A flexible wireless sweat glucose and pH sensing platform integrated with a pH-based correlation model was developed to accurately predict continuous changes in blood glucose during exercise, validated in both healthy individuals and diabetic patients to facilitate diabetes management.
Key Findings
Methods
A flexible wireless sweat sensing platform integrating glucose and pH sensors was developed for continuous blood glucose monitoring during exercise.
The platform combines sweat glucose and pH sensing with wireless data transmission.
The device is described as flexible, enabling wearable use during physical activity.
The system targets both healthy individuals and diabetic patients during exercise therapy, training, and fitness activities.
The platform integrates a pH-based correlation model to translate sweat glucose measurements into blood glucose predictions.
Methods
A pH-based correlation model was developed to calibrate for enzyme activity changes and sweat dilution effects to improve sweat-to-blood glucose prediction accuracy.
The model calibrates for changes in glucose oxidase enzyme activity that are pH-dependent.
The model accounts for sweat dilution effects during exercise.
The model also accounts for filtering during paracellular transport of glucose from interstitial fluid and plasma to sweat.
These combined corrections address the 'relatively poor correlation between sweat and blood glucose concentrations during exercise.'
Results
The pH-based correlation model was validated in both healthy individuals and diabetic patients, revealing distinct blood glucose dynamic patterns between the two cohorts.
Validation was performed in both healthy individuals and diabetic patients.
Distinct blood glucose dynamic patterns were observed between healthy and diabetic cohorts during exercise.
The correlation model successfully predicted continuous changes in blood glucose from sweat measurements.
Specific sample sizes and statistical correlation metrics are described within the full paper.
Results
Different glucose fluctuation patterns were observed after intake of various nutritive foods, enabling identification of hypo- and hyperglycemic risks.
Participants consumed various nutritive foods, and resulting glucose fluctuations were monitored.
The platform facilitated identification of hypoglycemic and hyperglycemic risks during training or fitness exercise.
Observed glucose dynamics after food intake were used to facilitate diabetes management.
The findings support the use of the device for dietary and exercise management decisions in diabetic patients.
Conclusions
The exercise-based device platform supports diabetes management through treatment evaluation and provides early prevention capabilities for at-risk populations.
The platform combines continuous blood glucose monitoring with diabetes management functions.
Effective treatment evaluation was demonstrated using the platform.
The system is described as capable of providing 'early prevention for the at-risk population.'
The authors state the platform can 'reduce or even reverse diabetes' through exercise-based monitoring and management.
Zhang Y, Zhang S, Yang Y, Tao L, Yu F, Song C, et al.. (2026). A wireless sweat sensing with a pH-based correlation model for continuous glucose monitoring and diabetes management during exercise.. Proceedings of the National Academy of Sciences of the United States of America. https://doi.org/10.1073/pnas.2532127123