Carbon-nanotube amperometric sensor for selective determination of 4-chloroaniline in commercial chlorhexidine solutions - Montes, Rodrigo H. O; Lima, Ana P; Santos, Vagner Barros dos; Vidal, Denis Tadeu Rajh; Lago, Claudimir Lucio do; Richter, Eduardo Mathias; Muñoz, Rodrigo Alejandro Abarza (Sensors and Actuators B: Chemical, 2016)