Multichannel microfluidic fluorescence detection device and method

A fluorescence detection and microfluidic technology, which is applied in measurement devices, fluorescence/phosphorescence, and material analysis through optical means, can solve the problems of preparation cost, power consumption, photoelectric gain, microfluidic chip integration difficulty, and multi-channel detection adaptability Limitations and other issues, to achieve the effect of preparation difficulty and low cost, strong practicability, and wide application range

Active Publication Date: 2017-10-17
SYSU CMU SHUNDE INT JOINT RES INST +1
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Problems solved by technology

Traditional photoelectric sensors widely used in microfluidic fluorescence detection mainly include photomultiplier tubes, avalanche diodes, and photodiodes. There are certain limitations in multi-channel detection adaptability and other aspects

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  • Multichannel microfluidic fluorescence detection device and method
  • Multichannel microfluidic fluorescence detection device and method
  • Multichannel microfluidic fluorescence detection device and method

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Embodiment Construction

[0022] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also 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.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as...

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Abstract

The invention discloses a multichannel microfluidic fluorescence detection device and method; the device comprises a light source, a microfluidic chip and a photoelectric thin-film transistor; the photoelectric thin-film transistor has multiple detection arrays, each detection array has multiple double-gate thin-film transistors each composed of a top gate, a drain, a bottom gate and a source, and the double-gate thin-film transistors in each detection array are arrayed. The multichannel microfluidic fluorescence detection device and method employ the double-gate thin-film transistors which are integrated to the multichannel microfluidic chip, and the multichannel microfluidic fluorescence acquisition system integrated and miniaturized is formed to collect and detect fluorescence signals, has high light sensitivity and photoconductive gain, is very suitable for fluorescence detection, is low in production difficulty and cost, low in power consumption and high in integrity, and is applicable to large-area manufacture to arrive at arraying.

Description

technical field [0001] The invention relates to the technical field of microfluidic fluorescence detection, in particular to a multi-channel microfluidic fluorescence detection device and method. Background technique [0002] At present, microfluidic chips are widely used in the fields of biological research, drug detection, food safety and chemical analysis. On the microfluidic chip platform, induced fluorescence detection has become one of the mainstream detection methods with its mature technology and high sensitivity. Traditional photoelectric sensors widely used in microfluidic fluorescence detection mainly include photomultiplier tubes, avalanche diodes, and photodiodes. There are certain limitations in aspects such as multi-channel detection adaptability. Therefore, the development of microfluidic fluorescence detection technology urgently needs a method with low preparation difficulty and cost, low power consumption, high photoelectric gain, easy integration with m...

Claims

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Application Information

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IPC IPC(8): G01N33/53G01N21/64
CPCG01N21/6428G01N33/5302G01N2021/6439
Inventor 王凯陈艺文何汉滔
Owner SYSU CMU SHUNDE INT JOINT RES INST
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