The sensor, developed by Yoshinobu BABA and colleagues, is based on the measurement of ionic microcurrents where noise from other environmental particles is suppresed by a circuit bridge in a simple, lightweight electromagnetic shield. Accuracy of size detection of Staphylococcus aureus (S. aureus) was equivalent to that obtained by SEM imaging.

ACS publication doi 10.1021 / acssensors.8b00045