Isolation, structural characterization and comparative electrophysiological study between Ts1 and its precursor - Coelho, Vinicius Adriano; Varanda, Wamberto Antonio; Cremonez, Caroline Marroni; Anjolette, Fernando Antonio Pino; Aguiar, José Fernando; Arantes, Eliane Candiani (Meeting of the Pan American Section of the International Society on Toxinology, 2010)