期刊
BIOSENSORS & BIOELECTRONICS
卷 181, 期 -, 页码 -出版社
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2021.113054
关键词
Diabetes; Glucose sensor; Blood glucose monitoring; Continuous glucose monitoring; Artificial pancreas; Wearable biosensors; Green initiative
类别
资金
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University
Diabetes mellitus is a chronic illness in the United States with approximately 120 million affected adults. Tight glycemic control is essential for managing diabetes and reducing the risk of complications. Continuous glucose monitoring systems are recognized as the ideal monitoring systems for diabetic patients.
Diabetes mellitus is a chronic illness in the United States affecting nearly 120 million adults, as well as increasing in children under the age of 18. Diabetes was also the 7th leading cause of death in the United States with 270 K deaths in 2017. Diabetes is best managed by tight glycemic control, as achieving near-normal glucose levels is key to reduce the risk of microvascular complications. Currently, continuous glucose monitoring (CGM) systems have been recognized as the ideal monitoring systems for glycemic control of diabetic patients. Briefly, a CGM system measures blood glucose levels in subcutaneous tissue by attaching a CGM sensor to the skin, allowing the users to make appropriate modifications to their medical interventions according to experience or empirically derived algorithms. The principles of the glucose sensing employed in the current commercially available CGM systems are mainly electrochemical, and employ the gold standard enzyme, glucose oxidase, as the glucose sensing molecule with the combination of hydrogen peroxide monitoring or with the combination of redox mediator harboring hydrogel. Recently, by employing an abiotic synthetic receptor harboring a fluorescent probe combined with a fluorescent detection system, a chronic CGM was commercialized. In addition, the development of less or non-invasive monitoring sensors targeting glucose in tears, sweat, saliva and urine have become of great interest although their clinical relevancy is still controversial. This review article introduces current and future technological aspects of CGM systems, the flagship technology in biosensor research, which was initiated, matured and is still growing in North America.
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