10 documents found, page 1 of 1
How to measure banking regulation and supervision
Pereira, C.; Ramalho, J. J. S.; Silva, J. V.This paper uses data from 141 countries to identify the variables that best characterize worldwide banking regulation and supervision practices. We apply a nonlinear principal components analysis with optimal variable transformation to deal with the variables’ mixed measurement levels and reduce data dimensionality. The robustness of the results is tested for different subsamples. The findings indicate that dep...
Stress response pathways in the male germ cells and gametes
Santiago, J.; Santos, M. A. S.; Fardilha, M.; Silva, J. V.The unfolded protein response (UPR) is a conserved and essential cellular pathway involved in protein quality control that is activated in response to several cellular stressors such as diseases states, ageing, infection and toxins. The cytosol, endoplasmic reticulum (ER) and mitochondria are continuously exposed to new proteins and in situations of aberrant protein folding; one of three lines of defence may be...
Exigência de metionina + cistina total para codornas de corte em crescimento
Corrêa, G. S. S.; Silva, M. A.; Corrêa, A. B.; Almeida, V.; Fontes, D. O.; Torres, R. A.; Dionello, N. J. L.; Freitas, L. S.; Ventura, R. V.Estudou-se a exigência de metionina + cistina total para codornas de corte em crescimento durante os períodos inicial (sete a 21 dias) e final (22 a 42 dias de idade). O delineamento experimental foi inteiramente casualizado, com cinco repetições de 13 codornas por unidade experimental. Os tratamentos consistiram de seis níveis de metionina + cistina total (0,73; 0,79; 0,85; 0,91; 0,97 e 1,03%). Foram estudadas...
Isoform-specific GSK3A activity is negatively correlated with human sperm motility
Freitas, M. J.; Silva, J. V.; Brothag, C.; Regadas-Correia, B.; Fardilha, M.; Vijayaraghavan, S.In mouse and bovine sperm, GSK3 activity is inversely proportional to motility. Targeted disruption of the GSK3A gene in testis results in normal spermatogenesis, but mature sperm present a reduced motility, rendering male mice infertile. On the other hand, GSK3B testis-specific KO is fertile. Yet in human sperm, an isoform-specific correlation between GSK3A and sperm motility was never established. In order to...
The main determinants of banking crises in OECD countries
Pedro, C. P.; Ramalho, J. J. S.; Silva, J. V.Banks’ stability can be affected by economic fluctuations, banks’ risk-taking behavior, connections among banks and countries’ financial system structure. At the same time, banking regulation and supervision were designed to protect banks from failure, but a large number of banking crises were not prevented recently. Using binary response models for panel data and focusing on OECD countries, this paper studies ...
Ten Years Assessment of ICZM Principles Applied at a Local Scale: Ria de Aveiro...
Alves, F. L.; Silva, J. V.; Pereira, C. A.; Sousa, L. P.The need for an integrated management for Ria de Aveiro Lagoon is not new. Back in the 90’s the European Commission stated that, concerning the management of the coastal zones, there was a lack of coordination and concertation between the governmental institutions and the different sectors of activities This circumstance was not related to the amount and quality of the management instruments and laws but due to...
Competing uses on marine space: methodological aspects to consider in estuary m...
Sousa, L. P.; Alves, F. L.; Silva, J. V.Coastal and marine systems are of strategic importance as they play a crucial role in almost all biogeochemical processes that sustain the biosphere and provide a variety of goods and services which are essential to the well- b eing of mankind. Despite their value, coastal and marine systems and the services they provide are becoming increasingly vulnerable. Based on the recognition of bo th the importance and ...
The long-term financing decision process: a comparative study of the views and ...
Ramos, A.; Silva, J. V.; Saraiva, M.; Lacerda, P.This paper reports the findings of a survey conducted in 2005 to study the practices related to the financing decisions of the Chief Financial Officers (CFOs) of the largest firms that operate in Portugal. The results of research confirm similar practices with European and American CFOs, as well as significant differences in the most important determinants of debt decisions. The results show the predominance of...
Salicórnia como produto fermentado: desenvolvimento de condições óptimas para u...
Raposo, M. F. de J; Silva, J. V.; Neri, M.; Morais, R. M.
Salicórnia como produto fermentado: desenvolvimento de condições óptimas para u...
Raposo, M. F.; Silva, J. V.; Neri, Margarida; Morais, R. M. S. C.In order to develop a fermented product with young stems of salicomia/pickleweed, an experiment was worked out and the fermentative process was studied. Initial data on the bacterial fauna of the plants revealed the existence of no lactic acid bacteria. Therefore, we chose to use of starting cultures. Sterile "heart cabbage" juice was the base for different fermentative bacteria: Lactobacillus plantarum, Leucon...