Carbon dioxide sensor for monitoring microbial growth and preparation method thereof

A carbon dioxide, sensor technology, applied in instruments, scientific instruments, measuring devices, etc., can solve the problems of low utilization, limited use, large volume, etc.
CN112730534APending Publication Date: 2021-04-30TAIYUAN UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
TAIYUAN UNIV OF TECH
Publication Date
2021-04-30

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Abstract

The invention discloses a carbon dioxide sensor for monitoring microbial growth and a preparation method thereof, and belongs to the technical field of carbon dioxide sensors and preparation methods thereof. The technical problem to be solved is to provide an improvement of a carbon dioxide sensor hardware structure for monitoring microbial growth. According to the technical scheme, an n-type gallium nitride layer is grown on a sapphire substrate in an epitaxial mode, a Ti / Al / Pt / Au electrode is deposited on a gallium nitride epitaxial wafer through a series of electrode preparation processes, and then a BP-PEI layer is prepared through liquid phase stripping of black phosphorus and functional modification of the black phosphorus, so that the miniaturized carbon dioxide gas sensor which is high in sensitivity and can be operated in real time is obtained. The carbon dioxide sensor is stable in performance, good in carbon dioxide gas-sensitive performance, low in price, small in size and simple in detection mode, and has the advantages of being disposable, free of pollution and the like. The carbon dioxide sensor is applied to monitoring of microbial growth.
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Description

technical field

[0001] The invention discloses a carbon dioxide sensor for monitoring microbial growth and a preparation method thereof, belonging to the technical field of carbon dioxide sensors and preparation methods thereof. Background technique

[0002] During the growth process of microorganisms, they constantly exchange materials and energy with the outside world, and the growth process can be monitored through the pH of the microbial incubator, oxygen consumption rate, and carbon dioxide content. The biological incubator is a long-term sealed device. The composition and gas concentration of the medium will change relative to the initial state. Under different gas environments, the growth rate and metabolites of microorganisms will change accordingly. Today, the demand for monitoring microbial growth curves is very common. In order to monitor the growth of microorganisms, frequent detection of gas components is required. Similarly, detecting the concentration of carbo...

Claims

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