We could get valuable information about various diseases by analyzing urine of patients. For the diabetics, it has been very important to know the glucose concentration in their urine. Until now, there have been many methods to estimate the concentration but they were invasive and annoyed patients. The Low-Resolution Raman Spectroscopy (LRRS) could be an alternative method to be non-invasive and unconscious for patients who want to check the amount of their urine components. LRRS is not expensive and smaller than laboratory Raman spectroscope. And we want to attach it to the common toilet bowl. For the reason, we got the spectrum of diluted urine and predicted the glucose concentration. In addition, we tried to find very small amount of glucose. LRRS was adequate for measuring Raman signal of diluted urine and could find very small amount of glucose. This system will realize the observation of one's health condition every day without awareness.
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