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Meter for reading test paper tape of colloidal gold in use for detecting residue

A technology of colloidal gold test paper and residues, which is applied in the direction of biological testing, measuring devices, material inspection products, etc., can solve the problems of difficult detection limit determination and popularization, and achieve the effects of simplified program design, sensitive position, and short detection time

Inactive Publication Date: 2007-12-26
中华人民共和国天津出入境检验检疫局
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  • Summary
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AI Technical Summary

Problems solved by technology

However, it is difficult to promote at present. One of the reasons is that it is difficult to judge the detection limit by visual inspection results. Due to individual differences, different conclusions may be drawn from the same result.

Method used

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  • Meter for reading test paper tape of colloidal gold in use for detecting residue
  • Meter for reading test paper tape of colloidal gold in use for detecting residue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] The light source 1 adopts 2 high-brightness white LED flashlights.

[0011] As shown in Figure 1, the colloidal gold test strip 8 is inserted in the test strip slot 15, and is inserted in the cabinet 16 together, and the 30mm place apart from the colloidal gold test strip 8 is symmetrical to the colloidal gold test strip 8 in the cabinet 16 Fix two LED flashlights at a distance of 60 mm, a focusing lens 13 is fixed parallel to the colloidal gold test strip 8 at a distance of 50 mm from the colloidal gold test strip 8, and a charge coupled lens 13 is fixed parallel to the focus lens 13 at the focal point of the focusing lens 13. device 7 and its photosensitive surface faces the focusing lens 13, the output end of the charge coupler 7 is connected with the input end of the single-chip microcomputer function module 14 fixed in the cabinet 16, and the three output ends of the single-chip microcomputer function module 14 are respectively connected with the display 12, the lig...

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Abstract

A collaurum test-paper counter used for detecting residue is prepared for fixing collaurum test-paper in test paper insertion slot and placing prepared test paper into case, fixing 1-2 of light source and a focusing lens as well as an electric charge coupler at proper positions in said case, connecting electric charge coupler to monolithic computer being connected separately to display and light source as well as CCD driving circuit, and connecting output end of CCD driving circuit to input end of electric charge coupler.

Description

technical field [0001] The invention relates to a device for detecting residues of pesticides, veterinary drugs, biological toxins, etc., in particular to a colloidal gold test strip reader for residue detection. technical background [0002] Because the detection sensitivity and specificity of colloidal gold test strips are much superior to those made by the original acetylcholinesterase technology, and in addition to being easy to store and use, it has been used in the detection of pesticides, veterinary drugs, and biotoxin residues in recent years. Colloidal gold test strips have developed rapidly and can detect more than 20 kinds of chemical substances. However, it is difficult to promote at present. One of the reasons is that it is difficult to determine the detection limit by visual inspection results. Due to individual differences, different conclusions may be drawn from the same result. Contents of the invention [0003] The present invention uses the photoelectri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/84G01N21/25G01N33/50
Inventor 许泓汪曣古珑林安清赵学玒张曼白玉洁唐晓宾何佳吴延晖张骏
Owner 中华人民共和国天津出入境检验检疫局
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