Affiliation:
1. Shenzhen Key Laboratory of Flexible Printed Electronics Technology School of Science Harbin Institute of Technology (Shenzhen) University Town Shenzhen Guangdong 518055 China
2. SUSTech Energy Institute for Carbon Neutrality Department of Mechanical and Energy Engineering Southern University of Science and Technology Shenzhen Guangdong 518055 China
3. Wuhan Tanweng Technology Co. Ltd Wuhan 430119 China
4. State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular Science Laboratory of Advanced Materials Fudan University Shanghai 200438 China
Abstract
AbstractSeamlessly integrating biosensors into clothing for personalized stress level monitoring, specifically targeting cortisol, a stress‐related compound found in sweat, shows great potential for efficiently monitoring and managing individual mental and physical well‐being. Nevertheless, realizing the fabric biosensor faces a notable challenge, as it involves the persistent obstacle of ensuring reusability and washability. Here, a fabric sensing system constructed by a fiber electrode for rapid and reliable cortisol detection with high repeatability, breathability, and stability is reported. The fibers are assembled from aligned carbon nanotubes and functionalized with a molecularly imprinted polymer containing redox‐active nanoreporters. Through washing with ethanol, the fabricated fabric sensor exhibits high reusability for over 100 cycles detecting cortisol. The key is the large active surface area and elaborately designed channel distance in the fiber electrode, ensuring a stable interface between the polymer and the fiber electrode. The resulting fabric sensing system presents convenient monitoring of cortisol levels, allowing assessment of stress levels to understand emotions and health condition better.
Funder
National Natural Science Foundation of China
Basic and Applied Basic Research Foundation of Guangdong Province
Shenzhen Science and Technology Innovation Program
Subject
Electrochemistry,Condensed Matter Physics,Biomaterials,Electronic, Optical and Magnetic Materials