Koiti ArakiNANOMATERIAIS PORFIRÍNICOSObjetivosObter novas porfirinas supermoleculares contendocomplexos <strong>de</strong> metais <strong>de</strong> transição e as proprieda<strong>de</strong>s<strong>de</strong> seus filmes nanoestruturados; <strong>de</strong>senvolver novoscatalisadores porfirínicos multieletrônicos; explorar asproprieda<strong>de</strong>s catalíticas, eletrocatalíticas,fotoeletroquímicas para a preparação <strong>de</strong> dispositivosmoleculares; estudar a ativida<strong>de</strong> 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 PorphyrinBon<strong>de</strong>d 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 Exten<strong>de</strong>d 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; Amperometric<strong>de</strong>tection of nitrite and nitrate at tetraruthenated porphyrin modifie<strong>de</strong>lectro<strong>de</strong>s in a continuous-flow assembly, Anal. Chim. Acta 452(<strong>2002</strong>)23;HE Toma e K Araki, Spectroelectrochemical Characterization of Organicand Metal-Organic Compounds, Curr. Org. Chem. 6(<strong>2002</strong>)21;VRL Constantino, K Araki, DO Silva e W Oliveira; Preparação <strong>de</strong>Compostos <strong>de</strong> Alumínio a Partir da Bauxita: Consi<strong>de</strong>rações sobre algunsaspectos envolvidos em um experimento didático, Química Nova25(<strong>2002</strong>)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(<strong>2002</strong>)43;JRC Rocha, GJ-F Demets, M Bertotti, K Araki e HE Toma, Charge transferat electrostatically assembled tetraruthenated porphyrin modified electro<strong>de</strong>s,J. Electroanal. Chem. 526(<strong>2002</strong>) 69;K Araki e HE Toma, Química <strong>de</strong> sistemas supramoleculares constituídospor porfirinas e complexos metálicos, Química Nova 25(<strong>2002</strong>)962;H Winnischofer, FM Engelmann, HE Toma, K Araki e HR Rechenberg,Acid-base and spectroscopic properties of a novel supramolecular porphyrinbon<strong>de</strong>d to four pentacyanoferrate(II) groups, Inorg. Chim. Acta338(<strong>2002</strong>)27;Batch injection analysis utilizing modified electro<strong>de</strong>s with tetraruthenatedporphyrin films for acetaminophen quantification, Electroanalysis (prelo).<strong>Instituto</strong> <strong>de</strong> Química - Pesquisa 2001 - <strong>2002</strong> 54 Departamento <strong>de</strong> Química Fundamental
Lilian R. F. <strong>de</strong> CarvalhoLABORATÓRIO DE ESTUDOS DO MEIOAMBIENTE (LEMA)Caracterização química <strong>de</strong> poluentesDesenvolvimento <strong>de</strong> metodologias analíticas paraa <strong>de</strong>terminação <strong>de</strong> espécies químicas encontradas emamostras ambientais (ar e água), com ênfase aospoluentes orgânicos genotóxicos e/ou potencialmentegenotóxicos.Medições químicas <strong>de</strong> compostos antropogênicose biogênicos no ar da região metropolitana <strong>de</strong> SãoPaulo e correlação entre as possíveis fontes <strong>de</strong>emissão <strong>de</strong> alcanos, aromáticos, carbonílicos, ácidoscarboxílicos, hidrocarbonetos policíclicos aromáticosna fase particulada e gasosa em sítios urbano, suburbanoe florestal.SummaryLevels of anthropogenic and biogenic compoundsin the atmosphere of metropolitan area of São Pauloand correlations between local emission sources:alcanes, aromatic hydrocarbons, carbonylic compounds,carboxylic acids, polycyclic aromatic hydrocarbonsfound in the particulate and gaseous phasesat urban, sub-urban and florestal sites.PublicaçõesL. Montero, P.C. Vasconcellos, S.R. Souza, M.A.F. Pires, O.R. Sanchez-Ccoyillo, M. F. Andra<strong>de</strong> & L. R. F. Carvalho (2001) “Measurements ofatmospheric carboxylic acids and carbonyl compounds in São Paulo City,Brazil” Environmental Science & Technology, 35, 3071-3081.S.R. Souza & L.R.F. Carvalho (2001) “Seasonality influence in the distributionof formic and acetic acids in the urban atmosphere of São PauloCity, Brazil”, Journal of Brazilian Chemical Society, 12 (6) 755-762.S.R. Souza, P.C. Vasconcellos, W. Mantovani & L.R.F. Carvalho (<strong>2002</strong>)“Emissão por folhas <strong>de</strong> Ficus benjamina L. (Moraceae) <strong>de</strong>compostosorgânicos voláteis oxigenados”, Revista Brasileira <strong>de</strong> Botânica, 24 (4).B. De Martinis, R.A. Okamoto, N.Y. Kado, L. Gun<strong>de</strong>l & L.R.F. Carvalho(<strong>2002</strong>) “Polycyclic aromatic hydrocarbons in a bioassay-fractionated extractof PM10 collected in São Paulo, Brazil”, Atmospheric Environment,36 (1), 307-314.A.L. Rezemini, J.M. Vaz & L.R.F. Carvalho (<strong>2002</strong>) “Gas chromatographic- mass spectrometric method for quantification of 3-chloro-4-(dichloromethyl)-5-hydroxy-2[5H]-furanone (MX) in chlorinated watersamples”, Journal of Chromatography A, 972 (2), 259-267.P.C. Vasconcellos, D. Zacarias, M.A.F. Pires, C.S. Pool & L.R.F. Carvalho(<strong>2002</strong>) “Polycyclic aromatic hydrocarbons in airborne particles collectedin the metropolitan area of São Paulo”, Atmospheric Environment, prelo.Departamento <strong>de</strong> Química Fundamental55<strong>Instituto</strong> <strong>de</strong> Química - Pesquisa 2001 - <strong>2002</strong>