Article ; Online: Noninvasive Glucose Measurements Through Transcutaneous Raman Spectroscopy: A Review.
Journal of diabetes science and technology
2022 Volume 18, Issue 2, Page(s) 460–469
Abstract: Background: People living with diabetes need constant glucose monitoring to avoid health complications. However, they do not monitor their glucose levels as often as recommended, probably because glucose measurement devices can be painful, costly, need ... ...
Abstract | Background: People living with diabetes need constant glucose monitoring to avoid health complications. However, they do not monitor their glucose levels as often as recommended, probably because glucose measurement devices can be painful, costly, need testing strips or sensors, require lancing the finger or inserting a sensor with risk of infection, and can be inaccurate or have failures. Therefore, developing new alternatives for noninvasive glucose measurements that overcome these disadvantages is necessary, being Raman spectroscopy (RS) a solution. Objective: This review aims to provide an overview of the current glucose-monitoring technologies and the uses and advantages of RS to improve noninvasive transcutaneously glucose-monitoring devices. Results: The skin has been used to assess glucose levels noninvasively because it is an accessible tissue where glucose can be measured in the interstitial fluid (ISF) in the epidermis (especially in the stratum corneum). The most selected skin sites to apply RS for noninvasive glucose measurements were the nailfold, finger, and forearm because, in these sites, the penetration depth of the excitation light can reach the stratum corneum (10-20 µm) and the ISF. Studies found that RS is a good optical technique to measure glucose noninvasively by comparing glucose levels obtained by RS with those from invasive methods such as glucose meters with testing strips during an oral glucose tolerance test (OGTT). Conclusions: New alternatives for noninvasive glucose measurements that overcome the disadvantages of current devices is necessary, and RS is a possible solution. However, more research is needed to evaluate the stability, accuracy, costs, and acceptance. |
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MeSH term(s) | Humans ; Blood Glucose ; Blood Glucose Self-Monitoring ; Spectrum Analysis, Raman ; Skin ; Glucose |
Chemical Substances | Blood Glucose ; Glucose (IY9XDZ35W2) |
Language | English |
Publishing date | 2022-07-09 |
Publishing country | United States |
Document type | Journal Article ; Review |
ISSN | 1932-2968 |
ISSN (online) | 1932-2968 |
DOI | 10.1177/19322968221109612 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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