Screen-Printed Nanohybrid Palladium-Based Electrodes for Fast and Simple Determination of Estradiol in Livestock - Claudio Sabbatini Capella Lopes; Francisco Walison Lima Silva; Juliana dos Santos Fernandes; Julia Oliveira Fernandes; João H. A. Ferreira; Felipe Zandonadi Brandão; Ricardo Erthal Santelli; Thiago C. Canevari; Fernando Henrique Cincotto (ACS Omega)