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Hebei Youjie Medical Instruments CO., Ltd.

Time:07/09/2015   Source:Youjie

Bandage wounds and the external environment is blocking an important barrier, they can prevent the bacteria enter the body and cause infection. However, for those bacteria have entered the wound and how to do it? Australian researchers at Swinburne University of Technology has developed a bacteria from the wound can "suck out" the bandage, remove the bandage can be removed while the bacteria. At present, this technology has not yet carried out human testing, research only on skin models. Bacteria involved include Escherichia coli and Staphylococcus aureus, both bacterial infection can cause chronic wounds.
 
Microscopic mesh bandage made of a polymer composition, each fiber is very fine, only 1/100 of a human hair. Use a method called electrospinning (electrospinning), the material forming the fiber from the nozzle is extruded charged.
 
At the start of the test with S. aureus, the researchers found that the bacteria quickly attached to the fibers on the bandage. They then observed the bacteria capable of binding to different roughness fiber, and if the fibers finer than the bacteria themselves, their degree of adhesion is reduced. Later, the researchers wrapped the fibers of different substances and found that E. coli quickly adsorbed on the fiber wrapped acrylamide, but not attached to the acrylic fiber wrapped.
 
Ultimately, the researchers tested the model on the skin bandages, they speculate on real skin bandage will achieve the desired functionality.
 
This bandage technology for everyday minor injuries seem a bit redundant, but for the patient's immune system is under a very good preventive measures, it is possible to reduce the chance of infection in these patients, such as diabetes, AIDS or cancer patients and severe burns, and the patient is located in remote areas.
 
Martina Abrigo one of the research authors, said: "For most people, the wound soon healed, but some people have difficulties repair process, and therefore a longer healing time, which makes them very vulnerable to infection. We hope this study can be used to develop more advanced anti-infective bandage. The doctor may be able to wound one nanometer posted net bandage, when you can tear sterilization. "
 
This bandage technique there may be other aspects of the application, such as the production of bacterial filters, protective clothing or tissue growth scaffold under sterile conditions. Next we need to test this in humans bandage wounds.
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