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Detection target plate for time-of-flight mass spectrometer and fixing method

A technology of time-of-flight mass spectrometry and fixed methods, applied in the field of fixed equipment, can solve the problems of easy movement of hair and unfavorable detection

Pending Publication Date: 2020-10-23
XIAMEN LIST TECH SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In this method, the hair is usually placed directly on the target plate, so that the hair is easy to move, which is not conducive to detection
That is, the prior art lacks a fast and stable device or method for fixing flexible filaments

Method used

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  • Detection target plate for time-of-flight mass spectrometer and fixing method
  • Detection target plate for time-of-flight mass spectrometer and fixing method
  • Detection target plate for time-of-flight mass spectrometer and fixing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Please refer to Figure 1 to Figure 10 , Embodiment 1 of the present invention is:

[0039] A detection target plate for a time-of-flight mass spectrometer, comprising a spring 1 for clamping a flexible filament and a target plate body 2 .

[0040] This embodiment and the following embodiments are used for the detection target plate of the matrix-assisted laser desorption ionization time-of-flight mass spectrometer. The spring 1 is a tension spring. For the fixed flexible filament, the hair 100 is used as an example. In other equivalent embodiments Among them, it can be applied to other application scenarios that need to fix the flexible filament on the detection target plate of the matrix-assisted laser desorption ionization time-of-flight mass spectrometer, and other types of springs 1 can be used, and the flexible filament can be other flexible and and slender objects.

[0041] In this embodiment, the hair 100 is inserted into the spring 1 after passing under the s...

Embodiment 2

[0042] Please refer to Figure 1 to Figure 10 , the second embodiment of the present invention is:

[0043] A detection target plate for a time-of-flight mass spectrometer. On the basis of the first embodiment above, at least two springs 1 are arranged on the target plate body 2 , and the two springs 1 are respectively at two ends of a hair 100 . As shown in Figure 1, there are three springs 1 in this embodiment, and the three springs 1 are arranged on the target plate body 2 in parallel alignment. In other equivalent embodiments, the number of springs 1 may be two or more than three, and the positional relationship between the springs 1 only needs to be able to clamp both ends of the hair 100 .

[0044] Among them, the specific description of the connection relationship between the spring 1 and the target plate body 2 is as follows:

[0045] In this example, if figure 2 As shown, the two ends of the spring 1 are locked on the target plate body 2 by fixing screws 4 . When...

Embodiment 3

[0048] Please refer to Figure 1 to Figure 10 , Embodiment three of the present invention is:

[0049] A detection target plate for a time-of-flight mass spectrometer. On the basis of the above-mentioned embodiment two, in this embodiment, “both ends of the spring 1 are fixed on the target plate body 2 by fixing screws 4 and” in the second embodiment The replacement is as follows: the two ends of the spring 1 are connected to the target board body 2 and at least one end can be connected to the target board body 2. The target board body 2 is also provided with a fixing device for fixing one end of the spring 1 when it moves to any position. pieces. When one or both ends of the spring 1 are moving, they are fixed by the fixture when they move to a certain position, so that the deformation of the spring 1 can be changed to adapt to flexible filaments of different thicknesses and strengths.

[0050] Wherein, the mobile connection may be a sliding connection, or a motor may be us...

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Abstract

The invention provides a detection target plate for a time-of-flight mass spectrometer and a fixing method. The detection target plate comprises a spring for clamping a flexible filament and a targetplate body, and the spring is located on the target plate body. According to the invention, the spring is arranged on the target plate body so that the flexible filament passes through the lower partof the spring and then is clamped into the spring, and the flexible filament is clamped by using a fine gap on the spring, thereby rapidly and stably fixing the flexible filament on the detection target plate of the matrix-assisted laser desorption ionization time-of-flight mass spectrometer.

Description

technical field [0001] The invention relates to the technical field of fixed equipment, in particular to a detection target plate and a fixing method for a time-of-flight mass spectrometer. Background technique [0002] At present, flexible filaments refer to flexible and slender objects, such as hair, wool, string and so on. Among them, human body objects such as hair are used as biological samples to detect drugs, stimulants or psychotropic drugs. The advantage is that it can detect whether a person has taken drugs for a long period of time, and can also detect some new drugs. Low sampling difficulty and high detection accuracy. [0003] In this method, the hair is usually placed directly on the target plate, so that the hair is easy to move, which is not conducive to detection. That is, the prior art lacks a fast and stable device or method for fixing flexible filaments. Contents of the invention [0004] In view of this, the present invention provides a detection ta...

Claims

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Application Information

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IPC IPC(8): G01N27/62H01J49/04H01J49/40
CPCG01N27/62H01J49/0459H01J49/40
Inventor 曾志胤林哲凯朱孔涛罗亨霖吴辉曾建晟
Owner XIAMEN LIST TECH SERVICE CO LTD
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