Dan Stærk

Dan Stærk

Head of Department, Visiting professor

ORCID: 0000-0003-0074-298X

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  1. Published

    α-Glucosidase inhibitory activity of plant extracts from the Danish Medicinal Plant Biobank

    Madsen, A. T., Soelberg, Jens & Stærk, Dan, 8 Jun 2021. 1 p.

    Research output: Contribution to conference › Poster › Research

  2. Published

    α-Glucosidase inhibitors from Phyllanthus amarus and Phyllanthus urinaria

    Trinh, T. D. B., Stærk, Dan & Jäger, A. K., Dec 2016, In: Planta Medica. 81, S 01, p. 1 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  3. Published

    Xanthones from the twigs of Garcinia oblongifolia and their antidiabetic activity

    Trinh, T. D. B., Quach, T. T. T., Bui, D. N., Stærk, Dan, Nguyen, L. D. & Jäger, A. K., 2017, In: Fitoterapia. 118, p. 126-131

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

  4. Published

    Vejledning til laboratorieøvelser i 'Organisk Kemi for Biovidenskab'

    Stærk, Dan, 2012, Institut for Grundvidenskab og Miljø, Københavns Universitet. 74 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  5. Published

    Unraveling the complexity of complex mixtures by combining high-resolution pharmacological, analytical and spectroscopic techniques: Antidiabetic constituents in Chinese medicinal plants

    Zhao, Yong, Kongstad, Kenneth Thermann, Liu, Y., He, C. & Stærk, Dan, 2019, In: Faraday Discussions. 218, p. 202-218

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

  6. 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

  7. Published

    Triple aldose reductase/α-glucosidase/radical scavenging high-resolution profiling combined with high-performance liquid chromatography – high-resolution mass spectrometry – solid-phase extraction – nuclear magnetic resonance spectroscopy for identification of antidiabetic constituents in crude extract of Radix Scutellariae

    Tahtah, Y., Kongstad, Kenneth Thermann, Wubshet, S. G., Nyberg, N., Jønsson, L. H., Jäger, A. K., Qinglei, S. & Stærk, Dan, 2015, In: Journal of Chromatography A. 1408, p. 125-132 8 p.

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

  8. Published

    Total biosynthesis of the cyclic AMP booster forskolin from Coleus forskohlii

    Pateraki, Irini, Andersen-Ranberg, Johan, Jensen, N. B., Wubshet, S. G., Heskes, A. M., Forman, Victor, Hallström, B., Hamberger, B., Motawie, Mohammed Saddik, Olsen, C. E., Stærk, Dan, Hansen, J., Møller, Birger Lindberg & Hamberger, B. R., 2017, In: eLife. 6, 28 p., e23001.

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

  9. Published

    The α-glucosidase and PTP1B inhibitory effect of 45 medicinal plants extracts

    Liu, B., Kongstad, Kenneth Thermann, Jäger, A. K. & Stærk, Dan, Dec 2016, In: Planta Medica. 81, S 01, p. 1 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  10. Published

    The causal mutation leading to sweetness in modern white lupin cultivars

    Mancinotti, Davide, Czepiel, K., Taylor, J. L., Galehshahi, H. G., Møller, L. A., Jensen, M. K., Motawie, Mohammed Saddik, Hufnagel, B., Soriano, A., Yeheyis, L., Kjaerulff, Louise, Péret, B., Stærk, Dan, Wendt, T., Nelson, M. N., Kroc, M. & Geu-Flores, Fernando, 2023, In: Science Advances. 9, 31, 10 p., eadg8866.

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

  11. Published

    The antiparasitic compound Licochalcon A is a potent echinocytogenic agent that modifies erythrocyte membrane in the concentration region where the antiplasmodial activity is observed

    Ziegler, H. L., Hansen, Harald S., Stærk, Dan, Christensen, Søren Brøgger, Hägerstrand, H. & Jaroszewski, J. W., 2004, In: Antimicrobial Agents and Chemotherapy. 48, p. 4067-4071

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

  12. Published

    Terpenoids of Salvia hydrangea: two new, rearranged 20-norabietanes and the effect of oleanolic acid on erythrocyte membrane

    Sairafianpour, M., Bahreininejad, B., Witt, M., Ziegler, H. L., Jaroszewski, J. W. & Stærk, Dan, 2003, In: Planta Medica. 69, p. 846-850

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

  13. Published

    Targeting high-performance liquid chromatography-high-resolution mass spectrometry-solid-phase extraction-nuclear magnetic resonance analysis with high-resolution radical scavenging profiles - bioactive secondary metabolites from the endophytic fungus Penicillium namyslowskii

    Wubshet, S. G., Nyberg, N., Tejesvi, M. V., Pirttilä, A. M., Kajula, M., Mattila, S. & Stærk, Dan, 2013, In: Journal of Chromatography A. 1302, p. 34-39

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

  14. 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

  15. Published

    Synthesis of C-glucosylated octaketide anthraquinones in Nicotiana benthamiana using a multispecies-based biosynthetic pathway

    Andersen-Ranberg, Johan, Kongstad, Kenneth Thermann, Nafisi, M., Stærk, Dan, Okkels, F. T., Mortensen, U. H., Møller, Birger Lindberg, Frandsen, R. J. N. & Kannangara, R. M., 2017, In: ChemBioChem. 18, 19, p. 1893-1897 5 p.

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

  16. Published

    Synthesis and antiangiogenic activity of N-alkylated levamisole derivatives

    Hansen, A. N., Bendiksen, C. D., Sylvest, L., Friis, T., Stærk, Dan, Jørgensen, Flemming Steen, Olsen, Christian Adam & Houen, G., 2012, In: P L o S One. 7, 9, 10 p.

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

  17. Published

    Structure elucidation of prenyl- and geranyl substituted coumarins in Gerbera piloselloides by NMR spectroscopy, electronic circular dichroism calculations, and single crystal X-ray crystallography

    Li, T., Ma, X., Fedotov, D., Kjaerulff, Louise, Frydenvang, Karla Andrea, Coriani, S., Hansen, Paul Robert, Kongstad, Kenneth Thermann & Stærk, Dan, 8 Apr 2020, In: Molecules. 25, 25 p., 1706.

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

  18. Published

    Structure elucidation and absolute configuration determination of nortriterpenoids from Picramnia glazioviana

    Gimenes, L., Luna-Dulcey, L., Batista Junior, J. M., dos Santos Junior, F. M., Popolin, C. P., Cominetti, M. R., Fernandes, J. B. & Stærk, Dan, 2020, In: Journal of Natural Products. 83, p. 1859-1876

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

  19. 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

  20. Published

    Stereochemistry as a determining factor for the effect of a cell-penetrating peptide on cellular viability and epithelial integrity

    Birch, D., Christensen, M. V., Stærk, Dan, Franzyk, Henrik & Nielsen, Hanne Mørck, 24 May 2018, In: Biochemical Journal. 475, 10, p. 1773-1788 16 p.

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

  21. Published

    Spektroskopi – Strukturopklaring vha NMR og IR: Kompendium med forelæsningsslides, tabeller og opgavesamling til en undervisningsdag i spektroskopi ved Institut for Lægemiddeldesign og Farmakologi på Det Sundhedsvidenskabelige Fakultet, Københavns Universitet.

    Stærk, Dan, 2016, 74 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  22. Published

    Simultaneous quantification of high-dose naloxone and naloxone-3-β-D-glucuronide in human plasma by UHPLC-MS/MS

    Kongstad, Kenneth Thermann, Papathanasiou, T., Springborg, A., Lund, Trine Meldgaard, Werner, M. U. & Stærk, Dan, 2019, In: Bioanalysis. 11, 03, p. 165-173

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

  23. Published

    Serrulatane diterpenoids with unusual side chain modifications from root bark of Eremophila longifolia

    Rasmussen, L. F., Anton, Jennifer, Kjaerulff, Louise, Zhao, Yong, Semple, S. J., Ndi, C., Buirchell, B., Møller, Birger Lindberg & Stærk, Dan, 2022, In: Phytochemistry. 203, 14 p., 113408.

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

  24. Published

    Serrulatane diterpenoids from the leaves of Eremophila glabra and their potential as antihyperglycemic drug leads

    Petersen, M. J., Liang, Chao, Kjaerulff, Louise, Ndi, C., Semple, S., Buirchell, B., Coriani, S., Møller, Birger Lindberg & Stærk, Dan, 2022, In: Phytochemistry. 196, 11 p., 113072.

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

  25. Published

    Semi-synthesis of novel thebaine derivatives with low cytotoxicity and their antibacterial and antihemolytic properties

    Hasanpour, Z., Salehi, P., Aliahmadi, A., Hoseinpour, M., Behboodi, H., Stærk, Dan & Bararjanian, M., 2023, In: Medicinal Chemistry Research. 32, p. 1713–1725

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

  26. Published

    Semi-synthesis of novel buprenorphine derivatives and their anti-nociceptive properties and dependency potential

    Hasanpour, Z., Salehi, P., Bunch, Lennart, Khoramjouy, M., Bararjanian, M., Stærk, Dan & Faizi, M., 2021, In: Canadian Journal of Chemistry. 99, 11, p. 910-919

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

  27. 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

  28. Published

    Secondary metabolite comparison of the species within the Heterobasidion annosum s.l. complex

    Hansson, D., Wubshet, S. G., Olson, Å., Karlsson, M., Stærk, Dan & Broberg, A., 2014, In: Phytochemistry. 108, p. 243-251 9 p.

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

  29. Published

    Screening selected Vietnamese plants used to treat diabetes for PTP1B inhibitory activity

    Trinh, T. D. B., Stærk, Dan & Jäger, A. K., Dec 2016, In: Planta Medica. 81, S 01, p. 1 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  30. Published

    Screening for potential α-glucosidase and α-amylase inhibitory constituents from selected Vietnamese plants used to treat type 2 diabetes

    Trinh, T. D. B., Stærk, Dan & Jäger, A. K., 2016, In: Journal of Ethnopharmacology. 186, p. 189-195 7 p.

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

  31. Published

    Reversal of ABCG2/BCRP-mediated multidrug resistance by 5,3’,5’-trihydroxy-3,6,7,4’-tetramethoxyflavone isolated from the Australian desert plant Eremophila galeata Chinnock

    Petersen, M. J., Lund, X. L., Semple, S. J., Buirchell, B., Franzyk, Henrik, Gajhede, Michael, Kongstad, Kenneth Thermann, Stenvang, Jan & Stærk, Dan, 2021, In: Biomolecules. 11, 10, 19 p., 1534.

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

  32. Published

    Recreational drug use at a major music festival: trend analysis of anonymised pooled urine

    Hoegberg, L., Christiansen, C., Søe, J. L., Telving, R., Andreasen, M. F., Stærk, Dan, Christrup, Lona Louring & Kongstad, Kenneth Thermann, 2018, In: Clinical Toxicology. 56, p. 245-255 1360496.

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

  33. 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

  34. Published

    Quadruple high-resolution α-glucosidase/α-amylase/PTP1B/radical scavenging profiling combined with high-performance liquid chromatography – high-resolution mass spectrometry – solid-phase extraction – nuclear magnetic resonance spectroscopy for identification of antidiabetic constituents in crude root bark of Morus alba L.

    Zhao, Yong, Kongstad, Kenneth Thermann, Jäger, A. K., Nielsen, J. & Stærk, Dan, 2018, In: Journal of Chromatography A. 1556, p. 55-63

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

  35. Published

    Prolonged Shelf Life in Fermented Milk Products Investigated by Bioassay-Guided Chemometrics

    Vinther, J. M., Garrigues, C., Nyberg, N., Jäger, A., Franzyk, Henrik & Stærk, Dan, 2014.

    Research output: Contribution to conference › Poster › Research

  36. 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. 2206-2215

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

  37. Published

    Production of novel fusarielins by ectopic activation of the polyketide synthase 9 cluster in Fusarium graminearum

    Sørensen, J. L., Hansen, F. T., Søndergaard, T. E., Stærk, Dan, Lee, T. V., Wimmer, R., Klitgaard, L. G., Purup, S., Giese, H. & Frandsen, R. J. N., 2012, In: Environmental Microbiology. 14, 5, p. 1159-1170 12 p.

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

  38. Published

    Potential of Sorbus berry extracts for management of type 2 diabetes: metabolomics investigation of 1H NMR spectra, α-amylase and α-glucosidase inhibitory activities, and in vivo anti-hyperglycaemic activity of S. norvegica

    Broholm, S. L., Gramsbergen, S., Nyberg, N., Jäger, A. K. & Stærk, Dan, 2019, In: Journal of Ethnopharmacology. 242, 10 p., 112061.

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

  39. Published

    Potential of Polygonum cuspidatum root as an antidiabetic food: Dual high-resolution α-glucosidase and PTP1B inhibition profiling combined with HPLC-HRMS and NMR for identification of antidiabetic constituents

    Zhao, Yong, Chen, M. X., Kongstad, Kenneth Thermann, Jäger, A. K. & Stærk, Dan, 2017, In: Journal of Agricultural and Food Chemistry. 65, p. 4421-4427

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

  40. Published

    Potential of Myrtus communis Linn. as a bifunctional food: Dual high-resolution PTP1B and α-glucosidase inhibition profiling combined with HPLC-HRMS and NMR for identification of antidiabetic triterpenoids and phloroglucinol derivatives

    Liang, Chao, Stærk, Dan & Kongstad, Kenneth Thermann, 2020, In: Journal of Functional Foods. 64, 10 p., 103623.

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

  41. Published

    Possible artefacts in the in vitro determination of antimalarial activity of natural products that incorporate into lipid bilayer: apparent antiplasmodial activity of dehydroabietinol, a constituent of Hyptis suaveolens

    Ziegler, H. L., Jensen, T. H., Christensen, J., Stærk, Dan, Hägerstrand, H., Sittie, A. A., Olsen, C. E., Staalsø, Trine, Ekpe, P. & Jaroszewski, J. W., 2002, In: Planta Medica. 68, p. 547-549 3 p.

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

  42. Published

    Polypharmacology-labeled molecular networking: An analytical technology workflow for accelerated identification of multiple bioactive constituents in complex extracts

    Zhao, Yong, Gericke, Oliver, Li, T., Kjaerulff, Louise, Kongstad, Kenneth Thermann, Heskes, A. M., Møller, Birger Lindberg, Jørgensen, Flemming Steen, Venter, H., Coriani, S., Semple, S. J. & Stærk, Dan, 2023, In: Analytical Chemistry. 95, 9, p. 4381-4389 9 p.

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

  43. 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

  44. 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

  45. Published

    Picraviane A and B: Nortriterpenes with limonoid-like skeletons containing a heptanolide E-ring system from Picramnia glazioviana

    Gimenes, L., Batista Junior, J. M., dos Santos Junior, F. M., Souza, M. D. S., Luna-Dulcey, L., Ellena, J., Cominetti, M. R., da Silva, M. F. D. G. F., Vieira, P. C., Fernandes, J. B. & Stærk, Dan, 2019, In: Phytochemistry. 163, p. 38-45

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

  46. Published

    Phytochemical investigation of Eremophila spp.

    Bredahl, E. K., Ergin, Y., Kjaerulff, Louise & Stærk, Dan, 2021, p. 1.

    Research output: Contribution to conference › Poster › Research

  47. 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

  48. Published

    Peptides from chicken processing by-product inhibit DPP-IV and promote cellular glucose uptake: potential ingredients for T2D management

    Lima, R. D. C. L., Berg, R. S., Rønning, S. B., Afseth, N. K., Knutsen, S. H., Stærk, Dan & Wubshet, S. G., 2019, In: Food & Function. 10, p. 1619-1628

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

  49. Published

    PTP1B-inhibiting branched-chain fatty acid dimers from Eremophila oppositifolia subsp. angustifolia identified by high-resolution PTP1B inhibition profiling and HPLC-PDA-HRMS-SPE-NMR analysis

    Pedersen, H. A., Ndi, C., Semple, S. J., Buirchell, B., Møller, Birger Lindberg & Stærk, Dan, 7 Apr 2020, In: Journal of Natural Products. 83, p. 1598-1610

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

  50. Published

    Oxidation and cyclization of Casbene in the biosynthesis of Euphorbia factors from mature seeds of Euphorbia lathyris L

    Luo, Dan, Callari, R., Hamberger, B., Wubshet, S. G., Nielsen, M. T., Andersen-Ranberg, Johan, Hallström, B. M., Cozzi, F., Heider, H., Møller, Birger Lindberg, Stærk, Dan & Hamberger, B. R., 2016, In: Proceedings of the National Academy of Sciences of the United States of America. 113, 34, p. E5082-E5089 8 p.

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

  51. Published

    Oxetane ring formation in taxol biosynthesis is catalyzed by a bifunctional cytochrome P450 enzyme

    Zhao, Yong, zpm303, zpm303, Xie, Yuman, Duan, Y. T., Andeadelli, A., Pateraki, Irini, Makris, A. M., Pomorski, Thomas Guenther, Stærk, Dan & Kampranis, Sotirios, 2024, In: Journal of the American Chemical Society. 146, p. 801-810

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

  52. Published

    Orthogonal reversed-phase C18 and pentafluorophenyl HPLC separation for phytochemical profiling of serrulatanes in Eremophila denticulata

    Zhao, Yong, Li, T., Kjaerulff, Louise, Venter, H., Coriani, S., Møller, Birger Lindberg, Semple, S. & Stærk, Dan, 2023, In: Journal of Natural Products. 86, 12, p. 2638-2650

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

  53. Published

    On the biosynthetic origin of carminic acid

    Rasmussen, S. A., Kongstad, Kenneth Thermann, Khorsand-Jamal, P., Kannangara, R. M., Nafisi, M., Van Dam, A., Bennedsen, M., Madsen, B., Okkels, F. T., Gotfredsen, C. H., Stærk, Dan, Thrane, U., Mortensen, U. H., Larsen, T. O. & Frandsen, R. J. N., 2018, In: Insect Biochemistry and Molecular Biology. 96, p. 51-61 11 p.

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

  54. Published

    Når filmens fiktion bliver virkelighed

    Stærk, Dan, Lambert, M., Sairafianpour, M., Clarkson, C. & Jaroszewski, J. W., 2004, In: Lægemiddelforskning. p. 12-13

    Research output: Contribution to journal › Journal article › Communication

  55. Published

    Noter til M25-1 spektroskopi

    Stærk, Dan & Jaroszewski, J. W., 2007, København: Københavns Universitet, Det Farmaceutiske Fakultet, Institut for Medicinalkemi. 49 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  56. 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

  57. 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

  58. 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

  59. Published

    New dammarane and malabaricane triterpenes from Caloncoba echinata

    Ziegler, H. L., Stærk, Dan, Christensen, J., Olsen, C. E., Sittie, A. A. & Jaroszewski, J. W., 2002, In: Journal of Natural Products. 65, p. 1764-1768

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

  60. 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

  61. Published

    Nerylneryl diphosphate is the precursor of serrulatane, viscidane and cembrane-type diterpenoids in Eremophila species

    Gericke, Oliver, Hansen, N. L., Pedersen, G. B., Kjaerulff, Louise, Luo, Dan, Stærk, Dan, Møller, Birger Lindberg, Pateraki, Irini & Heskes, A., 2020, In: B M C Plant Biology. 20, 15 p., 91.

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

  62. Published

    Navigating through chemical space and evolutionary time across the Australian continent in plant genus Eremophila

    Gericke, Oliver, Fowler, R., Heskes, A., Bayly, M., Semple, S., Ndi, C. P., Stærk, Dan, Loland, Claus Juul, Murphy, D. J., Buirchell, B. & Møller, Birger Lindberg, 2021, In: Plant Journal. 108, 2, p. 555-578

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

  63. Published

    NMR-spectroscopic studies, and pharmacological evaluation of alkaloids from some medicinal plants

    Stærk, Dan, 2000, Royal Danish school of Pharmacy.

    Research output: Book/Report › Ph.D. thesis › Research

  64. Published

    NMR-based metabolomics for identification of α-amylase inhibitors in rowan berries (Sorbus spp.)

    Broholm, S. L., Gramsbergen, S., Nyberg, N., Jäger, A. & Stærk, Dan, 2015. 1 p.

    Research output: Contribution to conference › Poster › Research

  65. Published

    NMR-based metabolomics and hyphenated NMR techniques – a perfect match in natural products research

    Vinther, J. M., Wubshet, S. G. & Stærk, Dan, Aug 2015, Ethnopharmacology - a Reader. Heinrich, M. & Jäger, A. K. (eds.). Chichester: Wiley, p. 63-74

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

  66. Published

    NMR for gymnasieelever: forelæsningsslides, tabeller og opgavesamling til en NMR undervisningssession for gymnasieelever

    Stærk, Dan, 2010, Institut for Grundvidenskab og Miljø, Københavns Universitet. 39 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  67. 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

  68. Published

    Molecular phylogenetics as a predictive tool in plant-based drug discovery in the genus Euphorbia L.

    Ernst, M., Saslis Lagoudakis, H., Grace, O. M., Nilsson, N., Simonsen, H. T., Horn, J. W., Stærk, Dan & Rønsted, Nina, 2016, In: Planta Medica. 82, S 01

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  69. Published

    Moderne naturstofkemi: effektiv analyse af naturens stofbiblioteker

    Stærk, Dan, Lemmich, E., Franzyk, Henrik, Lemmich, J. & Jaroszewski, J. W., 2000, In: Lægemiddelforskning. p. 6-7

    Research output: Contribution to journal › Journal article › Communication

  70. 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

  71. 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

  72. Published

    Magnetic ligand fishing as a targeting tool for HPLC-HRMS-SPE-NMR: α-glucosidase inhibitory ligands and alkylresorcinol glycosides from Eugenia catharinae.

    Wubshet, S. G., Brighente, I. M. C., Moaddel, R. & Stærk, Dan, 2015, In: Journal of Natural Products. 78, 11, p. 2657-2665 9 p.

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

  73. Published

    Lægemidler fra naturstoffer: fortid eller fremtid?

    Jaroszewski, J. W., Christensen, Søren Brøgger, Franzyk, Henrik, Stærk, Dan & Ziegler, H., 2008, In: Lægemiddelforskning. p. 4-6

    Research output: Contribution to journal › Journal article › Communication

  74. Published

    Ligand-fishing and bioactivity-correlated metabolomics for accelerated discovery of antidiabetic drug leads

    Nyberg, N. T., Wubshet, S. G., Kongstad, Kenneth Thermann & Stærk, Dan, Dec 2016, In: Planta Medica. 82, S 01

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  75. Published

    Leishmanicidal, antiplasmodial, and cytotoxic activity of novel diterpenoid 1,2-quinones from Perovskia abrotanoides: new source of tanshinones

    Sairafianpour, M., Christensen, J., Stærk, Dan, Budnik, B. A., Kharazmi, A., Bagherzadeh, K. & Jaroszewski, J. W., 2001, In: Journal of Natural Products. 64, 11, p. 1398-1403 5 p.

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

  76. Published

    Leishmanicidal, antiplasmodial and cytotoxic activity of indole alkaloids from Corynanthe pachyceras

    Stærk, Dan, Lemmich, E., Christensen, J., Kharazmi, A., Olsen, C. E. & Jaroszewski, J. W., 2000, In: Planta Medica. 66, p. 531-536

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

  77. Published

    Leishmanicidal and antiplasmodial activity of constituents of Smirnowia iranica

    Sairafianpour, M., Kayser, O., Christensen, J., Asfa, M., Witt, M., Stærk, Dan & Jaroszewski, J. W., 2003, In: Journal of Natural Products. 65, p. 1754-1768

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

  78. 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

  79. Published

    Jagten på bioaktive naturstoffer: Sammenkoblet HPLC-PDA-HRMS-SPE-NMR til hurtig identifikation af bioaktive naturstoffer i komplekse blandinger

    Stærk, Dan, 2021, In: Dansk Kemi. 102, 4, p. 40-44

    Research output: Contribution to journal › Contribution to newspaper - Feature article › Communication

  80. 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

  81. Published

    Isolation, structure elucidation and PTP1B inhibitory activity of serrulatane diterpenoids from the roots of Myoporum insulare

    Kjaerulff, Louise, Jensen, A. B. J., Ndi, C., Semple, S. J., Møller, Birger Lindberg & Stærk, Dan, 2020, In: Phytochemistry Letters. 39, p. 49-56

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

  82. 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

  83. Published

    Isolation and structure elucidation of serrulatane diterpenoids from the roots of Eremophila longifolia

    Rasmussen, L. F., Anton, J., Kjaerulff, Louise & Stærk, Dan, 2021, p. 1.

    Research output: Contribution to conference › Poster › Research

  84. Published

    Isolation and structure elucidation of cyclopeptide alkaloids from Ziziphus nummularia and Ziziphus spina-christi by HPLC-DAD-MS and HPLC-PDA-HRMS-SPE-NMR

    Tuenter, E., Foubert, K., Stærk, Dan, Apers, S. & Pieters, L., 2017, In: Phytochemistry. 138, p. 163-169

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

  85. Published

    Isolation and structure elucidation of caryophyllane sesquiterpenoids from leaves of Eremophila spathulata

    Bredahl, E. K., Kjaerulff, Louise, Ndi, C., Semple, S., Buirchell, B., Møller, Birger Lindberg & Stærk, Dan, 2022, In: Phytochemistry Letters. 47, p. 156-163

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

  86. Published

    Investigation of the mechanism and chemistry underlying Staphylococcus aureus' ability to inhibit Pseudomonas aeruginosa growth in vitro

    Kvich, Lasse Andersson, Crone, S. G., Christensen, M. H., Lima, R. D. C. L., Alhede, M., Alhede, M., Stærk, Dan & Bjarnsholt, Thomas, 2022, In: Journal of Bacteriology. 204, 11, 16 p.

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

  87. Published

    Investigation of skin permeation, ex vivo inhibition of venom-induced tissue destruction, and wound healing of African plants used against snakebites

    Schmidt, M. M., Stærk, Dan, Nielsen, Hanne Mørck, Brandner, J. M., Diallo, D., Kusamba Zacharie, C., Van Staden, J. & Jäger, A., 2015, In: Journal of Ethnopharmacology. 165, p. 1-8

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

  88. Published

    Investigation of medicinal plants from Madagascar against DPP-IV linked to type 2 diabetes

    Beidokhti, M. N., Lobbens, E. S. B., Rasoavaivo, P., Jäger, A. K. & Stærk, Dan, Mar 2018, In: South African Journal of Botany. 115, p. 113-119

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

  89. Published

    Investigation of antidiabetic potential of Phyllanthus niruri L. using assays for α-glucosidase, muscle glucose transport, liver glucose production, and adipogenesis

    Beidokhti, M. N., Andersen, M. V., Eid, H. M., Villavicencio, M. L. S., Stærk, Dan, Haddad, P. S. & Jäger, A. K., 2017, In: Biochemical and Biophysical Research Communications. 493, 1, p. 869-874

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

  90. Published

    Integrating pathway elucidation with yeast engineering to produce polpunonic acid the precursor of the anti-obesity agent celastrol

    Hansen, N. L., Miettinen, Karel, Zhao, Yong, Ignea, C., Andreadeli, A., Raadam, Morten Hessellund, Makris, A. M., Møller, Birger Lindberg, Stærk, Dan, Bak, Søren & Kampranis, Sotirios, 2020, In: Microbial Cell Factories. 19, 17 p., 15.

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

  91. Published

    Intact penetratin metabolite permeates across Caco-2 monolayers

    Birch, D., Christensen, M. V., Stærk, Dan, Franzyk, Henrik & Nielsen, Hanne Mørck, 2015.

    Research output: Contribution to conference › Poster › Research

  92. Published

    Insects as sources for sustainable peptide drugs against type 2 diabetes

    Didriksen, A. H., Petersen, M. J. & Stærk, Dan, 8 Jun 2021. 1 p.

    Research output: Contribution to conference › Poster › Research

  93. Published

    Inhibitory potential of 40 medicinal plant extracts from Madagascar against enzymes linked to type 2 diabetes

    Beidokhti, M. N., Lobbens, E. S., Rasoavaivo, P., Stærk, Dan & Jäger, A. K., 26 Aug 2015.

    Research output: Contribution to conference › Poster › Research

  94. Published

    Inhibition of α-glucosidase activity by selected edible seaweeds and fucoxanthin

    Zaharudin, N. B., Stærk, Dan & Dragsted, Lars Ove, 2019, In: Food Chemistry. 270, p. 481-486 6 p.

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

  95. Published

    Incorporation of the crossfire Beilstein database into the organic chemistry curriculum at the Royal Danish School of Pharmacy

    Christensen, Søren Brøgger, Franzyk, Henrik, Frølund, Bente, Jaroszewski, J. W., Stærk, Dan & Vedsø, P., 1 Jun 2002, In: Journal of Chemical Education. 79, 6, 1 p.

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

  96. Published

    Incorporation of the Cross Fire Beilstein database in the organic chemistry curriculum at the Royal Danish School of Pharmacy

    Christensen, Søren Brøgger, Franzyk, Henrik, Frølund, Bente, Jaroszewski, J. W., Stærk, Dan & Vedsø, P., 2002, In: Journal of Chemical Education. 79, p. 765-768

    Research output: Contribution to journal › Journal article › Research

  97. Published

    In vitro cytotoxic activity of phenanthroindolizidine alkaloids from Cynanchum vincetoxicum and Tylophora tanakae against drug-sensitive and multidrug-resistant cancer cells

    Stærk, Dan, Lykkeberg, A. K., Christensen, J., Budnik, B. A., Abe, F. & Jaroszewski, J. W., 2002, In: Journal of Natural Products. 65, p. 1299-1302

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

  98. Published

    Improved solid-phase synthesis and study of arylopeptoids with conformation-directing side chains

    Hjelmgaard, T., Faure, S., De Santis, E., Stærk, Dan, Alexander, B. D., Edwards, A. A., Taillefumier, C. & Nielsen, J., 2012, In: Tetrahedron. 68, 23, p. 4444-4454 11 p.

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

  99. Published

    Immobilized α-amylase magnetic beads for ligand fishing: Proof of concept and identification of α-amylase inhibitors in Ginkgo biloba

    Petersen, M. J., Lima, R. D. C. L., Kjaerulff, Louise & Stærk, Dan, 2019, In: Phytochemistry. 164, p. 94-101

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

  100. Published

    Identification of α-glucosidase inhibitors in apple peel - a chemometric approach

    Schmidt, J. S., Daykin, C. A. & Stærk, Dan, 2012. 1 p.

    Research output: Contribution to conference › Poster › Research

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