An electrochemical furosemide sensor based on pencil graphite surface modified with polymer film Ni-salen and Ni(OH)2/C nanoparticles - Martins, Thiago S.; Bott Neto, José Luiz; Raymundo-Pereira, Paulo A; Ticianelli, Edson Antonio; Machado, Sergio Antonio Spinola (Sensors and Actuators B: Chemical, 2018)