Application of ionizing radiation in the preservation and conservation of taxidermied animal skins in natural history museums
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2024
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Brazilian Journal of Radiation Sciences
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The great interest in the development of research involving ionizing radiation aims to significantly increase the conservation of the skins of taxidermized animals, both for scientific collections and on display, causing their infection and disinfestation, without altering their originality, reducing the use of chemical products, presenting a safe and efficient technology. The preservation of taxidermied mammals has been widely used for educational, scientific and Museum display purposes. However, prolonged exposure to environmental factors or the excessive use of chemicals to store these materials in the collection can affect the integrity of the skin of these animals. In this study, we investigated the effects of gamma radiation on the structure and composition of the skin of taxidermied mammals, with the aim of contributing to a better understanding of conservation processes and the potential risks they may entail. Taxidermy is an animal preservation technique that has been used for centuries, allowing specimens to be arranged in their natural form and/or preserved for scientific studies. Samples of skin from animals from the Brazilian flora were selected, deer, coati, prawn and bison, and these samples were irradiated at doses of 1, 3, 5, 10 and 15 kGy. After gamma irradiation, they were characterized by colorimetry, scanning electron microscopy (SEM), optical microscopy (OM), infrared microscopy (FTIR) and mechanical analysis. The results show that the doses of gamma irradiation that the samples were subjected to did not compromise their physical and chemical integrity. This indicates the possibility of using gamma radiation for disinfestation and disinfection.
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LUPO, C.; OLIVEIRA, M.J.A.; ARAUJO, M.S.; OTUBO, L.; MELLO-CASTANHO, S.R.; VASQUES, A.S.P. Application of ionizing radiation in the preservation and conservation of taxidermied animal skins in natural history museums. Brazilian Journal of Radiation Sciences, v. 12, n. 4A, p. 1-22, 2024. DOI: 10.15392/2319-0612.2024.2666. Disponível em: https://repositorio.ipen.br/handle/123456789/49088. Acesso em: 25 Mar 2025.
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