Vitreous System Ag2O –ZnO–B2O3 Action Against Gram Negative Bacteria
2023
Razvan Stefan | Marina Spinu | Silvana Popescu | Georgeta Taralunga
In this work the ability of the system xAg2O (100-x) [45ZnO55B2O3] oxide glasses to inhibit the growth of bacteria Eschierchia coli, Pseudomonas and Salmonella was investigated. Using the diffusimetric method there were measured the diameters of inhibition, in order to classify the sensitivity of gram negative bacteria to oxide compounds containing silver, for their use as filters. Vitreous samples were processed as powders with grain between 45 and 75 m and less than 45 m for a large of contact area with the microorgansms and to make possible the study of biological effect of grain addiction. Action of the investigated oxide system against the gram negative bacteria is strictly related to the presence of silver oxide in glass composition.
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