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Supramolecular chemistry and nanotechnology

Abstract

This proposal, submitted by the Supramolecular Nanotech Lab of the University of Sao Paulo, focuses on the development of new functional molecular and combined supermolecule-nanoparticle hybrid systems, as well as of their corresponding functional films, aiming applications in sensors, energy conversion and electronic nanotechnological devices. The Research Group conducted by Profs. Henrique E. Toma and Koiti Araki, comprises more than 20 graduate, undergraduate and post-doctoral researchers, and is strongly dedicated to the development of molecular nanotechnology, a mission which has been very successful thanks to the renewed support from FAPESP. The major achievements have been concentrated on the supramolecular chemistry of porphyrins, porphyrazines and related macrocycles, metal clusters and metal-polyimine complexes, as well as on their many applications in bioinorganic chemistry and advanced materials. It is also pursued the development of hetero-hybrid materials displaying outstanding functionality for nanotechnological applications, combining the supramolecular strategies and the exciting properties of metal (e.g. silver and gold) and metal-oxide (e. g., TiO2, V2O5 and Fe3O4) nanoparticles. In addition to the strong emphasis on supramolecular design and synthetic chemistry, the proposal also focuses on the investigation of fundamental and relevant spectroscopic, photochemical, electrochemical and catalytic properties, using a large variety of techniques, including scanning probe microscopy, surface plasmon resonance and confocal Raman spectroscopy. (AU)

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VEICULO: TITULO (DATA)

Scientific publications (8)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
UCHIYAMA, MAYARA KLIMUK; TOMA, SERGIO HIROSHI; DE PAULA RODRIGUES, STEPHEN FERNANDES; BORGES SHIMADA, ANA LUCIA; LOIOLA, RODRIGO AZEVEDO; CERVANTES RODRIGUEZ, HERNAN JOEL; OLIVEIRA, PEDRO VITORIANO; LUZ, MACIEL SANTOS; RABBANI, SAID RAHNAMAYE; TOMA, HENRIQUE EISI; et al. Ultrasmall cationic superparamagnetic iron oxide nanoparticles as nontoxic and efficient MRI contrast agent and magnetic-targeting tool. INTERNATIONAL JOURNAL OF NANOMEDICINE, v. 10, p. 16-pg., . (11/09677-8, 09/08584-6, 11/02438-8)
DREWES, C. C.; DIAS, R. Y.; BRANCO, V. G.; CAVALCANTE, M. F.; SOUZA, J. G.; ABDALLA, D. S. P.; CHUDZINSKI-TAVASSI, A. M.; FARSKY, S. H. P.. Post-transcriptional control of Amblyomin-X on secretion of vascular endothelial growth factor and expression of adhesion molecules in endothelial cells. Toxicon, v. 101, p. 1-10, . (09/08584-6, 13/07467-1, 12/06944-8, 10/19802-1)
UCHIYAMA, MAYARA KLIMUK; TOMA, SERGIO HIROSHI; DE PAULA RODRIGUES, STEPHEN FERNANDES; BORGES SHIMADA, ANA LUCIA; LOIOLA, RODRIGO AZEVEDO; CERVANTES RODRIGUEZ, HERNAN JOEL; OLIVEIRA, PEDRO VITORIANO; LUZ, MACIEL SANTOS; RABBANI, SAID RAHNAMAYE; TOMA, HENRIQUE EISI; et al. Ultrasmall cationic superparamagnetic iron oxide nanoparticles as nontoxic and efficient MRI contrast agent and magnetic-targeting tool. INTERNATIONAL JOURNAL OF NANOMEDICINE, v. 10, p. 4731-4746, . (09/08584-6, 11/09677-8)
UCHIYAMA, MAYARA KLIMUK; DEDA, DAIANA KOTRA; DE PAULA RODRIGUES, STEPHEN FERNANDES; DREWES, CARINE CRISTIANE; BOLONHEIS, SIMONE MARQUES; KIYOHARA, PEDRO KUNIHIKO; DE TOLEDO, SIMONE PERCHE; COLLI, WALTER; ARAKI, KOITI; POLISELLI FARSKY, SANDRA HELENA. In vivo and In vitro Toxicity and Anti-Inflammatory Properties of Gold Nanoparticle Bioconjugates to the Vascular System. TOXICOLOGICAL SCIENCES, v. 142, n. 2, p. 497-507, . (09/08584-6, 11/19595-9)
MARQUES NETTO, CATERINA G. C.; ANDRADE, LEANDRO H.; FREITAS, RAFAEL S.; TOMA, HENRIQUE E.. Association of Yeast Alcohol Dehydrogenase with Superparamagnetic Nanoparticles: Improving the Enzyme Stability and Performance. Journal of Nanoscience and Nanotechnology, v. 15, n. 12, p. 9482-9487, . (09/08584-6)
ASSUMPCAO, ALINE M. C.; BONACIN, JULIANO A.; TOMA, SERGIO H.; ZAMARION, VITOR M.; TOMA, HENRIQUE E.. Probing surface-complex interactions with the bis(4-thienylterpyridine)iron(II) complex anchored on TiO2 and gold nanoparticles. Canadian Journal of Chemistry, v. 92, n. 10, p. 918-924, . (09/08584-6)
ZUIN, ANDRE; NOVAK, MIGUEL ALEXANDRE; TOMA, SERGIO HIROSHI; ARAKI, KOITI; TOMA, HENRIQUE EISI. Anisotropic magnetic carbon materials based on graphite and magnetite nanoparticles. Carbon, v. 77, p. 600-606, . (09/08584-6)
GUIMARAES, ROBSON R.; PARUSSULO, ANDRE L. A.; TOMA, HENRIQUE E.; ARAKI, KOITI. New tunable ruthenium complex dyes for TiO2 solar cells. Inorganica Chimica Acta, v. 404, p. 23-28, . (09/08584-6, 08/01495-5)

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Filed patent(s) as a result of this research project

MÉTODO DE PREPARAÇÃO E USO DE NANOPARTÍCULAS DE ALFA HIDRÓXIDO DE NÍQUEL NA FORMA DE SOL E GEL PI1000482-3 - Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) ; Universidade de São Paulo (USP) ; Universidade Estadual do Centro-Oeste (UNICENTRO) . Koiti Araki ; Henrique Eisi Toma ; Fauze Jaco Anaissi ; Michele Aparecida Rocha - February 2010, 19

MÉTODO DE FABRICAÇÃO DE TERMOPLÁSTICOS ANTIMICROBIANOS POR FORMAÇÃO IN SITU DE NANOPARTÍCULAS DE PRATA METÁLICA, MASTERBATCHES E/OU NANOCOMPÓSITOS POLIMÉRICOS ANTIMICROBIAIS E SEUS USOS PI1005093-0 - Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) ; Universidade de São Paulo (USP) . Koiti Araki ; Henrique Eisi Toma ; Sérgio Hiroshi Toma ; Vitor de Moraes Zamarion - December 2010, 08

APARATO, MÉTODOS E ARRANJOS EXPERIMENTAIS PARA AVALIAÇÃO IN VITRO DE FATOR DE PROTEÇÃO SOLAR PI1101564-0 - Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) ; Universidade de São Paulo (USP) . Koiti Araki ; Henrique Eisi Toma ; André Luís Araújo Parussulo ; Leonardo Rodrigues de Paula - April 2011, 11

NANOPARTÍCULAS DE ALFA HIDRÓXIDO MISTO DE NÍQUEL E DE COBALTO, NANOMATERIAIS E USO BR1020120169363 - Universidade de São Paulo (USP) ; Universidade Estadual do Centro-Oeste (UNICENTRO) . André Luis Araujo Parussulo ; Fauze Jaco Anaissi ; Henrique Eisi Toma ; Koiti Araki ; Michele Aparecida Rocha ; Paulo Roberto Martins ; Sergio Hiroshi Toma - July 2012, 05

PROCESSO DE OBTENÇÃO DE NANOPARTÍCULAS ANISOTRÓPICAS DE METAIS NOBRES E NANOPARTÍCULAS ANISOTRÓPICAS DE METAIS NOBRES BR1020140139133 - Universidade de São Paulo (USP) . Henrique Eisi Toma ; Koiti Araki ; Daniel Grasseschi ; Filipe da Silva Lima - June 2014, 09

NANOMATERIAIS HÍBRIDOS AUTOMONTADOS COMO SONDAS SERS ULTRASSENSÍVEIS, MÉTODO DE ANÁLISE PELA TÉCNICA SERS/RAMAN E KIT PARA ANÁLISE BR1020140199217 - Universidade de São Paulo (USP) . Koiti Araki - August 2014, 12