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The majority of efforts on microbial and photosynthetic microbial fuel cells are both curiosity driven and made to possibly meet the future growing demand for sustainable energy. The most metabolically versatile purple bacteria Rhodobacter capsulatus is a potential candidate for this purpose. However, utilizing bacteria in such systems requires efficient electronic transfer communication between the...
Graphite electrode modified with laccase from Cerrena unicolor served as a biosensor for detection of 30 phenolic compounds with different structures. Some correlations of the sensor response to the structures of substrates are discussed. This biosensor responded to: (i) nanomolar concentrations of some of the selected phenolic compounds, e.g., 2,6-dimethoxyphenol, coniferyl alcohol, caffeic acid,...
In this study, laccase from Cerrena unicolor as a highly active enzyme was adsorptively immobilized on the surface of graphite electrode. The electrode inserted into flow-injection system served as a biosensor for detection of polyphenols, including flavonoids. We used catechin hydrate, epicatechin, epicatechin gallate, prodelphinidin, and caffeic acid as a target compounds in determination. The performed...
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