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In this paper we present a system based on electroactive nanostructured membranes (ENM) with ITO\u2010PVS\/PAMAM\u2010Au LbL electrodes, in which a redox mediator (Me) is electrodeposited around the Au nanoparticles to form an ITO\u2010PVS\/PAMAM\u2010Au@Me system. The redox mediators used were Co, Fe, Ni and Cu hexacyanoferrates. The 3\u2010bilayer ITO\u2010PVS\/PAMAM\u2010Au@Me system was characterized electrochemically by cyclic voltammetry and electrochemical impedance spectroscopy. All hexacyanoferrate modified electrodes showed electrocatalytic activity towards hydrogen peroxide, thus demonstrating that this new approach can be used in biosensors and nanodevices, where a redox mediator is required.<\/jats:p>","DOI":"10.1002\/elan.200603775","type":"journal-article","created":{"date-parts":[[2007,2,27]],"date-time":"2007-02-27T11:18:28Z","timestamp":1172575108000},"page":"805-812","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["Electroactive Nanostructured Membranes (ENM): Synthesis and Electrochemical Properties of Redox Mediator\u2010Modified Gold Nanoparticles Using a Dendrimer Layer\u2010by\u2010Layer Approach"],"prefix":"10.1002","volume":"19","author":[{"given":"Frank\u2005N.","family":"Crespilho","sequence":"first","affiliation":[]},{"given":"M.\u2005Emilia","family":"Ghica","sequence":"additional","affiliation":[]},{"given":"Valtencir","family":"Zucolotto","sequence":"additional","affiliation":[]},{"given":"Francisco\u2005C.","family":"Nart","sequence":"additional","affiliation":[]},{"suffix":"Jr.","given":"Osvaldo\u2005N.","family":"Oliveira","sequence":"additional","affiliation":[]},{"given":"Christopher\u2005M.\u2005A.","family":"Brett","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2007,4,12]]},"reference":[{"key":"e_1_2_1_1_2","doi-asserted-by":"publisher","DOI":"10.1021\/jp062098v"},{"key":"e_1_2_1_2_2","doi-asserted-by":"crossref","first-page":"151","DOI":"10.1016\/S1452-3981(23)17145-8","volume":"1","author":"Crespilho F. 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