Herbicide detection using surface-enhanced raman scattering and impedance spectroscopy - Rubira, Rafael Jesus Gonçalves; Camacho, Sabrina Aléssio; Aoki, Pedro Henrique Benites; Maximino, Mateus; Constantino, Priscila Alessio; Martin, Cibely Silva; Oliveira Junior, Osvaldo Novais de; Fatore, Francisco Morgani; Paulovich, Fernando Vieira; Constantino, Carlos José Leopoldo (Brazilian MRS Meeting, 2014)