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Paper Details

Detection of Human Blood Sugar using Time Domain Reflectometry (TDR) Technique

1Jinan Fadhil Mahdi, 2S. N. Helambe, and 3Nazneen Akhter

Journal Title:Journal of Chemical, Biological and physical sciences

Dielectric properties of liquids cover a vast area of interest for scientists from a variety of disciplines of science and technology including medical physics and bio sciences. Time Domain Reflectometer (TDR) based method for determination of human blood sugar levels is presented. This method of detection of blood sugar based on dielectric properties works well and needs further refinements by designing different sample cells with impedance matching and improved waveform analysis techniques. The TDR based blood analysis system is capable of finding out the blood sugar level of blood samples just using one drop of blood in minutes. The blood sugar level of the sample is found to affect the peak voltage values of the reflected waveform from the TDR setup. The system is tested for its reproducibility and accuracy by conducting series of experiments. The resulting waveforms are analyzed manually and using computer program, from graphs using the TDR data file. There is excellent agreement between values of blood sugar levels determined using TDR based instrument and standard conventional techniques, this validates the instrumental setup and the measuring technique. The relation between the peak voltage value and the blood sugar level of the sample is presented and details discussed.