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Micron particle concentrating device with low cost and manufacturing method of micron particle concentrating device

A technology of micron particle and concentrating device, which is applied in chemical instruments and methods, preparation of test samples, laboratory utensils, etc. The effect of improved work efficiency and high throughput

Active Publication Date: 2015-09-23
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many chip making steps can only be completed by professional staff in professional laboratories, making it difficult to achieve low cost and commercialization of microfluidic chips

Method used

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  • Micron particle concentrating device with low cost and manufacturing method of micron particle concentrating device
  • Micron particle concentrating device with low cost and manufacturing method of micron particle concentrating device
  • Micron particle concentrating device with low cost and manufacturing method of micron particle concentrating device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Such as Figure 1-6 As shown, a low-cost micron particle concentration device includes a round rod 3, a rubber layer 4, a spiral tube 5, an adapter 8, a Y-shaped adapter 6, a concentrated liquid outlet microtube 10 and a waste liquid outlet microtube 11; The spiral tube 5 is fixedly connected to the lower edge of the rubber layer 4, and the spiral tube 5 and the rubber layer 4 are uniformly wound around the periphery of the round rod 3; the top end of the spiral tube 5 is the inlet end 7, and the bottom end is the outlet end. 9. The inlet port 7 is connected to the adapter 8, and the outlet port 9 is connected to the Y-shaped adapter 6; the Y-shaped adapter 6 is a one-in-two-out structure, and the interior includes a liquid inlet 16, a concentrated solution outlet 14, a waste The liquid outlet 15, the first connected joint 17, the second connected joint 12 and the third connected joint 13, the concentrated liquid outlet 14 and the waste liquid outlet 15 communicate with...

Embodiment 2

[0064] It is basically the same as the embodiment 1, except that: the helical direction of the spiral tube 5 is right-handed; the spiral tube 5 is made of flexible opaque material.

Embodiment 3

[0066] It is basically the same as Embodiment 1, except that: the spiral direction of the spiral tube 5 is right-handed; the spiral tube 5 is made of flexible translucent material.

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Abstract

The invention discloses a micron particle concentrating device with low cost and a manufacturing method of the micron particle concentrating device. The micron particle concentrating device with low cost comprises a round rod, a rubber layer, a spiral round pipe, an adapter, a Y-shaped joint, a concentrated solution outlet micropipe and a waste liquid outlet micropipe, wherein the spiral round pipe is fixedly connected with the lower edge of the rubber layer, and the spiral round pipe and the rubber layer are uniformly and spirally wound to the periphery of the round rod; the top end of the spiral round pipe is an inlet end, and the bottom end of the spiral round pipe is an outlet end; the inlet end is connected with the adapter, and the outlet end is connected with the Y-shaped joint; the Y-shaped joint adopts a structure with one inlet and two outlets, a liquid inlet, a concentrated solution outlet, a waste liquid outlet, a first conjoined contact, a second conjoined contact and a third conjoined contact are in the Y-shaped joint, the concentrated solution outlet and the waste liquid outlet are respectively communicated with the liquid inlet, and the liquid inlet is communicated with the outlet end; the concentrated solution outlet micropipe is communicated with the concentrated solution outlet; the waste liquid outlet micropipe is communicated with the waste liquid outlet. The micron particle concentrating device disclosed by the invention is simple in structure, high in flux and low in manufacturing cost, and the inertial effect of microfluid can be used for realizing the concentration of micron order biological particles.

Description

technical field [0001] The invention relates to a sorting device based on the microfluidic inertial effect, in particular to a low-cost micron particle concentrating device and a manufacturing method thereof. Background technique [0002] Concentration technology is an important method in the process of sample pretreatment, and has been widely used in biology, medicine, environment and food industries. Sample concentration plays a key role in greatly improving the detection capability of existing analytical methods. At present, the main concentration methods are: air blowing steaming method, vacuum concentration method, rotary evaporator concentration method, vacuum centrifugal concentration method, etc. [0003] The steam blowing method is to blow air or nitrogen into the container containing the sample, continuously reduce the vapor pressure of the liquid surface, and continuously evaporate the solvent to achieve the purpose of concentration. Although this method is simp...

Claims

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Application Information

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IPC IPC(8): B01L3/00G01N1/40
Inventor 倪中华易红石志国项楠
Owner SOUTHEAST UNIV
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