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Full-automatic biochemical detection system and detection method for pesticide residue

A biochemical detection, fully automatic technology, applied in the field of biochemical, environmental and food detection, to improve the detection efficiency and shorten the detection time

Pending Publication Date: 2018-01-09
苏州卡睿知光电科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the problems that the automatic detection device in the prior art cannot realize the quantitative addition of liquid, the detection time is long, and the detection results are prone to deviation.

Method used

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  • Full-automatic biochemical detection system and detection method for pesticide residue
  • Full-automatic biochemical detection system and detection method for pesticide residue
  • Full-automatic biochemical detection system and detection method for pesticide residue

Examples

Experimental program
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Embodiment 1

[0062] This embodiment provides a fully automatic biochemical detection system, including a turntable module 1 , a sample adding module 2 , a light detection module 3 and a heating module 4 .

[0063] like figure 1 As shown, the turntable module 1 includes a turntable 11 and a rotating member 12 that drives the turntable to rotate. The turntable 11 is circular, and 12 grooves 111 for placing the reaction tubes 5 are evenly formed on the turntable 11 along the circumferential direction. Put the required number of reaction tubes 5 symmetrically in the groove 111, to ensure the balance when the turntable rotates, for example, put 4 reaction tubes 5 in the 4 symmetrical grooves 111 on the turntable 11, for ease of expression, The four reaction tubes are respectively referred to as a first reaction tube 51 , a second reaction tube 52 , a third reaction tube 53 , and a fourth reaction tube 54 . The groove 111 where the first reaction tube 51 is placed is selected as the quality co...

Embodiment 2

[0084] This embodiment provides a method for detecting pesticide residues, which is completed using the fully automatic biochemical detection system provided in Example 1, specifically comprising the following steps:

[0085] S1, add three kinds of samples to be tested into three reaction tubes 5 in advance, then add a reference solution into another reaction tube 5, and put the four reaction tubes 5 into the grooves 111 on the turntable 11 symmetrically;

[0086] S2, the rotating member 12 drives the turntable 11 to rotate, so that the four reaction tubes 5 pass under the sampling needle 23 in sequence, and the cholinesterase solution and the color developer are quantitatively added dropwise to the reaction tube 5 by the sampling module 2, and the color is developed. The agent is dithiobisnitrobenzoic acid;

[0087] S3, the rotating part drives the turntable to rotate at a speed of ≥100 RMP, then stops in an emergency, repeats 3-5 times, and mixes the solution in the reaction...

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Abstract

The invention provides a full-automatic biochemical detection system. The full-automatic biochemical detection system comprises a rotary table module, a sample adding module and an optical detection module, wherein the rotary table module comprises a rotary table and a rotational component for driving the rotary table to rotate; grooves for putting reaction tubes are formed in the rotary table along the circumferential direction; the sample adding module comprises at least one set of liquid transferring components, a liquid drop sensor and a control circuit; the optical detection module comprises a light-emitting component and a detector. When the system is used, the rotary table rotates for enabling the reaction tubes to be located at the sample adding positions, the sample adding modulequantitatively drops a detection reagent and / or a to-be-detected sample into the reaction tubes, then the rotary table rotates at high speed and stops for enabling the solution to be uniformly mixed,and finally, the absorbance of the solution is measured by the optical detection module, and the concentration of the solution is obtained. All the detection modules are mutually matched, so that high-efficiency and high-accuracy detection is realized. The invention also provides a detection method for pesticide residue. The detection system has the advantages of high detection efficiency and accurate detection result, and is suitable for application and popularization of detection for mass pesticide residues.

Description

technical field [0001] The invention relates to the technical fields of biochemistry, environment and food detection, in particular to a fully automatic biochemical detection system and a method for detecting pesticide residues. Background technique [0002] Pesticide residues (Pesticide residues) refers to the general term for the pesticide parent, derivatives, metabolites and impurities that remain in the environment, organisms and food after the use of pesticides. In the usual sense, the detection of pesticide residues is mainly for agricultural products such as vegetables and fruits. detection of pesticide residues. The main causes of excessive pesticide residues in agricultural products are organophosphorus pesticides and carbamate pesticides that are banned in vegetable production in some countries, such as methamidophos, omethoate, parathion and methyl parathion. In order to ensure a good harvest of vegetables and fruits, a large number of pesticides are used or even...

Claims

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Application Information

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IPC IPC(8): G01N35/10G01N21/31
Inventor 夏明亮杨磊李抄刘德刚
Owner 苏州卡睿知光电科技有限公司
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