Aarhus University Seal / Aarhus Universitets segl

Klaus Koren

  1. 2020
  2. Published

    Evaluation of Ebselen-azadioxatriangulenium as redox-sensitive fluorescent intracellular probe and as indicator within a planar redox optode. / Koren, Klaus; Gravesen Salinas, Nina Katharina; Santella, Marco; Moßhammer, Maria; Müller, Marie Caroline; Dmitriev, Ruslan I.; Borisov, Sergey M.; Kühl, Michael; Laursen, Bo W.

    In: Dyes and Pigments, Vol. 173, 107866, 01.02.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  3. 2019
  4. E-pub ahead of print

    Strong leaf surface basification and CO2 limitation of seagrass induced by epiphytic biofilm microenvironments. / Brodersen, Kasper Elgetti; Koren, Klaus; Revsbech, Niels Peter; Kühl, Michael.

    In: Plant Cell and Environment, 08.2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  5. Published

    The rhizosphere of aquatic plants is a habitat for cable bacteria. / Scholz, Vincent V.; Müller, Hubert; Koren, Klaus; Nielsen, Lars Peter; Meckenstock, Rainer U.

    In: FEMS Microbiology Ecology, Vol. 95, No. 6, 01.06.2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  6. Published

    The electric rhizosphere of aquatic plants. / Scholz, Vincent Valentin; Nielsen, Lars Peter; Meckenstock, Rainer U.; Müller, Hubert; Koren, Klaus; Marshall, Ian P.G.

    2019. Abstract from Electromicrobiology 2019, Aarhus, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  7. Published

    Nanoparticle- and microparticle-based luminescence imaging of chemical species and temperature in aquatic systems : a review. / Moßhammer, Maria; Brodersen, Kasper Elgetti; Kühl, Michael; Koren, Klaus.

    In: Microchimica Acta, Vol. 186, No. 2, 126, 01.02.2019, p. 126.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperReviewResearchpeer-review

  8. Published

    Luminescence Lifetime Imaging of Chemical Sensors - A Comparison between Time-Domain and Frequency-Domain Based Camera Systems. / Koren, Klaus; Moßhammer, Maria; Scholz, Vincent V.; Borisov, Sergey M.; Holst, Gerhard; Kühl, Michael.

    In: Analytical Chemistry, Vol. 91, No. 5, 2019, p. 3233-3238.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  9. 2018
  10. Published

    Extracellular hydrogen peroxide measurements using a flow injection system in combination with microdialysis probes – Potential and challenges. / Moßhammer, Maria; Schrameyer, Verena; Jensen, Peter; Koren, Klaus; Kühl, Michael.

    In: Free Radical Biology and Medicine, Vol. 128, 20.11.2018, p. 111-123.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  11. Published

    Functionalized Bioink with Optical Sensor Nanoparticles for O2 Imaging in 3D-Bioprinted Constructs. / Trampe, Erik; Koren, Klaus; Akkineni, Ashwini Rahul; Senwitz, Christian; Krujatz, Felix; Lode, Anja; Gelinsky, Michael; Kühl, Michael.

    In: Advanced Functional Materials, Vol. 28, No. 45, 1804411, 07.11.2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  12. Published

    In Vitro Community Synergy between Bacterial Soil Isolates Can Be Facilitated by pH Stabilization of the Environment. / Herschend, Jakob; Koren, Klaus; Roder, Henriette L.; Brejnrod, Asker; Kuhl, Michael; Burmolle, Mette.

    In: Applied and Environmental Microbiology, Vol. 84, No. 21, e01450-18, 11.2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  13. Published

    Tools for studying growth patterns and chemical dynamics of aggregated Pseudomonas aeruginosa exposed to different electron acceptors in an alginate bead model. / Sønderholm, Majken; Koren, Klaus; Wangpraseurt, Daniel; Jensen, Peter Østrup; Kolpen, Mette; Kragh, Kasper Nørskov; Bjarnsholt, Thomas; Kühl, Michael .

    In: npj Biofilms and Microbiomes, Vol. 4, 3, 02.2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  14. Published

    Optical O2 Sensing in Aquatic Systems and Organisms. / Koren, Klaus.

    Quenched-phosphorescence Detection of Molecular Oxygen: Applications in Life Sciences. 11. ed. Royal Society of Chemistry, 2018. p. 145-174 (RSC Detection Science).

    Research output: Contribution to book/anthology/report/proceedingBook chapterResearch

  15. 2017
  16. Published

    Seagrass-Mediated Phosphorus and Iron Solubilization in Tropical Sediments. / Brodersen, Kasper Elgetti; Koren, Klaus; Moßhammer, Maria; Ralph, Peter J.; Kühl, Michael; Santner, Jakob.

    In: Environmental Science and Technology, Vol. 51, No. 24, 19.12.2017, p. 14155-14163.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  17. Published

    Possibilities and challenges for quantitative optical sensing of hydrogen peroxide. / Moßhammer, Maria; Kühl, Michael; Koren, Klaus.

    In: Chemosensors, Vol. 5, No. 4, 28, 01.12.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperReviewResearchpeer-review

  18. Published

    Hyperbaric oxygen sensitizes anoxic Pseudomonas aeruginosa biofilm to ciprofloxacin. / Kolpen, Mette; Lerche, Christian J.; Kragh, Kasper N.; Sams, Thomas; Koren, Klaus; Jensen, Anna S.; Line, Laura; Bjarnsholt, Thomas; Ciofu, Oana; Moser, Claus; Kühl, Michael; Høiby, Niels; Jensen, Peter Østrup.

    In: Antimicrobial Agents and Chemotherapy, Vol. 61, No. 11, 01024-17, 11.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  19. Published

    Pseudomonas aeruginosa aggregate formation in an alginate bead model system exhibits in vivo-like characteristics. / Sønderholm, Majken; Kragh, Kasper Nørskov; Koren, Klaus; Jakobsen, Tim Holm; Darch, Sophie E.; Alhede, Maria; Jensen, Peter Østrup; Whiteley, Marvin; Kühl, Michael; Bjarnsholt, Thomas.

    In: Applied and Environmental Microbiology, Vol. 83, No. 9, e00113-17, 01.05.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  20. 2016
  21. Published

    In-vivo imaging of O2 dynamics on coral surfaces spray-painted with sensor nanoparticles. / Koren, Klaus; Jakobsen, Sofie L.; Kühl, Michael.

    In: Sensors and Actuators, B: Chemical, Vol. 237, 01.12.2016, p. 1095-1101.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  22. Published

    Development of a rechargeable optical hydrogen peroxide sensor-sensor design and biological application. / Koren, Klaus; Jensen, Peter; Kühl, Michael.

    In: Analyst, Vol. 141, No. 14, 21.07.2016, p. 4332-4339.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  23. Published

    Nanoparticle-based measurements of pH and O2 dynamics in the rhizosphere of Zostera marina L. effects of temperature elevation and light-dark transitions. / Elgetti Brodersen, Kasper; Koren, Klaus; Lichtenberg, Mads; Kühl, Michael.

    In: Plant Cell and Environment, Vol. 39, No. 7, 01.07.2016, p. 1619-1630.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  24. Published

    Design and Application of an Optical Sensor for Simultaneous Imaging of pH and Dissolved O2 with Low Cross-Talk. / Moßhammer, Maria; Strobl, Martin; Kühl, Michael; Klimant, Ingo; Borisov, Sergey M.; Koren, Klaus.

    In: ACS Sensors, Vol. 1, No. 6, 24.06.2016, p. 681-687.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  25. 2015
  26. Published

    Optical sensor nanoparticles in artificial sediments-a new tool to visualize O2 dynamics around the rhizome and roots of seagrasses. / Koren, Klaus; Brodersen, Kasper E.; Jakobsen, Sofie L.; Kühl, Michael.

    In: Environmental Science and Technology, Vol. 49, No. 4, 17.02.2015, p. 2286-2292.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  27. Published

    A simple laminated paper-based sensor for temperature sensing and imaging. / Koren, Klaus; Kühl, Michael.

    In: Sensors and Actuators, B: Chemical, Vol. 210, 2015, p. 124-128.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  28. 2014
  29. Published

    Robust optical oxygen sensors based on polymer-bound NIR-emitting platinum(II)-benzoporphyrins. / Hutter, L. H.; Müller, B. J.; Koren, K.; Borisov, S. M.; Klimant, I.

    In: Journal of Materials Chemistry C, Vol. 2, No. 36, 28.09.2014, p. 7589-7598.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  30. Published

    Small molecule phosphorescent probes for O2 imaging in 3D tissue models. / Dmitriev, Ruslan I.; Kondrashina, Alina V.; Koren, Klaus; Klimant, Ingo; Zhdanov, Alexander V.; Pakan, Janelle M.P.; McDermott, Kieran W.; Papkovsky, Dmitri B.

    In: Biomaterials Science, Vol. 2, No. 6, 2014, p. 853-866.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  31. 2013
  32. Published

    Enzyme-based online monitoring and measurement of antioxidant activity using an optical oxygen sensor coupled to an HPLC system. / Quaranta, Michela; Nugroho Prasetyo, Endry; Koren, Klaus; Nyanhongo, Gibson S.; Murkovic, Michael; Klimant, Ingo; Guebitz, Georg M.

    In: Analytical and Bioanalytical Chemistry, Vol. 405, No. 7, 03.2013, p. 2371-2377.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  33. Published

    Banning toxic heavy-metal catalysts from paints : Enzymatic cross-linking of alkyd resins. / Greimel, Katrin J.; Perz, Veronika; Koren, Klaus; Feola, Roland; Temel, Armin; Sohar, Christian; Herrero Acero, Enrique; Klimant, Ingo; Guebitz, Georg M.

    In: Green Chemistry, Vol. 15, No. 2, 2013, p. 381-388.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  34. Published

    Tuning the dynamic range and sensitivity of optical oxygen-sensors by employing differently substituted polystyrene-derivatives. / Koren, Klaus; Hutter, Lukas; Enko, Barbara; Pein, Andreas; Borisov, Sergey M.; Klimant, Ingo.

    In: Sensors and Actuators, B: Chemical, Vol. 176, 2013, p. 344-350.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  35. 2012
  36. Published

    Stable optical oxygen sensing materials based on click-coupling of fluorinated platinum(II) and palladium(II) porphyrins - A convenient way to eliminate dye migration and leaching. / Koren, Klaus; Borisov, Sergey M.; Klimant, Ingo.

    In: Sensors and Actuators, B: Chemical, Vol. 169, 05.07.2012, p. 173-181.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  37. Published

    Complexes of IrIII-Octaethylporphyrin with Peptides as Probes for Sensing Cellular O2. / Koren, Klaus; Dmitriev, Ruslan I.; Borisov, Sergey M.; Papkovsky, Dmitri B.; Klimant, Ingo.

    In: ChemBioChem, Vol. 13, No. 8, 05.2012, p. 1184-1190.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  38. 2011
  39. Published

    Strongly phosphorescent iridium(III)-porphyrins - New oxygen indicators with tuneable photophysical properties and functionalities. / Koren, Klaus; Borisov, Sergey M.; Saf, Robert; Klimant, Ingo.

    In: European Journal of Inorganic Chemistry, No. 10, 04.2011, p. 1531-1534.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  40. 2010
  41. Published

    Multifunctional magnetic optical sensor particles with tunable sizes for monitoring metabolic parameters and as a basis for nanotherapeutics. / Mistlberger, Günter; Koren, Klaus; Scheucher, Elisabeth; Aigner, Daniel; Borisov, Sergey M.; Zankel, Armin; Pölt, Peter; Klimant, Ingo.

    In: Advanced Functional Materials, Vol. 20, No. 11, 09.06.2010, p. 1842-1851.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  42. Published

    Characterization of micrometer-sized magnetic optical sensor particles produced via spray-drying. / Koren, Klaus; Mistlberger, Günter; Aigner, Daniel; Borisov, Sergey M.; Zankel, Armin; Pölt, Peter; Klimant, Ingo.

    In: Monatshefte fur Chemie, Vol. 141, No. 6, 06.2010, p. 691-697.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  43. Published

    Magnetically remote-controlled optical sensor spheres for monitoring oxygen or pH. / Mistlberger, Günter; Koren, Klaus; Borisov, Sergey M.; Klimant, Ingo.

    In: Analytical Chemistry, Vol. 82, No. 5, 01.03.2010, p. 2124-2128.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  44. Published

    Ferromagnetic and permanent magnetic spheres as platform for single- and dual-analyte optical sensors. / Koren, Klaus; Mistlberger, Günter; Borisov, Sergey M.; Klimant, Ingo.

    In: Procedia Engineering, Vol. 5, 2010, p. 997-1000.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  45. 2009
  46. Published

    Precipitation as a simple and versatile method for preparation of optical nanochemosensors. / Borisov, Sergey M.; Mayr, Torsten; Mistlberger, Günter; Waich, Kerstin; Koren, Klaus; Chojnacki, Pavel; Klimant, Ingo.

    In: Talanta, Vol. 79, No. 5, 15.10.2009, p. 1322-1330.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  47. Published

    Magnetic sensor macrospheres as easy-to-use, remote-controlled, optical sensors in bioprocess monitoring. / Mistlberger, Günter; Koren, Klaus; Borisov, Sergey M.; Klimant, Ingo.

    IEEE Sensors 2009 Conference - SENSORS 2009. 2009. p. 1546-1551 5398478.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review