Relative resistance change of hydrogel as a function of tensile strain; the response and recovery times of hydrogel; relative resistance change of hydrogel-based strain sensor in response to finger ...

Researchers have developed a hydrogel-based strain sensor that measures blood potassium from a single drop of serum in two minutes, enabling faster and less invasive monitoring for patients with ...

Stretchable MXene hydrogel sensor tracks heart rate and respiration during intense exercise, staying stable under heat, humidity, motion, and sweat. (Nanowerk News) Continuous monitoring of heart rate ...