Christian Janfelt

Christian Janfelt

Associate Professor


  1. 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

  2. Published

    Developing a predictive in vitro dissolution model based on gastrointestinal fluid characterisation in rats

    Christfort, J. F., Strindberg, Sophie , Plum, J., Hall-Andersen, J., Janfelt, Christian, Nielsen, L. H. & Mullertz, Anette , 2019, In : European Journal of Pharmaceutics and Biopharmaceutics. 142, p. 307-314 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. 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

  4. Published

    Detection of follicular transport of lidocaine and metabolism in adipose tissue in pig ear skin by DESI mass spectrometry imaging

    D'Alvise, J., Mortensen, R., Hansen, S. H. & Janfelt, Christian, Jun 2014, In : Analytical and Bioanalytical Chemistry. 406, 15, p. 3735-42 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. 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

  6. Published

    The intracellular localization of the vanillin biosynthetic machinery in pods of Vanilla planifolia

    Gallage, N. J., Jørgensen, Kirsten, Janfelt, Christian, Nielsen, A. J. Z., Naake, T., Dunski, E., Dalsten, Lene, Grisoni, M. & Møller, Birger Lindberg, 2018, In : Plant and Cell Physiology. 59, 2, p. 304-318 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

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

    Granborg, Jonatan Riber, Kaasgaard, S. G. & Janfelt, Christian, Mar 2018, In : Chemistry and Physics of Lipids. 211, p. 100-106

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Visualization of the penetration modifying mechanism of laurocapram by Mass Spectrometry Imaging in buccal drug delivery

    Handler, Anne Mette, Marxen, E., Jacobsen, Jette & Janfelt, Christian, 15 Jan 2019, In : European Journal of Pharmaceutical Sciences. 127, p. 276-281 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Aspects of Quantitation in Mass Spectrometry Imaging Investigated on Cryo-Sections of Spiked Tissue Homogenates

    Hansen, H. T. & Janfelt, Christian, 2016, In : Analytical Chemistry. 88, 23, p. 11513−11520 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Buccal delivery of small molecules - Impact of levulinic acid, oleic acid, sodium dodecyl sulfate and hypotonicity on ex vivo permeability and spatial distribution in mucosa

    Hansen, S. E., Marxen, E., Janfelt, Christian & Jacobsen, Jette, Dec 2018, In : European Journal of Pharmaceutics and Biopharmaceutics. 133, p. 250-257

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 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

  12. 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

  13. 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

  14. Published

    Billeddannende massespektrometri til analyse af vævsprøver

    Janfelt, Christian, Wellner, N., D'Alvise, J. & Hansen, S. H., 2012, In : Dansk Kemi. 93, 8, p. 20-23

    Research output: Contribution to journalJournal articleResearch

  15. 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

  16. Published

    Ambient mass spectrometry imaging: a comparison of desorption ionization by sonic spray and electrospray

    Janfelt, Christian & Nørgaard, A. W., Oct 2012, In : Journal of The American Society for Mass Spectrometry. 23, 10, p. 1670-8 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Characterization of a capillary spray cell for easy analysis of extracts of biological samples

    Janfelt, Christian & Lauritsen, F. R., 2011, In : International Journal of Mass Spectrometry. 299, p. 178-183

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. 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

  19. Published

    Characterization and optimization of membrane inlets for a miniature ion trap mass spectrometer operating at a high background pressure of humid air

    Janfelt, Christian, Graesboll, R. & Lauritsen, F. R., 2008, In : International Journal of Mass Spectrometry. 276, p. 17-23 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. 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

  21. 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

  22. 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

  23. The magnitude of pseudo-potential errors for density functional calculations

    Janfelt, Christian & Jensen, F., 2005, In : Chemical Physics Letters. 412, p. 501-503 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Characterization of a mini membrane inlet mass spectrometer for on-site detection of contaminants in both aqueous and liquid organic samples

    Janfelt, Christian, Frandsen, H. & Lauritsen, F. R., 2006, In : Rapid Communications in Mass Spectrometry. 20, p. 1441–1446 6 p.

    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

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