In the context of the widespread application of new materials and technologies,flexible wearable sweat monitoring devices have become a hot spot for current research at home and abroad.At present,sweat detection based on flexible wearable devices generally requires three steps:sweat sampling,selective detection of target analytes,and system integration and control.This paper mainly starts from the advantages of in situ detection of sweat,summarizes the stimulation and extraction methods of sweat,and analyzes and evaluates the research progress of electrochemical sweat sensors from multiple perspectives.Finally,the shortcomings of current wearable sweat sensors and the development direction of future systems are discussed.
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