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Integrated multi-parameter test platform for microbes

A comprehensive testing and microbial technology, applied in the field of microbial testing, can solve problems such as low detection efficiency, achieve the effect of synchronous collection, improve detection efficiency and detection accuracy

Inactive Publication Date: 2015-05-06
TIANJIN AGRICULTURE COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing microbial detection technologies only analyze and detect a single characteristic or a few characteristics of microorganisms, and cannot realize comprehensive analysis and detection of multiple characteristics of microorganisms, making the detection efficiency low

Method used

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  • Integrated multi-parameter test platform for microbes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] combined with Figure 6 and 7 As shown, the high-precision plunger type micro-sampling pump includes: guide rails, sliding brackets, plunger pumps, liquid inlet conduits, liquid outlet conduits, liquid outlet check valves, liquid inlet check valves, springs, cams and motor.

[0044] Described guide rail 9 is arranged horizontally, and links to each other with the bottom end of sliding support 10, so that sliding support realizes moving left and right on guide rail; A plunger pump 11 is arranged on the top of sliding support, and plunger pump is provided with liquid inlet and The liquid outlet (not marked in the figure), connect the liquid inlet conduit 19 and the liquid outlet conduit 18 respectively at the liquid inlet and the liquid outlet, and set the liquid inlet one-way valve on the liquid inlet conduit and the liquid outlet conduit respectively 17 and the liquid outlet one-way valve 12, preferably the liquid inlet and the liquid outlet are arranged vertically; o...

Embodiment 2

[0047] combined with Figure 8 and 9 As shown, the structure of the high-precision plunger micro-sampling pump is basically the same as that of Embodiment 1. A load cell is embedded in the clutch plate, and the load cell is preferably embedded in the center of the outer end surface of the clutch plate in contact with the cam. A sensor, the load cell is connected to a controller, and the controller is connected to a motor, wherein:

[0048] The load cell is used to collect the pressure signal generated by the contact between the cam and the clutch plate when the motor drives the cam to rotate, and transmit the collected pressure signal to the controller;

[0049] The controller is used to receive the pressure signal sent by the load cell, and compare this pressure signal with the set pressure signal, when the two pressure signals are equal or the pressure signal sent by the load cell reaches the set pressure When the signal is 90-95%, send a control signal to the motor to mak...

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Abstract

The invention discloses an integrated multi-parameter test platform for microbes. The integrated multi-parameter test platform is mainly applied to the qualitative and quantitative detection on the microbes in a liquid. The test platform comprises a high-accuracy plunger type trace sampling pump, a microfluidic chip, a microscopic lens, a microscopic high spectrometer, a computer, a fiber spectrometer and a dielectric spectrometer, wherein the high-accuracy plunger type trace sampling pump can be used for accurately controlling the sampling of a microbial test solution. According to the platform, information acquisition of microscopic images of the microbes in the liquid can be realized, meanwhile, spectral characteristic information and dielectric property information on the microbes can be acquired, and the synchronous acquisition of multivariate information on the microbes is realized, so that the synchronous acquisition of the multivariate information on the microbes is realized, the efficiency of detection is increased, and the accuracy of detection is improved.

Description

technical field [0001] The invention belongs to the field of microorganism detection, in particular to a microorganism multi-parameter comprehensive test platform. Background technique [0002] Microbiological detection, especially the direct measurement of toxic microorganisms in food, has always been a research hotspot in food microbiological detection. At present, hyperspectral imaging technology has been widely used to study the quality, characteristics (pH value and viscosity) and pollutants (microorganisms and melamine) of food. In addition, hyperspectral imaging can be directly used to detect the viability of spores or endospores. A dielectric is a material that can undergo polarization under the action of an external electric field, including gas, liquid and solid materials. The dielectric constant is an important performance parameter of the dielectric. It is the microscopic performance of the internal structure of the dielectric, including charge distribution, c...

Claims

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Application Information

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IPC IPC(8): C12M1/34
CPCC12Q1/04
Inventor 卫勇刘华郭小英常若葵吴海云单慧勇
Owner TIANJIN AGRICULTURE COLLEGE
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