Printed electrochemical sensors modified with covalent organic framework for pesticide detection in the urine of agricultural workers - Martins, Thiago Serafim; Henrique, Fábio Junior Ferreira da Silva; Birolli, Willian Garcia; Bott Neto, José Luiz; Silveira, Henrique César Santejo; Esteves, Pierre Mothé; Oliveira Junior, Osvaldo Novais de (Brazil MRS Meeting, 2025)