Preparation of silver nanoparticles using aqueous extracts of the red algae Laurencia aldingensis and Laurenciella sp. and their cytotoxic activities - Vieira, Adriana Pires; Stein, Erika Mattos; Andreguetti, Daniel Xavier; Colepicolo, Pio; Ferreira, Ana Maria da Costa (Journal of Applied Phycology, 2016)