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Biological sample identifying instrument

A biological sample and identification instrument technology, which is applied in the field of biological sample identification instruments, can solve problems such as lack, and achieve high accuracy, simple and convenient operation, and strong characteristic effects

Inactive Publication Date: 2013-11-13
SOUTHWEST UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still a lack of special or general analysis and identification instruments for agricultural products or biological products in the market.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0035] Taking the detection of rapeseed oil and waste oil as an example, add 0.300mol / L malonic acid (1.00mol / L H 2 SO 4 ) 50.0ml, 1.25mol / L NaBrO 3 1.00ml, 4.00×10 -2 mol / L(NH 4 ) 4 Ce(SO 4 ) 4 (1.00mol / L H 2 SO 4 ) 1.00ml, 0.25mol / L sodium dodecylbenzene sulfonate 1.00mL and rapeseed oil sample 0.500ml or waste oil sample 0.500ml, after testing, the chemical oscillation fingerprint of the rapeseed oil sample and the waste oil sample Chemical oscillatory fingerprints (potential change curves), such as figure 2 shown.

[0036] The water bath, stirrer, detection board, sampling and control board and PC power supply are integrated in the same case, and the reactor is arranged on the case directly above the stirrer.

[0037] The stirrer includes a stepping motor, a strong magnet on the motor shaft and a stirring bar in the reactor. The upper computer controls the magnet on the shaft of the stepping motor through the mining control board to drive the stirring bar in th...

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Abstract

The invention provides a biological sample identifying instrument and relates to the field of instruments and meters. The biological sample identifying instrument comprises a reactor, a water bath, a stirrer, a detection plate and an acquisition control plate as well as an upper computer. The water bath, the stirrer, the detection plate and the acquisition control plate are integrated. A magnetic stirrer, a temperature sensor and a potential sensor are arranged in the reactor; a chemical oscillation mixture and a sample to be tested are added to the reactor for a chemical oscillation reaction; the upper computer controls the work of the water bath and the temperature of a reaction tank through the acquisition control plate, and simultaneously controls the detection plate, the temperature sensor and the potential sensor to monitor the reaction temperature and the potential change; next, a reaction potential change curve is recorded and a chemical oscillation fingerprint can be obtained; finally, the type or authenticity of the sample to be tested can be identified through clustering or classification by a pattern identifying method, and a sample identification report is output at last. The invention provides a method and equipment for identifying a complex biological sample based on the chemical oscillation fingerprint and a smart pattern identification technique; the method and the equipment have obvious advantages of integrated structure, automatic measurement and control, smart identification, strong objectivity, high accuracy and low cost.

Description

technical field [0001] The invention relates to the field of instruments and meters, in particular to an instrument for identification of biological samples. Background technique [0002] Food (including edible oil), beverages, seeds, traditional Chinese medicine, cigarettes and other agricultural products are important daily life materials for human beings, and their quality is directly related to people's quality of life and health. , leading to many people's money supremacy, material desires, and moral depravity. There are countless related counterfeit and shoddy products on the market, disrupting the social production order and endangering people's health. However, due to the lack of simple and effective agriculture-related counterfeit products Fake and shoddy product identification equipment has seriously restricted the crackdown on fake and shoddy products, resulting in the increasing proliferation of fake and shoddy products. [0003] At present, the identification o...

Claims

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Application Information

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IPC IPC(8): G01N27/26
Inventor 张明晓张寻陈雯李永玲
Owner SOUTHWEST UNIVERSITY
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