ABSTRACT Research on chloride sensors is important for applications in the food industry, drinking water quality control, and medicine for the determination of cystic fibrosis (CF). In this work, we report the chemical synthesis of silver nanoparticles (AgNPs) used as chloride sensors. These AgNPs were characterized by XRD, TEM, and electrochemical techniques. The chloride sensor response showed a linear range between 0 and 160 m m chloride in PBS (pH 5.6) and a sensitivity of 55.4 ± 0.3 mV/decade. In addition, a MOSFET transistor was developed as a QA voltage source for coupling the transducer to amplify the signal by 1 610.27% of the initial response, reducing quantification times to less than 40 s, analyzing results, and transmitting data to a mobile device via WI‐FI. A linear range of 0 to 160 m m and a sensitivity of 0.012 V m m −1 with high reproducibility were achieved with the MOSFET transistor. This chloride sensor enables fast and efficient measurement of chlorides using AgNPs and a MOSFET transistor, which could be used for monitoring and auxiliary diagnosis of cystic fibrosis.
Escalona-Villalpando et al. (Thu,) studied this question.