Non-invasive detecting method and detecting device of human body protein intake
The technology of a detection device and detection method, which is applied in the medical field, can solve problems such as not being the best indicator of reactive protein intake, and achieve the effect of short time consumption and easy operation
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[0037] Principle of this embodiment:
[0038] When light passes through human tissue, it will be absorbed by the tissue, accompanied by physical phenomena such as reflection, refraction, and scattering. Use a certain wavelength of infrared light to transmit the finger, and after being absorbed by the tissues at the end of the finger, the transmitted light with different light intensities is obtained, according to Lambert-Beer's law
[0039] A=lg(I 0 / I)=εbc (1)
[0040] Where A is the absorbance of the substance; I 0 I is the intensity of the incident light; I is the intensity of the transmitted light; ε is the absorption coefficient, which is the absorbance per unit concentration and unit liquid layer thickness, which depends on the wavelength of the incident light and the light absorption characteristics of the light-absorbing substance, and is also affected by the solvent and temperature; b is the optical path; c is the concentration of the substance in the blood.
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