Trypanosoma cruzi, a parasitic protozoan, is the etiological agent of Chagas disease, an endemic and neglected pathology in Latin America. It presents a life cycle that involves a hematophagous insect and man as well as ...

The constant emergence of antibiotic multi-resistant pathogens is a concern worldwide. An alternative for bacterial treatment using nM concentrations of tellurite was recently proposed to boost antibiotic-toxicity and a ...

In hyperandrogenic states an abnormal pattern of LH secretion in women is observed, which is presumed to result from a direct action of androgen or its conversion to estrogen. Two strategies are available to study the ...

The effect of the disturbances caused by the American beaver (Castor canadensis), introduced to the Cape Horn Biosphere Reserve, on species of birds that are forest habitat specialists is poorly understood. Using telemetry ...

Carbon-based secondary compounds (CBSCs), such as phenols or tannins, have been considered as one of the most important and general chemical barriers of woody plants against a diverse array of herbivores. Herbivory has ...

Semiparametric methods have been used to assess the impact of policies such as changes in the minimum wage on the distribution of wage earnings. While the methods are in the spirit of the Blinder-Oaxaca decomposition, ...

Aim Taxonomic comparisons of alien floras across climatically similar regions have been proposed as a powerful approach for increasing our understanding of plant invasions across scales. However, detailed comparisons between ...

Studies have demonstrated the significance of intrinsic sensory attributes on consumer responses to fruits. This paper evaluates the effects on consumers of intrinsic characteristics on new and existing fruit varieties. ...

This thesis investigates the relationship between crises and reforms by looking at whether reforms are more likely during crises, and whether democracies and autocracies implement reforms differently in the presence of a ...

The human-animal relationship is an important component of farm animal welfare. Previous studies have shown that allowing animals to observe the gentle handling of a conspecific reduces fear and increases their affinity ...