During the last two decades there has been increasing concern within the scientific
community related to the effects of indoor air quality on health. Changes in building design …

Batch sorption experiments were carried out to remove methylene blue from its aqueous
solutions using zeolites synthesized from fly ashes as an adsorbent. The adsorbents were …

A corrosão constitui um processo natural que pode ser facilmente encontrado em diferentes
tipos de superfícies e representa uma das principais causas de perdas econômicas no setor …

The detection of anionic species is a field which is currently attracting increasing interest.
Research is carried out not only to gain a better understanding of biological events that …

This work presents a review of sampling and analytical methods that can be applied to
atmospheric traces of reduced sulphur compounds (RSC) in the atmosphere. Sampling …

The dereplication of aporphine and oxoaporphine alkaloids by direct infusion in ESI-IT-MSn
system was applied for alkaloidal fractions of the Unonopsis guatterioides (Annonaceae). Its …

The concentration of 14 organic acids of 50 sugarcane spirits samples was determined by
gas chromatography using flame ionization detection. The organic acids analytical …

This work aimed to carry out an environmental monitoring in sabino narrow river (affluent of
Tibiri Basin, in São Luís-MA, Brazil), in order to verify the main environmental impacts …

To choose among the variety of oleaginous plants for biodiesel production, the oil content of
several matrices was determined through different low-field ¹H nuclear magnetic resonance …

In this manuscript, seasonal and spatial trends of water collected from two sampling places
in the Preto River in the Turvo-Grande watershed were evaluated. Water samples were …