Electromagnetic field of extremely low frequency has an impact on selected chemical components of the honeybee

PAPER manual Polish journal of veterinary sciences 2020 Animal study Effect: harm Evidence: Low

Read original paper → DOI: 10.24425/pjvs.2020.134703 PMID: 33480489 Evidence Lab

Abstract

Electromagnetic field of extremely low frequency has an impact on selected chemical components of the honeybee A Koziorowska, J Depciuch, J Białek, I Woś, K Kozioł, S Sadło, B Piechowicz. Electromagnetic field of extremely low frequency has an impact on selected chemical components of the honeybee. Pol J Vet Sci. 2020 Dec;23(4):537-544. doi: 10.24425/pjvs.2020.134703. Abstract The electromagnetic field (EMF) is an environmental factor affecting living organisms. The aim of this study was to demonstrate the effect of an extremely low frequency electromagnetic field (ELF-EMF) on selected chemical components of the honeybee (Apis mellifera L.) using Fourier Transform Infrared (FTIR) spectroscopy. The FTIR method provides information on the chemical structure of compounds through identification and analysis of functional groups. The honeybees were treated with EMF at a frequency of 50 Hz and magnetic induction of 1.6 mT for 2, 6, 12, 24 and 48 hours. Analysis of FTIR spectra showed that EMF exposure longer than 2 hours induced changes in the structure of chemical compounds, especially in the IR region corresponding to DNA, RNA, phospholipids and protein vibrations, compared to control samples (bees not EMF treated). The results confirm the effect of EMF on bees depending on the duration of exposure. pubmed.ncbi.nlm.nih.gov

AI evidence extraction

At a glance

Study type

Animal study

Effect direction

harm

Population

Honeybee (Apis mellifera L.)

Sample size

—

Exposure

ELF · 2, 6, 12, 24 and 48 hours

Evidence strength

Low

Confidence: 78% · Peer-reviewed: yes

Main findings

Honeybees exposed to a 50 Hz EMF with magnetic induction 1.6 mT showed FTIR spectral changes compared with controls when exposure duration was longer than 2 hours, particularly in regions corresponding to DNA, RNA, phospholipids, and protein vibrations. The effect depended on exposure duration.

Outcomes measured

FTIR spectroscopy changes in chemical components/structure (functional groups)
Spectral regions corresponding to DNA, RNA, phospholipids, and proteins

Limitations

Sample size not reported in abstract
Only FTIR spectral/chemical-structure indicators reported; no organism-level health or behavioral outcomes described
Exposure conditions limited to 50 Hz and 1.6 mT; generalizability unclear

Suggested hubs

elffields (0.9)
Study examines extremely low frequency (50 Hz) EMF exposure effects.

View raw extracted JSON

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    "study_type": "animal",
    "exposure": {
        "band": "ELF",
        "source": null,
        "frequency_mhz": null,
        "sar_wkg": null,
        "duration": "2, 6, 12, 24 and 48 hours"
    },
    "population": "Honeybee (Apis mellifera L.)",
    "sample_size": null,
    "outcomes": [
        "FTIR spectroscopy changes in chemical components/structure (functional groups)",
        "Spectral regions corresponding to DNA, RNA, phospholipids, and proteins"
    ],
    "main_findings": "Honeybees exposed to a 50 Hz EMF with magnetic induction 1.6 mT showed FTIR spectral changes compared with controls when exposure duration was longer than 2 hours, particularly in regions corresponding to DNA, RNA, phospholipids, and protein vibrations. The effect depended on exposure duration.",
    "effect_direction": "harm",
    "limitations": [
        "Sample size not reported in abstract",
        "Only FTIR spectral/chemical-structure indicators reported; no organism-level health or behavioral outcomes described",
        "Exposure conditions limited to 50 Hz and 1.6 mT; generalizability unclear"
    ],
    "evidence_strength": "low",
    "confidence": 0.7800000000000000266453525910037569701671600341796875,
    "peer_reviewed_likely": "yes",
    "keywords": [
        "extremely low frequency",
        "ELF-EMF",
        "50 Hz",
        "1.6 mT",
        "honeybee",
        "Apis mellifera",
        "FTIR",
        "DNA",
        "RNA",
        "phospholipids",
        "proteins",
        "magnetic induction",
        "exposure duration"
    ],
    "suggested_hubs": [
        {
            "slug": "elffields",
            "weight": 0.90000000000000002220446049250313080847263336181640625,
            "reason": "Study examines extremely low frequency (50 Hz) EMF exposure effects."
        }
    ]
}

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AI-extracted fields are generated from the abstract/metadata and may be incomplete or incorrect. This content is for informational purposes only and is not medical advice.

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