A multi-module emulsion droplet generation control device

A technology for the generation and control of droplets, which is applied in laboratory containers, laboratory utensils, chemical instruments and methods to achieve the effects of uniform and controllable size, controllable size and stable generation rate.

Active Publication Date: 2022-04-29
长春技特生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In view of the above-mentioned problems, in order to overcome the deficiencies in the prior art, the present invention proposes an optional multi-module, multi-channel generated emulsion droplet generation control device, under the condition of ensuring that the compression pump (vacuum pump) is not polluted, realize It can control the formation of emulsion droplets from 1 to 7 channels at the same time, and can form emulsion droplets of different sizes

Method used

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  • A multi-module emulsion droplet generation control device
  • A multi-module emulsion droplet generation control device
  • A multi-module emulsion droplet generation control device

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Embodiment Construction

[0047] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0048] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention relates to a multi-module emulsion droplet generation control device, comprising: a replaceable pressure generating module, which includes a positive pressure generating module, a negative pressure generating module and a positive and negative mixed pressure generating module independently arranged; a proportional valve, It is detachably connected with the replaceable pressure generating module; the fixed plate is fixed with a plurality of gas channels, one end of each channel communicates with a proportional valve, and the other end has a solenoid valve, and all the solenoid valves together form a solenoid valve array. The device is characterized by multi-module, multi-channel or single-channel independent generation, and realizes the generation of emulsion droplets without polluting the compression pump or vacuum pump. The size of the droplets is uniform and controllable, and the generation rate is stable; this device can realize the generation of a single channel Micro-droplets can also realize continuous generation of multi-channel micro-droplets, which is convenient, flexible and controllable in size.

Description

technical field [0001] The application relates to a multi-module emulsion droplet generation control device, which is used to control the generation of emulsion droplets of a microfluidic chip, and belongs to the technical field of biological detection. Background technique [0002] Emulsion droplet technology is a micro-nano technology that uses the interaction between flow shear force and surface tension to divide continuous fluid into discrete emulsion droplets of nanoliter and below volume in micro-scale channels. It is a brand-new technique for manipulating the volume of emulsion droplets developed in recent years. [0003] The basic process of emulsion droplet formation is: two kinds of mutually immiscible liquids are used as the continuous phase, and the other is used as the dispersed phase, and the dispersed phase is separated by a small volume (10 -15 -10 -9 L) The form of the unit is dispersed in the continuous phase, forming micro-droplets to move in the channel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01L3/00
CPCB01L3/502784
Inventor 司远徐仕强吕洋褚春旭
Owner 长春技特生物技术有限公司
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