Zobrazeno 1 - 10
of 84
pro vyhledávání: '"João Carlos Lima"'
Autor:
João Carlos Lima
Publikováno v:
Revista Fatec Zona Sul, Vol 9, Iss 3, Pp 1-12 (2023)
A evasão no contexto escolar é um problema que afeta diretamente a qualidade da educação. Em cursos técnicos de nível médio as consequências são ainda mais graves. O uso de aprendizado de máquina permite realizar a previsão de comportament
Externí odkaz:
https://doaj.org/article/121727e2242b4580a46da4e09e909590
Autor:
David Magalhães Sousa, William Chiappim, Joaquim P. Leitão, João Carlos Lima, Isabel Ferreira
Publikováno v:
ACS Omega, Vol 5, Iss 22, Pp 12877-12881 (2020)
Externí odkaz:
https://doaj.org/article/7f9de459f6eb475987712d604d9e908e
Publikováno v:
Materials Letters: X, Vol 6, Iss , Pp 100033- (2020)
Polyoxometalates (POMs) as anionic metal oxides are promising candidates for application in dye-sensitized solar cells (DSSCs) due to their peculiar properties including a reversible and multi-electron redox behavior. In this work, four polyoxometala
Externí odkaz:
https://doaj.org/article/4068e0f9a12b465c929fe2585f833b1d
Autor:
Bruno M. Guerreiro, Jorge Carvalho Silva, João Carlos Lima, Maria A. M. Reis, Filomena Freitas
Publikováno v:
Polymers, Vol 13, Iss 18, p 3020 (2021)
Reactive oxygen species (ROS) are dangerous sources of macromolecular damage. While most derive from mitochondrial oxidative phosphorylation, their production can be triggered by exogenous stresses, surpassing the extinction capacity of intrinsic ant
Externí odkaz:
https://doaj.org/article/56d5f9e4ce84483985c0060c7fa83a0b
Autor:
Thaísa Leite Rolim, Déborah Ribeiro Pessoa Meireles, Tatianne Mota Batista, Tatyanna Kelvia Gomes de Sousa, Vivianne Mendes Mangueira, Renata Albuquerque de Abrantes, João Carlos Lima Rodrigues Pita, Aline Lira Xavier, Vicente Carlos Oliveira Costa, Leônia Maria Batista, Marcelo Sobral da Silva, Marianna Vieira Sobral
Publikováno v:
BMC Complementary and Alternative Medicine, Vol 17, Iss 1, Pp 1-12 (2017)
Abstract Background The essential oil from Mesosphaerum sidifolium (L’Hérit.) Harley & J.F.B.Pastore (syn. Hyptis umbrosa), Lamiaceae (EOM), and its major component, have been tested for toxicity and antitumor activity. Methods EOM was obtained fr
Externí odkaz:
https://doaj.org/article/fb5548d1299a44369953da8ca30fe23e
Autor:
João Sarrato, Ana Lucia Pinto, Gabriela Malta, Eva G. Röck, João Pina, João Carlos Lima, A. Jorge Parola, Paula S. Branco
Publikováno v:
Molecules, Vol 26, Iss 10, p 2934 (2021)
A set of 3-ethynylaryl coumarin dyes with mono, bithiophenes and the fused variant, thieno [3,2-b] thiophene, as well as an alkylated benzotriazole unit were prepared and tested for dye-sensitized solar cells (DSSCs). For comparison purposes, the var
Externí odkaz:
https://doaj.org/article/4a8302f90f134a33b2ad373e043c7a40
Autor:
Marian Rosental, Richard N. Coldman, Artur J. Moro, Inmaculada Angurell, Rosa M. Gomila, Antonio Frontera, João Carlos Lima, Laura Rodríguez
Publikováno v:
Molecules, Vol 26, Iss 9, p 2444 (2021)
The synthesis of two new phosphane-gold(I)–napthalimide complexes has been performed and characterized. The compounds present luminescent properties with denoted room temperature phosphorescence (RTP) induced by the proximity of the gold(I) heavy a
Externí odkaz:
https://doaj.org/article/fd56810b042f4fbf9c70979ca2b3062b
Publikováno v:
Molecules, Vol 26, Iss 1, p 106 (2020)
To this day, the recognition and high affinity binding of biomolecules in water by synthetic receptors remains challenging, while the necessity for systems for their sensing, transport and modulation persists. This problematic is prevalent for the re
Externí odkaz:
https://doaj.org/article/4f47a34dc1f346369b9dc942b5335491
Autor:
Raquel Garcia, Elisabete P. Carreiro, João Carlos Lima, Marco Gomes da Silva, Ana Maria Costa Freitas, Maria João Cabrita
Publikováno v:
Foods, Vol 9, Iss 5, p 618 (2020)
A new generation of advanced materials developed by molecular imprinting technology showing a stimuli-responsive functionality are emerging. The switchable ability to control the uptake/release of the target analyte by action of external stimulus com
Externí odkaz:
https://doaj.org/article/b2042169b7e746f9ba939e6d2ec789c8
Autor:
Francisco J. Caparrós, Mani Outis, Yongsik Jung, Hyeonho Choi, João Carlos Lima, Laura Rodríguez
Publikováno v:
Molecules, Vol 25, Iss 4, p 949 (2020)
A new 2,7,10,15-tetraethynyldibenzo[g,p]chrysene ligand (1) and two tetranuclear gold(I) derivatives containing PPh3 (3) and PMe3 (4) phosphines were synthesized and characterized by 1H and 31P NMR, IR spectroscopy, and high-resolution mass spectrome
Externí odkaz:
https://doaj.org/article/afc7aa679aae47f6a82016f9c24b3289