The effects of different intensities, frequencies and exposure times of extremely low-frequency electromagnetic fields on the growth of Staphylococcus aureus and Escherichia coli O157: H7

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dc.contributor.authorBayir, Ece
dc.contributor.authorBilgi, Eyup
dc.contributor.authorSendemir-Urkmez, Aylin
dc.contributor.authorHames-Kocabas, E. Esin
dc.date.accessioned2019-10-27T22:27:57Z
dc.date.available2019-10-27T22:27:57Z
dc.date.issued2015
dc.departmentEge Üniversitesien_US
dc.description.abstractThe impact of different types of extremely low-frequency electromagnetic fields (ELF-EMF) on the growth of Staphylococcus aureus and Escherichia coli O157:H7 was investigated. The cultures of bacteria in broth media were exposed to sinusoidal homogenous ELF-EMF with 2 and 4mT magnetic intensities. Each intensity for each bacteria was combined with three different frequencies (20, 40 and 50 Hz), and four different exposure times (1, 2, 4 and 6 h). A cell suspension of each experiment was diluted for the appropriate range and inoculated to Mueller-Hinton Agar (MHA) plates after exposure to ELF-EMF. The number of colony forming units (CFU) of both strains was obtained after incubation at 37 degrees C for 24 h. Data were statistically evaluated by one-way analysis of variance (ANOVA), statistical significance was described at p<0.05 and data were compared with their non-exposed controls. Magnetic intensity, frequency and exposure time of ELF-EMFs changed the characteristic responses for both microorganisms. Samples exposed to ELF-EMF showed a statistically significant decrease compared to their controls in colony forming capability, especially at long exposure times. An exposure to 4 mT-20 Hz ELF-EMF of 6 h produced maximum inhibition of CFU compared to their controls for both microorganisms (95.2% for S. aureus and 85% for E. coli).en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [2209]en_US
dc.description.sponsorshipThis work supported by The Scientific and Technological Research Council of Turkey (TUBITAK) within the funding programme 2209. The authors declare no conflict of interests. The authors alone are responsible for the content and writing of the article.en_US
dc.identifier.doi10.3109/15368378.2013.853671en_US
dc.identifier.endpage18en_US
dc.identifier.issn1536-8378
dc.identifier.issn1536-8386
dc.identifier.issue1en_US
dc.identifier.pmid24279632en_US
dc.identifier.startpage14en_US
dc.identifier.urihttps://doi.org/10.3109/15368378.2013.853671
dc.identifier.urihttps://hdl.handle.net/11454/50807
dc.identifier.volume34en_US
dc.identifier.wosWOS:000349768200002en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherTaylor & Francis Incen_US
dc.relation.ispartofElectromagnetic Biology and Medicineen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectBacteriaen_US
dc.subjectEscherichia colien_US
dc.subjectextremely low-frequency electromagnetic fielden_US
dc.subjectStaphylococcus aureusen_US
dc.titleThe effects of different intensities, frequencies and exposure times of extremely low-frequency electromagnetic fields on the growth of Staphylococcus aureus and Escherichia coli O157: H7en_US
dc.typeArticleen_US

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