Eduardo Rico Arias (1973–2011)

Arias, anxieties and epidemics.

Reply to Nannini and Arias.

TO THE EDITOR— We thank Nannini and Arias for their interest in our article [1]. They raise several important issues in assessing the impact of emergency department occult Staphylococcus aureus bacteremia on patient outcomes [2]. Although 30-day mortality is a commonly used study endpoint in most bacteremia outcome researches, we agree that a 30-day follow-up period might be inadequate for pati...

and EDUARDO

The number of individual investors who trade stocks online has significantly increased in recent years. Surprisingly, consumer researchers have paid little attention to how emotions influence individual investors’ stocktrading decisions. In a series of three experiments, the authors investigate the impact of incidental fear on the decision to sell in a stock market simulation. The results show ...

ARIAS: Automated Retinal Image Analysis System

In this paper, a system for automated analysis of retinal images is proposed. This system segments blood vessels in retinal images and recognizes the main features of the fundus on digital color images. The recognized features were defined as blood vessels, optic disc, and fovea. An algorithm called 2D matched filters response has been proposed for the detection of blood vessels. Also, automati...

Eduardo J. Delgado

O potencial elétrico de uma membrana dopada com trioleína e colocada entre duas soluções aquosas de cloretos de sódio e potássio foi analisada para verificar a ocorrência de caos determinístico, usando métodos padrão de teoria de sistemas dinâmicos não lineares. Os resultados fornecem evidências sólidas de que este sistema apresenta dinâmica caótica, e não é apenas um exemplo de ruído experimen...