Research progress in wearable optical sweat sensors
The progress of biosensors has promoted the rapid development of wearable health monitoring technology.Sweat is rich in a variety of biomarkers related to human health.Wearable sensing technology based on sweat detection has important application value for human health monitoring.In addition to traditional electrochemical detection,optical detection is a fast,simple and convenient measurement method.It plays a vital role in the field of wearable sweat sensing.Therefore,this review describes the progress of research on wearable optical sweat sensing technology in the last five years,from flexible interface materials to sweat collection methods and optical detection principles and methods.Furthermore,the problems of wearable optical sweat sensors are summarized,and their development and future prospects are discussed.