Zobrazeno 11 - 20
of 98
pro vyhledávání: '"Elisabete C. B. A. Alegria"'
Autor:
Elisabete C. B. A. Alegria, Ana P. C. Ribeiro, Marta Mendes, Ana M. Ferraria, Ana M. Botelho do Rego, Armando J. L. Pombeiro
Publikováno v:
Nanomaterials, Vol 8, Iss 5, p 320 (2018)
Gold nanoparticles (AuNPs) were prepared using an eco-friendly approach in a single step by reduction of HAuCl4 with polyphenols from tea extracts, which act as both reducing and capping agents. The obtained AuNPs were characterized by scanning elect
Externí odkaz:
https://doaj.org/article/61707db5472f4cc99d933e2d99612ec5
Autor:
Gopal S. Mishra, Elisabete C. B. A. Alegria, Armando J. L. Pombeiro, Luísa M. D. R. S. Martins
Publikováno v:
Catalysts, Vol 8, Iss 3, p 114 (2018)
A series of derivative C-scorpionate rhenium complexes, i.e., [ReCl2{NNC(O)C6H5}(Hpz)(PPh3)2] (A) (where Hpz is pyrazole), [ReCl2{NNC(O)C6H5}(Hpz)2(PPh3)] (B), [ReClF{NNC(O)C6H5}(Hpz)2(PPh3)] (C), and their precursor [ReOCl3(PPh3)2] (D), immobilized
Externí odkaz:
https://doaj.org/article/9aa6219c5df54192a1ca0418946940a1
Autor:
Ana P. C. Ribeiro, Inês A. S. Matias, Elisabete C. B. A. Alegria, Ana M. Ferraria, Ana M. Botelho do Rego, Armando J. L. Pombeiro, Luísa M. D. R. S. Martins
Publikováno v:
Catalysts, Vol 8, Iss 2, p 69 (2018)
For the first time, a magnetic C-scorpionate catalyst was prepared from the iron(II) complex [FeCl2{κ3-HC(pz)3}] (pz = pyrazol-1-yl) and ferrite, using the sustainable mechanochemical synthetic procedure. Its catalytic activity for the cyclohexane o
Externí odkaz:
https://doaj.org/article/91e4cdb819d94de8b62aeadf609e78cd
Autor:
Ana P. C. Ribeiro, Luísa M. D. R. S. Martins, Elisabete C. B. A. Alegria, Inês A. S. Matias, Tiago A. G. Duarte, Armando J. L. Pombeiro
Publikováno v:
Catalysts, Vol 7, Iss 8, p 230 (2017)
The catalytic activity of the iron(II) C-scorpionate complexes [FeCl2{HC(pz)3}] 1 (pz = pyrazol-1-yl) and [FeCl2{HOCH2C(pz)3}] 2, and of their precursor FeCl2·2H2O 3, towards cyclohexane oxidation with tert-butyl hydroperoxide was evaluated and comp
Externí odkaz:
https://doaj.org/article/6a9467300a1645748e3aaf3c661073b8
Autor:
Manas Sutradhar, Elisabete C. B. A. Alegria, M. Fátima C. Guedes da Silva, Luísa M. D. R. S. Martins, Armando J. L. Pombeiro
Publikováno v:
Molecules, Vol 21, Iss 4, p 425 (2016)
The reaction of the Schiff base (3,5-di-tert-butyl-2-hydroxybenzylidene)-2-hydroxybenzohydrazide (H3L) with a copper(II) salt of a base of a strong acid, i.e., nitrate, chloride or sulphate, yielded the mononuclear complexes [Cu(H2L)(NO3)(H2O)] (1),
Externí odkaz:
https://doaj.org/article/86511699abd54102905de290911486dd
Autor:
Carlos M. Granadeiro, Manas Sutradhar, Guilherme Marques, Mohamed M. A. Soliman, M. Fátima C. Guedes da Silva, Daniela S.S. Flores, Salete S. Balula, Armando J. L. Pombeiro, Elisabete C. B. A. Alegria
Publikováno v:
SSRN Electronic Journal.
Autor:
Mohamed M. A. Soliman, Elisabete C. B. A. Alegria, Anirban Karmakar, Marta S. Saraiva, Ana P.C. Ribeir, Guilherme M. D. M. Rúbio, M. Fátima C. Guedes da Silva, Armando J. L. Pombeiro
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Pure ZnO nanoparticles were synthesized by a sustainable precipitation method using zinc nitrate and sodium hydroxide in aqueous medium at room temperature. They were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM-EDX), t
Autor:
Elisabete C. B. A. Alegria, M. Fátima Montemor, Armando J. L. Pombeiro, Ana P. C. Ribeiro, Mohamed M. A. Soliman, Marta S. Saraiva, Marta M. Alves
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
ZnO nanoparticles (ZnONPs) were successfully synthesized using bravo-de-esmolfe apple extract in aqueous medium at room temperature. ZnO microparticles, prepared with a pure apple phytochemical, quercetin (ZnOq), or without phytochemicals (ZnO) were
Autor:
Elisabete C. B. A. Alegria, Carlos M. Granadeiro, Luís Manuel Mendes Correia, Mohamed M. A. Soliman, Armando J. L. Pombeiro, Salete S. Balula, Luísa M. D. R. S. Martins
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
The neutral trichloro[hydrotris(1-pyrazolyl)methane]vanadium(III) [VCl3(Tpm)] (Tpm = HC(pz)3; pz = pyrazolyl) C-scorpionate complex was immobilized on amine-functionalized mesoporous silica (aptesSBA-15) via an impregnation method forming the [VCl3(T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ef23985e1c3f9daa616f810992d52de