Comprehensive Review on Wearable Sweat-Glucose Sensors for Continuous Glucose Monitoring

Area of Science:

• Biomedical Engineering
• Analytical Chemistry
• Wearable Technology

Background:

• Diabetes incidence is rising globally, necessitating improved glucose monitoring methods.
• Current blood glucose monitoring is invasive, requiring finger pricks and disposable test strips.
• Non-invasive continuous glucose monitoring (CGM) is highly desirable for effective diabetes management.

Purpose of the Study:

• To review recent developments in non-invasive continuous glucose monitoring using sweat sensors.
• To focus on wearable sensor platforms for potential commercialization.
• To identify challenges and opportunities in sweat-based glucose sensing.

Main Methods:

• Comprehensive literature review of sweat sensor technologies for glucose monitoring.
• Analysis of different sweat collection and detection methodologies.
• Evaluation of wearable integration and commercial viability aspects.

Main Results:

• Significant research progress in sweat sensor technology for glucose detection.
• Various approaches show potential for non-invasive CGM.
• Challenges remain in sweat collection, sample stability, and inter-person variability.

Conclusions:

• Wearable sweat sensors represent a viable future for non-invasive continuous glucose monitoring.
• Addressing current challenges is crucial for commercialization and widespread adoption.
• Further research is needed to optimize sensitivity, reliability, and user-friendliness.