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Low Intensity Electromagnetic Irradiation with 70.6 and 73 GHz Frequencies Affects Escherichia coli Growth and Changes Water Properties

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Abstract

The low intensity electromagnetic irradiation (EMI) of the 70.6 and 73 GHz frequency is resonant for Escherichia coli but not for water. In this study, E. coli irradiation with this EMI during 1 h directly and in bi-distilled water or in the assay buffer with those frequencies resulted with noticeable changes in bacterial growth parameters. Furthermore, after EMI, 2 h rest of bacteria renewed their growth in 1.2-fold, but repeated EMI—had no significant action. Moreover, water absorbance, pH, and electric conductance were changed markedly after such irradiation. The results point out that EMI of the 70.6 and 73 GHz frequency can interact with bacteria affecting growth and in the same time with the surrounding medium (water) as well.

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Acknowledgments

This study was done within the framework supported by Ministry of Education and Science of the Republic of Armenia (Grant # 1012-2008).

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Authors and Affiliations

  1. Department of Biophysics of Biology Faculty, Yerevan State University, 0025, Yerevan, Armenia

    Heghine Torgomyan & Armen Trchounian

  2. Department of High Frequency Radiophysics and Telecommunication of the Faculty of Radiophysics, Yerevan State University, 0025, Yerevan, Armenia

    Vitaly Kalantaryan

Authors
  1. Heghine Torgomyan
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  2. Vitaly Kalantaryan
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  3. Armen Trchounian
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Correspondence to Armen Trchounian.

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Torgomyan, H., Kalantaryan, V. & Trchounian, A. Low Intensity Electromagnetic Irradiation with 70.6 and 73 GHz Frequencies Affects Escherichia coli Growth and Changes Water Properties. Cell Biochem Biophys 60, 275–281 (2011). https://doi.org/10.1007/s12013-010-9150-8

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