Effects of ionizing radiation on the color and morphology properties of leather
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Brazilian Journal of Radiation Sciences
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Effective conservation strategies for leather artifacts and art objects are
essential for preserving cultural heritage, particularly given the inherent vulnerability of
the material to biodegradation, as leather, an organic material, is especially susceptible to
this process. Gamma radiation has emerged as a promising method for the disinfestation
and disinfection of cultural heritage objects and archival materials. This study aimed to
advance the understanding of gamma radiation as a conservation technique for vegetabletanned snake and chrome-tanned bovine leather, specifically focusing on its effects on
chromaticity, surface topology, fiber structure and thermal behavior. Gamma radiation
was applied at controlled doses of 1 and 3 kGy, and its impact on the morphology of the
leather was assessed using colorimetry within the CIELAB color space and field emission
gun scanning electron microscopy (FEGSEM). The findings indicated that gamma
radiation at these doses induced minimal alterations in the morphological properties of
the leather. The color differences for irradiated and non-irradiated samples were
negligible, with total color differences (ΔE) remaining within acceptable limits (ΔE < 3).
Moreover, FEGSEM analysis demonstrated that the fiber structure and surface
morphology were not significantly compromised by the irradiation process.
Thermogravimetric analyses showed similar thermal decomposition between nonirradiated and irradiated samples for both bovine and snake leather, with detailed data
analysis indicating thermal stability. The results supported the efficiency of gamma
radiation as a conservation technique for both bovine and snake leather artifacts,
preserving their aesthetic and structural integrity.
Como referenciar
STANZIANI-GIBBA, J.L.; OLIVEIRA, M.J.A.; OTUBO, L.; CIPRIANO, J.; VASQUEZ, P.A.S. Effects of ionizing radiation on the color and morphology properties of leather. Brazilian Journal of Radiation Sciences, v. 12, n. 4A, p. 1-27, 2024. DOI: 10.15392/2319-0612.2024.2675. Disponível em: https://repositorio.ipen.br/handle/123456789/49055. Acesso em: 20 Mar 2026.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.