Dan Stærk

Dan Stærk

Head of Department, Visiting professor

ORCID: 0000-0003-0074-298X

Publication year:
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176 - 200 out of 218Page size: 25
  1. 2008
  2. Published

    Combining PARAFAC analysis of HPLC-PDA profiles and structural characterization using HPLC-PDA-SPE-NMR-MS experiments: commercial preparations of St. John's Wort

    Schmidt, B., Jaroszewski, J. W., Bro, Rasmus, Witt, M. & Stærk, Dan, 2008, In: Analytical Chemistry. 80, 6, p. 1978-1987 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Microwave-Assisted Ring-Opening of Activated Aziridines with Resin-Bound Amines

    Franzyk, Henrik, Crestey, F., Witt, M., Frydenvang, Karla Andrea, Stærk, Dan & Jaroszewski, J., 2008, In: Synfacts. 7, p. 769

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Microwave-assisted ring-opening of activated aziridines with resin-bound amines

    Crestey, F., Witt, M., Frydenvang, Karla Andrea, Stærk, Dan, Jaroszewski, J. W. & Franzyk, Henrik, 2008, In: Journal of Organic Chemistry. 73, 9, p. 3566-3569 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. 2007
  6. Published

    Identification of natural products using HPLC-SPE combined with CapNMR

    Lambert, M., Wolfender, J., Stærk, Dan, Christensen, Søren Brøgger, Hostettmann, K. & Jaroszewski, J. W., 2007, In: Analytical Chemistry. 79, 2, p. 727-735

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Targeted natural product isolation guided by HPLC-SPE-NMR: constituents of Hubertia species

    Sprogøe, K., Stærk, Dan, Jäger, A. K., Adsersen, A., Hansen, S. H., Witt, M., Landbo, A. R., Meyer, A. S. & Jaroszewski, J. W., 2007, In: Journal of Natural Products. 70, 9, p. 1472-1477

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. 2006
  9. Published

    Discovering new natural products directly from crude extracts by HPLC-SPE-NMR: chinane diterpenes in Harpagophytum procumbens

    Clarkson, C., Stærk, Dan, Hansen, S. H., Smith, P. J. & Jaroszewski, J. W., 2006, In: Journal of Natural Products. 69, p. 527-530

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Dovyalicin-type spermidine alkaloids from Dovyalis species

    Rasmussen, B., Nkurunziza, A., Witt, M., Oketch-Rabah, H. A., Jaroszewski, J. W. & Stærk, Dan, 2006, In: Journal of Natural Products. 69, p. 1300-1304

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    HPLC-NMR techniques for plant extract analysis

    Stærk, Dan, Lambert, M. & Jaroszewski, J. W., 2006, Medicinal Plant Biotechnology. From Basic Research to Applications. Kayser, O. & Quax, W. J. (eds.). Weinheim: Wiley-VCH, p. 29-48

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  12. Published

    Identification of major and minor constituents of Harpagophytum procumbens (Devil's Claw) using HPLC-SPE-NMR and HPLC-ESIMS/APCIMS

    Clarkson, C., Stærk, Dan, Hansen, S. H., Smith, P. J. & Jaroszewski, J. W., 2006, In: Journal of Natural Products. 69, p. 1280-1288

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Multivariate analysis of integrated and full-resolution 1H-NMR spectral data from complex pharmaceutical preparations: St. John's wort

    Rasmussen, B., Cloarec, O., Tang, H., Stærk, Dan & Jaroszewski, J. W., 2006, In: Planta Medica. 72, p. 556-563

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Plantemetabolomer in action

    Schmidt, B., Stærk, Dan, Bro, Rasmus & Jaroszewski, J. W., 2006, In: Lægemiddelforskning. 2006, p. 4-5 2 p.

    Research output: Contribution to journal › Journal article › Research

  15. Published

    Structural analysis of complex saponins of Balanites aegyptiaca by 800 MHz 1H NMR spectroscopy

    Stærk, Dan, Chapagain, B. P., lindin, T., Wiesman, Z. & Jaroszewski, J. W., 2006, In: Magnetic Resonance in Chemistry. 44, p. 923-928

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. 2005
  17. Published

    Erratum: "Naravelia zeylanica: Occurrence of primary benzamides in flowering plants" (Natural Product Research vol. 19 (3) (291-294))

    Jaroszewski, J. W., Stærk, Dan, Holm-Møller, S. B., Jensen, T. H., Franzyk, Henrik & Somanadhan, B., 1 Jun 2005, In: Natural Product Research. 19, 4, 1 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  18. Published

    Naravelia zeyanica: occurrence of primary benzamides in flowering plants

    Jaroszewski, J. W., Stærk, Dan, Holm-Møller, S. B., Jensen, T. H. & Franzyk, Henrik, 2005, In: Natural Product Research. 19, 3, p. 291-294

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Food preference and performance of the larvae of a specialist herbivore: variation among and within host-plant populations

    Leimu, R., Riipi, M. & Stærk, Dan, 2005, In: Acta Oecologica. 28, p. 325-330

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    HPLC-SPE-NMR hyphenation in natural products research: optimization of analysis of Croton membranaceus extract

    Lambert, M., Stærk, Dan, Hansen, S. H. & Jaroszewski, J. W., 2005, In: Magnetic Resonance in Chemistry. 43, p. 771-775

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Hyphenation of solid-phase extraction with liquid chromatography and nuclear magnetic resonance: application of HPLC-DAD-SPE-NMR to identification of constituents of Kanahia laniflora

    Clarkson, C., Stærk, Dan, Hansen, S. H. & Jaroszewski, J. W., 2005, In: Analytical Chemistry. 77, p. 3547-3553

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Phenanthroindolizidine alkaloids from Vincetoxicum pumilum

    Stærk, Dan, Nezhad, K. B., Asili, J., Emami, S. A., Ahi, A., Sairafianpour, M. & Jaroszewski, J. W., 2005, In: Biochemical Systematics and Ecology. 33, p. 957-960

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Rapid extract dereplication using HPLC-SPE-NMR: analysis of isoflavonoids from Smirnowia iranica

    Lambert, M., Stærk, Dan, Hansen, S. H., Sairafianpour, M. & Jaroszewski, J. W., 2005, In: Journal of Natural Products. 68, p. 1500-1509

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. 2004
  25. Published

    4N-alkyloxycarbonyl derivatives of cytosine: physicochemical characterisation, and cytosine regeneration rates and release from alginic acid gels

    Petersson, K. P., Pedersen, B. T., Stærk, Dan, Krogfelt, K. A. & Larsen, C. S., 2004, In: European Journal of Pharmaceutical Sciences. 23, 4-5, p. 337-345

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Ancistrotanzanine C and related 5,1’- and 7,3’- coupled naphtylisoquinoline alkaloids from Ancistrocladus tanzaniensis

    Bringmann, G., Dreyer, M., Faber, J. H., Dalsgaard, P. W., Stærk, Dan, Jaroszewski, J. W., Ndangalasi, H., Mbago, F., Brun, R. & Christensen, Søren Brøgger, 2004, In: Journal of Natural Products. 67, p. 743-748

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Erythrocyte membrane modifying agents and the inhibition of Plasmodium falciparum growth: structure-activity relationships for betulinic acid analogues

    Ziegler, H. L., Franzyk, Henrik, Sairafianpour, M., Tabatabai, M., Tehrani, M. D., Bagherzadeh, K., Hägerstrand, H., Stærk, Dan & Jaroszewski, J. W., 2004, In: Bioorganic & Medicinal Chemistry. 12, p. 119-127

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Isolation of a library of aromadendranes from Landolphia dulcis and its characterization using the VolSurf approach

    Stærk, Dan, Skole, B., Jørgensen, Flemming Steen, Budnik, B. A., Ekpe, P. & Jaroszewski, J. W., 2004, In: Journal of Natural Products. 67, 5, p. 799-805 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Labdanes and isopimaranes from Platycladus orientalis and their effects on erythrocyte membrane and on Plasmodium falciparum growth in the erythrocyte host cells

    Asili, J., Lambert, M., Ziegler, H. L., Stærk, Dan, Sairafianpour, M., Witt, M., Asghari, G., Ibrahimi, I. & Jaroszewski, J. W., 2004, In: Journal of Natural Products. 67, p. 631-637

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Selagoline, a new alkaloid from Huperzia selago

    Stærk, Dan, Larsen, J., Larsen, L. A., Olafsdottir, E. S., Witt, M. & Jaroszewski, J. W., 2004, In: Natural Product Research. 18, p. 197-203

    Research output: Contribution to journal › Journal article › Research › peer-review

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