Results 41 to 50 of about 2,927,072 (293)

Association between C-reactive protein with all-cause mortality in ELSA-Brasil cohort [PDF]

open access: yes, 2020
Background: High-sensitive C-reactive protein (hsCRP) has been proposed as a marker of incident cardiovascular disease and vascular mortality, and it may also be a marker of non-vascular mortality.
Alvim Matos, Sheila M.   +10 more
core   +3 more sources

Hackers no Brasil

open access: yesRevista Contracampo, 2008
Este artigo faz parte da última fase da pesquisa "A Cibercultura no Brasil. Aspectos da Cultura Cyberpunk", realizada na Faculdade de Comunicação com apoio do CNPq. Aqui apresentamos uma breve descrição das atividades dos hackers brasileiros, analisando o conteúdo dos sítios desfigurados em 2001. A amostragem e o universo dos sítios analisados bem como
Lemos, André   +2 more
openaire   +4 more sources

Some exact solutions of the Dirac equation [PDF]

open access: yes, 2000
Exact analytic solutions are found to the Dirac equation for a combination of Lorentz scalar and vector Coulombic potentials with additional non-Coulombic parts.
de Castro, A. S., Franklin, J.
core   +3 more sources

RKIP overexpression reduces lung adenocarcinoma aggressiveness and sensitizes cells to EGFR‐targeted therapies

open access: yesMolecular Oncology, EarlyView.
RKIP, a metastasis suppressor protein, modulates key oncogenic pathways in lung adenocarcinoma. In silico analyses linked low RKIP expression to poor survival. Functional studies revealed RKIP overexpression reduces tumor aggressiveness and enhances sensitivity to EGFR‐targeted therapies, while its loss promotes resistance.
Ana Raquel‐Cunha   +10 more
wiley   +1 more source

Cartografia de um encontro: Sophia e Cecília

open access: yesConvergência Lusíada, 2019
Sophia de Mello Breyner Andresen, além de poemas, escreveu uma série de ensaios que, embora não estejam ainda copilados em livro, mostram a proximidade de sua voz com a de outros autores em língua portuguesa, como Cecília Meireles.
Eduardo Silva Russell
doaj   +1 more source

Migração no Brasil

open access: yesRevista Mosaico, 2020
O objetivo deste artigo é analisar eventuais impasses à concretização da mudança de paradigma no tratamento ao migrante proposta pela Lei nº 13.445/2017. O referido instrumento normativo propõe uma abordagem pautada na defesa dos direitos humanos e no acolhimento humanitário do indivíduo que migra para o Brasil, regulamentando o já disposto na ...
Likem Edson Silva de Jesus   +1 more
openaire   +4 more sources

Short‐term actions of epigalocatechin‐3‐gallate in the liver: a mechanistic insight into hypoglycemic and potential toxic effects

open access: yesFEBS Open Bio, EarlyView.
Epigallocatechin‐3‐gallate (EGCG) acutely inhibited gluconeogenesis and enhanced glycolysis, glycogenolysis, and fatty acid oxidation in perfused rat livers. Mechanistic assays revealed mitochondrial uncoupling, inhibition of pyruvate carboxylation and glucose‐6‐phosphatase, shift of NADH/NAD+ ratios toward oxidation, and loss of membrane integrity ...
Carla Indianara Bonetti   +8 more
wiley   +1 more source

Sistemática de um fator de qualidade dos eventos científicos

open access: yesBiblios, 2020
Objetivo. Identificar as características e relevância das publicações em eventos, o impacto de citações (índice-h, g e citação/ano) e a geração de um índice de impacto. Método.
Adilson Luiz Pinto   +3 more
doaj   +1 more source

Weak values in collision theory

open access: yes, 2018
Weak measurements have an increasing number of applications in contemporary quantum mechanics. They were originally described as a weak interaction that slightly entangled the translational degrees of freedom of a particle to its spin, yielding ...
Brasil, Carlos Alexandre   +2 more
core   +1 more source

A general model for analysis of linear and hyperbolic enzyme inhibition mechanisms

open access: yesFEBS Open Bio, EarlyView.
We developed a general enzyme kinetic model that integrates these six basic inhibition mechanism onto a single one. From this model, we deduced a general enzyme kinetic equation that through modulation of simple parameters, γ (the relative inhibitor affinity for two binding sites) and β (the reactivity of the enzyme–substrate–inhibitor complex), is ...
Rafael S. Chagas, Sandro R. Marana
wiley   +1 more source

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