2008
DOI: 10.1016/j.electacta.2007.12.072
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Meldola blue immobilized on a new SiO2/TiO2/graphite composite for electrocatalytic oxidation of NADH

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Cited by 59 publications
(23 citation statements)
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“…The spin orbit component Sb3d 3/2 BE peak is observed at 540.4 eV. These observed values are in accordance with Sb(V) grafted on matrix surfaces of similar mixed oxides SiO 2 /TiO 2 (Maroneze et al, 2008), SiO 2 /ZrO 2 (Maroneze et al, 2010) and Sb(V) doped SnO 2 (Egdell et al, 1999;Kong et al, 2009). Fig.…”
Section: X-ray Photoelectron Spectroscopy (Xps)supporting
confidence: 88%
See 1 more Smart Citation
“…The spin orbit component Sb3d 3/2 BE peak is observed at 540.4 eV. These observed values are in accordance with Sb(V) grafted on matrix surfaces of similar mixed oxides SiO 2 /TiO 2 (Maroneze et al, 2008), SiO 2 /ZrO 2 (Maroneze et al, 2010) and Sb(V) doped SnO 2 (Egdell et al, 1999;Kong et al, 2009). Fig.…”
Section: X-ray Photoelectron Spectroscopy (Xps)supporting
confidence: 88%
“…In our system, we carried out a chemical surface modification to promote the adsorption of an electroactive dye (Meldola's blue). This dye is known to produce an efficient electro-oxidation of NADH at low formal oxidation potentials of this coenzyme (Arvinte et al, 2008;Zhu et al, 2007;Maroneze et al, 2008).…”
Section: Introductionmentioning
confidence: 99%
“…Meldola's blue immobilized on a new SiO 2 /TiO 2 /graphite composite material was proposed by Maroneze et al [67] as novel and promising substrate in NADH electrochemical sensors development. The electrooxidation overpotential was remarkably reduced, the NADH oxidation peak potential manifesting at ca.…”
Section: Bulk Modified Electrodes For the Electrocatalytic Oxidation mentioning
confidence: 99%
“…[21][22][23][24][25] Recentemente, os eletrodos compósi-tos têm sido preparados com diferentes tipos de materiais à base de carbono, tais como, os nanotubos de carbono, 14,16,21 carbono vítreo, 17 além de grafite e derivados. [26][27][28][29][30][31][32][33][34] Por exemplo, Sun e colaboradores utilizaram o carbono vítreo na preparação do eletrodo compósito de carbono vítreo cerâmico (denominado ECCV), que apresentou uma pequena separação de potenciais de pico em meio a ferrocianeto de potássio de DEp= 66 mV, similar ao do ECC preparado com grafite (DEp= 60 mV). Porém, devido à estrutura particulada do carbono vítreo, o ECCV se mostrou mais versátil no caso da modificação com fenantrenoquinona, além de apresentar alta rigidez mecânica e ampla janela de potencial.…”
Section: Introductionunclassified