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Valdir Florncio da Veiga Junior is an assistant professor in the Department of de Química at University Federal does Amazonas, in Brazil. Valdir Florncio research work on chemo-taxonomic characterization, biomarker.
Valdir Florncio da Veiga areas research are Porifera; Demospongiae, X-ray fluorescence; Amazonia; Freshwater sponges, chemo-taxonomic characterization, X-ray fluorescence inorganic analysis of D. browni, biomarker.
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