New materials for an efficient method for determination of 5-fluorouracil by voltammetric method glassy carbon electrode modified with gold nanostars, graphene oxide, and nanocellulose film - Materon, Elsa Maria; Santos, Anderson Martin dos; Teodoro, Kelcilene Bruna Ricardo; Corrêa, Daniel Souza; Carrilho, Emanuel; Wong, Ademar (Brazil MRS Meeting, 2023)