Strain‐Driven Negative Resistance Switching of Conductive Fibers with Adjustable Sensitivity for Wearable Healthcare Monitoring Systems with Near‐Zero Standby Power (Adv. Mater. 36/2023)

Strain Sensors In article number 2303556, Taeyoon Lee, Hyun Jae Kim, and co-workers introduce a breakthrough negative-responsive switch-type fiber strain-sensor, which exhibits a dramatic conductivity shift from insulating to conducting properties. This sensor, pivotal for ultralow-power healthcare monitoring, activates uniquely with abnormal body functions or applied strain. The “E-fitness pants” here are a wearable system for monitoring exercise while also counting repetitions, thus encapsulating a holistic approach to fitness and health tracking.