Micro-fluidic chip, system and method for detecting biochemical elements of water body

A microfluidic chip, biochemical technology, applied in chemical instruments and methods, laboratory containers, analysis by making materials undergo chemical reactions, etc., can solve system power consumption and large volume, increase reaction time, and use flexibly Poor performance and other problems, to achieve the effect of ensuring timeliness and miniaturization, reducing volume and power consumption, and increasing mixing uniformity

Pending Publication Date: 2021-11-30
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI +1
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  • Abstract
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  • Claims
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Problems solved by technology

Most of the existing microfluidic chips are made of PMMA, glass, PEI, etc. The material does not have total reflection characteristics. Limited by the material of the microfluidic chip, the length of the colorimetric cell does not exceed 10cm, resulting in low detection sensitivity and the inability to achieve trace detection of elements
And once the flow path of the microfluidic chip is determined, the length of the colorimetric cell is fixed. If it is necessary to adjust the optical path length of the colorimetric cell to adapt to different ranges of measurement, the microfluidic chip can only be redesigned and processed, and the processing and time costs are high. Poor flexibility of use;
[0004] 2. The flow path of the existing micro

Method used

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  • Micro-fluidic chip, system and method for detecting biochemical elements of water body
  • Micro-fluidic chip, system and method for detecting biochemical elements of water body

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Example Embodiment

[0038] Embodiment:

[0039] In the description of the invention, it is to be explained, unless otherwise expressly specified and defined, the term "mount", "connection" should be used to understand, for example, may be a fixed connection, or a detachable connection, or integral Connection; it can be mechanical connection; it can be directly connected, or it can be indirectly connected by an intermediate medium, and it can be said communication inside the two components. The above term may be understood in detail to those skilled in the art. The technical solutions of the present invention will be further described below with reference to the accompanying drawings and examples.

[0040] See Figure 1-2 As shown, the microfluidic chip provided by the water biochemical element of this embodiment mainly includes a chip body, the chip body being symmetrically assembled by two panels, and sets a chip flow path in each panel. half). Wherein, the chip flow path includes mainly including in...

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Abstract

The invention discloses a micro-fluidic chip, a system and a method for detecting biochemical elements of a water body. The micro-fluidic chip comprises a chip body, and a chip flow path is arranged in the chip body; the chip flow path comprises a sample injector connecting channel, a multipurpose connecting channel, a liquid storage pipeline, a water sample and reagent cross mixing area, a reagent connecting channel, a reaction pipeline and an internal optical path detection pool. The micro-fluidic chip for detecting the biochemical elements of the water body, provided by the invention, can be externally connected with liquid core waveguide pipelines with different lengths according to requirements besides an internal optical path detection pool, so that long-optical-path high-sensitivity detection can be realized, and high-precision detection of trace biochemical elements is realized. Compared with a traditional micro-fluidic detection system using a plurality of sample injectors or injection pumps, the detection system provided by the invention only needs one sample injector to realize cleaning of a flow path and sample injection and reaction of each sample and reagent, so that the volume and power consumption of a sample injection device of the system are greatly reduced.

Description

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Claims

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Application Information

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Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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