RF Safe

PIXE analysis of iron in rabbit cerebellum after exposure to radiofrequency electromagnetic fields.

Bratislavske lekarske listy · 2022 · Mixed · Low evidence

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MixedLow evidencePaper 5723

ICP MS measurements found no significant differences in cerebellar iron concentration across exposure groups and controls. PIXE analysis showed focal iron accumulation up to 3 mm, with the highest iron concentration observed after exposure to the real GSM sig…

Study snapshot

PublicationBratislavske lekarske listy · 2022
Study typeanimal
Reported directionMixed
Evidence ratingLow

Abstract

PURPOSE: We investigated iron accumulation and the possible mechanisms in the rabbit cerebellum after the exposure to the real GSM and generated radiofrequency electromagnetic fields (RF EMF) using inductively coupled plasma mass spectrometry (ICP MS) and particles induced X-ray emission (PIXE). MATERIALS AND METHODS: Four groups of rabbits were exposed to the real EMF, generated EMF, combination of both the real and generated signals and the control group with no exposition. For determination of iron concentration in the four groups of cerebellum samples ICP MS was used. Iron accumulation in samples by PIXE analysis using the 3 MeV proton beam was carried out. RESULTS: Iron concentration measured by ICP MS revealed no significant differences for all the groups. PIXE results showed a focal accumulation of iron with the size up to 3 mm. Highest concentration of iron after exposure to real signal was observed. CONCLUSION: We suggest that the iron accumulation after the exposure to RF ELF is not the result of higher permeability of blood-brain barrier and leaking out of iron from the bloodstream into the brain cells and tissues. It could be the result of an iron actuation and its redistribution in the tissue (Fig. 2, Ref. 86).

Machine Enhanced Logic

AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typeanimal
Effect directionmixed
PopulationRabbits
Sample sizeNot supplied
ExposureRF
Evidence strengthLowConfidence: 74% · Peer reviewed: yes

Main findings

ICP MS measurements found no significant differences in cerebellar iron concentration across exposure groups and controls. PIXE analysis showed focal iron accumulation up to 3 mm, with the highest iron concentration observed after exposure to the real GSM signal.

Outcomes measured

  • Iron concentration in cerebellum (ICP MS)
  • Focal iron accumulation in cerebellum (PIXE; size up to 3 mm)
  • Proposed mechanism related to blood-brain barrier permeability vs redistribution/actuation of iron

Limitations

  • Sample size not reported in abstract
  • Exposure parameters (frequency, intensity/SAR, duration) not reported in abstract
  • Findings differ by measurement method (ICP MS vs PIXE), complicating interpretation
  • Mechanistic conclusions are suggested rather than directly demonstrated
View raw extracted JSON
{
  "study_type": "animal",
  "exposure": {
    "band": "RF",
    "source": "GSM",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Rabbits",
  "sample_size": null,
  "outcomes": [
    "Iron concentration in cerebellum (ICP MS)",
    "Focal iron accumulation in cerebellum (PIXE; size up to 3 mm)",
    "Proposed mechanism related to blood-brain barrier permeability vs redistribution/actuation of iron"
  ],
  "main_findings": "ICP MS measurements found no significant differences in cerebellar iron concentration across exposure groups and controls. PIXE analysis showed focal iron accumulation up to 3 mm, with the highest iron concentration observed after exposure to the real GSM signal.",
  "effect_direction": "mixed",
  "limitations": [
    "Sample size not reported in abstract",
    "Exposure parameters (frequency, intensity/SAR, duration) not reported in abstract",
    "Findings differ by measurement method (ICP MS vs PIXE), complicating interpretation",
    "Mechanistic conclusions are suggested rather than directly demonstrated"
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "rabbit",
    "cerebellum",
    "GSM",
    "radiofrequency electromagnetic fields",
    "RF EMF",
    "iron accumulation",
    "PIXE",
    "ICP MS",
    "blood-brain barrier"
  ],
  "suggested_hubs": []
}
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AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.4149/bll_2022_138
PubMed: 36342872

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