According to the report of the Physicist Organization Network on August 12, scientists from the University of Nottingham, UK, discovered a new kind of polymer material that can prevent the adhesion of bacteria and effectively reduce the infection and malfunction caused by medical equipment. The relevant research report was published in the "Nature-Biotechnology" magazine published that day.
According to statistics, the annual infection associated with medical equipment can cause the UK National Health Service System (NHS) to lose about 1 billion pounds. This is because the biofilm of bacteria can make them resistant to the body's natural protection and antibodies. Experts from the Department of Molecular Medicine said that in order to find better antibacterial materials, the researchers of the school screened thousands of different chemical materials with the help of MIT scientists, by revealing the relationship between the material structure and its characteristics. The association, and how each kind of material will react to bacteria, eventually quickly identifies new types of antibacterial materials that traditional techniques cannot achieve.
Professor Morgan Alexander of the Department of Pharmaceutics at the University of Nottingham said: "This is an important scientific breakthrough. The new material we have found can significantly reduce the attachment of pathogenic bacteria such as Pseudomonas aeruginosa, Staphylococcus aureus and E. coli." The new material can prevent bacteria from forming biofilms when bacteria first try to contact a medical device. The body's own immune system can also kill bacteria before they are generated, thus preventing infection. Compared with ordinary silver-containing catheters, researchers using new materials can increase the sterilization rate of medical devices to 96.7%. They stated that the infection caused by bacterial biofilm contact with the implant surface cannot be treated with traditional antibodies, which is a great challenge for patient care, especially the use of catheters, intravenous catheters, heart valves and Artificial joints and other medical implants for patients.
Scientists said that the attachment of bacteria and the formation of biofilms are key challenges for the good working of medical devices, and the discovery of new polymer materials can effectively improve the performance of key medical components. Although the current study is only in its infancy, the outlook is very gratifying. Next, the research team will conduct a clinical evaluation of this polymer coating and proceed with commercialization. In this way, medical equipment that does not stick to “non-stick†bacteria is no longer far away. (Reporter Zhang Hao)
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