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Visual array chip for gas analysis and application thereof

An array chip and gas analysis technology, which is applied in the field of gas-sensitive visual array chips, can solve the problems of high detection limit of array chips, few types of identifiable substances, short storage life, etc. The effect of improved detection accuracy

Active Publication Date: 2016-12-07
CHONGQING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the above-mentioned deficiencies existing in the prior art, the technical problem to be solved by the present invention is: to solve the deficiencies of the existing array chips, such as high detection limit, low sensitivity, few types of identifiable substances, great influence by external environmental humidity, short storage life, etc. To provide a visual array chip for gas analysis with low detection limit, strong anti-humidity interference ability, long storage time and fast response and its application

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  • Visual array chip for gas analysis and application thereof
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Embodiment Construction

[0014] The present invention will be described in further detail below in conjunction with specific embodiments and accompanying drawings. This implementation case is carried out on the premise of the technology of the present invention, and the detailed implementation and specific operation process are given to illustrate the inventiveness of the present invention, but the protection scope of the present invention is not limited to the following examples.

[0015] In the following examples, a hydrophobic film is used as the substrate, and the size of the substrate is 26mm×24mm×0.11mm. The dot matrix arrangement of each dye is: M×N, M is the number of rows, M≥1; N is a column number, N≥1, specifically in this embodiment the manner of M=N=6 is adopted.

[0016] A visualization array chip for gas analysis, such as figure 1As shown, including the base material, No. 1 to No. 36 functional modules are arranged on the substrate according to the array arrangement; among them, the No...

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Abstract

The invention provides a visual array chip for gas analysis and application thereof. According to the visual array chip, functional modules from No.1 to No.36 are arranged on a substrate according to an array distribution mode, and the functional modules are prepared by coating the substrate with porphyrin and dye modified by gold nano-particles, porous organic silicate, plasticizer and materials having specific response to aldehyde volatile organic compounds. The visual array chip can be used for detecting and analyzing at least one volatile gas in benzene, methylbenzene, p-xylene, trimethylbenzene, trichlorofluoromethane, propyl aldehyde, hexanal, acetaldehyde, heptanal, acetone, 2-pentanone, tetrahydrofuran, heptane, decane, undecane, 1-hexene, isoprene, styrene, acetic acid, propionic acid, ethylenediamine, tetramethylethylenediamine, acetonitrile, propyl alcohol, thiol and butyl acetate compounds. The chip can be used for detecting multiple gas ingredients, has high sensitivity for detected objects with low detection limit, and can reach the ppbv detection level.

Description

technical field [0001] The invention belongs to the technical field of gas-sensitive visualized array chips, and in particular relates to a visualized array chip for gas analysis and its application. Background technique [0002] As a technology that is obviously different from traditional gas detection methods, array-based gas detection technology has attracted extensive attention from scholars. Among them, the array chip as the core component is particularly important in its composition and function. Previous sensing arrays mostly rely on weak intermolecular interactions between sensors and analytes, such as van der Waals forces and physical adsorption, which can be regarded as relative hydrophobicity between molecules in nature. Therefore, the intermolecular interactions of such array chips are relatively simple, and the detectable chemical properties are very limited, which not only limits the sensitivity of detecting low-concentration compounds, but also limits their s...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/02
CPCG01N30/02
Inventor 侯长军钟先华霍丹群法焕宝罗小刚杨眉
Owner CHONGQING UNIV
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