The cumulative standard addition method allows the calibration of an instrument affected by matrix effects when a small sample volume is available. Recently, it was developed and validated a metrologically sound procedure ...

This work presents a low-cost, simple and adequately reliable voltammetric alternative to the determination of uric acid (UA) in human serum by the enzymatic colorimetric standard method. UA is an organic molecule of great ...

In this study, we present a PSHA (Probabilistic Seismic Hazard Analysis) for the city of San Juan, which is located in the central-western region of Argentina (30°S–35.5°S; 66.5°W–71°W). In addition to crustal earthquakes ...

Recent institutional and cultural changes have allowed individuals to gradually (but persistently) follow more complex, less uniform, and less predictable work and family patterns than the patterns often assumed to be the ...

The presence of chemical contaminants in food has received considerable media attention due to consumers’ increasing demands for safe, nutritious and high quality food. The issue is controversial and complicated, and ...

Este trabalho apresenta metodologias de desenvolvimento, otimização, e validação de procedimentos de medição eletroquímica de parâmetros bioquímicos em fluidos biológicos. As ferramentas desenvolvidas foram aplicadas à ...

Industrial recurrent event data where an event of interest can be observed more than once in a single sample unit are presented in several areas, such as engineering, manufacturing and industrial reliability. Such type of ...