Christian Janfelt
Associate Professor - Promotion Programme
Toxicology and Drug Metabolism
Universitetsparken 2
2100 København Ø
- 2012
- Published
Visualization by mass spectrometry of 2-dimensional changes in rat brain lipids, including N-acylphosphatidylethanolamines, during neonatal brain ischemia
Janfelt, Christian, Wellner, N., Leger, P., Kokesch-Himmelreich, J., Hansen, S. H., Charriaut-Marlangue, C. & Hansen, Harald S., 2012, In: F A S E B Journal. 26, 6, p. 2667-2673Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 2013
- 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. 15-22Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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
- 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
- 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
- 2014
- 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
- 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
- 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
- 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
- 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
- 2015
- 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
- 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
- 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
- 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
- 2016
- 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
- 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
- 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
- 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
- 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 journal › Journal article › Research › peer-review
- 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
- 2017
- 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 journal › Journal article › Research › peer-review
- Published
Combination of MALDI-MSI and cassette dosing for evaluation of drug distribution in human skin explant
Sørensen, I. S., Janfelt, Christian, Nielsen, M. M. B., Mortensen, R. W., Knudsen, N. Ø., Eriksson, A. H., Pedersen, A. J. & Nielsen, K. T., Aug 2017, In: Analytical and Bioanalytical Chemistry. 409, 21, p. 4993-5005 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2018
- Published
The Spatial Distribution of Alkaloids in Psychotria prunifolia (Kunth) Steyerm and Palicourea coriacea (Cham.) K. Schum Leaves Analysed by Desorption Electrospray Ionisation Mass Spectrometry Imaging
Kato, L., Moraes, A. P., de Oliveira, C. M. A., Vaz, B. G., de Almeida Gonçalves, L., E Silva, E. C. & Janfelt, Christian, 2018, In: Phytochemical Analysis. 29, p. 69-76Research output: Contribution to journal › Journal article › Research › peer-review
ID: 8407
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The Spatial Distribution of Alkaloids in Psychotria prunifolia (Kunth) Steyerm and Palicourea coriacea (Cham.) K. Schum Leaves Analysed by Desorption Electrospray Ionisation Mass Spectrometry Imaging
Research output: Contribution to journal › Journal article › Research › peer-review
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The intracellular localization of the vanillin biosynthetic machinery in pods of Vanilla planifolia
Research output: Contribution to journal › Journal article › Research › peer-review
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Mucoadhesive Electrospun Patch Delivery of Lidocaine to the Oral Mucosa and Investigation of Spatial Distribution in a Tissue Using MALDI-Mass Spectrometry Imaging
Research output: Contribution to journal › Journal article › Research › peer-review
Published