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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Fundamental Investigation of Non-invasive Determination of Glucose by Near Infrared Spectrophotometry

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1998, v.11 no.1, pp.47-53
Kim, Hyo J.
Woo, Young A.
Chang, Soo H.
Cho, Chang H.
Cantrell, Kevin
Piepmeier, Edward H.
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Abstract

This study is to improve the diagnosis of diabetes mellitus and the self-monitoring of blood glucose in people with diabetes by providing a non-invasive method of monitoring blood glucose. A near-infrared (NIR) spectrophotometer was used to measure absorption spectra of 80 glucose samples ranges from 1 mg/dL to 200 mg/dL, and shows the standard error of prediction 1.8 mg/dL. Also, to investigate the effect of interference in blood, NaCl and sand were added in glucose and found the standard error of prediction of 2.8 mg/dL and 3.8 mg/dL, respectively. A new and more accurate calibration system for the spectrophotometer was developed from systematic study of light scattering, which cause nonlinear spectrophotometer response.

keywords
near infrared spectrophotometry, glucose, non invasive determination, scattering, Partial least-squares regression (PLS), multiple linear regression (MLR)


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