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Campylobacter jejuni detection method with liquid chip

A liquid phase chip detection and Campylobacter jejuni technology, which is applied in the fields of immune technology and food hygiene detection, can solve the problems of long time and complicated operation, and achieves the effects of simple operation, wide application range and good signal-to-noise ratio.

Inactive Publication Date: 2012-04-25
吉林出入境检验检疫局检验检疫技术中心
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

At present, the methods for the detection of Campylobacter jejuni in food (whether classical methods, molecular biology methods, immunological methods, etc.) have the characteristics of cumbersome operation and long time, and only one kind of bacteria can be detected at a time.

Method used

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  • Campylobacter jejuni detection method with liquid chip
  • Campylobacter jejuni detection method with liquid chip
  • Campylobacter jejuni detection method with liquid chip

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Embodiment Construction

[0014] The technical scheme adopted in the present invention is: after the specific antibody of Campylobacter jejuni is coupled with microspheres, a liquid phase chip capable of detecting Campylobacter jejuni is prepared, and when applied, a sample enrichment solution is added to make the The Campylobacter jejuni in the enrichment solution is captured by the capture antibody on the microspheres, the detection antibody is also combined with the Campylobacter jejuni, and then incubated with the biotin-labeled anti-antibody, and then passed biotin and streptavidin- Phycoerythrin reaction, the application of Luminex100 detection system to realize the specific detection of Campylobacter jejuni.

[0015] The liquid phase chip for detecting Campylobacter jejuni involved in the present invention is mainly composed of microspheres, capture antibodies, detection antibodies, biotin-labeled anti-antibodies, and streptavidin-phycoerythrin (SA-PE). It is characterized in that the microspher...

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Abstract

The invention which relates to a Campylobacter jejuni detection method with a liquid chip belongs to the technical fields of immunization and food health detection. The invention which aims to provide a liquid chip utilization technology provides a Campylobacter jejuni detection method to realize the rapid Campylobacter jejuni detection. The liquid chip which is prepared in the invention is applied to detect Campylobacter jejuni. Compared with several other detection methods, the Campylobacter jejuni detection method with the liquid chip of the invention has the advantages of bidirectional high throughout of the detection sample number and the detection project (a large number of samples can simultaneously undergo detection projects with the number of high to ninety six), good flexibility, high sensitivity, good signal / noise ratio, simple operation, wide standard curve range, wide application range and the like. The liquid chip technology has a wide application prospect in fields of clinical diagnosis, infectious disease diagnosis by veterinarians, food microbe detection and the like when the technology is used as an advanced operation platform for the bioinformatics. The method which allows the rapid Campylobacter jejuni detection to be realized makes a contribution to the food safety.

Description

technical field [0001] The invention belongs to the technical field of immune technology and food sanitation detection. Background technique [0002] Campylobacter jejuni is a pathogenic bacterium that has received widespread attention at home and abroad since the 1980s. It can cause a variety of diseases in humans and animals. It is considered to be the main pathogenic bacterium that causes bacterial diarrhea in humans all over the world, and its infection rate for humans is no less than that of Salmonella and Shigella are important foodborne pathogens. The source of infection is mainly animals and their contaminated food. Campylobacter is widely distributed in various animals, among which poultry, wild fowl and livestock carry the most bacteria, followed by campylobacter isolated from rodents. The current methods for the detection of Campylobacter jejuni in food (whether classical methods, molecular biology methods, immunological methods, etc.) are characterized by cumber...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/569
Inventor 王振国刘金华蔡阳罗雁非刘涛王亚丽宋战昀
Owner 吉林出入境检验检疫局检验检疫技术中心
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