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The effect of exposure of acetylcholinesterase to 2,450-MHz microwave radiation.

Bioelectromagnetics · 1984 · No effect · Low evidence

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No effectLow evidencePaper 5930

In membrane-free acetylcholinesterase exposed in-field to 2,450-MHz pulsed microwave radiation, no significant changes in enzyme activity were observed across a range of power densities, pulse widths, repetition rates, and duty cycles.

Study snapshot

PublicationBioelectromagnetics · 1984
Study typein_vitro
Reported directionNo effect
Evidence ratingLow

Abstract

The effect of 2,450-MHz pulsed microwave radiation on the enzyme activity of membrane-free acetylcholinesterase was studied while the enzyme was in the microwave field. We found no significant effect of microwave radiation on enzyme activity using a wide variety of power densities, pulse widths, repetition rates, and duty cycles. This suggests that simple, direct modification by microwave energy of acetylcholinesterase structure and enzymic activity is not related to microwave alteration of acetylcholinesterase central nervous system levels.

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 typein_vitro
Effect directionno_effect
PopulationNot supplied
Sample sizeNot supplied
Exposuremicrowave · 2450 MHz
Evidence strengthLowConfidence: 74% · Peer reviewed: yes

Main findings

In membrane-free acetylcholinesterase exposed in-field to 2,450-MHz pulsed microwave radiation, no significant changes in enzyme activity were observed across a range of power densities, pulse widths, repetition rates, and duty cycles.

Outcomes measured

  • acetylcholinesterase enzyme activity

Limitations

  • Sample size not reported in abstract.
  • Exposure metrics (e.g., specific power densities, SAR) not quantified in abstract.
  • Only membrane-free enzyme activity assessed; may not represent in vivo or CNS conditions.
View raw extracted JSON
{
  "study_type": "in_vitro",
  "exposure": {
    "band": "microwave",
    "source": null,
    "frequency_mhz": 2450,
    "sar_wkg": null,
    "duration": null
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "acetylcholinesterase enzyme activity"
  ],
  "main_findings": "In membrane-free acetylcholinesterase exposed in-field to 2,450-MHz pulsed microwave radiation, no significant changes in enzyme activity were observed across a range of power densities, pulse widths, repetition rates, and duty cycles.",
  "effect_direction": "no_effect",
  "limitations": [
    "Sample size not reported in abstract.",
    "Exposure metrics (e.g., specific power densities, SAR) not quantified in abstract.",
    "Only membrane-free enzyme activity assessed; may not represent in vivo or CNS conditions."
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "2450 MHz",
    "microwave radiation",
    "pulsed microwaves",
    "acetylcholinesterase",
    "enzyme activity",
    "in vitro"
  ],
  "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: 10.1002/bem.2250050205
PubMed: 6732873

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