Smartphone-based battery-free and flexible electrochemical patch for calcium and chloride ions detections in biofluids

• Published in: Sensors and actuators. B, Chemical Vol. 297; p. 126743
• Main Authors: Xu, Gang, Cheng, Chen, Yuan, Wei, Liu, Zhaoyang, Zhu, Lihang, Li, Xintong, Lu, Yanli, Chen, Zetao, Liu, Jinglong, Cui, Zheng, Liu, Jingjing, Men, Hong, Liu, Qingjun
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 15.10.2019; Elsevier Science Ltd
• Subjects: Batteries; Battery-free; Biofluids; Calcium chloride; Chloride ions; Circuits; Data transmission; Detection; Electrochemical sensing; Energy harvesting; Flexible electronics; Inductive coupling; Near field communication; Real time; Selectivity; Sensors; Serpentine; Signal processing; Smartphone; Smartphones; Stability; Stretchable electrodes; Sweat; Tattoos; Urine; Electrochemical sensing; Battery-free; Stretchable electrodes; Biofluids; Flexible electronics; Smartphone

[Display omitted] •The electrochemical patch is totally battery-free and wireless, which enabled wireless power and data transmission with smartphones.•The printed stretchable electrode array could maintain stable conductivity during stretching, without serpentine designs.•The patch achieved quantit...