Biosensor and preparation method of biosensor

A biosensor and CMOS sensor technology, applied in the field of biosensors, can solve the problems of time-consuming and high production costs, and achieve the effects of improving yield, reducing production costs, and mature technology

Pending Publication Date: 2021-03-05
ZHANGJIAGANG ONECHIP BIO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The magnetic bead process uses a large amount of reagents and takes a lot of time, so the production cost is high

Method used

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  • Biosensor and preparation method of biosensor
  • Biosensor and preparation method of biosensor
  • Biosensor and preparation method of biosensor

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0020] A biosensor provided by an embodiment of the present invention, figure 1 For a schematic structural diagram of a biosensor 100 provided in an embodiment of the present invention, see figure 1 , the biosensor 100 includes a CMOS sensor 130 , a reaction electrode 110 and a microwell array 120 .

[0021] The microwell array 120 includes a plurality of microporous structures 121; the microporous structures 121 are used to accommodate sample solutions;

[0022] The microporous structure 121 is located in the a...

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Abstract

The invention discloses a biosensor. The biosensor comprises a CMOS sensor, a reaction electrode and a micropore array, wherein the micropore array comprises a plurality of micropore structures; the micropore structures are located in an area where a gate laminated electrode of the CMOS sensor is located, and the micropore structures expose the gate laminated electrode of the CMOS sensor; a biological reaction probe is arranged on the gate laminated electrode of the CMOS sensor exposed out of the micropore structures; the micropore structures are used for accommodating a sample solution; and the reaction electrode is arranged around the micropore structures and is in contact with the sample solution. The biosensor is realized based on the existing CMOS structure, the yield of the biosensoris greatly improved, and the production cost is reduced.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of biosensors, in particular to a biosensor and a method for preparing the biosensor. Background technique [0002] Biosensors are developed in response to the needs of life sciences and information sciences. It is a biomaterial sensitive device that combines bioactive materials with physical and chemical transducers. Biosensor is an indispensable advanced detection and monitoring method for the development of biotechnology. It has a wide range of application backgrounds in research centers such as medical treatment, industrial control, food testing and biochips. [0003] At present, in the application technology of biosensors, fluorescent labeling is generally used to detect signals, and magnetic beads are used to absorb and extract samples. Magnetic beads are magnetic microspheres coated with specific biomolecules, which can specifically bind to corresponding target substances to...

Claims

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Application Information

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IPC IPC(8): G01N27/22G01N27/414
CPCG01N27/221G01N27/226G01N27/227G01N27/4148G01N27/4145
Inventor 张志峰
Owner ZHANGJIAGANG ONECHIP BIO TECH CO LTD
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