[ Instrument Network Instrument R & D ] In the evening of February 22, Yunnan University released news that the university's scientific research team developed an electrochemical biosensor to detect the new crown pneumonia virus, and established a sensitive, fast and convenient detection method for the current Detection provides new paths.
The picture shows the mobile phone can read the data quickly, conveniently and intuitively. (Video screenshot)
Neocoronary pneumonia is an acute infectious pneumonia, the pathogen of which is a new type of coronavirus 2019 (COVID-19) first discovered in humans. COVID-19 virions consist of an envelope structure composed of several proteins, as well as an internal positive-stranded single-stranded RNA.
Detection of positive COVID-19 nucleic acid is one of the important etiological evidence of confirmed cases. The current standard detection method recommended by the National Health and Health Commission is to detect viral RNA based on real-time quantitative PCR technology. This method requires specific conditions such as corresponding real-time quantitative PCR instrument and professional technicians to achieve, so the development is simpler and easier. An easy-to-promote detection method is imminent.
Electrochemical biosensor is an interdisciplinary science that uses a biological component with molecular recognition ability as a sensitive element and organically combines it with a physical transducer. Among many biosensors, electrochemical biosensors have become research hotspots in the field of biodiagnosis due to their simple preparation, low cost, simple operation, good sensitivity and accuracy.
Under the leadership of Yunnan University, Academician Zhang Yaping, Honorary President of Yunnan University, and Deputy Dean of the Chinese Academy of Sciences, formed Professor Li Canpeng from the School of Chemical Engineering of Yunnan University, Researcher Zhao Hui, PhD student Liu Feng, and Master Student Xie Wei is an interdisciplinary research team. The team developed an electrochemical sensor to detect the COVID-19 virus in just 2 weeks, and established its sensitive, fast and convenient detection method. In cooperation with the Second People's Hospital of Yunnan Province, the research team carried out the detection of COVID-19 virus RNA in clinical samples such as serum and throat swabs. Compared with the standard detection method used by the hospital, the two methods have a high detection rate. . On this basis, the research team will further optimize the detection sensitivity and provide new detection methods for the prevention and control of new coronary pneumonia.
This new electrochemical sensor detection method is simple and easy to operate, the detection cost is low, the detection device is cheap and easy to carry, the data reading is fast and intuitive, and it is easy to popularize and apply. It is understood that the research team is currently cooperating with the University of Science and Technology of China to develop the next-generation COVID-19 virus detection technology with stronger specificity and higher sensitivity in order to achieve a comprehensive improvement in detection capabilities.

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August 31, 2022