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Micro-fluidic chip use method capable of combining with cuvette

A technology of microfluidic chips and cuvettes, applied in chemical instruments and methods, laboratory containers, and analysis by chemical reactions of materials, etc., to avoid adhesion, avoid pollution, and reduce waste.

Active Publication Date: 2018-12-18
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides a multi-channel microfluidic chip for the detection of heavy metal ions and its The method of use realizes a functionally integrated component and is used in conjunction with a small spectrophotometer

Method used

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  • Micro-fluidic chip use method capable of combining with cuvette
  • Micro-fluidic chip use method capable of combining with cuvette
  • Micro-fluidic chip use method capable of combining with cuvette

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Embodiment Construction

[0036] refer to figure 1 and Figure 9 The shape and structure of a microfluidic chip used in combination with a cuvette is composed of three parts: a split flow area, a mixing area, and a liquid outlet area. It is characterized in that: the whole chip is in the shape of a cuboid slab. Arranged vertically according to the longest side of the cuboid, and sequentially process various functional components of the diversion area, mixing area, and liquid outlet area from the top.

[0037] The split area includes the top sample inlet 1 , the cylindrical sample storage tank 2 below the sample inlet 1 , and the main channel 3 communicating with the sample storage tank 2 , and also includes a liquid separation port 4 and a sample separation channel 5 . The main channel 3 is connected to three sample distribution channels 5 through the liquid distribution port 4, and the three sample distribution channels 5 are arranged parallel, vertical and equidistant after liquid separation at the l...

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Abstract

The invention provides a micro-fluidic chip use method capable of combining with a cuvette. The method is characterized in comprising the following steps that: a sample introduction system is started,sample liquid passes through a main channel, a liquid division hole and a sample division channel to enter a valve body; a mixing system is started, the sample liquid is preliminarily mixed in the valve body, the valve body rotates to enable a square hole to align with a liquid gathering hole, mixed liquid passes through the liquid gathering hole to form water drops, the water drops drip on the hemispherical body of a liquid homogeneity chamber to generate sputtering so as to generate tiny water drops, and the water drops drip in a collection tank along an inner wall and are fully staticallymixed in the collection tank; and finally, the cuvette is taken down to be detected in a spectrophotometer. The method has the beneficial effects of being convenient in operation and good in sample mixing effects, and an operation process is suitable for field detection.

Description

technical field [0001] The invention relates to a method for using a multi-channel microfluidic chip, in particular to a method for using a multi-channel microfluidic chip for detecting heavy metal ions, which can be directly used in combination with cuvettes of various specifications. technical background [0002] At present, with the rapid development of various industries and manufacturing industries, the widespread use of pesticides and chemical fertilizers, heavy metal pollution in farmland and rivers is becoming more and more serious. Heavy metal pollution is easy to accumulate in plants, animals and humans through the food chain because of its toxicity. , which poses a serious threat to the ecological environment and human health, has attracted more and more attention. Therefore, in order to make the detection of heavy metals simple and cheap, a simple, practicable, and low reagent consumption test device becomes an urgent need. [0003] Microfluidic chips, also know...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/01G01N21/78B01L3/00
CPCG01N21/01G01N21/78B01L3/5027B01L3/502753B01L2300/0861B01L2200/10
Inventor 徐文峰廖晓玲张园园游小双
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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