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Membrane type separating chip

A membrane separation and chip technology, applied in the medical field, can solve the problems of high labor intensity, measurement error, and large consumption of sample biochemical reagents, and achieve the effect of solving easy blockage and improving separation efficiency.

Inactive Publication Date: 2014-05-21
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing sample pretreatment technologies are often implemented off-chip, and most of them have disadvantages such as time-consuming, labor-intensive, difficult to automate, poor precision, and large consumption of samples and other biochemical reagents, and are often the main cause of measurement errors
The traditional sample pretreatment technology can no longer meet the needs of the lab-on-a-chip, and it is necessary to develop a new micro-separation technology

Method used

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  • Membrane type separating chip
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Embodiment Construction

[0014] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present invention, but should not be understood as limiting the present invention.

[0015] In the description of the present invention, the terms "inner", "outer", "longitudinal", "horizontal", "upper", "lower", "top", "bottom", etc. indicate the orientation or positional relationship based on the accompanying drawings. The orientation or positional relationship shown is only for the convenience of describing the present invention and does not require that the present invention must be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of th...

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Abstract

The invention discloses a membrane type separating chip. The membrane type separating chip comprises a cover sheet, a substrate and a separating membrane, wherein at least one liquid storing tank and a collecting tank are formed on the cover sheet; a collecting channel is arranged on the substrate; at least one separating member is arranged between the cover sheet and the substrate; the cover sheet, the separating membrane and the substrate are of a sandwich structure; the liquid storing tank is communicated with the collecting channel through the separating membrane; and the collecting channel is communicated with the collecting tank. According to the membrane type separating chip, the cover sheet, the substrate and the separating membrane effectively improve the separating efficiency, and the problems of easy blocking and poor selectivity can be solved.

Description

Technical field [0001] The invention relates to medical technology, in particular to a membrane separation chip for cell separation. Background technique [0002] The information obtained from the testing of blood, urine and other sample fluids can help analyze the condition, observe the curative effect, and judge the prognosis, provide a basis for disease prevention, guide clinical medication and conduct clinical medical research. Although the existing semi-automatic or fully automatic analyzer can be used for testing to a certain extent, with the improvement of people’s living standards and the improvement of the medical and health care system, people have new requirements for it, faster and more accurate , The sample size is smaller and the cost is lower. In order to meet the needs of people, the concept of a lab-on-a-chip based on microelectronics processing technology came into being. It is considered by the scientific and industrial circles to be one of the most important ...

Claims

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Application Information

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IPC IPC(8): C12M1/12
CPCC12M45/00
Inventor 李芳芳游璠王小英黄石樊建平
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI