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The influence of a static, homogenous magnetic field (B=320mT) on extracardiac pulsations of Tenebrio molitor pupae (Coleoptera: Tenebrionidae).

Journal of insect physiology · 1997 · Mixed · Low evidence

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MixedLow evidencePaper 4097

In an experiment exposing Tenebrio molitor pupae to a static, homogeneous magnetic field (B=320 mT), the obtained data were reported as consistent with a hypothesis of increased pupal metabolism during the period of magnetic-field activity. The authors note t…

Study snapshot

PublicationJournal of insect physiology · 1997
Study typeanimal
Reported directionMixed
Evidence ratingLow

Abstract

While investigating and describing interactions among living organisms and magnetic fields (MFs) it is imperative to lay great emphasis on independent reproducibility of published experimental results. Mutual confrontation of existing theoretical models with reliable data obtained under comparable conditions can aid gradual mapping of this hitherto badly organized and understood discipline of biology. The objective of our experiment, based on analysing extracardiac pulsations of the pupae of Tenebrio molitor under the influence of a MF, was to verify published data on allegedly accelerated development induced by a MF employing a different procedure. The obtained data are in agreement with a hypothesis of increased pupal metabolism during the period of MF activity. Furthermore, some dependence on the age of the pupae cannot be ruled out.

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
PopulationTenebrio molitor pupae (Coleoptera: Tenebrionidae)
Sample sizeNot supplied
Exposurestatic
Evidence strengthLowConfidence: 66% · Peer reviewed: yes

Main findings

In an experiment exposing Tenebrio molitor pupae to a static, homogeneous magnetic field (B=320 mT), the obtained data were reported as consistent with a hypothesis of increased pupal metabolism during the period of magnetic-field activity. The authors note that dependence on pupal age cannot be ruled out.

Outcomes measured

  • extracardiac pulsations
  • pupal metabolism
  • development rate (accelerated development; referenced as previously published)

Limitations

  • Sample size not reported in abstract
  • Exposure duration not reported in abstract
  • Outcome measures and statistical details not reported in abstract
  • Age-related dependence is possible and not resolved
View raw extracted JSON
{
  "study_type": "animal",
  "exposure": {
    "band": "static",
    "source": "laboratory magnetic field",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Tenebrio molitor pupae (Coleoptera: Tenebrionidae)",
  "sample_size": null,
  "outcomes": [
    "extracardiac pulsations",
    "pupal metabolism",
    "development rate (accelerated development; referenced as previously published)"
  ],
  "main_findings": "In an experiment exposing Tenebrio molitor pupae to a static, homogeneous magnetic field (B=320 mT), the obtained data were reported as consistent with a hypothesis of increased pupal metabolism during the period of magnetic-field activity. The authors note that dependence on pupal age cannot be ruled out.",
  "effect_direction": "mixed",
  "limitations": [
    "Sample size not reported in abstract",
    "Exposure duration not reported in abstract",
    "Outcome measures and statistical details not reported in abstract",
    "Age-related dependence is possible and not resolved"
  ],
  "evidence_strength": "low",
  "confidence": 0.66,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "static magnetic field",
    "320 mT",
    "Tenebrio molitor",
    "pupae",
    "extracardiac pulsations",
    "metabolism",
    "development"
  ],
  "suggested_hubs": [
    {
      "slug": "animal-studies",
      "weight": 0.78,
      "reason": "Experimental exposure study in insect pupae under a static magnetic field."
    }
  ]
}
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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: 10.1016/s0022-1910(97)00080-2
PubMed: 12770469

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