KnE Engineering

ISSN: 2518-6841

The latest conference proceedings on all fields of engineering.

Optimization of Bending Angle of Fiber Optic Sensor for Non-Invasive Blood Glucose Measurement

Published date:Apr 16 2019

Journal Title: KnE Engineering

Issue title: International Conference on Basic Sciences and Its Applications (ICBSA-2018)

Pages:148–156

DOI: 10.18502/keg.v1i2.4440

Authors:
Abstract:

The angle of fiber optic bending has been optimized to obtain the highest sensitivity and accuracy of blood glucose level sensor. The bending angle was varied between 0 ∘ (straight sensor) and 180∘ (u-shaped sensor) with a step of 30∘ . The fiber optic was used to guide light from red diode laser source (λ=650 nm) to a photodiode detector. Interactions of evanescent wave and glucose molecules in urine were enhanced by partial removing of fiber optic cladding. The length of fiber optic cladding removal was varied between 1 – 5 cm with a step of 1 cm. The difference in evanescent wave penetration depth as bending angle and cladding removal influences the sensitivity and the accuracy of the designed sensor. The highest sensitivity of 0,37 mV/(mg/dL) was obtained for sensor bending angle of 180∘ and the length of cladding removal of 3 cm. The sensitivity increases with the fiber optic bending angle. The designed sensors show measurement accuracy well above 90%. Clarke error grid analysis indicates that all of the measured data lie within the area of small error meaning that the developed blood glucose sensor is accurate and reliable.

 

 

Keywords: blood glucose sensor, bending angle, evanescent wave, sensitivity, accuracy

References:

[1] America Diabetes Association, 2012, Diabetes Care, Vol.35, No.1.


[2] International Diabetes Federation, 2017,IDF Diabetes Atlas, Edisi 8, Brussel,Belgium.


[3] Kudo, S.,Mapawanang, A.K.,Sangadji, A.S., Mapawanang, F., Sondakh, N.L., Sinsuw, E.M., Syahputra, F., Turangan, C.B., Tumurang, M.N., Sultoni, S., 2016, Effects of Gedi Leaves Stew on The Decrease of Blood Sugar Levels in Patients with Diabetes Mellitus.International Journal of Health Medicine and Current Research, Vol.1, No.1, hal 40-45.


[4] Sorvoja, H. dan Risto, M., 2006, Noninvasive Blood Pressure Measurement Methods, Optoelectronics and Measurement Techniques Laboratory, Vol.27, hal. 239-264.


[5] Yadav, J., Rani, A., Singh, V., dan Murari, B. M., 2015, Prospects and Limitations of Non-invasive Blood Glucose monitoring using Near-infrared Spectroscopy, Biomedical Signal Processing and Control, vol. 18, p. 214.


[6] In Indonesia: Fridayanti N., Muldarisnur,M., Harmadi, H., 2018, Analysis of the Effect of Macrobending Optical Fiber on Glucose Sensors with the Evanescent Method, Jurnal Ilmu Fisika, vol.10 No.1, p.46-52.


[7] King, S., 2008, Urinalysis, Davis Company, Philadelphia.

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