Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Maria H. Araújo"'
Autor:
Joyce C. Oliveira, Renato L. de Carvalho, Hugo G. S. Sampaio, João Honorato, Javier A. Ellena, Felipe T. Martins, João V. M. Pereira, Pedro M. S. Costa, Claudia Pessoa, Rafaela S. Ferreira, Maria H. Araújo, Claus Jacob, Eufrânio N. da Silva Júnior
Publikováno v:
Molecules, Vol 28, Iss 5, p 2222 (2023)
In 2021, our research group published the prominent anticancer activity achieved through the successful combination of two redox centres (ortho-quinone/para-quinone or quinone/selenium-containing triazole) through a copper-catalyzed azide-alkyne cycl
Externí odkaz:
https://doaj.org/article/b3a8f304823c42bdb27f5004bb432af6
Publikováno v:
Polímeros, Vol 20, Iss 3, Pp 188-193 (2010)
Neste trabalho, a polimerização do glicerol na presença de catalisador ácido (H2SO4 ou H3PO4) e básico (NaOH), para produzir resinas termofixas foi investigada. Os resultados mostraram que as variáveis como a temperatura de reação, o tipo e a
Externí odkaz:
https://doaj.org/article/0d1ced139fc245e1ae08289539653c3c
Autor:
Marcelo G. Rosmaninho, Erika Jardim, Gilmara L. Ferreira, Maria H. Araújo, Rochel M. Lago, Flávia C. C. Moura
Publikováno v:
Química Nova, Vol 32, Iss 6, Pp 1673-1676 (2009)
In this work it is proposed a simple and versatile undergraduate chemical experiment in polymer and environmental technology based on the process of polyethylene terephthalate (PET) hydrolysis. Polyethylene terephthalate from post-consume bottles is
Externí odkaz:
https://doaj.org/article/122c53080a534219b29ac6da048d9974
Autor:
Maria H. Araújo, Rochel M. Lago, Luiz C. A. Oliveira, Paulo R. M. Cabral, Lin Chih Cheng, Louis Jacques Filion
Publikováno v:
Química Nova, Vol 28, Pp S18-S25 (2005)
The Universities, in Brazil and all over the world are currently going through a "second revolution" in which the socio-economical development is incorporated as part of their mission and science and knowledge play a key role for the development of t
Externí odkaz:
https://doaj.org/article/bdddcf01c0614a0c9be142529c742ecf
Autor:
Maria H. Araújo, Rochel M. Lago, Luiz C. A. Oliveira, Paulo R. M. Cabral, Lin Chih Cheng, Cândido Borges, Louis Jacques Filion
Publikováno v:
Química Nova, Vol 28, Pp S26-S35 (2005)
Technology companies created from University research are known as "Academic Spin-Off" (ASO). These innovative companies play an important role for the technological, economical and social development of a country. This work discusses some aspects of
Externí odkaz:
https://doaj.org/article/5446879cdc6a4ff0819fb28ffc726c55
Autor:
Renata G. Almeida, Oshadie De Silva, Fábio G. Delolo, Maria H. Araujo, Subashani Maniam, Eufrânio N. da Silva Júnior
Publikováno v:
Advanced Energy & Sustainability Research, Vol 5, Iss 10, Pp n/a-n/a (2024)
A water‐soluble anthraquinone derived from alizarin, 3HAAQ, is introduced as the redox‐active material in a negative potential electrolyte (anolyte) for aqueous redox flow batteries operating at pH 14. The synthesis of 3HAAQ is carried out using
Externí odkaz:
https://doaj.org/article/9ded41270afe4d29affcd72832da307a
Autor:
Walace D. do Pim, Tatiana A. Ribeiro-Santos, Ingrid S. Jardim, Mateus C.M. de Castro, Adriano H. Braga, Gustavo M. do Nascimento, Ildefonso Binatti, Humberto O. Stumpf, Eudes Lorençon, Maria H. Araujo, Cynthia L.M. Pereira
Publikováno v:
Materials & Design, Vol 160, Iss , Pp 876-885 (2018)
A pH-triggered bistable copper(II) complex acts as a molecular machine in which a molecular movement can be driven by the pH and the complex assumes deprotonate [Cu2L2]4− (1) or protonate form [Cu2(H2L)2] (2), where H2L = N,N′‑2,2′‑ethylene
Externí odkaz:
https://doaj.org/article/68cd23c4748942c98d70f40f4ac27cb3