Nanostructured glass-ceramic materials from glass waste with antimicrobial activity

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Autor(es): dc.contributorUniversidade de Brasília, Instituto de Física, Núcleo de Física Aplicada-
Autor(es): dc.contributorUniversidade Tecnológica Federal do Paraná, Group of Polymers and Nanostructures-
Autor(es): dc.contributorUniversidade Tecnológica Federal do Paraná, Group of Polymers and Nanostructures-
Autor(es): dc.contributorBrazilian Center for Physics Research-
Autor(es): dc.contributorBrazilian Center for Physics Research-
Autor(es): dc.contributorUniversidade de Brasília, Instituto de Física, Núcleo de Física Aplicada-
Autor(es): dc.contributorUniversidade Tecnológica Federal do Paraná, Group of Polymers and Nanostructures-
Autor(es): dc.creatorCaland, Juliani P.-
Autor(es): dc.creatorBaptista, João-
Autor(es): dc.creatorPeiter, Gabrielle Caroline-
Autor(es): dc.creatorAguiar, Kelen M. F. Rossi de-
Autor(es): dc.creatorSinnecker, João Paulo-
Autor(es): dc.creatorFelix, Jorlandio Francisco-
Autor(es): dc.creatorSchneider, Ricardo-
Data de aceite: dc.date.accessioned2024-10-23T15:42:27Z-
Data de disponibilização: dc.date.available2024-10-23T15:42:27Z-
Data de envio: dc.date.issued2024-09-13-
Data de envio: dc.date.issued2024-09-13-
Data de envio: dc.date.issued2024-07-06-
Fonte completa do material: dc.identifierhttp://repositorio.unb.br/handle/10482/50351-
Fonte completa do material: dc.identifierhttps://doi.org/10.3390/molecules29133212-
Fonte completa do material: dc.identifierhttps://orcid.org/0000-0003-2740-4286-
Fonte completa do material: dc.identifierhttps://orcid.org/0000-0002-8880-6986-
Fonte completa do material: dc.identifierhttps://orcid.org/0000-0001-7965-4434-
Fonte completa do material: dc.identifierhttps://orcid.org/0000-0002-4285-4050-
Fonte completa do material: dc.identifierhttps://orcid.org/0000-0002-2668-0409-
Fonte completa do material: dc.identifierhttps://orcid.org/0000-0001-5211-901X-
Fonte completa do material: dc.identifierhttps://orcid.org/0000-0003-0986-1854-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/889843-
Descrição: dc.descriptionModern consumption patterns have led to a surge in waste glass accumulating in municipal landfills, contributing to environmental pollution, especially in countries that do not have well-established recycling standards. While glass itself is 100% recyclable, the logistics and handling involved present significant challenges. Flint and amber-colored glass, often found in high quantities in municipal waste, can serve as valuable sources of raw materials. We propose an affordable route that requires just a thermal treatment of glass waste to obtain glass-based antimicrobial materials. The thermal treatment induces crystallized nanoregions, which are the primary factor responsible for the bactericidal effect of waste glass. As a result, coarse particles of flint waste glass that undergo thermal treatment at 720 °C show superior antimicrobial activity than amber waste glass. Glass-ceramic materials from flint waste glass, obtained by thermal treatment at 720 °C during 2 h, show antimicrobial activity against Escherichia coli after just 30 min of contact time. Laser-induced breakdown spectroscopy (LIBS) was employed to monitor the elemental composition of the glass waste. The obtained glass-ceramic material was structurally characterized by transmission electron microscopy, enabling the confirmation of the presence of nanocrystals embedded within the glass matrix.-
Descrição: dc.descriptionInstituto de Física (IF)-
Descrição: dc.descriptionPrograma de Pós-Graduação em Física-
Formato: dc.formatapplication/pdf-
Idioma: dc.languagept_BR-
Publicador: dc.publisherMDPI-
Direitos: dc.rightsAcesso Aberto-
Direitos: dc.rights© 2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).-
Palavras-chave: dc.subjectVidro - resíduos-
Palavras-chave: dc.subjectMateriais vitrocerâmica-
Palavras-chave: dc.subjectMateriais antimicrobianos-
Título: dc.titleNanostructured glass-ceramic materials from glass waste with antimicrobial activity-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional – UNB

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