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Fluidic HPV genotyping chip detection method

A technology of genotyping and chip detection, applied in biochemical equipment and methods, microbial measurement/inspection, etc., can solve the problems of heavy manual intervention and achieve the effect of ensuring continuity and efficient automatic detection

Pending Publication Date: 2020-03-24
FUJIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, for the HPV genotyping chip of PCR-reverse dot hybridization method, the method of sample extraction-PCR amplification-constant temperature hybridization-visible light interpretation is usually used, and the workload of manual intervention is relatively large.

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  • Fluidic HPV genotyping chip detection method
  • Fluidic HPV genotyping chip detection method

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Embodiment 1

[0053] A detection system for a fluidic HPV genotyping chip detection method includes: a pipetting device 1, a temperature-controlled fluidic hybridization platform 2, and an image acquisition device;

[0054] The pipette needle can rotate around the axis, and the pipette needle 11 can be lifted up and down vertically to absorb or release a certain solution. In addition, the pipette needle has an automatic cleaning function, which can continuously add different liquids required for biochemical detection and display reactions ;

[0055] The temperature-controlled and fluid-controlled hybridization platform has a fluid-controlled circulation pump system and temperature control functions. At the same time, a rectangular HPV chip hybridization tank is opened on the surface of the table. The HPV detection chip membrane strip can be placed horizontally in the hybridization tank, and there is a liquid inlet. and drainage holes;

[0056] The image acquisition device includes a video ...

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Abstract

The invention relates to the field of in vitro diagnostic reagent detection, more specifically, relates to a fluidic HPV genotyping chip detection method comprising the following steps: dropwise adding a PCR product of a sample to be detected into PCR to-be-detected liquid small test tubes of an instrument, placing an HPV genotyping chip in an HPV chip hybridization tank, preparing reaction liquidrequired by hybridization, coupling and color development and distilled water required by cleaning, and carrying out automatic detection. The beneficial effects of the invention are that: a biochemical reaction model in a flow control mode is adopted; under the cooperation of a pipetting device for vertical sample adding and a circulating pump, the processes of multi-step hybridization, coupling,color development and cleaning required by HPV detection can share one set of pipetting device, storage pool, fluid pipeline, circulating pump and biochemical reaction tank, so that the continuity ofbiochemical detection steps is ensured, and automatic detection is easier to realize.

Description

technical field [0001] The invention relates to the field of detection of in vitro diagnostic reagents, in particular to a fluidic HPV genotyping chip detection method. Background technique [0002] At present, the main methods for domestic clinical detection of human papillomavirus (Human papillomavirus, HPV) DNA are real-time fluorescent PCR and hybrid capture method. Detect the result of hybridization between the amplified product and the coated type-specific probe membrane, and then use the alkaline phosphatase system for qualitative detection, so that 21 HPV genotypes (6, 11, 16, 18, 31, 33, 35, 39 , 42, 43, 44, 45, 51, 52, 53, 56, 58, 59, 66, 68 and CP8304) for typing detection and analysis, which has important clinical application value for preventing cervical cancer. [0003] At present, for the HPV genotyping chip of the PCR-reverse dot hybridization method, the method of sample extraction-PCR amplification-constant temperature hybridization-visible light interpret...

Claims

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Application Information

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IPC IPC(8): C12Q1/70C12Q1/6837
CPCC12Q1/708C12Q1/6837C12Q2531/113C12Q2565/501
Inventor 甘振华包琴邹复民熊保平
Owner FUJIAN UNIV OF TECH
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