Christian Janfelt

Christian Janfelt

Associate Professor - Promotion Programme


  1. Published

    Liquid-phase microextraction and desorption electrospray ionization mass spectrometry for identification and quantification of basic drugs in human urine

    Thunig, J., Flø, L., Pedersen-Bjergaard, Stig, Hansen, S. H. & Janfelt, Christian, 2012, In: Rapid Communications in Massspectrometry. 26, 2, p. 133-140

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    MALDI imaging of enzymatic degradation of glycerides by lipase on textile surface

    Hall-Andersen, J., Kaasgaard, S. G. & Janfelt, Christian, Mar 2018, In: Chemistry and Physics of Lipids. 211, p. 100-106

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    MALDI mass spectrometry imaging as a complementary analytical method for improved skin distribution analysis of drug molecule and excipients

    Handler, A. M., Fallah, M., Just Pedersen, A., Pommergaard Pedersen, G., Troensegaard Nielsen, K. & Janfelt, Christian, 2020, In: International Journal of Pharmaceutics. 590, 119949.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Mass spectra of proteins and other biomolecules recorded using a handheld instrument

    Janfelt, Christian, Talaty, N., Mulligan C., C., Keil, A., Quyang, Z. & Cooks, R. G., 2008, In: International Journal of Mass Spectrometry. 278, 2-3, p. 166-169

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Mass spectrometry imaging in drug distribution and drug metabolism studies: Principles, applications and perspectives

    Granborg, J. R., Handler, A. M. & Janfelt, Christian, 2022, In: Trends in Analytical Chemistry. 146, 13 p., 116482.

    Research output: Contribution to journalReviewResearchpeer-review

  6. Published

    Mass spectrometry imaging of biomarker lipids for phagocytosis and signalling during focal cerebral ischaemia

    Nielsen, M. M. B., Lambertsen, K. L., Clausen, B. H., Meyer, M., Bhandari, D. R., Larsen, S. T., Poulsen, Steen Seier, Spengler, B., Janfelt, Christian & Hansen, Harald S., 22 Dec 2016, In: Scientific Reports. 6, p. 1-14 14 p., 39571.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Mass spectrometry imaging of oligosaccharides following in situ enzymatic treatment of maize kernels

    Granborg, J. R., Kaasgaard, S. G. & Janfelt, Christian, 2022, In: Carbohydrate Polymers. 275, 10 p., 118693.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Mass spectrometry imaging of plant metabolites – principles and possibilities

    Bjarnholt, Nanna, Li, B., D'Alvise, J. & Janfelt, Christian, 2014, In: Natural Product Reports. 31, 6, p. 818-837 20 p.

    Research output: Contribution to journalReviewResearchpeer-review

  9. Published

    Massespektrometri viser fordelingen af lægemiddelstoffer i planter og væv

    Janfelt, Christian, Thunig, J., Li, B., Andersen, N. W., Hansen, Harald S. & Hansen, S. H., Dec 2011, In: Lægemiddelforskning. 2011, p. 10-12

    Research output: Contribution to journalJournal articleCommunication

  10. Published

    Matrix-Assisted Laser Desorption/Ionization-Mass Spectrometry Imaging of Metabolites during Sorghum Germination

    Montini, L., Crocoll, C., Gleadow, R. M., Motawia, M. S., Janfelt, Christian & Bjarnholt, Nanna, 2020, In: Plant Physiology. 183, 3, p. 925-942 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Method for Quantification of Chemicals in a Pollution Plume Using a Moving Membrane-Based Sensor Exemplified by Mass Spectrometry

    Janfelt, Christian, Lauritsen, F. R., Toler, S. K., Bell, R. J. & Short, R. T., 2007, In: Analytical Chemistry. 79, p. 5336-5342 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Mucoadhesive Electrospun Patch Delivery of Lidocaine to the Oral Mucosa and Investigation of Spatial Distribution in a Tissue Using MALDI-Mass Spectrometry Imaging

    Clitherow, K. H., Murdoch, C., Spain, S. G., Handler, A. M., Colley, H. E., Stie, Mai Bay, Nielsen, Hanne Mørck, Janfelt, Christian, Hatton, P. V. & Jacobsen, Jette, Sep 2019, In: Molecular Pharmaceutics. 16, 9, p. 3948-3956

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    N-acylation of phosphatidylethanolamine and its biological functions in mammals

    Wellner, N., Diep, T. A., Janfelt, Christian & Hansen, Harald S., Mar 2013, In: BBA General Subjects. 1831, 3, p. 652-62 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Natural products in Glycyrrhiza glabra (licorice) rhizome imaged at the cellular level by atmospheric pressure matrix-assisted laser desorption/ionization tandem mass spectrometry imaging

    Li, B., Bhandari, D. R., Janfelt, Christian, Römpp, A. & Spengler, B., Oct 2014, In: Plant Journal. 80, 1, p. 161-71 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Nebulization ionization and desorption ionization analysis of reactive organofunctionalized silanes in nanofilm products

    Nørgaard, A. W., Janfelt, Christian, Benassi, M., Wolkoff, P. & Lauritsen, F. R., 2011, In: Journal of Mass Spectrometry. 46, 4, p. 402-410

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    On-line monitoring of VOC emissions from nanofilm coating products using a handheld membrane inlet mass spectrometer

    Nørgaard, A. W., Janfelt, Christian, Wolkoff, P., Jensen, K. A. & Lauritsen, F. R., 2008.

    Research output: Contribution to conferencePosterResearch

  17. Accepted/In press

    Oral Squamous Cell Carcinoma Lipid Evaluation in Gingiva Tissue Stored in TRIzol via Shotgun Lipidomics and MALDI Mass Spectrometry Imaging

    Bernardo, R. A., de Oliveira Júnior, C. I., Roque, J. V., Costa, N. D. L., Roriz, V. M., Sorgi, C. A., Janfelt, Christian, Vaz, B. G. & Chaves, A. R., 2023, (Accepted/In press) In: Journal of Proteome Research.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Oral administration of quercetin and fisetin potentiates photocarcinogenesis in UVR-exposed hairless mice

    Pihl, Celina, Granborg, J. R., Pinto, F. E., Bjerring, P., Andersen, F., Janfelt, Christian, Hædersdal, Merete & Lerche, Catharina Margrethe, 2024, In: Phytomedicine Plus. 4, 2, 8 p., 100547.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Permeability Barriers for Nicotine and Mannitol in Porcine Buccal. Mucosa Studied by High-Resolution MALDI Mass Spectrometry Imaging

    Marxen, E., Jacobsen, Jette, Hyrup, B. & Janfelt, Christian, 5 Feb 2018, In: Molecular Pharmaceutics. 15, 2, p. 519-526

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Portable electrospray ionization mass spectrometry (ESI-MS) for analysis of contaminants in the field

    Janfelt, Christian, Græsbøll, R. & Lauritsen, F. R., 2012, In: International Journal of Environmental Analytical Chemistry. 92, 4, p. 397–404 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Quantitative MALDI mass spectrometry imaging for exploring cutaneous drug delivery of tofacitinib in human skin

    Handler, A. M., Pedersen, G. P., Nielsen, K. T., Janfelt, Christian, Pedersen, A. J. & Clench, M. R., 2021, In: European Journal of Pharmaceutics and Biopharmaceutics. 159, p. 1-10 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Quantitative Mass Spectrometry Imaging of Bleomycin in Skin Using a Mimetic Tissue Model for Calibration

    Traberg, A., Pinto, F. E., Hansen, A. C. N., Hædersdal, Merete, Lerche, Catharina Margrethe & Janfelt, Christian, 2022, In: Pharmaceuticals. 15, 12, 15 p., 1583.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Quinolizidine alkaloids are transported to seeds of bitter narrow-leafed lupin

    Otterbach, S. L., Yang, T., Kato, L., Janfelt, Christian & Geu-Flores, Fernando, 15 Oct 2019, In: Journal of Experimental Botany. 70, 20, p. 5799-5808

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Release of VOCs and particles during use of nanofilm spray products

    Nørgaard, A. W., Jensen, K. A., Janfelt, Christian, Lauritsen, F. R., Clausen, P. A. & Wolkoff, P., 2009, In: Environmental Science and Technology. 43, 20, p. 7824-7830 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Screening novel CNS drug candidates for P-glycoprotein interactions using the cell line iP-gp: In vitro efflux ratios from iP-gp and MDCK-MDR1 monolayers compared to brain distribution data from mice

    Ozgür, Burak, Saaby, Lasse, Janfelt, Christian, Langthaler, K., Eneberg, E., Jacobsen, A., Badolo, L., Montanari, D. & Larsen, Birger Brodin, 2021, In: European Journal of Pharmaceutics and Biopharmaceutics. 169, p. 211-219

    Research output: Contribution to journalJournal articleResearchpeer-review

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