A new synthesis route for Os-complex modified redox polymers for potential biofuel cell applications
Autor: | Wolfgang Schuhmann, Dmitrii A. Guschin, Sascha Pöller, Jeevanthi Vivekananthan, Yvonne Beyl |
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Rok vydání: | 2011 |
Předmět: |
Magnetic Resonance Spectroscopy
Bioelectric Energy Sources Polymers Biophysics Epoxide Trametes hirsuta Ligands Redox Fungal Proteins chemistry.chemical_compound Electricity Coordination Complexes Electrochemistry Organic chemistry Physical and Theoretical Chemistry Electrodes Pyrans chemistry.chemical_classification Trametes biology Chemistry Ligand Laccase Imidazoles General Medicine Nuclear magnetic resonance spectroscopy Polymer Electrochemical Techniques biology.organism_classification Osmium Combinatorial chemistry Oxygen Acrylates Functional group Biosensor Oxidation-Reduction |
Zdroj: | Bioelectrochemistry (Amsterdam, Netherlands). 87 |
ISSN: | 1878-562X |
Popis: | A new synthesis route for Os-complex modified redox polymers was developed. Instead of ligand exchange reactions for coordinative binding of suitable precursor Os-complexes at the polymer, Os-complexes already exhibiting the final ligand shell containing a suitable functional group were bound to the polymer via an epoxide opening reaction. By separation of the polymer synthesis from the ligand exchange reaction at the Os-complex, the modification of the same polymer backbone with different Os-complexes or the binding of the same Os-complex to a number of different polymer backbones becomes feasible. In addition, the Os-complex can be purified and characterized prior to its binding to the polymer. In order to further understand and optimize suitable enzyme/redox polymer systems concerning their potential application in biosensors or biofuel cells, a series of redox polymers was synthesized and used as immobilization matrix for Trametes hirsuta laccase. The properties of the obtained biofuel cell cathodes were compared with similar biocatalytic interfaces derived from redox polymers obtained via ligand exchange reaction of the parent Os-complex with a ligand integrated into the polymer backbone during the polymer synthesis. |
Databáze: | OpenAIRE |
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