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Simple Methods of Detecting Disease Factors in Tears and Bloods

Shinyoung Jeong 1, Keunhee Kim 2, and Hyeran Noh 1, 2
1. Department of Optometry, Seoul National University of Science and Technology, Seoul, Korea
2. Convergence Institute of Biomedical Eng. & Biomaterials, Seoul National University of Science and Technology, Seoul, Korea

Abstract—This study developed simple methods to detect glucose in tears using paper based microfluidics. Correlation of tear glucose and blood glucose were studied. 11 volunteers participated in the experiments. After taking glucose tablets, tears and blood samples were measured at a given time intervals using a spectrophotometer or a paper diagnostics. As a result, glucose concentrations with increasing the glucose intake were increased in both tears and blood and it became the highest in 30 minutes. Later, the glucose concentration in tear and blood were decreased in about 60 minutes. Thus, we found that the tears and the blood glucose had the similar metabolic rate of decomposition showing a clear correlation between blood and tear.

Index Terms—tear glucose, paper microfluidics, SU-8, microfluidics

Cite: Shinyoung Jeong, Keunhee Kim, and Hyeran Noh, "Simple Methods of Detecting Disease Factors in Tears and Bloods," Journal of Life Sciences and Technologies, vol. 4, no. 1, pp. 26-29, June 2016. doi: 10.18178/jolst.4.1.26-29
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