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| Content Provider | Springer Nature Link |
|---|---|
| Author | Martirosyan, Varsik Moosavi, Ehsallah Ayrapetyan, Sinerik |
| Copyright Year | 2010 |
| Abstract | The supercritical concentration of CO$_{2}$ (SCCO$_{2}$) and a high concentration (3.0%) of molecules of hydrogen peroxide (H$_{2}$O$_{2}$) are currently being used as antiseptic and antibacterial agents. The fact that low concentrations of CO$_{2}$ have an activation effect on functional activity of microbes allows us to predict that CO$_{2}$ could elevate the toxic effect of H$_{2}$O$_{2}$ on cells. To check this hypothesis the dependency of the toxic effect of H$_{2}$O$_{2}$ on wild type of Escherichia coli K-12 on soluble concentration of CO$_{2}$ in culture media was studied. The obtained data show that culture media enriched with CO$_{2}$ leads to the increase of toxic effect of H$_{2}$O$_{2}$ on microbes at both cases when pH is constant and when it changes. So CO$_{2}$ in non-supercritical concentration could elevate the toxic effect of H$_{2}$O$_{2}$ on microbes by the activation of the metabolic processes in microbes. During the experiments we used classical microbiological methods (indirect viable cell counts or counting colony forming units (CFUs)), as well as the method of measuring hydrogen peroxide content in aqueous solution by means of enhanced chemiluminescence method in a peroxidase-luminol-p-iodophenol system. This discovery is concerning to use CO$_{2}$/H$_{2}$O$_{2}$ combination system, which could have implication in the inhibition of growth of microbes in water and the microbiological monitoring of water could provide valuable information for managing the health of exhibition of aqua ecosystems. |
| Starting Page | 1091 |
| Ending Page | 1098 |
| Page Count | 8 |
| File Format | |
| ISSN | 09593993 |
| Journal | World Journal of Microbiology and Biotechnology |
| Volume Number | 27 |
| Issue Number | 5 |
| e-ISSN | 15730972 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2010-09-10 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Water purification CO$_{2}$ H$_{2}$O$_{2}$ Escherichia coli K-12 Microbiology Applied Microbiology Environmental Engineering/Biotechnology Biochemistry Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Medicine Applied Microbiology and Biotechnology Biotechnology |
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