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Capillary electrophoresis apparatus

A capillary electrophoresis and capillary technology, which is applied in the field of biochemical detection, can solve problems such as low sampling efficiency, and achieve the effects of convenient operation, easy control, and improved sampling efficiency.

Active Publication Date: 2021-08-03
NANCHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] For this reason, the object of the present invention is to propose a kind of capillary electrophoresis instrument, to solve the low problem of prior art sampling efficiency

Method used

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Embodiment Construction

[0033] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. Several embodiments of the invention are shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

[0034] It should be noted that when an element is referred to as being “fixed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "upper," "lower," a...

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Abstract

The invention provides a capillary electrophoresis apparatus. The apparatus comprises a sealed cabin outer cylinder and a sealed cabin plug, and the sealed cabin plug comprises a plug cover and a plug body. According to the capillary electrophoresis apparatus provided by the invention, when the plug body is completely inserted into the sealed cabin outer cylinder, the sealed cabin outer cylinder and the sealed cabin plug form a sealed structure, the sample seat is pushed to lift by an electric push rod, so that the capillary and an electrode extend into the sample liquid in a sample cup, and meanwhile, compressed air with preset pressure is introduced into the sealed structure through an air pump, so to make the sample liquid in the sample cup flow into a capillary tube, so that a positive-pressure sample introduction mode is realized, the pressure intensity provided by positive pressure can be higher, the sample introduction efficiency can be effectively improved, and the efficiency of cleaning the inner wall of the capillary tube and filling a buffer solution can be improved; in addition, the pressure intensity of the positive pressure is easier to control, so the sample injection amount can be controlled by controlling the pressure intensity of the positive pressure and the pressurization time according to different requirements, and micro sample injection is realized.

Description

technical field [0001] The invention relates to the technical field of biochemical detection, in particular to a capillary electrophoresis instrument. Background technique [0002] Capillary electrophoresis technology, also known as high-efficiency capillary electrophoresis, uses capillary as the separation channel and DC high-voltage electric field as the driving force. A general term for liquid-phase separation analysis methods and techniques. [0003] Capillary electrophoresis instrument is the main equipment for capillary electrophoresis analysis. Its basic principle is to electrophoresis the sample to be tested in the quartz capillary filled with electrophoretic fluid, and then realize biochemical analysis. In the prior art, the sample injection of the capillary electrophoresis instrument is mainly realized by means of negative pressure, and the pressure of the negative pressure is usually relatively low, resulting in low sample injection efficiency. Contents of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/447
CPCG01N27/44704G01N27/44743
Inventor 肖勇胡海良
Owner NANCHANG UNIV
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