Recent Progress and Perspectives on Non-Invasive Glucose Sensors

Davison, Nicholas and Gaffney, Christopher and Kerns, Jemma and Zhuang, Qiandong (2022) Recent Progress and Perspectives on Non-Invasive Glucose Sensors. Diabetology, 3 (1). pp. 56-71. ISSN 2673-4540

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Abstract

Self-monitoring of blood glucose forms an important part of the management of diabetes and the prevention of hyperglycaemia and hypoglycaemia. Current glucose monitoring methods either use needle-prick enzymatic glucose-meters or subcutaneous continuous glucose sensors (CGM) and thus, non-invasive glucose measurements could greatly improve the self-management of diabetes. A wide range of non-invasive sensing techniques have been reported, though achieving a level of precision comparable to invasive meters remains a challenge. Optical sensors, which utilise the interactions between glucose and light, offer the potential for non-invasive continuous sensing, allowing real-time monitoring of glucose levels, and a range of different optical sensing technologies have been proposed. These are primarily based upon optical absorption and scattering effects and include infrared spectroscopy, Raman spectroscopy and optical coherence tomography (OCT), with other optical techniques such as photoacoustic spectroscopy (PAS) and polarimetry also reported. This review aims to discuss the current progress behind the most reported optical glucose sensing methods, theory and current limitations of optical sensing methods and the future technology development required to achieve an accurate optical-based glucose monitoring device.

Item Type:
Journal Article
Journal or Publication Title:
Diabetology
Subjects:
ID Code:
164564
Deposited By:
Deposited On:
13 Jan 2022 16:24
Refereed?:
Yes
Published?:
Published
Last Modified:
25 Nov 2022 00:51