Abstract
The survival of Escherichia coli bacteria and mouse glioma cells were studied under different temperatures using direct heating in water, ultrasound, and magnetic fluid hyperthermia. The survival of these microorganisms depended on whether the heating mode was continuous or discontinuous, surviving more in the former than in the discontinuous heating mode. Whereas Escherichia coli bacteria did not survive at temperatures ≥50∘C, the mouse glioma cells did not survive at temperatures ≥48∘C. The survival of both these microorganisms was independent of the presence or absence of the magnetic nanoparticles of magnetite, suggesting that these, having mean particle sizes of 9.5, 8.5 and 5, did not show any apparent cytotoxicity effect. Present results also showed that the inductive heating system which used a radiofrequency of 13.56 MHz, providing a maximum magnetic field strength of 160 A/m, the electric rather than magnetic heating predominated.
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This article is part of the Topical Collection on Proceedings of the 15th Latin American Conference on the Applications of the Mössbauer Effect (LACAME 2016), 13-18 November 2016, Panama City, Panama
Edited by Juan A. Jaén
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Cabral–Prieto, A., López-Callejas, R., Rodríguez-Méndez, B.G. et al. Hyperthermia studies using inductive and ultrasound methods on E. coli bacteria and mouse glioma cells. Hyperfine Interact 238, 44 (2017). https://doi.org/10.1007/s10751-017-1417-7
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DOI: https://doi.org/10.1007/s10751-017-1417-7