Christian Janfelt

Christian Janfelt

Associate Professor - Promotion Programme


  1. 2005
  2. 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 articleResearchpeer-review

  3. 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 articleResearchpeer-review

  4. 2006
  5. 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 articleResearchpeer-review

  6. 2007
  7. 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 articleResearchpeer-review

  8. 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 articleResearchpeer-review

  9. 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 articleResearchpeer-review

  10. 2008
  11. 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 articleResearchpeer-review

  12. 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 articleResearchpeer-review

  13. 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

  14. 2009
  15. 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

  16. 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 articleResearchpeer-review

  17. 2010
  18. 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 articleResearch

  19. 2011
  20. 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 journalLetterResearchpeer-review

  21. 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 articleResearchpeer-review

  22. 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 articleResearchpeer-review

  23. 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

  24. 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 articleResearchpeer-review

  25. 2012
  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 journalJournal articleResearch

  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 conferencePosterResearchpeer-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 conferencePosterResearchpeer-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 journalJournal articleResearchpeer-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 journalJournal articleResearchpeer-review

  31. 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 articleResearchpeer-review

  32. 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 articleResearchpeer-review

  33. 2013
  34. 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 articleResearchpeer-review

Previous 1 2 3 4 Next

ID: 8407