Biomedical radioactive glasses for brachytherapy
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The fight against cancer is an old challenge for mankind. Apart from surgery and chemotherapy, which are the most common treatments, use of radiation represents a promising, less invasive strategy that can be performed both from the outside or inside the body. The latter approach, also known as brachytherapy, relies on the use of implantable beta-emitting seeds or microspheres for killing cancer cells. A set of radioactive glasses have been developed for this purpose but their clinical use is still mainly limited to liver cancer. This review paper provides a picture of the biomedical glasses developed and experimented for brachytherapy so far, focusing the discussion on the production methods and current limitations of the available options to their diffusion in clinical practice. Highly-durable neutron-activatable glasses in the yttria-alumina-silica oxide system are typically preferred in order to avoid the potentially-dangerous release of radioisotopes, while the compositional design of degradable glass systems suitable for use in radiotherapy still remains a challenge and would deserve further investigation in the near future.
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BAINO, FRANCESCO; FIUME, ELISA; CIAVATTINI, SARA; KARGOZAR, SAEID; BORGES, ROGER; GENOVA, LUIS A.; MARCHI, JULIANA; VERNE, ENRICA. Biomedical radioactive glasses for brachytherapy. Materials, v. 14, n. 5, p. 1-18, 2021. DOI: 10.3390/ma14051131. Disponível em: http://repositorio.ipen.br/handle/123456789/32040. Acesso em: 30 Dec 2025.
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.