Portable capillary pipe electrophoresis apparatus

A capillary electrophoresis, portable technology, applied in instruments, scientific instruments, material analysis through electromagnetic means, etc., can solve the problem of high price, achieve the effect of easy portability, smooth up and down and back and forth movement, accurate and convenient pressing operation

Active Publication Date: 2012-05-16
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no relevant portable instrument in China, and most of the capillary electrophoresis instruments at home and abroad use the deuterium lamp produced by Hamamatsu, and the price is relatively high

Method used

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  • Portable capillary pipe electrophoresis apparatus
  • Portable capillary pipe electrophoresis apparatus
  • Portable capillary pipe electrophoresis apparatus

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Embodiment Construction

[0018] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0019] Such as figure 1 As shown, the present invention includes a sampling system 1 , an optical detection system 4 , a high voltage power supply 5 , a photoelectric conversion unit 6 , a signal processing unit 7 and a peripheral computer 8 . The high-voltage power supply 5 provides the required high voltage for the sampling system 1. The sampling system 1 sends the reagent to be tested into the optical detection system 4 for detection. The photoelectric conversion unit 6 converts the optical signal into an electrical signal and sends it to the signal processing unit 7. Sent to the software of computer 8 for processing and display.

[0020] Such as figure 2 As shown, the sample feeding system 1 of the present invention includes a base 11, a sliding frame 12 is arranged in the base 11, a sliding roller 13 is arranged on the bottom and side walls of...

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Abstract

The invention relates to a portable capillary electrophoresis apparatus, which comprises a sampling introducing system, an optical detecting system, a high-voltage power source, a photoelectric converting unit and a signal processing unit, wherein, the sampling introducing system comprises a base and an upper baffle is arranged at one side of the base, a positioning guide rail with a plurality ofpositioning slots is fixedly connected with the other side of the base; a sleeve barrel is fixedly connected with a top slab of a slide frame that is arranged between the base and the upper baffle, an upright post which is provided with a positioning pin that is arranged in the axial direction and inserted into a slotted hole in a middle part of the sleeve barrel is arranged inside the sleeve barrel, a spring is arranged between a base of the upright post and the top slab of the slide frame, a tray with a millipore plate is fixedly connected with the top of the upright post, a positioning pinthat is matched with the positioning slot is arranged on the tray, and two detecting electrodes and two ends of a capillary are fixed above the base through a clamping holder; wherein, the power source of the optical detecting system adopts a pen-typed mercury lamp, and other units in the system all adopt existing techniques. The portable capillary electrophoresis apparatus has wide application range and convenient portability, and can implement the detection of various reagents.

Description

technical field [0001] The invention relates to a capillary electrophoresis instrument, in particular to a portable capillary electrophoresis instrument. Background technique [0002] The phenomenon of swimming of charged particles in an electric field in many solutions has been discovered as early as the beginning of the 19th century. Before Michaelis' work on the identification of enzymes, electrophoresis was only studied as a physical and chemical phenomenon. In the middle of the nineteenth century, Wiedemann and Buff began to study the swimming phenomenon of charged ions in solution under the action of an electric field. Later, on the basis of experiments, Kohlrausch derived a theoretical formula for ion movement, describing the The basic theory of electrophoresis including electrophoresis, isotachophoresis and mobile interface electrophoresis, the entry of electrophoresis into analytical chemistry in the true sense was after the pioneering research of Sverdberg and Tise...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/453
Inventor 林金明陈凤明
Owner TSINGHUA UNIV
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