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2012 Volume 4 Issue 1

Design and evaluation of concentric cylinder bio fuel cell with proton exchange membrane-graphite powder–Glucose oxidase anode assembly


Abstract
The current research is based on Mediated electron transfer in novel electrode assembly. Graphite powder has been used to slow down the movement of glucose oxidase. Glucose oxidase was mixed with graphite powder and stuffed into a compartment with dialysis membrane on one side while Nafion 117 on the other side. The compartment was meshed with stainless steel wire which not only gave support to the graphite powder but also was useful in electron capturing. The dialysis membrane (MW cut-off > 12000 Da) let the glucose molecule to pass through but does not let the enzyme to escape to the solution. This enhances the enzyme activity and longer the half life of the Bio fuel cell (BFC). Hydroquinone was used as the mediator. The assembly generated quite a high current of 18mA and had a power density of 33µW/cm2. The higher current value is due to large effective surface area of contact of the electrode. The design was robust and can be made easily.

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J BIOCHEM TECH
J BIOCHEM TECH
Journal of Biochemical Technology is a peer reviewed International Journal published by the Sevas Publishing on behalf of the Biochemical Technology Society, a Registered Charity Organization from India

AREA OF INTEREST
AREA OF INTEREST
Areas of high interest, cover new advances in enzymatic and protein mechanims; applied molecular genetics and biotechnology; genomics and proteomics; metabolic; medical, environmental, food and agro biotechnology.

FOCUS AND SCOPE
FOCUS AND SCOPE
Journal Of Biochemical Technology” Provides A Medium For The Rapid Publication Of Full-Length Articles, Mini-Reviews Of New And Emerging Products And Short Communications On All Aspects Of ...

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This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. Keywords include, Biochemical Research: Endo/exocytosis, Trafficking, Membrane Biology, Cell Migration, Cell-Matrix Organelle Biogenesis, Cytoskeleton Proteolysis, Cell Death, Cell Cycle, Cancer, Cell Growth/Death, Differentiation, Drug Targets, Gene Therapy, Models of Disease, Proteomics, Stem Cells, Bioenergetics, Mitochondria, Free Radicals, Redox Signaling, Ion Transport/Channels, Oxidative