Christian Janfelt

Christian Janfelt

Associate Professor - Promotion Programme


  1. 2023
  2. Published

    Elucidating the spatial distribution of organic contaminants and their biotransformation products in amphipod tissue by MALDI- and DESI-MS-imaging

    Raths, J., Pinto, F. E., Janfelt, Christian & Hollender, J., 2023, In: Ecotoxicology and Environmental Safety. 264, 10 p., 115468.

    Research output: Contribution to journalJournal articlepeer-review

  3. Published

    Importance of Dietary Uptake for in Situ Bioaccumulation of Systemic Fungicides Using Gammarus pulex as a Model Organism

    Raths, J., Schnurr, J., Bundschuh, M., Pinto, F. E., Janfelt, Christian & Hollender, J., 2023, In: Environmental Toxicology and Chemistry. 42, 9, p. 1993-2006

    Research output: Contribution to journalJournal articlepeer-review

  4. Published

    In Vitro and In Vivo Evaluation of Pellotine: A Hypnotic Lophophora Alkaloid

    Poulie, C. B. M., Chan, C. B., Parka, A., Lettorp, M., Vos, J., Raaschou, A., Pottie, E., Bundgaard, M. S., Sørensen, L. M. E., Cecchi, C. R., Märcher-Rørsted, E., Bach, A., Herth, M. M., Decker, A., Jensen, A. A., Elfving, B., Kretschmann, A. C., Stove, C. P., Kohlmeier, K. A., Cornett, C. & 3 others, Janfelt, Christian, Kornum, Birgitte Rahbek & Kristensen, Jesper Langgaard, 2023, In: ACS Pharmacology & Translational Science. 6, 10, p. 1492-1507

    Research output: Contribution to journalJournal articlepeer-review

  5. Published

    Leaves of Cannabis sativa and their trichomes studied by DESI and MALDI mass spectrometry imaging for their contents of cannabinoids and flavonoids

    Lorensen, Marcus Daniel B B, Hayat, S. Y., Wellner, N., Bjarnholt, Nanna & Janfelt, Christian, 2023, In: Phytochemical Analysis. 34, 3, p. 269-279

    Research output: Contribution to journalJournal articlepeer-review

  6. 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 journalJournal articlepeer-review

  7. Published

    Spatial localization of monoterpenoid indole alkaloids in Rauvolfia tetraphylla by high resolution mass spectrometry imaging

    Lorensen, Marcus Daniel B B, Bjarnholt, Nanna, St-Pierre, B., Heinicke, S., Courdavault, V., O'Connor, S. & Janfelt, Christian, 2023, In: Phytochemistry. 209, 15 p., 113620.

    Research output: Contribution to journalJournal articlepeer-review

  8. Published

    The Rauvolfia tetraphylla genome suggests multiple distinct biosynthetic routes for yohimbane monoterpene indole alkaloids

    Stander, E. A., Lehka, B., Carqueijeiro, I., Cuello, C., Hansson, F. G., Jansen, H. J., Dugé De Bernonville, T., Birer Williams, C., Vergès, V., Lezin, E., Lorensen, M. D. B. B., Dang, T. T., Oudin, A., Lanoue, A., Durand, M., Giglioli-Guivarc’h, N., Janfelt, C., Papon, N., Dirks, R. P., O’connor, S. E. & 3 others, Jensen, M. K., Besseau, S. & Courdavault, V., 2023, In: Communications Biology . 6, 1, 19 p., 1197.

    Research output: Contribution to journalJournal articlepeer-review

  9. Published
  10. Published

    Tissue-specific stilbene accumulation is an early response to wounding/grafting as revealed by using spatial and temporal metabolomics

    Loupit, G., Fonayet, J. V., Lorensen, Marcus Daniel B B, Franc, C., De Revel, G., Janfelt, Christian & Cookson, S. J., 2023, In: Plant Cell and Environment. 46, 12, p. 3871-3886

    Research output: Contribution to journalJournal articlepeer-review

  11. 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 journalJournal articlepeer-review

  12. 2022
  13. 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. 663-671

    Research output: Contribution to journalJournal articlepeer-review

  14. 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. 213-219

    Research output: Contribution to journalJournal articlepeer-review

  15. 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 journalReviewpeer-review

  16. 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 journalJournal articlepeer-review

  17. Published

    Quantitative Mass Spectrometry Imaging of Bleomycin in Skin Using a Mimetic Tissue Model for Calibration

    Traberg, A., Pinto, F. E., Hansen, Anders Christian Nørgaard, Hædersdal, Merete, Lerche, Catharina Margrethe & Janfelt, Christian, 2022, In: Pharmaceuticals. 15, 12, 15 p., 1583.

    Research output: Contribution to journalJournal articlepeer-review

  18. 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. 93-107

    Research output: Contribution to journalJournal articlepeer-review

  19. 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. 7167–7177

    Research output: Contribution to journalJournal articlepeer-review

  20. 2021
  21. 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 journalJournal articlepeer-review

  22. Published

    A Comparison of Human and Porcine Skin in Laser-Assisted Drug Delivery of Chemotherapeutics

    Rosenberg, L. K., Bagger, C., Janfelt, Christian, Hædersdal, Merete, Olesen, U. H. & Lerche, Catharina Margrethe, 2021, In: Lasers in Surgery and Medicine. 53, 1, p. 162-170 9 p.

    Research output: Contribution to journalJournal articlepeer-review

  23. 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. 3063-3072

    Research output: Contribution to journalJournal articlepeer-review

  24. 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. 676–685

    Research output: Contribution to journalJournal articlepeer-review

  25. Published

    Efficacy and Safety of Laser‐Assisted Combination Chemotherapy: An Explorative Imaging‐Guided Treatment With 5‐Fluorouracil and Cisplatin for Basal Cell Carcinoma

    Wenande, E., Hendel, K., Mogensen, Mette, Bagger, C., Mårtensson, Nina Løth, Persson, Daniel Pergament, Lerche, C. M., Husted, Søren, Janfelt, Christian, Togsverd‐bo, K., Anderson, R. R. & Hædersdal, Merete, 2021, In: Lasers in Surgery and Medicine. 53, 1, p. 119-128 10 p.

    Research output: Contribution to journalJournal articlepeer-review

  26. 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 journalJournal articlepeer-review

  27. 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. 211-219

    Research output: Contribution to journalJournal articlepeer-review

  28. 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 journalConference abstract in journalpeer-review

  29. Published

    Visualizing the Journey of Fenofibrate through the Rat Gastrointestinal Tract by Matrix-Assisted Laser Desorption/Ionization-Mass Spectrometry Imaging

    Strindberg, S., Plum, J., Bagger, C., Janfelt, Christian & Mullertz, Anette , 2021, In: Molecular Pharmaceutics. 18, 6, p. 2189–2197

    Research output: Contribution to journalJournal articlepeer-review

  30. 2020
  31. 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, K., Stie, Mai Bay, Janfelt, Christian, Chronakis, I. S., Jacobsen, Jette, Nielsen, Hanne Mørck & Foderà, Vito, 2020, In: Molecular Pharmaceutics. 17, 11, p. 4189-4200

    Research output: Contribution to journalJournal articlepeer-review

  32. Published
  33. 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 journalJournal articlepeer-review

  34. 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 journalJournal articlepeer-review

  35. 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 journalJournal articlepeer-review

  36. 2019
  37. 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 articlepeer-review

  38. 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. 5799-5808

    Research output: Contribution to journalJournal articlepeer-review

  39. 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 articlepeer-review

  40. 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 journalJournal articlepeer-review

  41. Published

    Characterisation and localisation of the endocannabinoid system components in the adult human testis

    Nielsen, J. E., Rolland, A. D., Rajpert-De Meyts, E., Janfelt, Christian, Jørgensen, A., Winge, S. B., Kristensen, D. M., Juul, Anders, Chalmel, F., Jégou, B. & Skakkebæk, Niels Erik, 2019, In: Scientific Reports. 9, 1, 14 p., 12866.

    Research output: Contribution to journalJournal articlepeer-review

  42. 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 journalJournal articlepeer-review

  43. 2018
  44. Published

    Delivery of amitriptyline by intravenous and intraperitoneal administration compared in the same animal by whole-body mass spectrometry imaging of a stable isotope labelled drug substance in mice

    Morineau, L., Jacobsen, S. C., Kleberg, K., Hansen, Harald S. & Janfelt, Christian, 2 Dec 2018, In: Expert Opinion on Drug Delivery. 15, 12, p. 1157-1163

    Research output: Contribution to journalJournal articlepeer-review

  45. 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 articlepeer-review

  46. Published

    The iP-gp cell model is an improved tool for predicting the in vivo relevance of P-gp mediated efflux at the blood-brain barrier

    Ozgür, Burak, Saaby, Lasse, Eneberg, E., Langthaler, K., Jacobsen, A., Janfelt, Christian, Badolo, L., Montanari, D. & Larsen, Birger Brodin, 22 Jun 2018.

    Research output: Contribution to conferencePosterResearchpeer-review

  47. 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. 100-106

    Research output: Contribution to journalJournal articlepeer-review

  48. Published

    Effect of Permeation Enhancers on the Buccal Permeability of Nicotine: Ex vivo Transport Studies Complemented by MALDI MS Imaging

    Marxen, E., Jin, L., Jacobsen, Jette, Janfelt, Christian, Hyrup, B. & Nicolazzo, J. A., 21 Feb 2018, In: Pharmaceutical Research. 35, 3, 12 p., 70.

    Research output: Contribution to journalJournal articlepeer-review

  49. 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. 519-526

    Research output: Contribution to journalJournal articlepeer-review

  50. 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. 69-76

    Research output: Contribution to journalJournal articlepeer-review

  51. 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 journalJournal articlepeer-review

  52. 2017
  53. 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 journalJournal articlepeer-review

  54. 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 journalJournal articlepeer-review

  55. 2016
  56. 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 journalJournal articlepeer-review

  57. 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 journalJournal articlepeer-review

  58. 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 journalJournal articlepeer-review

  59. 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 articlepeer-review

  60. 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 journalJournal articlepeer-review

  61. 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 journalJournal articlepeer-review

  62. 2015
  63. 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 conferencePosterResearch

  64. 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 journalJournal articlepeer-review

  65. 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

  66. 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 journalJournal articlepeer-review

  67. 2014
  68. 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 journalJournal articlepeer-review

  69. 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 conferencePosterResearch

  70. 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 articlepeer-review

  71. 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 journalJournal articlepeer-review

  72. 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 journalReviewpeer-review

  73. 2013
  74. 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 articlepeer-review

  75. 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 journalJournal articlepeer-review

  76. 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 journalJournal articlepeer-review

  77. 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 journalJournal articlepeer-review

  78. 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 journalJournal articlepeer-review

  79. 2012
  80. 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 articlepeer-review

  81. 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 journalJournal article

  82. 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 article

  83. 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 conferencePosterResearchpeer-review

  84. 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

  85. 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 journalJournal articlepeer-review

  86. 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 journalJournal articlepeer-review

  87. 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. 2667-2673

    Research output: Contribution to journalJournal articlepeer-review

  88. 2011
  89. 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 article

  90. Published

    Analysis of secondary plant metabolites by indirect desorption electrospray ionization imaging mas spectrometry

    Thunig, U. J. C., Hansen, S. H. & Janfelt, Christian, 2011, In: Analytical Chemistry. 83, p. 3256-3259

    Research output: Contribution to journalLetterpeer-review

  91. 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 articlepeer-review

  92. Published

    Characterization of barley leaf tissue using direct and indirect desorption electrospray ionization imaging mass spectrometry

    Li, B., Bjarnholt, Nanna, Hansen, S. H. & Janfelt, Christian, 2011, In: Journal of Mass Spectrometry. 46, 12, p. 1241-1246

    Research output: Contribution to journalJournal articlepeer-review

  93. 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

  94. 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. 402-410

    Research output: Contribution to journalJournal articlepeer-review

  95. 2010
  96. Published

    Direkte analyse med DESI-MS

    Thunig, J., Lauritsen, F. R., Hansen, S. H., Janfelt, Christian & Christophersen, C., 2010, In: Dansk Kemi. 91, 3, p. 21-23 3 p.

    Research output: Contribution to journalJournal article

  97. 2009
  98. 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

  99. 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 journalJournal articlepeer-review

  100. 2008
  101. 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 articlepeer-review

  102. 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 article

  103. 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 articlepeer-review

  104. 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 conferencePosterResearch

  105. 2007
  106. 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 journalJournal articlepeer-review

  107. 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 articlepeer-review

  108. 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 journalJournal articlepeer-review

  109. 2006
  110. 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 articlepeer-review

  111. 2005
  112. 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 journalJournal articlepeer-review

  113. 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 articlepeer-review

ID: 8407