Carlos Pérez Bergmann is a full Professor at Federal University of Rio Grande do Sul, Brazil. He has experience in Material and Metallurgical Engineering, acting on the following subjects: nanostructured materials; surface engineering, materials characterization and recycling of materials.
Fernando Machado Machado is Professor at Federal University of Pelotas, Brazil. He has experience in Material and Metallurgical Engineering, acting on the following subjects: synthesis, characterization and application of nanomaterials, carbon nanotubes, nanoadsorbents, adsorption and effluent treatment.