Yang large research and development of new sensors
How long does it take to detect the hidden dangers in the body through the blood? Recently, the reporter learned from the School of Chemistry and Chemical Engineering, Yangzhou University, teachers and students are developing a new type of testing methods, the cost is lower, efficiency has greatly increased. Such as the detection of human myeloma, from the sample collection to injection, testing and medical analysis of the entire process takes about 20 minutes. At this stage, the results have been able to detect markers of myeloma, hepatitis and other diseases, can also be used to detect clenbuterol and pesticide residues.
Development of new sensors
Appearance like a mobile power
Now commonly used in major hospitals in China body fluid testing methods, serum protein electrophoresis, immunoelectrophoresis electrophoresis, etc., but these detection methods have low sensitivity, expensive instruments, test results fuzzy, long detection cycles and high detection costs and other defects. Zhang Wenting, a member of the project, told reporters that the body fluid testing methods they studied are electrochemical biosensors that have the advantages of low cost, low energy consumption, fast response, and easy miniaturization, as well as quantitative detection, which is very suitable for POCT , Referring to the patient's side of the clinical testing and bedside testing) areas. China is still in the developing mid-term in this area. "
Yesterday, the reporter saw this group of newly developed impedance electrochemical biosensor, which is composed of electrochemical chip carrier, polymer microporous membrane, detector, from the appearance point of view, more like a simple mobile power supply, very light.
"One end of the sensor connected to the test chip, the other end connected to the computer, the workstation will automatically send data to the phone or computer." Project team members Shao Chuanhua told reporters that the chips used for testing, but also their invention, this chip is like A thin film, through the detection of the specific identification of electrical signals, and electrochemical signal amplification technology, so as to achieve the purpose of detection.
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