Bacteria are the main cause of dangerous diseases, so the hospitals it is extremely important to keep everything clean. Accumulate on the surface of medical instruments, disease-causing microbes can be the source of the deadly infections that can attack vulnerable patients. As you know, prevention is much better than cure, so researchers from Aston University have developed a new material that is produced by the technology of the middle ages and effectively destroys pathogens.
The new material is a bioactive glass composed of different metals with a constant velocity, emit ions. Depending on the type of metal, the material can have different effects on organisms, for instance, help strengthen bones. Previously it was revealed that the bioactive glass can be successfully used when filling teeth.
Material created by scientists, consists of glass mixed with cobalt — this mixture is calcined in a furnace at temperatures over 1000 degrees Celsius. The same technology was used in the middle ages in the manufacture of stained glass, which usually used to decorate temples.
To see how well this glass cope with the destruction of bacteria, the researchers placed it in a Petri dish filled with bacteria. It turned out that the more cobalt is contained in the material, the better he can cope with their destruction. For example, E. coli was completely destroyed within six hours and causing blood poisoning and pneumonia, Staphylococcus aureus was killed within 24 hours.
It was found that the microbes are killed upon contact with metal ions — their walls are simply destroyed. Moreover, some bacteria are killed even without direct contact with the substances. Scientists believe that the glass is able to destroy even bacteria that have developed resistance to antibiotics. They can cover various tools that can prevent infection directly during surgical operations.
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