2002 - Instituto de Química - USP

Koiti ArakiNANOMATERIAIS PORFIRÍNICOSObjetivosObter novas porfirinas supermoleculares contendocomplexos de metais de transição e as propriedadesde seus filmes nanoestruturados; desenvolver novoscatalisadores porfirínicos multieletrônicos; explorar aspropriedades catalíticas, eletrocatalíticas,fotoeletroquímicas para a preparação de dispositivosmoleculares; estudar a atividade das porfirinas eanálogos em terapia fotodinâmica.SummaryWe are interested in the synthesis, characterizationand applications of porphyrin containingnanomaterials in sensors, PDT and catalysis.PublicaçõesK Araki, S Dovidauskas, H Winnischofer, ADP Alexiou e HE Toma, A NewHighly Efficient Tetra-Electronic Catalyst Based On a Cobalt PorphyrinBonded to Four µ-3-Oxo-Ruthenium Acetate Clusters, J. Electroanal.Chem. 498(2001)152;K Araki, H Winnischofer, HE Toma, H Maeda, A Osuka e H Furuta, Acid-Base and Spectroelectrochemical Properties of Doubly N-Confused Porphyrins,Inorg. Chem. 40 (2001)2020;HE Toma, K Araki, ADP Alexiou, S Nikolaou e S Dovidauskas, Monomericand Extended Oxo-Centered Triruthenium Clusters, Coord. Chem. Revs.219-221(2001)187;K Araki, P Losco, FM Engelmann, H Winnischofer e HE Toma, Modulationof Vectorial Energy Transfer in Tetrakis{Tris(Bipyridine)Ruthenium(II)}Porphy-rins, J. Photochem. Photobiol. A: Chemistry 142(2001)25;JRC Rocha, M Bertotti, L Angnes, K Araki e HE Toma; Amperometricdetection of nitrite and nitrate at tetraruthenated porphyrin modifiedelectrodes in a continuous-flow assembly, Anal. Chim. Acta 452(2002)23;HE Toma e K Araki, Spectroelectrochemical Characterization of Organicand Metal-Organic Compounds, Curr. Org. Chem. 6(2002)21;VRL Constantino, K Araki, DO Silva e W Oliveira; Preparação deCompostos de Alumínio a Partir da Bauxita: Considerações sobre algunsaspectos envolvidos em um experimento didático, Química Nova25(2002)490;FM Engelmann, P Losco, H Winnischofer, K Araki e HE Toma, Synthesis,Electrochemistry, Spectroscopy and Photophysical Properties of a Seriesof Meso-(PhenylPyridyl)Porphyrins Coordinated to [Ru(bipy)2Cl]+ Groups,J. Porph. Phthalocyanines 6(2002)43;JRC Rocha, GJ-F Demets, M Bertotti, K Araki e HE Toma, Charge transferat electrostatically assembled tetraruthenated porphyrin modified electrodes,J. Electroanal. Chem. 526(2002) 69;K Araki e HE Toma, Química de sistemas supramoleculares constituídospor porfirinas e complexos metálicos, Química Nova 25(2002)962;H Winnischofer, FM Engelmann, HE Toma, K Araki e HR Rechenberg,Acid-base and spectroscopic properties of a novel supramolecular porphyrinbonded to four pentacyanoferrate(II) groups, Inorg. Chim. Acta338(2002)27;Batch injection analysis utilizing modified electrodes with tetraruthenatedporphyrin films for acetaminophen quantification, Electroanalysis (prelo).Instituto de Química - Pesquisa 2001 - 2002 54 Departamento de Química Fundamental