研究のタイプ: 医学/生物学の研究 (experimental study)

[高周波電磁界のマウスの行動への無影響] med./bio.

Behavioral in-effectiveness of high frequency electromagnetic field in mice.

掲載誌: Physiol Behav 2015; 140: 32-37

この研究は、高周波電磁界(HF-EMF:2.45GHz、1日60分、ばく露期間7 、30、60、90、120日)ばく露によるマウスの行動の変化を調べた。HF-EMFのばく露にはブルートゥース装置(電力密度ピーク値100mW)を用いた。ばく露後の行動テストでは、不安(高架十字迷路試験、オープンフィールド試験、社会的相互関係試験)、強迫性障害(ビー玉埋め隠し行動)、抑うつ強制水泳試験、尾懸垂試験)を調べた。結果として、マウスに不安、強迫性障害、抑うつ行動は見られなかった,と報告している。

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研究目的(著者による)

The effects of an whole body exposure of mice to a 2.45 GHz electromagnetic field on anxiety, obsessive and depression behaviors should be investigated.

詳細情報

Mice were assigned to one the following groups (n=8 each): 1) exposure and 2) sham exposure for anxiety behavior tests, 3) exposure and 4) sham exposure for obsessive compulsive disorders tests, 5) exposure and 6) sham exposure for depression-like behavior tests. All tests were conducted after 7, 30, 60, 90 and 120 days of exposure.

影響評価項目

ばく露

ばく露 パラメータ
ばく露1: 2.45 GHz
ばく露時間: repeated daily exposure for 1 h for 120 days
  • 電力: 100 mW peak (in file transfer mode)
  • 電力: 10 mW minimum
  • 電力: 100 mW maximum

ばく露1

主たる特性
周波数 2.45 GHz
タイプ
  • electromagnetic field
ばく露時間 repeated daily exposure for 1 h for 120 days
ばく露装置
ばく露の発生源/構造
  • セルラ-電話
チャンバの詳細 made of non-magnetic materials like stainless steel framework, aluminium sheets and/or foils and opaque polypropylene cages; ventilation was provided over a aluminium sieve window, which was impermeable for areal electromagnetic fields; a small air circulation fan shielded by aluminium filter layers and shielded LED lights were installed
ばく露装置の詳細 a pair of commercially available mobile phones without SIM cards, having inbuilt class-I Bluetooth devices operating only in file transfer mode was fixed inside exposure chamber; temperature was 25 ± 1°C during exposure
Sham exposure A sham exposure was conducted.
パラメータ
測定量 種別 Method Mass 備考
電力 100 mW peak - - in file transfer mode
電力 10 mW minimum 測定値 - -
電力 100 mW maximum 測定値 - -

ばく露を受けた生物:

方法 影響評価項目/測定パラメータ/方法

研究対象とした生物試料:
調査の時期:
  • ばく露中
  • ばく露後

研究の主なアウトカム(著者による)

No significant differences were found between the exposure groups (1, 3, 5) and their corresponding sham exposure groups (2, 4, 6).
The authors conclude that the present study gives no indications of an effect of an exposure of mice to a 2.45 GHz electromagnetic field on anxiety, obsessive compulsive disorders and depression-like behavior.

研究の種別:

研究助成

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