News Column

New Findings from University of Zurich in the Area of Oxidoreductases Described

June 24, 2014



By a News Reporter-Staff News Editor at Life Science Weekly -- Fresh data on Enzymes and Coenzymes are presented in a new report. According to news reporting out of Zurich, Switzerland, by NewsRx editors, research stated, "Carbon nanocapsules with iron core appeared to be a useful modifier of glassy carbon surface. It has been found that the presence of nanocapsules on the electrode surface resulted in a shift of the reduction voltammetric signal of oxygen by circa 250 mV toward less negative potentials."

Our news journalists obtained a quote from the research from the University of Zurich, "A considerable increase of the signal was observed when the modified electrode was exposed to an external magnetic field. The nanocapsules appeared to be a good substrate for immobilization of laccase. The presence of laccase on the electrode surface caused a further significant shift of the position of the oxygen reduction signal toward positive potentials. The application of external magnetic field again strongly magnified the current. The described phenomena were characterized in function of the magnetic field intensity and the angle between the electrode surface and the magnetic field direction."

According to the news editors, the research concluded: "For explanation of the significant enhancement of O-2 reduction current the magnetic field profile in the vicinity of the electrode surface and the force of interactions of magnetic nanoparticles with paramagnetic oxygen molecules were calculated."

For more information on this research see: Carbon-encapsulated iron nanoparticles as ferromagnetic matrix for oxygen reduction in absence and presence of immobilized laccase. Electrochimica Acta, 2014;126():115-121. Electrochimica Acta can be contacted at: Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England (see also Enzymes and Coenzymes).

Our news journalists report that additional information may be obtained by contacting A.M. Nowicka, University of Zurich, Inst Phys Chem, CH-8057 Zurich, Switzerland. Additional authors for this research include A. Kowalczyk, M.L. Donten, M. Donten, M. Bystrzejewski and Z. Stojek.

Keywords for this news article include: Zurich, Europe, Laccase, Chalcogens, Switzerland, Nanoparticle, Nanotechnology, Oxidoreductases, Emerging Technologies, Enzymes and Coenzymes

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Life Science Weekly


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