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X-fluorescence detection system for cancer cell detection

A technology for fluorescence detection and cancer cells, applied in measurement devices, material analysis using wave/particle radiation, instruments, etc., can solve problems affecting system sensitivity, reduce signal-to-noise ratio, reduce effective fluorescence intensity, etc., to improve sensitivity , to reduce the effect of interference

Inactive Publication Date: 2015-08-19
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compton scattering is an inevitable interference phenomenon in the X-ray fluorescence detection system, which will reduce the intensity of effective fluorescence, reduce the signal-to-noise ratio of the signal, and directly affect the sensitivity of the system

Method used

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  • X-fluorescence detection system for cancer cell detection
  • X-fluorescence detection system for cancer cell detection
  • X-fluorescence detection system for cancer cell detection

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0014] The present invention will be further explained below in conjunction with the accompanying drawings.

[0015] Such as figure 1 As shown, an X-ray fluorescence detection system for detecting cancer cells includes an X-ray light source 1 , a collimating lens 2 , a sample stage 5 , a detector 3 and a detector mounting bracket 4 . The X-ray light source 1, the collimator lens 2, and the sample stage 5 are arranged on the same straight line. The sample stage 5 may be a glass vessel, in which a sample solution is contained. The X-rays emitted by the X-ray source 1 pass through the collimator lens 2 and then irradiate the sample solution. The detector 3 is installed on the detector mounting bracket 4 on one side of the sample stage 5, and the angle between the straight line from the center of the light receiving surface of the detector 3 to the center of the sample stage 5 and the X-ray incident direction is the Compton scattering angle θ, the Compton scattering angle θ nee...

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Abstract

The invention relates to an X-fluorescence detection system for cancer cell detection; with utilization of changing an installation position of a detector, the Compton effect scattering angle can be changed, and the wavelength of a Compton scattering ray can be affected by the Compton scattering angle; when the wavelength of an emitted fluorescence ray has large difference from the Compton scattering wavelength, the Compton scattering ray can be distinguished and excluded through spectral analysis, interference of the Compton effect can be reduced, that is to say, the case that the Compton scattering angle is greater than 36 degrees is met. When the Compton scattering angle is 90 degrees, an X-fluorescence detection sector is the largest; with the Compton scattering angle of 90 degrees, not only can the Compton scattering influence be reduced, but also a maximum X-fluorescence detection receiving surface can be facilitated to be obtained, and the system sensitivity is facilitated to be improved.

Description

technical field [0001] The invention belongs to the technical field of test measurement and medical detection imaging, and in particular relates to a method for reducing Compton scattering of an X fluorescence detection system used for cancer cell detection. Background technique [0002] Cancer is the enemy of all mankind. In order to defeat cancer, almost every country in the world has spent a lot of money and manpower on anti-cancer research. At present, human beings have a relatively in-depth understanding of cancer, and many effective treatment methods have been invented. However, the morbidity and mortality of some major human cancers such as lung cancer, liver cancer, and kidney cancer are still high. Although scientists believe that there will be a major breakthrough in the treatment of cancer in the first 10 years of the next century, even so, Scientists believe that there is no easy and one-and-done method to eradicate cancer. The International Agency for Researc...

Claims

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Application Information

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IPC IPC(8): G01N23/223
Inventor 姚敏王冬月赵敏
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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