Christian Janfelt
Associate Professor - Promotion Programme
Toxicology and Drug Metabolism
Universitetsparken 2
2100 København Ø
- 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
In vivo dermal delivery of bleomycin with electronic pneumatic injection: drug visualization and quantification with mass spectrometry
Bik, L., van Doorn, M., Hansen, Anders Christian Nørgaard, Janfelt, Christian, Olesen, U. H., Hædersdal, Merete, Lerche, Catharina Margrethe & Hendel, K., 2022, In: Expert Opinion on Drug Delivery. 19, 2, p. 213-219Research 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
Smooth muscle ATP-sensitive potassium channels mediate migraine-relevant hypersensitivity in mouse models
Christensen, S. L., Rasmussen, Rikke Holm, Cour, S. L., Ernstsen, C., Hansen, Thomas Folkmann, Kogelman, L. J. A., Lauritzen, S. P., Guzaite, G., Styrishave, Bjarne, Janfelt, Christian, Christensen, Søren Tvorup, Aziz, Q., Tinker, A., Jansen-Olesen, I., Olesen, Jes & Kristensen, D. M., 2022, In: Cephalalgia. 42, 2, p. 93-107Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Developing a predictive in vitro dissolution model based on gastrointestinal fluid characterisation in rats
Christfort, J. F., Strindberg, S., 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 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
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
Visualisation of penetration of topical antifungal drug substances through mycosis-infected nails by matrix-assisted laser desorption ionisation mass spectrometry imaging
Endringer Pinto, F., Bagger, C., Kunze, G., Joly-Tonetti, N., Thenot, J., Osman-Ponchet, H. & Janfelt, Christian, 2020, In: Mycoses. 63, 8, p. 869-875 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A one-time pneumatic jet-injection of 5-fluorouracil and triamcinolone acetonide for treatment of hypertrophic scars: A blinded randomized controlled trial
Erlendsson, A. M., Rosenberg, L. K., Lerche, Catharina Margrethe, Togsverd-Bo, K., Wiegell, Stine Regin, Karmisholt, Katrine Elisabeth, Philipsen, P. A., Hansen, Anders Christian Nørgaard, Janfelt, Christian, Holmes, J., Rossi, A. & Hædersdal, Merete, 2022, In: Lasers in Surgery and Medicine. 54, 5, p. 663-671Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- Published
The aerial epidermis is a major site of quinolizidine alkaloid biosynthesis in narrow-leafed lupin
Frick, Karen Michiko, Lorensen, Marcus Daniel B B, Esteban, E., Pasha, A., Schulz, Alexander, Provart, N. J., Janfelt, Christian, Nour-Eldin, Hussam Hassan & Geu-Flores, Fernando, 2023, bioRxiv, 18 p.Research output: Working paper › Preprint › Research
- 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, L., Grisoni, M. & Møller, Birger Lindberg, 2018, In: Plant and Cell Physiology. 59, 2, p. 304-318 15 p.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
Variation in oligosaccharide profiles observed with AP-MALDI in different regions of maize kernels after treatment with xylanases
Granborg, J. R., Kaasgaard, S. G. & Janfelt, Christian, 2023, In: Journal of Cereal Science. 109, 10 p., 103586.Research 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
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
- 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
Visualization of the penetration modifying mechanism of laurocapram by Mass Spectrometry Imaging in buccal drug delivery
Handler, A. M., 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 journal › Journal article › Research › peer-review
- Published
Characterizing Cutaneous Drug Delivery Using Open-Flow Microperfusion and Mass Spectrometry Imaging
Handler, A. M., Eirefelt, S., Lambert, M., Johansson, F., Hollesen Schefe, L., Knudsen, N. Ø., Bodenlenz, M., Birngruber, T., Sinner, F., Eriksson, A. H., Pedersen, G. P., Janfelt, Christian & Troensegaard Nielsen, K., 2021, In: Molecular Pharmaceutics. 18, 8, p. 3063-3072Research output: Contribution to journal › Journal article › Research › peer-review
- 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
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. 250-257Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Bleomycin administered by laser-assisted drug delivery or intradermal needle-injection results in distinct biodistribution patterns in skin: in vivo investigations with mass spectrometry imaging
Hendel, K., Hansen, Anders Christian Nørgaard, Bik, L., Bagger, C., van Doorn, M. B. A., Janfelt, Christian, Olesen, U. H., Hædersdal, Merete & Lerche, Catharina Margrethe, 1 Jan 2021, In: Drug Delivery. 28, 1, p. 1141-1149 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- Published
Tissue distribution and metabolic profiling of cyclosporine (CsA) in mouse and rat investigated by DESI and MALDI mass spectrometry imaging (MSI) of whole-body and single organ cryo-sections
Holm, N. B., Deryabina, M., Knudsen, C. B. & Janfelt, Christian, 2022, In: Analytical and Bioanalytical Chemistry. 414, p. 7167–7177Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Desorption Electrospray Ionization Mass Spectrometry Imaging of Cimbi-36, a 5-HT2A Receptor Agonist, with Direct Comparison to Autoradiography and Positron Emission Tomography
Jacobsen, S. C., Speth, N. R., Xiong, M., Herth, Matthias Manfred, Kristensen, Jesper Langgaard, Palner, M. & Janfelt, Christian, 2021, In: Molecular Imaging and Biology. 23, p. 676–685Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Commissioned
- 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
- 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
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
Billeddannende massespektrometri til analyse af vævsprøver
Janfelt, Christian, Wellner, N., D'Alvise, J. & Hansen, S. H., 2012, In: Dansk Kemi. 93, 8, p. 20-23Research output: Contribution to journal › Journal article › Research
- 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
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
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
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
- 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
- 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. 178-183Research output: Contribution to journal › Journal article › Research › peer-review
- 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 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
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 conference › Poster › Research
- 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
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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 conference › Poster › Research
The magnitude of pseudo-potential errors for bond distances and vibrational frequencies
Jensen, F. & Janfelt, Christian, 2005, In: Chemical Physics Letters. 412, p. 12-15 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Visualization of penetration of topical antifungal drug substances through mycosis-infected nails by matrix assisted laser desorption ionization mass spectrometry imaging (MALDI-MSI)
Joly-Tonetti, N., Pinto, F. E., Bagger, C., Osman-Ponchet, H. & Janfelt, Christian, 2021, In: Journal of the American Academy of Dermatology. 85, 3, p. AB191-AB191 1 p.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
- Published
Electrospun α-lactalbumin nanofibers for site-specific and fast-onset delivery of nicotine in the oral cavity: an in vitro, ex vivo and tissue spatial distribution study
Kalouta, Kleopatra, Stie, Mai Bay, Janfelt, Christian, Chronakis, I. S., Jacobsen, Jette, Nielsen, Hanne Mørck & Foderà, Vito, 2020, In: Molecular Pharmaceutics. 17, 11, p. 4189-4200Research output: Contribution to journal › Journal article › Research › peer-review
- 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
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
- Published
Ambient Mass Spectrometry with a Handheld Mass Spectrometer at High Pressure
Keil, A., Talaty, N., Janfelt, Christian, Noll, R. J., Gao, L., Ouyang, Z. & Cooks, R. G., 2007, In: Analytical Chemistry. 79, p. 7734-7739 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 8407
Most downloads
-
275
downloads
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 -
195
downloads
The intracellular localization of the vanillin biosynthetic machinery in pods of Vanilla planifolia
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
184
downloads
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