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The electrode was implemented on a 2\u2005mm diameter graphite mine casted with a reduced graphene surface presenting the specific capacitance of 195.8 F g<jats:sup>\u22121<\/jats:sup>. About 10 \u03bcl of mixture between 25\u2005mg mL<jats:sup>\u22121<\/jats:sup> laccase suspension and 5\u2005mg mL<jats:sup>\u22121<\/jats:sup> single\u2010walled carbon nanotubes in 2\u2009% SDS is dropped over the surface followed by 5 \u03bcl of the biological friendly tetrakis(2,3\u2010dihydroxypropyl)\u2010silane monomer sol to provide physical entrapment in a silica matrix after gelation. The rigidity of enzyme encapsulation allowed to obtain a constant enzyme turnover of about 16\u2005min<jats:sup>\u22121<\/jats:sup> in the extended pH range of 6.0\u20107.5, being the activity almost proportional to the temperature used in the interval between 25 and 40 \u00b0C. The graphite\u2010graphene\/SWCNT\u2010laccase\/sol\u2010gel electrode enabled a proportional response to molecular oxygen up to the concentration of 0.45\u2005mmol L<jats:sup>\u22121<\/jats:sup> and is capable to generate the maximum power of 4.5 \u03bcW cm<jats:sup>\u22122<\/jats:sup> at 0.250\u2005V vs the AgCl\/Ag reference electrode in quiescent oxygen saturated solution.<\/jats:p>","DOI":"10.1002\/elan.201600738","type":"journal-article","created":{"date-parts":[[2017,3,9]],"date-time":"2017-03-09T05:27:48Z","timestamp":1489037268000},"page":"1566-1572","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Implementation of a Simple Nanostructured Bio\u2010electrode with Immobilized <i>Rhus Vernicifera<\/i> Laccase for Oxygen Sensing Applications"],"prefix":"10.1002","volume":"29","author":[{"given":"\u00c1lvaro","family":"Torrinha","sequence":"first","affiliation":[{"name":"LAQV-REQUIMTE, Lab. 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