Dan Stærk
Head of Department, Visiting professor
Administration and Operations
Jagtvej 160
2100 København Ø
Biopharmaceuticals
Jagtvej 162
2100 København Ø
- 2011
- Published
Production of unusual dispiro metabolites in Pestalotiopsis virgatula endophyte cultures: HPLC-SPE-NMR, electronic circular dichroism, and time-dependent density-functional computation study
Kesting, J. R., Olsen, L., Stærk, Dan, Tejesvi, M. V., Kini, K. R., Prakash, H. S. & Jaroszewski, J. W., 26 Sep 2011, In: Journal of Natural Products. 74, 10, p. 2206-2215Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Efficient and versatile COMU-mediated solid-phase submonomer synthesis of arylopeptoids (oligomeric N-substituted aminomethyl benzamides)
Hjelmgaard, T., Faure, S., Stærk, Dan, Taillefumier, C. & Nielsen, J., 2011, In: Organic & Biomolecular Chemistry. 9, p. 6832-6843 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Expedient solution-phase synthesis and NMR studies of arylopeptoids
Hjelmgaard, T., Faure, S., Stærk, Dan, Taillefumier, C. & Nielsen, J., 2011, In: European Journal of Organic Chemistry. 2011, 22, p. 4121-4132 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Two novel classes of enzymes are required for the biosynthesis of aurofusarin in Fusarium graminearum
Frandsen, R. J. N., Schütt, C. W. H., Lund, B. L. W., Stærk, Dan, Nielsen, J., Olsson, S. & Giese, H., 2011, In: Journal of Biological Chemistry. 286, 12, p. 10419-10428 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2010
- Published
1H NMR-based metabolomics combined with HPLC-PDA-MS-SPE-NMR for investigation of standardized Ginkgo biloba preparations
Agnolet, S., Jaroszewski, J. W., Verpoorte, R. & Stærk, Dan, 2010, In: Metabolomics. 6, 2, p. 292-302 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Bisbenzylisoquinoline alkaloids as markers of Atherospermataceae: tetrandrine and fangchinoline from Laureliopsis philippiana
Stanstrup, Jan, Schmidt, J. S., Rasmussen, H. B., Mølgaard, Per, Guzmán, A. & Stærk, Dan, 2010, In: Biochemical Systematics and Ecology. 38, 3, p. 450-453 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Butenolides from plant-derived smoke: natural plant-growth regulators with antagonistic actions on seed germination
Light, M. E., Burger, B. V., Stærk, Dan, Kohout, L. & Van Staden, J., 2010, In: Journal of Natural Products. 73, 2, p. 267-269 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Itoside A and 4-hydroxytremulacin from Dovyalis caffra and Dovyalis zeyheri
Stanstrup, Jan, Rusch, A., Agnolet, S., Rasmussen, H. B., Mølgaard, Per, Van Staden, J., Stafford, G. I. & Stærk, Dan, 2010, In: Biochemical Systematics and Ecology. 38, 3, p. 346-348 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
New resistance-correlated saponins from the insect-resistant crucifer Barbarea vulgaris
Nielsen, Nikoline Juul, Nielsen, J. & Stærk, Dan, 2010, In: Journal of Agricultural and Food Chemistry. 58, 9, p. 5509-5514 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2009
- Published
1H NMR-based metabolomics applied to study of complex pharmaceutical extracts of Ginkgo biloba
Agnolet, S., Jaroszewski, J. W. & Stærk, Dan, 2009.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
1H-NMR based metabolomics applied to standardized Ginkgo biloba preparations
Agnolet, S., Jaroszewski, J. W., Verpoorte, R. & Stærk, Dan, 2009.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
1H-NMR based metabolomics applied to standardized Ginkgo biloba preparations
Agnolet, S., Jaroszewski, J. W., Verpoorte, R. & Stærk, Dan, 2009.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Accelerated dereplication of crude extracts using HPLC-PDA-MS-SPE-NMR
Stærk, Dan, Kesting, J. R., Sairafianpour, M., Witt, M., Asili, J., Emami, S. A. & Jaroszewski, J. W., 2009, In: Phytochemistry. 70, 8, p. 1055-1061 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Antimalarial sesquiterpene lactones from Distephanus angulifolius
Pedersen, M. M., Chukwujekwu, J. C., Lategan, C. A., van Staden, J., Smith, P. J. & Stærk, Dan, 2009, In: Phytochemistry. 70, 5, p. 601-607 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Application of Rotated PCA Models to Facilitate Interpretation of Metabolite Profiles: Commercial Preparations of St. John's Wort
Lawaetz, A. J., Schmidt, B., Stærk, Dan, Jaroszewski, J. W. & Bro, Rasmus, 2009, In: Planta Medica.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Application of rotated PCA models to facilitate interpretation of metabolite profiles: commercial preparations of St. John's wort
Lawaetz, A. J., Schmidt, B., Stærk, Dan, Jaroszewski, J. W. & Bro, Rasmus, 2009, In: Planta Medica. 75, 3, p. 271-279 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
HPLC-SPE-NMR identification of a novel metabolite containing the benzo[c]oxepin skeleton from the endophytic fungus Pestalotiopsis virgatula culture
Kesting, J. R., Stærk, Dan, Tejesvi, M. V., Kini, K. R., Prakash, H. S. & Jaroszewski, J. W., 2009, In: Planta Medica. 75, 10, p. 1104-1106 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Hyphenation of HPLC, SPE and NMR for analysis of complex mixtures
Stærk, Dan, 2009.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Identification of reaction products between drug substances and excipients by HPLC-SPE-NMR: Ester and amide formation between citric acid and 5-aminosalicylic acid
Larsen, J. T., Stærk, Dan, Cornett, Claus, Hansen, S. H. & Jaroszewski, J. W., 2009, In: Journal of Pharmaceutical and Biomedical Analysis. 49, p. 839-842Research output: Contribution to journal › Journal article › Research › peer-review
- Published
New bisbenzylisoquinoline alkaloid from Laureliopsis philippiana
Stærk, Dan, Thi, L. P., Rasmussen, H. B., Guzmán, A. & Mølgaard, Per, 2009, In: Fitoterapia. 80, 2, p. 112-114 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Non-biased investigation of standardized Ginkgo biloba preparations by 1H NMR-based metabolomics and HPLC-PDA-MS-SPE-NMR
Agnolet, S., Jaroszewski, J. W., Verpoorte, R. & Stærk, Dan, 2009.Research output: Contribution to conference › Poster › Research
- Published
Non-biased investigation of standardized Ginkgo biloba preparations by 1H NMR-based metabolomics and HPLC-PDA-MS-SPE-NMR
Agnolet, S., Jaroszewski, J. W., Verpoorte, R. & Stærk, Dan, 2009. 1 p.Research output: Contribution to conference › Poster › Research
- Published
Piperidine and tetrahydropyridine alkaloids from Lobelia siphilitica and Hippobroma longiflora:
Kesting, J. R., Tolderlund, I., Pedersen, A. F., Witt, M., Jaroszewski, J. W. & Stærk, Dan, 2009, In: Journal of Natural Products. 72, 2, p. 312-315 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2008
- Published
HPLC-NMR Techniques for Plant Extract Analysis
Stærk, Dan, Lambert, M. & Jaroszewski, J. W., 20 Mar 2008, Medicinal Plant Biotechnology: From Basic Research to Industrial Applications. Wiley-VCH, p. 29-48 20 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Combining HPLC-PDA-MS-SPE-NMR with circular dichroism for complete natural product characterization in crude extracts: Levorotatory gossypol in Thespesia danis
Sprogøe, K., Stærk, Dan, Ziegler, H. L., Jensen, T. H., Holm-Møller, S. B. & Jaroszewski, J. W., 2008, In: Journal of Natural Products. 71, 4, p. 516-519Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 769Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 2007
- 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. 727-735Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1472-1477Research output: Contribution to journal › Journal article › Research › peer-review
- 2006
- 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. 527-530Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1300-1304Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 29-48Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 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. 1280-1288Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 556-563Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 923-928Research output: Contribution to journal › Journal article › Research › peer-review
- 2005
- 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
- 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. 291-294Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 325-330Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 771-775Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 3547-3553Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 957-960Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1500-1509Research output: Contribution to journal › Journal article › Research › peer-review
- 2004
- 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. 337-345Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 743-748Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 119-127Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 631-637Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 197-203Research output: Contribution to journal › Journal article › Research › peer-review
ID: 1299056
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6329
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Identification of α-glucosidase inhibitors in apple peel - a chemometric approach
Research output: Contribution to conference › Poster › Research
Published -
4047
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Itoside A and 4-hydroxytremulacin from Dovyalis caffra and Dovyalis zeyheri
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
3005
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Identification of reaction products between drug substances and excipients by HPLC-SPE-NMR: Ester and amide formation between citric acid and 5-aminosalicylic acid
Research output: Contribution to journal › Journal article › Research › peer-review
Published