Christian Janfelt

Christian Janfelt

Associate Professor - Promotion Programme


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  1. 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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-review

  3. 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 conference › Poster › Research › peer-review

  4. Published

    Visualizing metabolite distribution and enzymatic conversion in plant tissues by desorption electrospray ionization mass spectrometry imaging

    Li, B., Baden, C. K., Hansen, N. K. K., Jørgensen, Kirsten, Kannangara, R. M., Bak, Søren, Takos, A. M., Rook, F., Hansen, S. H., Møller, Birger Lindberg, Janfelt, Christian & Bjarnholt, Nanna, 2013, In: Plant Journal. 74, 6, p. 1059-1071 74.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Characterization of barley leaf tissue using direct and indirect desorption electrospray ionization imaging mass spectrometry

    Li, B., Bjarnholt, Nanna, Hansen, S. H. & Janfelt, Christian, 2011, In: Journal of Mass Spectrometry. 46, 12, p. 1241-1246

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. 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 journal › Journal article › Research › peer-review

  7. Published

    Spatial localization of monoterpenoid indole alkaloids in Rauvolfia tetraphylla by high resolution mass spectrometry imaging

    Lorensen, Marcus Daniel B B, Bjarnholt, Nanna, St-Pierre, B., Heinicke, S., Courdavault, V., O'Connor, S. & Janfelt, Christian, 2023, In: Phytochemistry. 209, 15 p., 113620.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. 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 journal › Journal article › Research › peer-review

  9. Published

    Tissue-specific stilbene accumulation is an early response to wounding/grafting as revealed by using spatial and temporal metabolomics

    Loupit, G., Fonayet, J. V., Lorensen, Marcus Daniel B B, Franc, C., De Revel, G., Janfelt, Christian & Cookson, S. J., 2023, In: Plant Cell and Environment. 46, 12, p. 3871-3886

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. 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 journal › Journal article › Research › peer-review

  11. 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 journal › Journal article › Research › peer-review

  12. Published

    Azone® decreases the buccal mucosal permeation of Diazepam in a concentration-dependent manner via a reservoir effect

    Meng-Lund, E., Jacobsen, Jette, Jin, L., Janfelt, Christian, Holm, R., Mullertz, Anette & Nicolazzo, J. A., 15 Feb 2014, In: Journal of Pharmaceutical Sciences. 103, 4, p. 1133-1141 103.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. 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 journal › Journal article › Research › peer-review

  14. Published

    Delivery of amitriptyline by intravenous and intraperitoneal administration compared in the same animal by whole-body mass spectrometry imaging of a stable isotope labelled drug substance in mice

    Morineau, L., Jacobsen, S. C., Kleberg, K., Hansen, Harald S. & Janfelt, Christian, 2 Dec 2018, In: Expert Opinion on Drug Delivery. 15, 12, p. 1157-1163

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Characterisation and localisation of the endocannabinoid system components in the adult human testis

    Nielsen, J. E., Rolland, A. D., Rajpert-De Meyts, E., Janfelt, Christian, Jørgensen, A., Winge, S. B., Kristensen, D. M., Juul, Anders, Chalmel, F., Jégou, B. & Skakkebæk, Niels Erik, 2019, In: Scientific Reports. 9, 1, 14 p., 12866.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. 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 journal › Journal article › Research › peer-review

  17. 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 journal › Journal article › Research › peer-review

  18. 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 journal › Journal article › Research › peer-review

  19. 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 conference › Poster › Research

  20. Published

    Cryo-sectioning of mice for whole-body imaging of drugs and metabolites with desorption electrospray ionization mass spectrometry imaging - a simplified approach

    Okutan, S., Hansen, Harald S. & Janfelt, Christian, Jun 2016, In: Proteomics. 16, 11-12, p. 1633-41 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Characterization of midazolam metabolism in locusts: The role of CYP3A4-like enzyme in the formation of 1'-OH and 4-OH midazolam

    Olsen, L. R., Gabel-Jensen, C., Wubshet, S. G., Kongstad, Kenneth Thermann, Janfelt, Christian, Badolo, L. & Hansen, S. H., 2016, In: Xenobiotica. 46, 2, p. 99–107 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Studies of an insect model for drug metabolism by Desorption Electrospray Ionization Mass Spectrometry Imaging

    Olsen, L. R., Hansen, S. H. & Janfelt, Christian, Aug 2014.

    Research output: Contribution to conference › Poster › Research

  23. 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 journal › Journal article › Research › peer-review

  24. 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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-review

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