Dr.-Ing.

Kohl, Christina

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Teilvorhaben: Automatisierte Biosensoren, selbstlernende Monitoring-Tools und Konzepte für sichere Sensornetzwerke zur Erhöhung der Resilienz von Trinkwasserinfrastrukturen

2018 , Bernard, Thomas , Burger-Kentischer, Anke , Frick, Konstantin , Jacubasch, Andreas , Kerger, Christian , Kohl, Christina , Kühnert, Christian , Meier, David , Trick, Iris

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Reduction of the aortic inflammatory response in spontaneous atherosclerosis by blockade of macrophage migration inhibitory factor (MIF)

2006 , Burger-Kentischer, A. , Göbel, H. , Kleemann, R. , Zernecke, A. , Bucala, R. , Leng, L. , Finkelmeier, D. , Geiger, G. , Schaefer, H.E. , Schober, A. , Weber, C. , Brunner, H. , Rütten, H. , Ihling, C. , Bernhagen, J.

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Enzyme-functionalized biomimetic apatites: Concept and perspectives in view of innovative medical approaches

2014 , Weber, Christina G. , Müller, Michaela , Vandecandelaere, Nicolas , Trick, Iris , Burger-Kentischer, Anke , Maucher, Tanja , Drouet, Christophe

Biomimetic nanocrystalline calcium-deficient apatite compounds are particularly attractive for the setup of bioactive bone-repair scaffolds due to their high similarity to bone mineral in terms of chemical composition, structural and substructural features. As such, along with the increasingly appealing development of moderate temperature engineered routes for sample processing, they have widened the armamentarium of orthopedic and maxillofacial surgeons in the field of bone tissue engineering. This was made possible by exploiting the exceptional surface reactivity of biomimetic apatite nanocrystals, capable of easily exchanging ions or adsorbing (bio)molecules, thus leading to highly-versatile drug delivery systems. In this contribution we focus on the preparation of hybrid materials combining biomimetic nanocrystalline apatites and enzymes (lysozyme and subtilisin). This paper reports physico-chemical data as well as cytotoxicity evaluations towards Cal-72 osteoblast-like cells and finally antimicrobial assessments towards selected strains of interest in bone surgery. Biomimetic apatite/enzyme hybrids could be prepared in varying buffers. They were found to be non-cytotoxic toward osteoblastic cells and the enzymes retained their biological activity (e.g. bond cleavage or antibacterial properties) despite the immobilization and drying processes. Release properties were also examined. Beyond these illustrative examples, the concept of biomimetic apatites functionalized with enzymes is thus shown to be useable in practice, e.g. for antimicrobial purposes, thus widening possible therapeutic perspectives.

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Vermeidung von Biofilm und Unterdrückung von Virulenzfaktoren pathogener Mikroorganismen an Grenzflächen

2012 , Müller, Michaela , Kohl, Christina , Kerger, Christian , Burger-Kentischer, Anke , Trick, Iris , Hirth, Thomas

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