Comparative study of the capacitance sensitivity of interdigital capacitive sensors based on graphene for the measurement of Cd+2 concentration. - Jimmy Ludeña-Choez; Juan José Choquehuanca Zevallos; María Verónica Carranza-Oropeza; Erika Catherine Salas-Arias; H. Saúl Pérez-Montaño (Comput. Electron. Agric., 2025)