Prof. Marcelo Pedrosa Gomes is a professor in the Plant Biology Department at the Universidade Federal do Paraná. He received a PhD from Universidade Federal de Lavras and UQAM Faculté des Sciences. His research mainly focuses on reactive oxygen species, oxidative stress, oxidative stress biomarkers, free radicals, antioxidant activity, lipid peroxidation, free radical scavengers, biomarkers, DNA damage, and antioxidants.