Resumen
Device for the simultaneous and rapid determination of the fertility hormones estradiol, progesterone, luteinizing hormone and prolactin in saliva comprising a biosensor (10) provided with four working electrodes (12, 13, 14, 15), an auxiliary electrode (11) and a reference electrode (16), characterized in that it comprises a single potentiostatic circuit (2) with a single channel, which shares the auxiliary and reference electrodes, a multiplexer (3) to multiplex the signals from the four electrodes of work, a transimpedance amplifier (4), an analog-digital signal converter (5) and a controller (6). (Machine-translation by Google Translate, not legally binding)