Open Access Miguel J. Beltrán-García, Fernanda M. Prado, Marilene S. Oliveira, David Ortiz-Mendoza, Alexsandra C. Scalfo, Adalberto Pessoa Jr, Marisa H. G. Medeiros, James F. White, The term “melanin” encompasses a heterogeneous group of polymeric amorphous substances without a defined structure, that share properties of being black or brown to red in colour, highly insoluble […]