M. B. Freitas

Acute exposure of fruit bats to low concentrations of heavy metals affects oxidative stress markers

The paper examines the effects of low concentrations of heavy metals on oxidative stress in fruit bats, finding differential organ sensitivity and proposing a toxicity order of Ni > Pb > Cd > Cr.

Impacts of the Samarco tailing dam collapse on metals and arsenic concentration in freshwater fish muscle from Doce River, southeastern Brazil

This study assesses the impact of the Samarco tailings dam collapse on metal and arsenic concentrations in freshwater fish muscle tissue from the Doce River, finding higher arsenic and mercury levels in affected sites.