Author:Mbonyiryivuze, A; Nuru, ZY; Ngom, BD; Mwakikunga, Bonex W; Dhlamini, SM; Park, E; Maaza, MDate:Jun 2015Melanins are difficult to characterize because of their intractable chemical properties and the heterogeneity in their structural features. Melanin pigments, in fact, are composed of many different types of monomeric units that are connected ...Read more