Capillary array and electrophoresis device

By employing a linear arrangement of capillary arrays and a fixed block design in the capillary electrophoresis apparatus, the problems of heat dissipation performance and device miniaturization were solved, thereby improving the uniformity of electric field intensity and analytical performance.

CN121969925APending Publication Date: 2026-05-01HITACHI HIGH TECH CORP
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Patent Information

Application Number
CN202380102895.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-11-06
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing capillary electrophoresis devices suffer from deteriorated heat dissipation performance when configured with multiple capillaries, and it is difficult to balance miniaturization and separation performance, which can easily lead to misjudgments in DNA analysis.

Method used

By employing a linear arrangement of capillary arrays and using a design that fixes one end of each capillary, the electric field strength between the capillary tubes is ensured to be uniform, and the number of fixing components is reduced, thus enabling the device to be miniaturized.

Benefits of technology

This approach achieves uniformity of electric field intensity between capillaries and miniaturization of the device, improving analytical performance, reducing device cost and heat dissipation performance degradation, and minimizing deviations in DNA separation performance.

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Abstract

The purpose of the present disclosure is to provide a capillary array capable of uniformizing the electric field intensity between capillaries and reducing the size of the device. A capillary array according to the present disclosure is provided with a block for fixing one end of a first capillary at a position farther from a detection unit than one end of a second capillary, and each of the capillaries is arranged in a straight line from the block to the detection unit (fig. 3).
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