Santana de Lima, Ricardo, Biologist, IB/UFBA, Doctor in Pathology, FAMED-UFBA/CPqGM-Fiocruz-BA, Adjunct Professor III, Univasf, Professor of the Post-Graduate Program in Materials Science and Manager of Teaching and Research at the HU-Univasf/Ebserh, Petrolina, Pernambuco, Brazil, Brazil