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27 October 2006 Blood sugar monitoring with laser diode
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Proceedings Volume 6047, Fourth International Conference on Photonics and Imaging in Biology and Medicine; 604741 (2006) https://doi.org/10.1117/12.710955
Event: Fourth International Conference on Photonics and Imaging in Biology and Medicine, 2005, Tianjin, China
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.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiqin Zhang, Jianhong Chen, and Joon Hock Yeo "Blood sugar monitoring with laser diode", Proc. SPIE 6047, Fourth International Conference on Photonics and Imaging in Biology and Medicine, 604741 (27 October 2006); https://doi.org/10.1117/12.710955
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