Release date: 2016-11-15 Lomonosov Moscow State University associate researcher Bessonov and others reported in a new issue of Materials Science and Engineering that certain resistant pathogens would attach to the surface of medical catheters and orthopedic implants. It also encapsulates itself by secreting polysaccharides and proteins to form bacterial biofilms. If these devices are not thoroughly disinfected, these bacteria may cause complications and secondary infections in patients during the recovery period. Bessonov said that the two disinfectants commonly used in hospitals, Miramis and chlorhexidine, can both sterilize and make bacteria difficult to adhere to biofilms, but these two preparations are not suitable for production. The bactericidal coating of the patient's body fluid contact. After many experiments, Russian researchers made a polymer based on polyethyleneimine, which can be sterilized like Milamis stop and chlorhexidine, and it is not soluble in body fluids. In the comparative experiment, the researchers transplanted Pseudomonas aeruginosa and Staphylococcus aureus, which can cause infection and inflammation, and were highly resistant to the new bactericidal polymer coating and common medical plastic surface. Tests conducted over a period of time have shown that the pathogen residues on the surface of the new polymer coating are only a few thousand to several millionths of the number of bacteria on the surface of common medical plastics. Bessonov explained that the polymer is toxic to pathogens but not harmful to the human body, and that the polymer does not absorb water, making it difficult for bacteria to settle on their surface. Russian researchers believe that after further improvement of the relevant manufacturing process, it is expected that the bactericidal polymer will be used to make the inner and outer surface coatings of plastic implants, medical instruments and operating tables. In addition, try to make a purifying filter to remove cyanobacteria and other algae that are toxic to humans and animals in the water. Source: Xinhuanet Pain Relief Patch For Neck Shoulder,Lower Back And Leg
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Russia's new polymer coating significantly enhances the antimicrobial capacity of medical devices
Some contaminated bacteria on the inside surface of medical equipment that is difficult to clean can expose patients to the risk of secondary infection. In order to deal with this problem more effectively, Russian researchers have produced a bactericidal polymer coating for medical devices with a surface residue of less than 1% of the surface of ordinary plastics.