Publikationen

2012

• PatMining-Wege zur Erschließung textueller Patentinformationen für das Technologie-Monitoring

  Gerken, J. M. (2012). PatMining-Wege zur Erschließung textueller Patentinformationen für das Technologie-Monitoring. Universität Bremen, Bremen.

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    • Gerken, Jan

  • Abteilung/Einrichtung

    • FLAIR - Flensburg Artificial Intelligence Research

  • Forschungsfeld

    • Innovation und Wachstum, Nachhaltigkeit
    • Data Science und Künstliche Intelligenz

  • Fachbereich

    • Fachbereich 4: Wirtschaft

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  • 2012
  • Thesis
  • • Jan Gerken

• Measuring textual patent similarity on the basis of combined concepts: design decisions and their consequences

  Moehrle, M. G., & Gerken, J. M. (2012). Measuring textual patent similarity on the basis of combined concepts: design decisions and their consequences. Scientometrics, 91, 805–826.

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    • Gerken, Jan

  • Abteilung/Einrichtung

    • FLAIR - Flensburg Artificial Intelligence Research

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    • Data Science und Künstliche Intelligenz

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    • Fachbereich 4: Wirtschaft

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  • 2012
  • Journal Article
  • • Martin Moehrle
    • Jan Gerken

• Dual effect of macroalgal extracts on growth of bacteria in Western Baltic Sea

  Goecke, F. R., Labes, A. ., Wiese, J. ., & Imhoff, J. F. (2012). Dual effect of macroalgal extracts on growth of bacteria in Western Baltic Sea. Revista De Biologia Marina Y Oceanografia, 47, 75–86. Abgerufen von http://oceanrep.geomar.de/14347/

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  It is assumed that the biological characteristics of the bacterial strains used in bioactivity tests have strong influences on their susceptibility against antibacterial compounds. Therefore, the selection of bacterial test strains may rush conclusions on the effect of macroalgal extracts and metabolites on bacteria. To proof this assumption, we have analysed the biological activities of crude extracts of 16 macroalgae from the coastal waters of Kiel Fjord (Germany), and tested their effect against a panel of 10 microorganisms comprising 5 standard test strains of bacteria and 5 macroalga-associated bacteria. Fourteen macroalgae (88\%) displayed antibacterial activity against at least one of the test strains. Despite the high proportion of extracts exhibiting antimicrobial activity, only 3 strains of the standard set were susceptible to macroalgal extracts and the overall activities were low (less than 80\% of inhibition). Most of active extracts inhibited Bacillus subtilis, while no inhibition effects were found against Erwinia amylovora, Escherichia coli, and the macroalga-associated bacteria. In contrast, all extracts produced stimulatory growth effects of at least two of the tested bacteria. While growth stimulation of standard set of bacteria was rare (22.5\% of total tests) with exception of plant pathogen Erwinia amylovora and two cases of Staphylococcus lentus, it was common among bacteria associated with macroalgae (77.5\%), especially Bacillus algicola, Pseudomonas marincola and both algal-pathogenic bacteria. This study demonstrates that macroalgal extracts can display different effects, i.e., inhibition or stimulation of bacterial growth depending on the origin of the test strains, which are derived from a standard panel or from the marine environment, respectively.

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  • 2012
  • Journal Article
  • • Franz Goecke
    • Antje Labes
    • Jutta Wiese
    • Johannes Imhoff
  • • Microbiology
    • Marine algae
    • antibacterial activities
    • stimulation of bacterial growth
    • Kiel fjord

• Phylogenetic relationships among bacteria described from algae: Algae are a distinct source of new taxa

  Goecke, F. R., Wiese, J. ., Labes, A. ., & Imhoff, J. F. (2012). Phylogenetic relationships among bacteria described from algae: Algae are a distinct source of new taxa. In 3. Latin-American Congress of Algal Biotechnology. Abgerufen von http://oceanrep.geomar.de/19547/

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  • 2012
  • Conference Paper
  • • Franz Goecke
    • Jutta Wiese
    • Antje Labes
    • Johannes Imhoff

• Planung, Einsatz und Entwicklung thermischer Kraftwerke mittlerer Größe unter neuen energiewirtschaftlichen Rahmenbedingungen.

  Tuschy, I. ., Render, M. ., & Vogelsang, A. . (2012). Planung, Einsatz und Entwicklung thermischer Kraftwerke mittlerer Größe unter neuen energiewirtschaftlichen Rahmenbedingungen. In M. . Beckmann & A. . Hurtado (Hrsg.), Kraftwerkstechnik (Bd. 4). Neuruppin: TK-Verlag.

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    • Tuschy, Ilja

  • Fachbereich

    • Fachbereich 2: Energy and Life Science

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  • 2012
  • Conference Paper
  • • Ilja Tuschy
    • Maik Render
    • Aiko Vogelsang
    • M. Beckmann
    • A. Hurtado

• Agile software development practice adoption survey

  Kurapati, N. ., Manyam, V. S. C., & Petersen, K. . (2012). Agile software development practice adoption survey. In International Conference on Agile Software Development (S. 16–30).

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    • Petersen, Kai

  • Abteilung/Einrichtung

    • FLAIR - Flensburg Artificial Intelligence Research

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  • 2012
  • Conference Paper
  • • Narendra Kurapati
    • Venkata Manyam
    • Kai Petersen

• Bio-mining the microbial treasures of the ocean. Early drug discovery and models for entering pharmaceutical pipelines

  Labes, A. . (2012). Bio-mining the microbial treasures of the ocean. Early drug discovery and models for entering pharmaceutical pipelines. In Rende-vouz de Concarneau. Abgerufen von http://oceanrep.geomar.de/15366/

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  • 2012
  • Conference Paper
  • • Antje Labes

• Wirtschaftsinformatik-Textbasierte Patentinformationen

  Moehrle, M. G., Gerken, J. M., & Walter, L. . (2012). Wirtschaftsinformatik-Textbasierte Patentinformationen. Wirtschaftsstudium-WISU, 41, 91.

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    • Gerken, Jan

  • Abteilung/Einrichtung

    • FLAIR - Flensburg Artificial Intelligence Research

  • Forschungsfeld

    • Innovation und Wachstum, Nachhaltigkeit
    • Data Science und Künstliche Intelligenz

  • Fachbereich

    • Fachbereich 4: Wirtschaft

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  • 2012
  • Journal Article
  • • Martin Moehrle
    • Jan Gerken
    • Lothar Walter

• First crenarchaeal chitinase found in Sulfolobus tokodaii

  Staufenberger, T. ., Imhoff, J. F., & Labes, A. . (2012). First crenarchaeal chitinase found in Sulfolobus tokodaii. Microbiological Research, 167, 262–269. Abgerufen von http://oceanrep.geomar.de/12897/

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  This is the first description of a functional chitinase gene within the crenarchaeotes. Here we report of the heterologues expression of the ORF BAB65950 from Sulfolobus tokodaii in E. coli. The resulting protein degraded chitin and was hence classified as chitinase (EC 3.2.4.14). The protein characterization revealed a specific activity of 75 mU/mg using colloidal chitin as substrate. The optimal activity of the enzyme was measured at pH 2.5 and 70 ?C, respectively. A dimeric enzyme configuration is proposed. According to amino acid sequence similarities chitinases are attributed to the two glycoside hydrolase families 18 and 19. The derived amino acid sequence of the S. tokodaii gene differed from sequences of these two glycoside hydrolase families. However, within a phylogenetic tree of protein sequences, the crenarchaeal sequence of S. tokodaii clustered in close proximity to members of the glycoside hydrolase family 18.

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  • 2012
  • Journal Article
  • • Tim Staufenberger
    • Johannes Imhoff
    • Antje Labes
  • • Microbiology
    • Chitinase
    • Glycoside hydrolase
    • Crenarchaea
    • Protein overexpression

• Phylogenetic relationships among bacteria described from algae: Distinct source of new taxa

  Goecke, F. R., Thiel, V. ., Wiese, J. ., Labes, A. ., & Imhoff, J. F. (2012). Phylogenetic relationships among bacteria described from algae: Distinct source of new taxa. In Jahrestagung der Vereinigung für Allgemeine und Angewandte Mikrobiologie. Abgerufen von http://oceanrep.geomar.de/19548/

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  • 2012
  • Conference Paper
  • • Franz Goecke
    • Vera Thiel
    • Jutta Wiese
    • Antje Labes
    • Johannes Imhoff