TY - BOOK AU - Escobar,Patricia AU - Hernández,Indira P AU - Martínez,Fernando AU - Páez,Edgar AU - Rueda,Cesar M TI - Photodynamic activity of aluminium (III) and zinc (II) phthalocyanines in Leishmania promastigotes CY - Bogotá KW - Leishmania KW - Fotoquimioterapia KW - In Vitro KW - Quimioterapia KW - Colombia N2 - Introduction. Photodynamic therapy is a two-step procedure, involving the use of photosensitizing agents followed by selective illumination of the target lesion with visible light. It produces highly reactive oxygen species and subsequent cellular damage ER -