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Proceedings Paper

Blood sugar monitoring with laser diode
Author(s): Xiqin Zhang; Jianhong Chen; Joon Hock Yeo
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Paper Abstract

In this paper, the non-invasive measurement of blood sugar level was studied by use of near infrared laser diode. The in-vivo experiments were carried out using laser diodes with wavelength 1625nm and 1650nm. Several volunteers were tested before and after drinking glucose solution. We took blood from a fingertip and measured its concentration with a glucose meter while taking signal voltage from laser diode system. The signal voltage was processed by using a computer and blood absorption was obtained. The results show that blood sugar level and blood absorption have similar trends before and after drinking glucose solution. We also compared the trends of drinking glucose solution and pure water and the results show that the difference of blood absorption is obvious. From the results we can see that laser diode is suitable for blood glucose monitoring.

Paper Details

Date Published: 27 October 2006
PDF: 4 pages
Proc. SPIE 6047, Fourth International Conference on Photonics and Imaging in Biology and Medicine, 604741 (27 October 2006); doi: 10.1117/12.710955
Show Author Affiliations
Xiqin Zhang, GlucoSTATS System Pte Ltd. (Singapore)
Jianhong Chen, Nanyang Technological Univ. (Singapore)
Joon Hock Yeo, Nanyang Technological Univ. (Singapore)


Published in SPIE Proceedings Vol. 6047:
Fourth International Conference on Photonics and Imaging in Biology and Medicine
Kexin Xu; Qingming Luo; Da Xing; Alexander V. Priezzhev; Valery V. Tuchin, Editor(s)

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