A dispersive liquid–liquid microextraction method for the determination of ayahuasca alkaloids (N,N-dimethyltryptamine and β-carbolines) in human hair - Santos, Fabiana Pereira; Paranhos, Beatriz Aparecida Passos Bismara; Sandini, Thaisa Meira; Bruno, Vitor; Yonamine, Maurício (Talanta, 2026)