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Sample application device for detecting aflatoxin based on thin-layer analysis method

A kind of technology of aflatoxin and sample spotting device, which is applied in the direction of measuring device, analysis material, material separation, etc., can solve the problems such as easy deviation of spot position, low sample spotting efficiency, and influence of aflatoxin TLC detection, etc., to achieve Effects of improving usability and improving sampling efficiency

Inactive Publication Date: 2019-08-02
广州市鹭江远科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the spot diameter is greater than 2mm, and should not exceed 5mm. The distance between spots is 1cm, and the distance between the sample point and the edge of the glass is at least 1cmm. At present, people manually spot samples on glass slides at the same time. Deviations are prone to occur, which affects the TLC detection of aflatoxin, so people need a device that can automatically and accurately spot samples on glass slides

Method used

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  • Sample application device for detecting aflatoxin based on thin-layer analysis method
  • Sample application device for detecting aflatoxin based on thin-layer analysis method
  • Sample application device for detecting aflatoxin based on thin-layer analysis method

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Embodiment Construction

[0024] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0025] Such as figure 1 As shown, a sample spotting device for aflatoxin detection based on thin-layer analysis, including a base 1, a top plate 2, a controller 3, a flat plate 4, a correction mechanism, a sample spotting mechanism, a material box 5, two Side plate 6 and four legs 7, the side plate 6 is fixed above the base 1, the top plate 2 is erected on the two side plates 6, the controller 3 is fixed on one of the side plates 6, the The controller 3 is provided with a PLC, the material box 5 is fixed above the top plate 2, the four corners of the flat plate 4 are respectively fixed above the base 1 by four legs 7, and the correction mechanism is located b...

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Abstract

The invention relates to a sample application device for detecting aflatoxin based on a thin-layer analysis method. The device comprises a base, a top plate, a controller, a flat plate, a correcting mechanism, a sample application mechanism, a material box, two side plates and four supporting legs, the correcting mechanism comprises a driving assembly and four correcting assemblies; the correctingassembly comprises a moving rod, a fixing ring and a correcting plate; the sample application mechanism comprises a first motor, a rotating shaft, a concentric-square-shaped frame, four sliding blocks, four hanging rods, four sample application assemblies and four connecting assemblies; the driving assembly comprises a second motor, a turntable and four driving rods; according to the sample application device for detecting the aflatoxin based on the thin-layer analysis method, a glass sheet is fixed right above a flat plate through a correction mechanism; and in addition, the sample application mechanism is used for carrying out automatic sample application on the four sides above the glass sheet at the same time, so that the sample application efficiency is improved, and the practicability of the equipment is improved.

Description

technical field [0001] The invention relates to the field of food detection equipment, in particular to a sample pointing device for aflatoxin detection based on a thin-layer analysis method. Background technique [0002] Aflatoxins are metabolites produced by Aspergillus flavus and Aspergillus parasiticus. When grains are not dried in time or stored improperly, they are often easily contaminated by Aspergillus flavus or Aspergillus parasiticus and produce toxins. Aflatoxin is the most toxic mycotoxin found so far. It is commonly found in moldy grains and food products. There are many detection methods for aflatoxin, the most classic of which is thin layer analysis (TLC). After fast extraction, column chromatography, elution, concentration, and thin-layer separation of the sample, blue-violet or yellow-green fluorescence is produced under the ultraviolet lamp with a wavelength of 365nm, and is determined according to the minimum detection amount displayed on the thin layer....

Claims

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Application Information

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IPC IPC(8): G01N30/91
CPCG01N30/91
Inventor 齐宽宽
Owner 广州市鹭江远科技有限公司
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