Blood sugar concentration detection method and device based on polarized light magneto-optic effect
A technology of blood glucose concentration and magneto-optical effect, which can be used in measurement devices, material analysis by optical means, polarization influence characteristics, etc. The effect of fast detection speed, high detection accuracy, huge economic and social benefits
Active Publication Date: 2017-06-13
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1
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Problems solved by technology
So far, due to the small optical deflection angle produced by blood sugar, it is difficult to measure accurately. In terms of accuracy, sensitivity and stability, it has not yet reached the conditions for clinical application.
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[0027] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive. It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or a central element may also exist. When an element is considered to be "connected" to another element, it can be directly connected to the other element or an intermediate element may be present at the same time. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those ...
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The invention discloses a blood sugar concentration detection method and device based on a polarized light magneto-optic effect. The method comprises the following steps: on the basis of the magneto-optic deflection effect, a sample test tube filled with a blood sugar solution is placed into a magnetic cavity formed by a magnetic confinement body, the rotary light deflection angle is increased under the action of a magnetic confinement body, and light intensity of light passing through a polarization analyzer is detected by a light intensity meter; the light intensity in case of the existence of the sample test tube in the magnetic cavity is enabled to be consistent with the light intensity in case of the absence of the sample test tube in the magnetic cavity through a rotary polarization analyzer, and a deflection angle of the polarization analyzer is measured, thus realizing detection of the blood sugar concentration in the sample test tube. The polarized light magneto-optic effect-based blood sugar concentration detection method is high in detection speed, high in detection precision, stable and reliable, provides a technical basis for bio-medical and clinically medical fields of China and brings great economical and social benefits.
Description
Technical field [0001] The invention relates to the technical field of solution concentration detection, in particular to a blood glucose concentration detection method and device based on polarized light magneto-optical effect. Background technique [0002] With the invention of lasers, light plays an important role on the stage of the human world, especially in the field of combining light with life sciences and medicine. There are many optical technologies that serve human health, such as optical medical diagnosis, optical imaging, and body composition. Spectral detection technology, etc. At present, the routine detection of blood glucose concentration is through finger sticking and venous blood sampling. This method brings certain psychological and economic burdens to patients, and even leads to secondary infections. Therefore, nondestructive blood glucose detection technology has attracted much attention. At present, the most representative optical nondestructive testing te...
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IPC IPC(8): G01N21/21
CPCG01N21/21G01N2021/218
Inventor 陆永华龚新宇魏文权
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS