Disease-causing bacteria are a huge problem in hospitals. Colonies of bacteria, accumulating on medical instruments, are capable of provoking deadly infections in patients who are already weakened by diseases.
Researchers at Aston University (Birmingham, UK) have developed a new antimicrobial material using a technology that was used in the manufacture of stained glass windows in the Middle Ages. The material is glass, which contains metals that release ions at a constant rate. It was found that various bioactive glass mixtures not only kill disease-causing bacteria, but also promote bone regeneration in patients.
Scientists have developed glass with an admixture of cobalt, which is heat treated in an oven at a temperature of more than 1000 ° C according to medieval technology. After that, the glass quickly cools and, which is very important, does not crystallize. The final stage is grinding the glass into a fine powder.
The bioactive glass obtained from the powder completely destroys the E. coli population within six hours and the pathogenic fungus Candida alibicans within 24 hours.
According to scientists, the unique development can be used to prevent infections directly in operating rooms or as cartridges built into catheters to prevent the spread of bacteria in the urinary tract.