Hydrogel-Based Colloidal Photonic Crystal Devices for Glucose Sensing.
Wenwei Tang1, Cheng Chen2,3
1Modern Service Department, College of International Vocational Education, Shanghai Polytechnic University, Shanghai 201209, China.
Polymers
|March 19, 2020
Summary
This review explores hydrogel-based photonic crystal (PC) materials for noninvasive glucose detection. These advanced hydrogel-based CPCs (HCPCs) offer promising solutions for diabetes monitoring.
Area of Science:
- Materials Science
- Biomedical Engineering
- Nanotechnology
Background:
- Diabetes mellitus is a growing global health concern requiring effective monitoring.
- Current glucose monitoring methods can be invasive and inconvenient.
- Hydrogel-based responsive photonic crystal (PC) materials offer a promising avenue for noninvasive glucose sensing.
Purpose of the Study:
- To review the development of hydrogel and colloidal photonic crystal (CPC) based glucose-sensing materials and devices.
- To elucidate the mechanisms of glucose-responsive hydrogels and their integration into CPCs.
- To summarize the technological advancements in hydrogel-based CPC (HCPC) glucose sensors.
Main Methods:
- Review of scientific literature on hydrogel-based photonic crystals for glucose sensing.
- Analysis of the structural designs of 2D/3D CPCs and HCPCs.
- Examination of the principles behind glucose-responsive hydrogels and their sensing mechanisms.
Main Results:
- Detailed overview of the construction of various CPCs and HCPCs.
- Explanation of how hydrogel properties change in response to glucose concentrations.
- Summary of existing HCPC glucose sensor technologies and their performance.
Conclusions:
- Hydrogel-based CPCs represent a significant advancement in noninvasive glucose biosensor technology.
- Further research into functional hydrogels can enhance the sensitivity and specificity of CPC glucose biosensors.
- Future designs of CPC glucose biosensors will benefit from incorporating advanced functional hydrogels.


