Christian Janfelt
Associate Professor - Promotion Programme
Toxicology and Drug Metabolism
Universitetsparken 2
2100 København Ø
- 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. 133-140Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 100-106Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
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. 166-169Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Review › 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
- 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 journal › Journal article › Research › peer-review
- 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
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. 10-12Research output: Contribution to journal › Journal article › Communication
- 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
- 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 journal › Journal article › Research › peer-review
- 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. 3948-3956Research 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
- 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
- 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. 402-410Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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. 519-526Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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. 5799-5808Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 211-219Research 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
Published -
196
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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
Published -
185
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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