31 documents found, page 1 of 4
Comunicação de risco em saúde no contexto Português: Uma perceção da pandemia a...
Di Fátima, B.; Garcia, F.; Espanha, R.; Barros, A.; Martins, N.; Brandão, D.Este artigo analisa a atividade de comunicação da Direção-Geral da Saúde (DGS) no Facebook durante a pandemia de Covid-19. A DGS, como principal entidade na comunicação sobre matérias de saúde, protagonizou o combate contra a Covid-19 através da orientação e esclarecimento dos cidadãos em Portugal. O estudo centrou-se no período crítico da pandemia (02/03/2020 a 27/12/2020), tendo sido analisadas um total de 1....
The role of professional calling and student cyberbullying on teachers’ present...
Ferreira, A. I.; Almeida, I. T. R. de.; Ferreira, P. A. N. da C.; Pereira, N.; Simão, A. M. V.; Pinto, A. M.; Barros, A.The teaching profession has always been recognized as one that requires a greater vocational calling. However, education professionals have had to adapt to and manage phenomenons which have arisen due to more demanding work contexts that require them to participate in work, even when they are ill (presenteeism), and to a global-wide digital transformation. Such phenomenons include cyberbullying, which has proli...
Towards a perception-based understanding of tyre/road noise
Barros, A.; Vuye, C.; Freitas, E. F.; Pereira, F.; Sousa, E.Environmental noise, and mostly road traffic noise, is a major environmental risk factor to human health. Strategies concerning noise abatement have been focusing on reducing objective noise levels. However, previous research has proven that other characteristics of noise, such as spectral content and temporal evolution, better explain how people perceive the acoustic environment. These characteristics can be q...
Ensino e aprendizagem à distância em tempos de COVID-19 um estudo com alunos do...
Flores, Maria Assunção; Veiga Simão, A. M.; Barros, A.; Flores, P.; Pereira, D.; Fernandes, E.; Ferreira, P.; Costa, L.A pandemia da COVID-19 desencadeou mudanças e efeitos sem precedentes nas instituições educativas. Também no ensino superior se assistiu a um processo rápido de transição do ensino presencial para o ensino remoto. Este estudo teve como objetivo conhecer as perceções dos estudantes do Ensino Superior sobre o ensino e a aprendizagem à distância durante o 2º semestre de 2019/2020 (n = 2718). Os dados foram recolhi...
Performance indicators in the construction industry: a study with Portuguese co...
Barros, A.; Sousa, Sérgio; Nunes, Eusébio P.This paper aims to study the use of performance indicators (PIs) by business managers in the civil construction sector in a region that encompasses eight districts located in the north of Portugal. Through the literature review, it was possible to gather a list of twenty potential PIs used in this sector. Subsequently, a questionnaire was applied to a sample of construction companies from this region. A statist...
Heterotrophy as a tool to overcome the long and costly autotrophic scale-up pro...
Barros, A.; Pereira, H.; Campos, J.; Marques, A.; Varela, J.; Silva, J.Industrial scale-up of microalgal cultures is often a protracted step prone to culture collapse and the occurrence of unwanted contaminants. To solve this problem, a two-stage scale-up process was developed - heterotrophically Chlorella vulgaris cells grown in fermenters (1st stage) were used to directly inoculate an outdoor industrial autotrophic microalgal production unit (2nd stage). A preliminary pilot-scal...
Corino de Andrade disease: mechanisms and impact on reproduction
Lopes, R.; Coelho, T.; Barros, A.; Sousa, M.Familial amyloid polyneuropathy was first described by Corino de Andrade in 1952 in Northern Portugal. It is a fatal autosomal dominant neurodegenerative disorder characterized by a progression of neurologic symptoms, beginning early in the reproductive life. The Transthyretin gene mutation originates a mutated protein that precipitates in the connective tissue as amyloid deposits. This disease is presently nam...
Doce Matemática
Couto, A.; Maia-Lima, C.; Santos, H.; Ribeiro, A.; Barros, A.A matemática deve ser trabalhada no jardim de infância de uma forma teoricamente fundamentada, aliando o lúdico ao pedagógico. Assim destaca-se a construção do sentido de número, através de experiências significativas que se traduzem em variadas representações, consoante o nível de desenvolvimento da criança. Deste modo implementou-se uma tarefa matemática, com crianças entre os 4 e 5 anos, cujo principal foco ...
Genetic variants of CYP2C9 and IL-6 on female infertility
Cardoso, R.; Gonçalves, A.; da Silva, J.M.; Oliveira, C.; Xavier, P.; Alves, H.; Barros, A.; Botelho, M.C.AIM: To study the polymorphic variants in CYP2C9*2*3 and the C-174G promoter polymorphism of the IL-6 gene on Infertile Women.BACKGROUND: - Infertility affects 15–20% of couples worldwide. Within the past decades, there has been a steady rise in the treatment of female infertility with several drugs; - The cytochrome P450 (CYP) genes are oxygenases involved in estrogen biosynthesis and metabolism, generation of...
Simultaneous determination of Deoxynivalenol, Deoxynivalenol-3-Glucoside and Ni...
Trombete, F.; Barros, A.; Vieira, Madalena; Saldanha, Tatiana; Venâncio, Armando; Fraga, M.Deoxynivalenol-3-glucoside (D3G) is a modified mycotoxin formed by the metabolism of plants through the conjugation of deoxynivalenol (DON) with glucose. Toxicology studies of D3G for human and animal health are still under investigation, and the development of practical and reliable methods for its direct determination, especially in cereal matrices, is of great importance. In the present study, a methodology ...