Cited by 58Electromagnetic Fields and Biological EffectsCarcinogens and Genotoxicity AssessmentEffects of Radiation Exposure

Terahertz Electromagnetic Fields (0.106 THz) Do Not Induce Manifest Genomic Damage In Vitro

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Hintzsche, Henning, Jastrow, Christian, Kleine-Ostmann, Thomas, Kärst, Uwe, Schrader, Thorsten, Stopper, Helga·2012·PLoS ONE

Abstract

Terahertz electromagnetic fields are non-ionizing electromagnetic fields in the frequency range from 0.1 to 10 THz. Potential applications of these electromagnetic fields include the whole body scanners, which currently apply millimeter waves just below the terahertz range, but future scanners will use higher frequencies in the terahertz range. These and other applications will bring along human exposure to these fields. Up to now, only a limited number of investigations on biological effects of terahertz electromagnetic fields have been performed. Therefore, research is strongly needed to enable reliable risk assessment.Cells were exposed for 2 h, 8 h, and 24 h with different power intensities ranging from 0.04 mW/cm(2) to 2 mW/cm(2), representing levels below, at, and above current safety limits. Genomic damage on the chromosomal level was measured as micronucleus formation. DNA strand breaks and alkali-labile sites were quantified with the comet assay. No DNA strand breaks or alkali-labile sites were observed as a consequence of exposure to terahertz electromagnetic fields in the comet assay. The fields did not cause chromosomal damage in the form of micronucleus induction.

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Authors
Hintzsche, H., Jastrow, C., Kleine-Ostmann, T., Kärst, U., Schrader, T., & Stopper, H.
Affiliations
  • University of Würzburg (DE)
  • Physikalisch-Technische Bundesanstalt (DE)
  • Helmholtz Centre for Infection Research (DE)
Corresponding author
Stopper, Helga
Venue
PLoS ONE
Published
2012-09-27
Volume
7
Issue
9
Pages
e46397
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2151002594
Cited by
57
References
38
Citations by year
2026: 3 · 2025: 2 · 2024: 6 · 2023: 6 · 2022: 2 · 2021: 4 · 2020: 7 · 2019: 4 · 2018: 6 · 2017: 3 · 2016: 5 · 2015: 2 · 2014: 4 · 2013: 3
FWCI
1.32
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HZI (Helmholtz Centre for Infection Research) (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • HZI (Helmholtz Centre for Infection Research) (submittedVersion)
  • Online Publication Service of Würzburg University (Würzburg University) (submittedVersion, cc-by)
Funders
  • Deutsche Forschungsgemeinschaft
  • Bundesamt für Strahlenschutz
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Electromagnetic Fields and Biological Effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Carcinogens and Genotoxicity Assessment
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Effects of Radiation Exposure
Keywords
non-ionizing radiation, genomic damage, DNA strand breaks, alkali-labile sites, micronucleus formation, chromosomal damage, radiation risk assessment, exposure limits
MeSH terms
Cell Line, Electromagnetic Fields, Fibroblasts, Humans, Vinblastine, Micronucleus Tests, Keratinocytes, Mitomycin, Comet Assay, Micronuclei, Chromosome-Defective, DNA Breaks, Terahertz Radiation

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