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The composites consist of RGO sheets fully and homogeneously coated with a dense layer of 8\u2005nm TiO<jats:sub>2<\/jats:sub> and\/or 2\u2005nm Pt nanoparticles. Screen\u2010printed flexible sensors based on Pt\u2013TiO<jats:sub>2<\/jats:sub>\/RGO composites are applied for the amperometric detection of hydrogen peroxide (H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub>). The electrochemical characteristics of Pt\/RGO, TiO<jats:sub>2<\/jats:sub>\/RGO and Pt\u2013TiO<jats:sub>2<\/jats:sub>\/RGO\u2010modified screen printed electrodes are investigated and discussed. The developed sensor allows the detection of H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub>, with a linear response from 0 to 20\u2005m<jats:sc>M<\/jats:sc> of H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> and a sensitivity of 40\u2005\u03bcA\u2009m<jats:sc>M<\/jats:sc><jats:sup>\u22121<\/jats:sup>\u2009cm<jats:sup>\u22122<\/jats:sup>. The resulting device is also suitable for the analysis of this toxic compound in milk.<\/jats:p>","DOI":"10.1002\/celc.201300106","type":"journal-article","created":{"date-parts":[[2013,9,11]],"date-time":"2013-09-11T03:14:38Z","timestamp":1378869278000},"page":"617-624","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":60,"title":["Amperometric Sensing of H<sub>2<\/sub>O<sub>2<\/sub> using Pt\u2013TiO<sub>2<\/sub>\/Reduced Graphene Oxide Nanocomposites"],"prefix":"10.1002","volume":"1","author":[{"given":"Salvatore Gianluca","family":"Leonardi","sequence":"first","affiliation":[]},{"given":"Davide","family":"Aloisio","sequence":"additional","affiliation":[]},{"given":"Nicola","family":"Donato","sequence":"additional","affiliation":[]},{"given":"Patr\u00edcia A.","family":"Russo","sequence":"additional","affiliation":[]},{"given":"Marta 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