Blood glucose detection method based on slit waveguide

A technology of blood sugar detection and slit waveguide, which is applied in the field of blood sugar detection, can solve the problems of complex structure, large size, high cost, etc., and achieve the effect of obvious change of light field, rapid change of light field and high integration

Active Publication Date: 2014-02-05
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0005] In order to overcome the disadvantages of complex structure, large size and high cost of the existing blood glucose detection technology, the present invention provides a slit waveguide based on simplified structure, reduced size and reduced cost while meeting high detection efficiency and fast response. blood sugar testing method

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  • Blood glucose detection method based on slit waveguide
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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] refer to figure 1 and figure 2 , a blood glucose detection method based on a slit waveguide, the detection component for realizing the detection method includes a straight waveguide and a microring waveguide, the annular slit area between the straight waveguide and the microring waveguide is a straight line and a In the area surrounded by the arc, the shortest distance between the straight line and the arc is located on the straight line passing through the center of the arc and perpendicular to the straight line, the shortest distance between the straight line and the arc is set to be 50-80nm, and the annular slit area is The detection channel for the blood sample to be detected to flow through, the refractive index of the straight waveguide material is higher than that of the blood sample, and the blood glucose detection method includes the following steps: ...

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Abstract

The invention relates to a blood glucose detection method based on slit waveguide, wherein an annular slit region between a straight waveguide and a microring waveguide is a detection channel for flow of a blood sample requiring detection, and a refractive index of the straight waveguide material is higher than a refractive index of the blood sample. The method comprises that: 1) a blood sample with normal blood glucose is adopted to carry out a calibration test, and passes through the annular slit region, and a resonance wavelength of the microring waveguide is a calibration wavelength after light is introduced into the high refractive index straight waveguide; and 2) a blood sample requiring detection passes through the annular slit region, the current resonance wavelength of the microring waveguide is detected after light is introduced into the high refractive index straight waveguide, it is determined that the blood glucose concentration of the blood sample requiring detection is normal if the current resonance wavelength is equal to the calibration wavelength, and it is determined that the blood glucose concentration of the blood sample requiring detection is abnormal if the current resonance wavelength is not equal to the calibration wavelength. According to the present invention, high detection efficiency and rapid response are met, the structure is simplified, the size is reduced, and the cost is reduced.

Description

technical field [0001] The invention relates to the field of blood sugar detection, in particular to a blood sugar detection method. Background technique [0002] In the existing blood sugar detection technology, conventional blood sugar detection is an invasive detection, and medical treatment is slow, low in efficiency, and not high in intelligence. [0003] Someone proposes to use microwave technology to realize blood glucose detection, for example, the patent number is 200710200028.X, and the title of the invention is: a Chinese invention patent application for a non-invasive rapid blood glucose detector. Utilizing microwave technology to realize blood glucose detection has good rapidity of detection, but there are technical defects: the entire detection equipment has complex structure, large size, slow response, and high cost. [0004] In 2004, the research group of Professor Michal Lipson of Cornell University in the United States first proposed the concept of slot wa...

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Application Information

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IPC IPC(8): G01N21/17
Inventor 乐孜纯董文
Owner ZHEJIANG UNIV OF TECH
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