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Pesticide residue detection system capable of uploading data in real time

A pesticide residue detection and real-time upload technology, which is applied in the direction of testing food, measuring devices, material inspection products, etc., can solve the problems of long detection time, few types, complicated pretreatment steps, etc., and achieve cost saving, high comprehensiveness, The effect of broad application prospects

Inactive Publication Date: 2017-07-28
万发(广州)进出口贸易有限公司
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Problems solved by technology

[0004] Chromatographic detection technology has high detection sensitivity and can be qualitatively and quantitatively performed at the same time; but it also has its shortcomings. Chromatographic detection has high requirements on samples and usually requires complex pretreatment steps. At the same time, chromatographic detection technology also requires the use of large and expensive instruments. Only scientific research units with better laboratory conditions can have it, and the testing process also requires professional operation, which is not conducive to large-scale testing work by grassroots units
Living organisms are directly measured by living organisms. This method has good applicability for the detection of pesticide residues with ultra-high activity, but the method of living organisms also has strong limitations, such as the lack of accurate qualitative and Quantitative, and the detection time is long

Method used

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preparation example Construction

[0034] As another preferred embodiment, a method for preparing a working electrode will be introduced below, comprising the following steps:

[0035] (1) Polish the carbon-titanium alloy sheet with sandpaper until the surface is smooth, and then place it in 75% alcohol solution and deionized water for 1 hour, so as to remove grease and other residues on the surface;

[0036] (2) For the first electropolymerization, immerse the treated carbon-titanium electrode in 0.02mol / L (Prussian blue, PB) hydrochloric acid solution, the working potential is in the range of 0.03-0.9V, the sweep rate is 20mV / s, and the cycle voltage Scan for 10-20 circles, take it out, rinse it with deionized water, and make a PB carbon-titanium electrode;

[0037] (3) Dissolving the combined template molecule and AIBN in the porogen, adding a crosslinking agent and a monomer, and ultrasonicating for 10-20 minutes to form a uniform sol;

[0038] (4) Then use the dipping-pulling method to dip the matrix into...

experiment example

[0042]In order to detect different combinations of template molecules in carbon-titanium electrodes with a sandwich structure, and to explore the detection sensitivity and response time of the sensor, several combinations of template molecules will be selected below, and the combination of template molecules is (combination one (oxytetracycline: doxycycline Prime=1-2:2.1-3); Combination two (oxytetracycline: methacycline: doxycycline=3:2:1.2); Combination three (oxytetracycline: chlorotetracycline: dyramycin: A Oxytetracycline=1.5:2:1:3); Combination four (oxytetracycline: chlorotetracycline: methacycline: doxycycline=2:1:1:0.5).) to the same point to be tested samples Parallel testing is carried out, and the samples to be tested include an agricultural product A whose tetracycline content is known to be within a safe range and another agricultural product B whose tetracycline exceeds the standard; the test results are shown in the following table:

[0043] Table 1 Test result...

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Abstract

The invention specifically discloses a pesticide residue detection system capable of uploading data in real time, including a pesticide residue detector, a client and a cloud server, and the pesticide residue detector communicates with the client through a Bluetooth communication module or an infrared transmission module , the client is connected to the cloud server through a wireless network, and the wireless network includes WIFI and mobile network. The present invention combines offline detection with cloud technology, relies on intelligent communication equipment and developed mobile network, and conducts a large number of analysis and calculation processes in the cloud, which is beneficial to relevant departments to integrate and analyze sampling detection results and track long-term detection results . The cloud storage of the test results makes the test results traceable.

Description

technical field [0001] The invention relates to the technical field of rapid detection of pesticide residues, in particular to a pesticide residue detection system capable of uploading data in real time. Background technique [0002] Pesticides and food safety are a unity of contradictions. The correct use of pesticides can ensure the safety of food in quantity, while improper use of pesticides will lead to unsafe food in terms of quality. That is to say, pesticides play an important role in ensuring the safety of agricultural production, but at the same time inevitably bring the risk of pesticide residues. In recent years, the problem of pesticide residues has attracted more attention in food safety. Due to the accelerated replacement of pesticides, synthetic The types and quantities of pesticides used are increasing day by day, and the situation of pesticide residues is becoming more and more complicated. [0003] The physical and chemical properties of different types of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/02G01N27/26G01N27/30
CPCG01N33/02G01N27/26G01N27/308
Inventor 不公告发明人
Owner 万发(广州)进出口贸易有限公司
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