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Modular microfluidic chip clamp based on magnetic link

A microfluidic chip, modular technology, applied in the direction of laboratory equipment, laboratory containers, chemical instruments and methods, etc., can solve the problem of the inability to realize the integration and fixation of multiple chips, poor versatility, and the inability to meet the requirements of liquid flow through the chip. Requirements and other issues, to achieve the effect of building and adjustment, simple structure, easy disassembly and adjustment

Inactive Publication Date: 2019-06-25
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned types of chip fixtures are mostly designed for a specific type of chip, and their versatility is poor. They cannot meet the liquid requirements of chips of different materials and sizes, and cannot realize the integration and fixing of multiple chips.

Method used

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  • Modular microfluidic chip clamp based on magnetic link
  • Modular microfluidic chip clamp based on magnetic link
  • Modular microfluidic chip clamp based on magnetic link

Examples

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Embodiment Construction

[0026] The present invention will be further described below through specific embodiments and accompanying drawings.

[0027] This embodiment provides a modular microfluidic chip fixture that is simple in structure, easy to adjust, and easy to use. figure 1 It is an assembly drawing of the fixture as a whole. like figure 1 As shown, the fixture includes a base plate 1, an adjustment plate 2, a positioning module 3, a cover plate 4, a circular guide post 5, a rectangular permanent magnet material 6, an O-ring 7, a cylindrical permanent magnet joint 8, and a liquid inlet conduit 9 . 10 in the figure is a microfluidic chip.

[0028] A rectangular permanent magnet material 6 is embedded in the bottom plate 1, and the connection of each part of the fixture is realized by magnetic force; two symmetrical rectangular grooves are processed on the bottom plate 1, the length is 25.4mm, which is the same as the width of a standard slide glass, and the width is 10-30mm , used for inser...

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Abstract

The invention discloses a modular microfluidic chip clamp based on magnetic link. The modular microfluidic chip clamp includes: a base plate, a thickness adjustment module, a positioning module and acover plate. By embedding a permanent magnet material to the base plate and the cover plate, the connection of all parts can be realized by relying on magnetic force, by setting positioning holes at four corners of the above components, the installation precision is guaranteed by guide pillars. Two rectangular grooves are symmetrically arranged on the base plate for chip insertion and installation, and by machining positioning scale in the grooves and machining positioning holes on the positioning module, the connection precision can be ensured during magnetic joint insertion. By replacing anadjustment plate, installation of chips with different thicknesses can be realized. The grooves and bosses are disposed on both sides of the base plate respectively to guarantee the positioning of multiple clamp connection, the embedded permanent magnet material is exposed at the bottoms of the grooves, and the clamp is linked to the magnetic force of the permanent magnet material through the metal base plate. The device has the characteristics of simple structure, easy adjustment, disassembly and assembly, and convenient use.

Description

technical field [0001] The invention belongs to the technical field of microfluidic chips, and in particular relates to a modular microfluidic chip fixture based on magnetic links, which can realize rapid modular construction and adjustment of a multi-chip microfluidic test platform. Background technique [0002] Microfluidic technology is a technology for studying, processing and controlling nano-micron-sized fluids. It can control and transmit fluids with a volume of picoliters or even nanoliters in a microchannel structure that reaches microns or even nanometers on the least one-dimensional scale. quality. Microfluidic chips, as one of the most active frontiers in the development of microfluidic technology, can integrate analysis functions such as sampling, separation, and detection into a few centimeters of chips, and have been widely used in modern biochemical analysis, instant diagnosis, high-tech Throughput screening and other fields. [0003] Microfluidic chips are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L3/00
Inventor 范一强高克鑫张亚军
Owner BEIJING UNIV OF CHEM TECH
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