Antiparasitic Activity of Oxindolimine–Metal Complexes against Chagas Disease

Autor: Marcelo Cecconi Portes, Grazielle Alves Ribeiro, Gustavo Levendoski Sabino, Ricardo Alexandre Alves De Couto, Leda Quércia Vieira, Maria Júlia Manso Alves, Ana Maria Da Costa Ferreira

Publikováno v: Inorganics, Vol 11, Iss 11, p 420 (2023)

Some copper(II) and zinc(II) complexes with oxindolimine ligands were tested regarding their trypanocidal properties. These complexes have already shown good biological activity in the inhibition of tumor cell proliferation, having DNA and mitochondr

Externí odkaz: https://doaj.org/article/fbefa2ebfc7b423da1aa5cfc8c26a40e

Intercalation of apocarotenoids from annatto (Bixa orellana L.) into layered double hydroxides

Autor: Fabrice Leroux, Gustavo Frigi Perotti, Vera R. L. Constantino, Felipe Freire Silva, Filipe C. D. A. Lima, Helena M. Petrilli, Ana Maria da Costa Ferreira, Ricardo Alexandre Alves de Couto

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Journal of the Brazilian Chemical Society
Journal of the Brazilian Chemical Society, Sociedade Brasileira de Química, SBQ, 2020, 33 (11), pp.2211-2223. ⟨10.21577/0103-5053.20200065⟩
Journal of the Brazilian Chemical Society, 2020, 33 (11), pp.2211-2223. ⟨10.21577/0103-5053.20200065⟩

International audience; Synthetic conditions were evaluated to intercalate norbixin into layered double hydroxides (LDH). Norbixin was isolated from a hydrosoluble commercial annatto extract. LDH samples comprising M2+/Al3+ (M = Mg, Zn) were synthesi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::445395b8c344092d8cbff72c9f33a797

Analytical Capabilities of the Community Bureau of Reference Protocol to Estimate the Mobility of Nutrients and Toxic Elements from Mineral Fertilizer

Autor: Luiza G. R. Albuquerque, Delmárcio Gomes da Silva, Ricardo Alexandre Alves de Couto, Alexandre M. Fioroto, Pedro Vitoriano de Oliveira, Gislayne Aparecida Rodrigues Kelmer

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

The sequential extraction procedure of the Community Bureau of Reference (BCR) was applied to investigate the mobility of potentially toxic elements (As, Cd, Cr, and Pb) and nutrients (P, Ca, Mg, Cu, Fe, Mn, and Zn) in a multinutrient mineral fertili

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd88d90a8420c68ac9f36fd87e9ea1e1
https://doi.org/10.1021/acs.jafc.8b00822

Desferrioxamine–cadmium as a ‘Trojan horse’ for the delivery of Cd to bacteria and fungi

Autor: Delia Manuela Luna Pinto, Vera R. L. Constantino, Breno Pannia Espósito, Ricardo Alexandre Alves de Couto, Ana Luiza Costa Mattos, Telma Mary Kaneko

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Summary Molecules naturally designed for the acquisition of essential metals can be used as a shuttle to deliver toxic metal ions to target organisms. In this study, we describe for the first time the synthesis of a derivative of cadmium and desferri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4bfa0b5ce0cf4389b0c47dfe1132bdf8
https://doi.org/10.1016/j.jtemb.2012.09.001

Electronic Structure and Spectro-Structural Correlations of FeIIIZnII Biomimetics for Purple Acid Phosphatases: Relevance to DNA Cleavage and Cytotoxic Activity

Autor: Andrew Dick, Elene C. Pereira-Maia, Hernán Terenzi, Rosely A. Peralta, Flávia C. S. de Paula, Mark J. Riley, Claus Tröger Pich, Graeme R. Hanson, Ricardo Alexandre Alves de Couto, Eduardo E. Castellano, Rafael Jovito, Annelise Casellato, Ademir Neves, Adailton J. Bortoluzzi, Patricia Cardoso Severino, Sergio Machado, Lawrence R. Gahan, Gerhard Schenk, Bernardo de Souza, Fernando R. Xavier, Tiago Bortolotto, Faruk Nome

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Purple acid phosphatases (PAPs) are a group of metallohydrolases that contain a dinuclear Fe(III)M(II) center (M(II) = Fe, Mn, Zn) in the active site and are able to catalyze the hydrolysis of a variety of phosphoric acid esters. The dinuclear comple

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4e5a3d98c67b0e8a065d96e1fa14527
https://doi.org/10.1021/ic101433t