Optical glucose biosensor built-in disposable strips and wearable electronic devices
Abdullah Reda1, Sherif A El-Safty1, Mahmoud M Selim2
1National Institute for Materials Science (NIMS), Sengen 1-2-1, Tsukuba, Ibaraki, 305-0047, Japan.
Biosensors & Bioelectronics
|May 1, 2021
Summary
This review highlights advancements in nano/microscale optical biosensors for diabetes self-monitoring. These wearable devices offer sensitive, visual glucose detection for personalized, at-home healthcare management.
Area of Science:
- Biomedical Engineering
- Nanotechnology
- Optical Biosensing
Background:
- Early diagnosis and continuous monitoring of diabetes are crucial for personalized treatment.
- Nano/microscale materials are driving innovation in optical and portable biosensor development.
- Wearable biosensors with visual readout are gaining interest for diabetes self-management.
Purpose of the Study:
- To review the integration of optical biosensors into wearable devices for diabetes monitoring.
- To bridge the gap between lab-based assays and practical, at-home testing solutions.
- To highlight the potential of nano/microscale optical biosensors for personalized healthcare.
Main Methods:
- Comprehensive review of existing literature on optical bio-visualization assays and disposable test strips.
- Analysis of sensor array designs and integration into flexible skin-based or contact lens devices.
- Evaluation of on-site wireless signal transmission for glucose detection in physiological fluids.
Main Results:
- Nano/microscale optical biosensors enable sensitive, low-cost, and visually detectable glucose assays.
- Integration into wearable devices like smartphones facilitates continuous, real-time monitoring.
- Flexible skin-based and contact lens devices show promise for non-invasive glucose detection.
Conclusions:
- Fully integrated nano/microscale optical biosensors are critical for advanced clinical diagnostics and remote patient care.
- Improvements in invasive, wireless, and portable sensing technologies are needed for reliable diabetes management.
- Wearable biosensors enhance applicability for continuous monitoring, data visualization, and self-healthcare.


