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A portable microfluidic chip analysis diagnostic instrument and control method

A technology of microfluidic chips and diagnostic instruments, which is applied in the direction of instruments, measuring resistance/reactance/impedance, measuring devices, etc., can solve problems such as difficulty in meeting immediate field application requirements, large volume, and high cost, and achieve improved detection capabilities and resistance Interference ability, convenience improvement effect

Active Publication Date: 2022-04-22
HUNAN INSTITUTE OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these devices are bulky, expensive, and difficult to meet the needs of instant on-site applications such as field emergency detection and clinical diagnosis.

Method used

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  • A portable microfluidic chip analysis diagnostic instrument and control method
  • A portable microfluidic chip analysis diagnostic instrument and control method
  • A portable microfluidic chip analysis diagnostic instrument and control method

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Embodiment Construction

[0024] In order to facilitate the understanding of the present invention, the implementation examples of the present invention will be specifically described below with reference to the relevant drawings.

[0025] Fig. 1 (a) and Fig. 1 (b) have shown the specific structure of the preferred embodiment of the present invention, comprise casing 00, detection circuit board 01, main control circuit board 02, LCD display touch screen 03 and battery module 04 components . The housing 00 includes an upper cover, a bottom box and a packaging board, the detection circuit board 01 and the LCD display touch screen 03 are installed on the packaging board of the housing 00, the main control circuit board 02 and the battery module 04 are installed in the bottom box and under the packaging board . The rear of the bottom box is designed with a charging interface and a serial interface for communicating with a PC.

[0026] As shown in FIG. 2( a ), the detection circuit board 01 is composed of...

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Abstract

The invention discloses a portable microfluidic chip analysis and diagnosis instrument and a control method. The analysis and diagnosis instrument includes four major components: a casing, a detection circuit board, a main control circuit board, an LCD display touch screen and a battery module. The detection circuit board is designed based on the principle of current-voltage conversion. It is a foldable structure, and adopts a unique anti-interference and shielding method to detect and amplify the weak conductance signal of the sample in the microfluidic chip. The main control circuit board includes a microcontroller, an excitation signal module, a power module, a high-voltage power supply module, a rectification amplifier module, a serial communication module and a Bluetooth communication module. Detection, analysis, display and transfer tasks of samples in chips. The invention has the advantages of good portability, strong anti-interference ability and good expandability, and can effectively meet the needs of instant on-site applications such as field emergency detection and clinical diagnosis.

Description

technical field [0001] The invention relates to the technical field of microfluidic detection, in particular to a portable microfluidic chip analysis diagnostic instrument and a control method. Background technique [0002] Microfluidic chip technology is an analysis and detection technology that integrates biochemical reaction processes such as sample preparation, reaction, separation, and detection on a chip that is only a few square centimeters in size. Due to the characteristics of less consumption of samples and reagents, fast analysis speed, and high sensitivity, it has developed into a new interdisciplinary research field of biochemistry, medicine, and fluids, and has broad application prospects in biomedicine, food inspection, and environmental monitoring. With the acceleration of the industrialization process, water quality, food, and drug pollution, which are closely related to life, have increasingly attracted widespread attention from the society, and on-site rap...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/04G01R27/02
CPCG01N27/04G01R27/02
Inventor 童耀南陈松陈传品周峰杨宣兵陈振光
Owner HUNAN INSTITUTE OF SCIENCE AND TECHNOLOGY
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