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Number of items: 32.

Article
Schmidt, G. , Timm, C. , Grube, A. , Volk, C. A. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2012)
Viscosalines B1,2 and E1,2: Challenging New 3-Alkyl Pyridinium Alkaloids from the Marine Sponge Haliclona viscosa ,
Chemistry - A European Journal, 18 (26), pp. 8180-8189 .
doi:10.1002/chem.201101362 , hdl:10013/epic.42510

Article
Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Grube, A. , Klings, K. W. , Pawlik, J. R. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2010)
Siphonodictyal B1 from a marine sponge increases intracellular calcium levels comparable to the Ca2+-ATPase (SERCA) inhibitor thapsigargin ,
Marine Biotechnology. 12:267272 .
doi:10.1007/s10126-009-9206-1 , hdl:10013/epic.32994
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Article
Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Grube, A. , Klings, K. W. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2009)
Corrigendum to "Ageladine A, a pyrrole-imidazole alkaloid from marine sponges, is a pH sensitive membrane permeable dye"[Biochem. Biophys. Res. Commun. 373 (2008) 419422] ,
Biochemical and Biophysical Research Communications 383(4) .
doi:10.1016/j.bbrc.2009.04.068 , hdl:10013/epic.32828
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Article
Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Grube, A. , Klings, K. W. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2008)
Ageladine A, a pyrrole-imidazole alkaloid from marine sponges, is a pH sensitive membrane permeable dye ,
Biochemical and Biophysical Research Communications, 373 (3), pp. 419-422 .
doi:10.1016/j.bbrc.2008.06.056 , hdl:10013/epic.30867
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Conference -Poster
Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Grube, A. , Klings, K. W. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2008)
An alkaloid from marine Agelas sponges acts as sensitive cell permeable pH-sensor ,
FENS Forum Abstracts Vol.4 027.7. .
hdl:10013/epic.30922

Conference -Poster
Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Grube, A. , Klings, K. W. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2008)
A natural product from marine Agelas sponges is a cell permeable pH-sensor ,
XIII International Congress of Histochemistry and Cytochemistry.-27. August. 2008. Folia Histochemica Et Cytobiologica 45 Suppl. 2 P.2.41. .
hdl:10013/epic.31091

Article
Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Grube, A. , Klings, K. W. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
Disturbance of Voltage Induced Cellular Calcium Entry by Marine Dimeric and Tetrameric Pyrrole-Imidazole Alkaloids ,
Toxicon. 50, pp. 490-497 .
doi:10.1016/j.toxicon.2007.04.015 , hdl:10013/epic.26645
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Article
Grube, A. , Maier, T. , Kostrzewa, M. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
MS-guided Fractionation as a Fast Way to the Identification of New Natural Products MALDI-TOF-MS Screening of the Marine Sponge Stylissa caribica ,
Z. Naturforsch. 62b, pp. 600-604 .
hdl:10013/epic.26087

Article
Grube, A. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
Structural Assignment of Tetrabromostyloguanidine: Does the Relative Configuration of the Palau´amines Need Revision? ,
Angew. Chem. Int. Ed. 46, pp. 2320-2324 .
doi:10.1002/anie.200604076 , hdl:10013/epic.26088

Article
Grube, A. , Assmann, M. , Lichte, E. , Sasse, F. , Pawlik, J. R. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
Bioactive Metabolites from the Caribbean Sponge Aka coralliphagum ,
J. Nat. Prod., 70 , pp. 504-509 .
doi:10.1021/np0603018 , hdl:10013/epic.26090

Article
Schmidt, G. , Grube, A. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
Stylissamides A-D - New Proline-Containing Cyclic Heptapeptides from the Marine Sponge Stylissa caribica ,
European Journal of Organic Chemistry, 2007 (24), pp. 4103-4110 .
doi:10.1002/ejoc.200700013 , hdl:10013/epic.27107

Conference -Poster
Grube, A. , Assmann, M. , Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Sasse, F. , Pawlik, J. R. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
New Bioactive Sesquiterpene-Hydroquinones from the Caribbean Sponge Aka coralliphagum ,
12th International Symposium on Marine Natural Products, Queenstown, New Zealand, February 4-9, Poster PO86-OR, Book of Abstracts pg. 154. .
hdl:10013/epic.26376

Conference -Poster
Timm, C. , Grube, A. , Volk, C. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
New Viscosaline Homologoues from the Arctic Sponge Haliclona viscosa – Structure Elucidation and Synthesis ,
12th International Symposium on Marine Natural Products, Queenstown, New Zealand, February 4-9, Poster PO37, Book of Abstracts pg. 111. .
hdl:10013/epic.26377

Conference -Talk
Grube, A. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
A New Palau’amine Congener Isolated from the Caribbean Sponge Stylissa caribica – Indication for a New Relative Configuration ,
12th International Symposium on Marine Natural Products, Queenstown, New Zealand, February 4-9, Vortrag OR6, Book of Abstracts pg. 16. .
hdl:10013/epic.26378

Conference -Poster
Grube, A. , Schmidt, G. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
New Cyclic Heptapeptides and Pyrrole-Imidazole Alkaloids from the Caribbean Sponge Stylissa caribica. ,
12th International Symposium on Marine Natural Products, Queenstown, New Zealand, February 4-9, Poster PO36, Book of Abstracts pg. 110.. .
hdl:10013/epic.26624

Thesis -PhD
Grube, A. (2007)
New Insights in the Chemical Biology of Tropical Sponges ,
PhD thesis, TU Braunschweig.
hdl:10013/epic.33636

Article
Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341, Grube, A. , Seiple, I. B. and Baran, P. S. (2007)
The Pursuit of Palauamine ,
Angew. Chem. Int. Ed. 46, pp. 6586-6594 .
doi:10.1002/anie.200701798 , hdl:10013/epic.27964

Article
Grube, A. , Immel, S. , Baran, P. S. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
Massadine Chloride: a Biosynthetic Precursor of Massadine and Stylissadine ,
Angewandte Chemie International Edition, 46 (35), pp. 6721-6724 .
doi:10.1002/anie.200701935 , hdl:10013/epic.27965

Conference -Poster
Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902, Grube, A. , Klings, K. W. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
Dimeric and tetrameric pyrrole-imidazole alkaloids from marine sponges inhibit voltage dependent cellular calcium entry in neuroendocrine cells ,
100th annual meeting of the German Zoological society (DZG) in Köln, Sept. 2007. .
hdl:10013/epic.27849

Conference -Poster
Schmidt, G. , Grube, A. , Frickenhaus, S. ORCID: https://orcid.org/0000-0002-0356-9791 and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2007)
Conformational Studies on Stylissamides, Cyclic Heptapeptides from Stylissa caribica ,
5th European Conference on Marine Natural Products, Ischia, Naples, Italy, September 15-22, Poster P44, Book of Abstracts pg. 141. .
hdl:10013/epic.27987

Article
Grube, A. , Timm, C. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2006)
Synthesis and Mass Spectrometric Analysis of cyclostellettaminesH, I, K and L ,
European Journal of Organic Chemistry,(5), pp. 1285-1295 .
doi:10.1002/ejoc.200500208 , hdl:10013/epic.22753

Article
Grube, A. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2006)
Stylissadines A and B: The First Tetrameric Pyrrole-Imidazole Alkaloids ,
Organic letters, 8 (21), pp. 4675-4678 .
doi:10.1021/ol061317s , hdl:10013/epic.23200

Article
Grube, A. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2006)
Oxocyclostylidol, an Intramolecular Cyclized Oroidin Derivative from the Marine Sponge Stylissa caribica ,
Journal of Natural Products, 69 (8), pp. 1212-1214 .
doi:10.1021/np050408f , hdl:10013/epic.23500
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Article
Grube, A. , Lichte, E. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2006)
Isolation and Synthesis of 4-Bromopyrrole-2-carboxyarginine and 4-Bromopyrrole-2-carboxy-N(ε)-lysine from the Marine Sponge Stylissa caribica ,
Journal of Natural Products, 69 (1), pp. 125-127 .
doi:10.1021/np0502746 , hdl:10013/epic.23503

Article
de Oliveira, J. H. H. L. , Seleghim, M. H. R. , Timm, C. , Grube, A. , Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341, Nascimento, G. G. F. , Martins, A. C. T. , Silva, E. G. O. , de Souza, A. O. , Galetti, F. C. S. , Minarini, P. R. R. , Silva, C. L. , Hajdu, E. and Berlinck, R. G. S. (2006)
Antimicrobial and antimycobacterial activity of cyclostellettamine alkaloids from the sponge Pachychalina sp. ,
Marine Drugs, 4 , pp. 1-8 .
hdl:10013/epic.24243

Conference -Invited talk
Grube, A. , Timm, C. , Berlinck, R. G. S. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2006)
3-Alkylpyridinium Alkaloide aus marinen Schwämmen: Anwendung massenspektrometrischer Verfahren zur Strukturaufklärung ,
Bruker Daltonics Usermeeting, 28-29 March, Bad Schwalbach, Germany. .
hdl:10013/epic.25093

Conference -Poster
Grube, A. , Bickmeyer, U. ORCID: https://orcid.org/0000-0002-5351-2902 and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2006)
New Pyrrole-Imidazole Alkaloids from the Sponge Stylissa caribica ,
Poster P10 (book of abstracts pg. 36), 3rd Status Seminar Chemical Biology, December 11-12, 2006, Frankfurt/Main. .
hdl:10013/epic.26085

Conference -Poster
Grube, A. , Maier, T. , Kostrzewa, M. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2005)
MS-guided fractionation, a fast way to new natural products ,
4th European Conference on Marine Natural Products(Book of Abstracts Page P68), Sep. 12 - 16, Paris, France. .
hdl:10013/epic.23208

Conference -Poster
Grube, A. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2005)
New metabolites from the Caribbean sponge Stylissa caribica ,
4th European Conference on Marine Natural Products (Book of Abstracts Page P69), Sep. 12 - 16, Paris, France. .
hdl:10013/epic.23209

Conference -Poster
Grube, A. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2005)
Isolation and Structure Elucidation of New Bromopyrrole Alkaloids from the Caribbean Sponge Stylissa caribica ,
Status seminar ChemBioNet, Chemical Biology in Germany: Meeting Europe (Book of Abstracts Pages 38-39), Dec. 5 - 6, 2005, Frankfurt/Main, Germany. .
hdl:10013/epic.24245

Article
de Oliveira, J. H. H. L. , Grube, A. , Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341, Berlinck, R. G. S. , Macedo, M. L. , Ferreira, A. G. , Hajdu, E. and Muricy, G. (2004)
Ingenamine E and Cyclostellettamines G-K from the new Brazilian species of marine sponge Pachychalina sp. ,
Journal of Natural Products, 67 , pp. 1685-1689 .
doi:10.1021/np0498713 , hdl:10013/epic.21871
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Article
Lindel, T. , Breckle, G. , Hochgürtel, M. , Volk, C. , Grube, A. and Köck, M. ORCID: https://orcid.org/0000-0003-0211-6341 (2004)
Decomposition of oroidin in DMSO/TFA ,
Tetrahedron Letters, 45 , pp. 8149-8152 .
doi:10.1016/j.tetlet.2004.09.048 , hdl:10013/epic.21877
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