ArticleJournal of radiation research2022
Microdistribution of internal radiation dose in biological tissues exposed to 56Mn dioxide microparticles.
Article in Journal of radiation research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 12 citations in OpenAlex.
- Gene Expression Changes in the Spleen, Lungs, and Liver of Wistar Rats Exposed to β-EmittedInternational journal of molecular sciences · 2025Article
- Integrative multi-omics analysis of radionuclide-induced intestinal injury reveals the radioprotective role of L-citrulline through histone H3-mediated Cxcl3.Journal of translational medicine · 2025Article
- Features of internal absorbed dose microdistribution in biological tissue irradiated by 31SiO2 microparticles compared with dose microdistribution from exposure to 56MnO2 particles.Journal of radiation research · 2025Article
- Internal radiation dose estimates in organs of Wistar rats exposed to sprayed neutron-activated 31SiO2 microparticles: first results of international multicenter study.Journal of radiation research · 2024Article
- Effects of RadioactiveInternational journal of molecular sciences · 2023Article
- Effects of Internal Exposure of RadioactiveCurrent issues in molecular biology · 2023Article
- The overview of neutron-induced 56Mn radioactive microparticle effects in experimental animals and related studies.Journal of radiation research · 2022Article
- Pathological observation of the effects of exposure to radioactive microparticles on experimental animals.Journal of radiation research · 2022Review
- Overview and analysis of internal radiation dose estimates in experimental animals in a framework of international studies of the sprayed neutron-induced 56Mn radioactive microparticles effects.Journal of radiation research · 2022Article
Corrections and comments
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Authors and funding
16 authors at 7 institutions in 3 countries.
Funding
Abstract
Manganese-56 (56Mn) was one of the dominant neutron-activated radionuclides during the first hours following the atomic-bombing of Hiroshima and Nagasaki. The radiation spectrum of 56Mn and the radiation emission from excited levels of 56Fe following 56Mn beta-decay include gamma-quanta, beta-particles, Auger electrons and X-rays. The dispersion of neutron activated 56Mn in the air can lead to entering of radioactive microparticles into the lungs. The investigation of spatial microdistribution of an internal dose in biological tissue exposed to 56Mn is an important matter with regards to the possible elevated irradiation of the lung alveoli and alveolar ducts. The Monte Carlo code (MCNP-4C) was used for the calculation of absorbed doses in biological tissue around 56Mn dioxide microparticles. The estimated absorbed dose has a very essential gradient in the epithelium cells of lung alveoli and alveolar duct: from 61 mGy/decay on the surface of simple squamous cells of epithelium to 0.15 mGy/decay at distance of 0.3 μm, which is maximal cell thickness. It has been concluded that epithelial cells of these pulmonary microstructures are selectively irradiated by low-energy electrons: short-range component of beta-particles spectrum and Auger electrons. The data obtained are important for the interpretation of biological experiments implementing dispersed neutron-activated 56Mn dioxide powder.
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