EP1376729-A2  X.X ZHANG AND AL: "effect of different catholytic oxidants on the performance of a biocatalytic methanol fuel cell" ABS. 1239, 204TH MEETING, THE ELECTROCHEMICAL SOCIETY, 2003, XP002534384;  ZHANG ET AL: "Direct methanol biocatalytic fuel cell-Considerations of restraints on electron transfer" BIOSENSORS & BIOELECTRONICS, ELSEVIER SCIENCE PUBLISHERS, BARKING, GB, vol. 21, no. 11, 15 May 2006 (2006-05-15), pages 2052-2057, XP005365033 ISSN: 0956-5663;  DAVIS G ET AL: "Bioelectrochemical fuel cell and sensor based on a quinoprotein, alcohol dehydrogenase" ENZYME AND MICROBIAL TECHNOLOGY, STONEHAM, MA, US, vol. 5, no. 5, 1 September 1983 (1983-09-01), pages 383-388, XP023678074 ISSN: 0141-0229 [retrieved on 1983-09-01];  YUE P L ET AL: "ENZYMATIC OXIDATION OF C1 COMPOUNDS IN A BIOCHEMICAL FUEL CELL" CHEMICAL ENGINEERING JOURNAL, LOUGHBOROUGH, vol. 33, 1 January 1986 (1986-01-01), pages B69-B77, XP000921433 ISSN: 0375-8699;  RANTA A ET AL: "ENZYMATIC FUEL CELL: BIOCHEMICAL ENERGY CONVERSION" ELECTROCHEMICAL SOCIETY PROCEEDINGS, ELECTROCHEMICAL SOCIETY, PENNINGTON, NJ, US, vol. 22, 1 January 2000 (2000-01-01), pages 108-117, XP008010582US7384701-B2  Enzymatic Fuel Cell:Biochemical Energy Conversion, Anja Ranta et al., Helsinki University of Technology.;  Monitoring And Control of a Bacteria Fuel Cell Process by Color Analysis, Aarne Halme et al., Automation Technology Laboratory, Helsinki University of Technology, 02150 Espoo, Finland.;  Study of Biological Fuel Cells, Aarne Halme et al., pp. 1-10, Automation Technology Laboratory, Helsinki University of Technology.EP1376729-A3  YUE P L ET AL: "ENZYMATIC OXIDATION OF C1 COMPOUNDS IN A BIOCHEMICAL FUEL CELL", CHEMICAL ENGINEERING JOURNAL, LOUGHBOROUGH, vol. 33, 1 January 1986 (1986-01-01), pages B69 - B77, XP000921433, ISSN: 0375-8699,relevantClaims[1-4,6,9,11,16,18],relevantPassages[&lt;pp&gt;B70&lt;/pp&gt;&lt;column&gt;L&lt;/column&gt;&lt;para&gt;3&lt;/para&gt;&lt;coll&gt;R&lt;/coll&gt;&lt;paral&gt;2&lt;/paral&gt;|&lt;pp&gt;B71&lt;/pp&gt;&lt;column&gt;L&lt;/column&gt;&lt;para&gt;2&lt;/para&gt;&lt;ppl&gt;B72&lt;/ppl&gt;&lt;coll&gt;L&lt;/coll&gt;&lt;paral&gt;2&lt;/paral&gt;|&lt;pp&gt;B74&lt;/pp&gt;&lt;column&gt;R&lt;/column&gt;&lt;para&gt;2&lt;/para&gt;|&lt;pp&gt;B77&lt;/pp&gt;];  RANTA A ET AL: "ENZYMATIC FUEL CELL: BIOCHEMICAL ENERGY CONVERSION", ELECTROCHEMICAL SOCIETY PROCEEDINGS, ELECTROCHEMICAL SOCIETY, PENNINGTON, NJ, US, vol. 22, 1 January 2000 (2000-01-01), pages 108 - 117, XP008010582,relevantClaims[1,3,4,6,11,16,18],relevantPassages[&lt;pp&gt;W&lt;/pp&gt;];  DAVIS G ET AL: "Bioelectrochemical fuel cell and sensor based on a quinoprotein, alcohol dehydrogenase", ENZYME AND MICROBIAL TECHNOLOGY, STONEHAM, MA, US, vol. 5, no. 5, 1 September 1983 (1983-09-01), pages 383 - 388, XP023678074, ISSN: 0141-0229, [retrieved on 19830901],relevantClaims[1-4,6,7,11,16-18],relevantPassages[&lt;pp&gt;W&lt;/pp&gt;];  ZHANG ET AL: "Direct methanol biocatalytic fuel cell-Considerations of restraints on electron transfer", BIOSENSORS & BIOELECTRONICS, ELSEVIER SCIENCE PUBLISHERS, BARKING, GB, vol. 21, no. 11, 15 May 2006 (2006-05-15), pages 2052 - 2057, XP005365033, ISSN: 0956-5663,relevantClaims[1-18],relevantPassages[&lt;pp&gt;W&lt;/pp&gt;];  X.X ZHANG AND AL: "effect of different catholytic oxidants on the performance of a biocatalytic methanol fuel cell", ABS. 1239, 204TH MEETING, THE ELECTROCHEMICAL SOCIETY, 2003, XP002534384,relevantClaims[1-18],relevantPassages[&lt;pp&gt;A&lt;/pp&gt;]