Dan-dan KONG, Tong-shuai HAN, Qing GE, Wen-liang CHEN, Rong LIU, Chen-xi LI, Ke-xin XU. Verification of Signal Extraction Capability of Near-Infrared Non-Invasive Blood Glucose Detection System[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3438
- Spectroscopy and Spectral Analysis
- Vol. 40, Issue 11, 3438 (2020)
Fig. 1. Schematic diagram of optic fiber probe arrangement
Fig. 1. Schematic diagram of non-invasive blood glucose detection system
Fig. 2. Average optical path length of the photon in the dermis (L) of the human forearm under the source-detector distance of the system
Fig. 3. The variance of absorbance change(a)subject 1(maximum change in blood glucose concentration: 5.4 mmol·L-1); (b)subject 2(maximum change in blood glucose concentration: 6.6 mmol·L-1); (c)subject 3(maximum change in blood glucose concentration: 5.5 mmol·L-1)
Fig. 4. Variance of differential absorbance change (a) subject 1(maximum change in blood glucose concentration: 5.4 mmol·L-1); (b) subject 2 (maximum change in blood glucose concentration: 6.6 mmol·L-1); (c) subject 3(maximum change in blood glucose concentration: 5.5 mmol·L-1)
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Table 1. The SNR and limit detection precision of system
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