Bacterium Killing with Plasma (IMAGE) Microbiology Society Caption Bacterium killing with plasma: The blood-agar dishes seeded with haemolytic Staphylococcus aureus are shown, plasma treated (left) and untreated control (right). Credit Shaginyan, Yurov, Ermolaeva Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.