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Using method of multilayered micro-fluidic chip for detection

A microfluidic chip and chip technology, applied to chemical instruments and methods, laboratory containers, and analysis through chemical reactions of materials, can solve the problems of large instruments, inability to meet rapid on-site detection, and complicated operations. problem, to achieve the effect of small size, conducive to on-site detection, and simple operation

Active Publication Date: 2018-10-26
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
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AI Technical Summary

Problems solved by technology

Due to the large size and complicated operation of current detection instruments, most of them have the disadvantage of not being able to meet the needs of on-site rapid detection.

Method used

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  • Using method of multilayered micro-fluidic chip for detection
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  • Using method of multilayered micro-fluidic chip for detection

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Embodiment Construction

[0030] refer to Figure 1 to Figure 12 The shape structure in the present invention is a method for using a multilayer microfluidic chip for detection. The chip used is composed of three parts: a first layer substrate 27 , a second layer substrate 28 and a third layer substrate 29 . The chip is circular or rectangular, and is bonded together by three layers of substrates of transparent material with the same shape and size, fixed with fixing pins 15 through the fixing holes 4, and can be disassembled.

[0031]The first layer of substrate 27 is processed with a sample inlet 1 on one side of the circular or rectangular substrate, and one end of the sample inlet channel 2 is connected to the sample inlet 1 . After the sampling channel 2 passes through the wave sedimentation tank 16 processed around the edge of the chip, the grid sedimentation tank 17 , and the pit sedimentation tank 18 , the other end communicates with the overflow pool 19 . The bottom level of the overflow pool...

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Abstract

The invention provides a using method of a multilayered micro-fluidic chip for detection. The using method of the multilayered micro-fluidic chip for detection is characterized by comprising the following steps: first step, selecting the specification of the chip; second step, preparing the chip; third step, assembling and closing; fourth step, adding samples and detecting; and fifth step, disassembling and cleaning. The using method of the multilayered micro-fluidic chip for detection has the beneficial effects that the specifications of chips are numerous, requirements for simultaneous detection of multiple heavy metals can be met, the chip is assembled conveniently, and an experimental method is simple; and the chip is disassembled easily, a filter device and the like can be convenientto clean and change, and field detection is facilitated.

Description

technical field [0001] The invention relates to a method for using a multilayer microfluidic chip, in particular to a method for using a multilayer microfluidic chip for rapidly detecting the concentration of heavy metal ions in petroleum wastewater by using a colorimetric method. technical background [0002] With the development of social economy, the social environment is getting more and more polluted. Petroleum wastewater is one of the pollution sources in today's society. Petroleum wastewater contains a large amount of toxic and harmful substances such as oil substances and heavy metals, which will indirectly cause harm to human health. In today's society, the detection of heavy metals in petroleum wastewater is very popular. Due to the large volume and complicated operation of the current detection instruments, most of them have the disadvantage of not being able to meet the needs of on-site rapid detection. [0003] Therefore, in order to achieve the purpose of on-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L3/00G01N21/78
CPCG01N21/78B01L3/5027B01L3/502753B01L2300/0861B01L2300/0887B01L2200/10
Inventor 廖晓玲徐文峰张园园杨梅
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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