Christian Janfelt

Christian Janfelt

Associate Professor - Promotion Programme


Publication year:
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51 - 75 out of 95Page size: 25
  1. 2016
  2. 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

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

  4. 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

  5. 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

  6. 2015
  7. Published

    DESI-MS imaging of metabolites in various plant materials – a matter of sample preparation

    Kato, L., Rook, F., Møller, Birger Lindberg, Hansen, S. H. & Janfelt, Christian, 2015.

    Research output: Contribution to conference › Poster › Research

  8. 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

  9. 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 proceeding › Book chapter › Research › peer-review

  10. Published

    Topically applied methotrexate is rapidly delivered into skin by fractional laser ablation

    Taudorf, E. H., Lerche, C., Vissing, A., Philipsen, P. A., Hannibal, Jens, D'Alvise, U. J. C., Hansen, S. H., Janfelt, Christian, Paasch, U., Anderson, R. R. & Hædersdal, Merete, 2015, In: Expert Opinion on Drug Delivery. 12, 7, p. 1059-1069 11 p.

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

  11. 2014
  12. 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

  13. 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

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

  15. 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

  16. 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 journal › Review › Research › peer-review

  17. 2013
  18. 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 journal › Journal article › Research › peer-review

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

  20. 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

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

  22. 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

  23. 2012
  24. 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 journal › Journal article › Research › peer-review

  25. Published

    Billeddannende massespektrometri

    Janfelt, Christian, D'Alvise, J., Li, B. & Hansen, S. H., 2012, In: Dansk Kemi. 93, 6/7, p. 12-14 3 p.

    Research output: Contribution to journal › Journal article › Communication

  26. 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 journal › Journal article › Research

  27. 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

  28. 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 conference › Poster › Research › peer-review

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

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

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