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BibTeX
Long-term electromagnetic exposure of developing neuronal networks: A flexible experimental setup
Bioelectromagnetics, 2016-05, Vol.37 (4), p.264-278
Oster, Stefan
Daus, Andreas W.
Erbes, Christian
Goldhammer, Michael
Bochtler, Ulrich
Thielemann, Christiane
2016
Details
Autor(en) / Beteiligte
Oster, Stefan
Daus, Andreas W.
Erbes, Christian
Goldhammer, Michael
Bochtler, Ulrich
Thielemann, Christiane
Titel
Long-term electromagnetic exposure of developing neuronal networks: A flexible experimental setup
Ist Teil von
Bioelectromagnetics, 2016-05, Vol.37 (4), p.264-278
Ort / Verlag
United States: Blackwell Publishing Ltd
Erscheinungsjahr
2016
Link zum Volltext
Quelle
Wiley Online Library Journals Frontfile Complete
Beschreibungen/Notizen
Neuronal networks in vitro are considered one of the most promising targets of research to assess potential electromagnetic field induced effects on neuronal functionality. A few exposure studies revealed there is currently no evidence of any adverse health effects caused by weak electromagnetic fields. Nevertheless, some published results are inconsistent. Particularly, doubts have been raised regarding possible athermal biological effects in the young brain during neuronal development. Therefore, we developed and characterized a flexible experimental setup based on a transverse electromagnetic waveguide, allowing controlled, reproducible exposure of developing neuronal networks in vitro. Measurement of S‐parameters confirmed very good performance of the Stripline in the band of 800–1000 MHz. Simulations suggested a flexible positioning of cell culture dishes throughout a large exposure area, as specific absorption rate values were quite independent of their position (361.7 ± 11.4 mW/kg) at 1 W, 900 MHz. During exposure, thermal drift inside cellular medium did not exceed 0.1 K. Embryonic rat cortical neurons were cultivated on microelectrode array chips to non‐invasively assess electrophysiological properties of electrogenic networks. Measurements were taken for several weeks, which attest to the experimental setup being a reliable system for long‐term studies on developing neuronal tissue. Bioelectromagnetics. 37:264–278, 2016. © 2016 Wiley Periodicals, Inc.
Sprache
Englisch
Identifikatoren
ISSN: 0197-8462
eISSN: 1521-186X
DOI: 10.1002/bem.21974
Titel-ID: cdi_crossref_primary_10_1002_bem_21974
Format
–
Schlagworte
Axons - radiation effects
,
Cell Communication - radiation effects
,
Electromagnetic Fields - adverse effects
,
electrophysiology
,
microelectrode array
,
mobile communication frequencies
,
Models, Biological
,
Nerve Net - cytology
,
Nerve Net - growth & development
,
Nerve Net - radiation effects
,
Neurons - cytology
,
Neurons - radiation effects
,
Radiation Exposure - adverse effects
,
Radiometry
,
RF exposure setup
,
SAR dosimetry
,
Synapses - radiation effects
,
Time Factors
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