An assessment study of absorption effect: LED vs tungsten halogen lamp for noninvasive glucose detection Academic Article uri icon

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abstract

  • Noninvasive glucose monitoring development is critical for diabetic patient continuous monitoring. However, almost all the available devices are invasive and painful. Noninvasive methods such as using spectroscopy have shown some good results. Unfortunately, the drawback was that the tungsten halogen lamps usage that is impractical if applied on human skin. This paper compared the light emitting diode (LED) to traditional tungsten halogen lamps as light source for glucose detection where the type of light source plays an important role in achieving a good spectrum quality. Glucose concentration measurement has been developed as part of noninvasive technique using optical spectroscopy. Small change and overlapping in tungsten halogen results need to replace it with a more convenient light source such as LED. Based on the result obtained, the performance of LED for absorbance spectrum gives a significantly different and is directly proportional to the glucose concentration. The result shows a linear trend and successfully detects lowest at 60 to 160 mg/dL glucose concentration.

authors

  • Menon, Suresh
  • Mohd Aziz, Nur Ain
  • Arsad, Norhana
  • Menon, P Susthitha
  • Shaari, Sahbudin
  • Md Yusof, Zalhan
  • Laili, Abdur Rehman

publication date

  • March 2015