt, Christian & Christophersen, C., 2010, In: Dansk Kemi. 91, 3, p. 21-23 3 p.

    Research output: Contribution to journalJournal articleResearch

  4. Published

    Displaced dual-mode imaging with desorption electrospray ionization for simultaneous mass spectrometry imaging in both polarities and with several scan modes

    Janfelt, Christian, Wellner, N., Hansen, Harald S. & Hansen, S. H., Mar 2013, In: Journal of Mass Spectrometry. 48, 3, p. 361-6 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Distribution of terfenadine and its metabolites in locusts studied by desorption electrospray ionization mass spectrometry imaging

    Olsen, L. R., Hansen, S. H. & Janfelt, Christian, 2015, In: Analytical and Bioanalytical Chemistry. 407, 8, p. 2149–2158 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Effect of Permeation Enhancers on the Buccal Permeability of Nicotine: Ex vivo Transport Studies Complemented by MALDI MS Imaging

    Marxen, E., Jin, L., Jacobsen, Jette, Janfelt, Christian, Hyrup, B. & Nicolazzo, J. A., 21 Feb 2018, In: Pharmaceutical Research. 35, 3, 12 p., 70.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Efficacy and Safety of Laser‐Assisted Combination Chemotherapy: An Explorative Imaging‐Guided Treatment With 5‐Fluorouracil and Cisplatin for Basal Cell Carcinoma

    Wenande, E., Hendel, K., Mogensen, Mette, Bagger, C., Mårtensson, Nina Løth, Persson, Daniel Pergament, Lerche, C. M., Husted, Søren, Janfelt, Christian, Togsverd‐bo, K., Anderson, R. R. & Hædersdal, Merete, 2021, In: Lasers in Surgery and Medicine. 53, 1, p. 119-128 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published
  9. Published

    Elucidating the spatial distribution of organic contaminants and their biotransformation products in amphipod tissue by MALDI- and DESI-MS-imaging

    Raths, J., Pinto, F. E., Janfelt, Christian & Hollender, J., 2023, In: Ecotoxicology and Environmental Safety. 264, 10 p., 115468.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Fast and direct screening of polyaromatic hydrocarbon (PAH)-contaminated sand using a miniaturized membrane inlet mass spectrometer (mini-MIMS)

    Frandsen, H., Janfelt, Christian & Lauritsen, F. R., 2007, In: Rapid Communications in Mass Spectrometry. 21, p. 1574-1578 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Fractional laser-assisted drug delivery: Laser channel depth influences biodistribution and skin deposition of methotrexate

    Taudorf, E. H., Lerche, C. M., Erlendsson, A. M., Philipsen, P. A., Hansen, S. H., Janfelt, Christian, Paasch, U., Anderson, R. R. & Hædersdal, Merete, Jul 2016, In: Lasers in Surgery and Medicine. 48, 5, p. 519-529 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Fractional laser-assisted topical delivery leads to enhanced, accelerated and deeper cutaneous 5-fluorouracil uptake

    Wenande, E., Olesen, U. H., Nielsen, M. M. B., Janfelt, Christian, Hansen, S. H., Anderson, R. & Hædersdal, Merete, 2017, In: Expert Opinion on Drug Delivery. 14, 3, p. 307-317 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Fractional laser-assisted topical delivery of bleomycin quantified by LC-MS and visualized by MALDI mass spectrometry imaging

    Hendel, K. K., Bagger, C., Olesen, U. H., Janfelt, Christian, Hansen, S. H., Hædersdal, Merete & Lerche, C. M., Dec 2019, In: Drug Delivery. 26, 1, p. 244-251 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    High-throughput analysis of drugs in biological fluids by desorption electrospray ionization mass spectrometry coupled with thin liquid membrane extraction

    Rosting, C., Pedersen-Bjergaard, Stig, Hansen, S. H. & Janfelt, Christian, 2013, In: Analyst. 138, 20, p. 5965-72 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Imaging of plant materials using indirect desorption electrospray ionization mass spectrometry

    Janfelt, Christian, 2015, Mass Spectrometry Imaging of Small Molecules. He, L. (ed.). Humana Press, Vol. 1203. p. 91-7 7 p. (Methods in Molecular Biology).

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

  16. Published

    Importance of Dietary Uptake for in Situ Bioaccumulation of Systemic Fungicides Using Gammarus pulex as a Model Organism

    Raths, J., Schnurr, J., Bundschuh, M., Pinto, F. E., Janfelt, Christian & Hollender, J., 2023, In: Environmental Toxicology and Chemistry. 42, 9, p. 1993-2006

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. 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

  18. Published

    In vivo dermal delivery of bleomycin with electronic pneumatic injection: drug visualization and quantification with mass spectrometry

    Bik, L., van Doorn, M., Hansen, Anders Christian Nørgaard, Janfelt, Christian, Olesen, U. H., Hædersdal, Merete, Lerche, Catharina Margrethe & Hendel, K., 2022, In: Expert Opinion on Drug Delivery. 19, 2, p. 213-219

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Indirect DESI imaging of secondary metabolites in plant material

    Janfelt, Christian, Thunig, U. J. C., Li, B. & Hansen, S. H., 2011. 1 p.

    Research output: Contribution to conferencePosterResearch

  20. Published

    Interspecific variation in localization of hypericins and phloroglucinols in the genus Hypericum as revealed by desorption electrospray ionization mass spectrometry imaging

    Kucharíková, A., Kimáková, K., Janfelt, Christian & Cellárová, E., 2016, In: Physiologia Plantarum. 157, 1, p. 2-12 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published
  22. Published

    Ischemia in neonatal rat brains analyzed by Desorption Electrospray Ionization Imaging mass spectrometry

    Janfelt, Christian, Wellner, N., Leger, P., Kokesch-Himmelreich, J., Hansen, S. H., Charriaut-Marlangue, C. & Hansen, Harald S., 2012.

    Research output: Contribution to conferencePosterResearchpeer-review

  23. Published

    Kan analyselaboratoriet flyttes i felten?

    Janfelt, Christian & Lauritsen, F. R., 2008, In: LMFK-Bladet. 1, p. 31-34 4 p.

    Research output: Contribution to journalJournal articleCommissioned

  24. Published

    Leaves of Cannabis sativa and their trichomes studied by DESI and MALDI mass spectrometry imaging for their contents of cannabinoids and flavonoids

    Lorensen, Marcus Daniel B B, Hayat, S. Y., Wellner, N., Bjarnholt, Nanna & Janfelt, Christian, 2023, In: Phytochemical Analysis. 34, 3, p. 269-279

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Liquid-Phase MicroExtraction coupled to Desorption Electrospray Ionization Mass Spectrometry in pharmaceutical analysis

    Janfelt, Christian, Thunig, U. J. C., Pedersen-Bjergaard, Stig & Hansen, S. H., 2009.

    Research output: Contribution to conferencePosterResearch

ID: 8407