Upcycling discarded cellulosic surgical masks into catalytically active freestanding materials
dc.contributor.author | Reguera Gómez, Javier | |
dc.contributor.author | Zheng, Fangyuan | |
dc.contributor.author | Shalan, Ahmed Esmail | |
dc.contributor.author | Lizundia Fernández, Erlantz ![]() | |
dc.date.accessioned | 2022-05-11T12:35:37Z | |
dc.date.available | 2022-05-11T12:35:37Z | |
dc.date.issued | 2022 | |
dc.identifier.citation | Cellulose 29(4) : 2223-2240 (2022) | es_ES |
dc.identifier.issn | 0969-0239 | |
dc.identifier.issn | 1572-882X | |
dc.identifier.uri | http://hdl.handle.net/10810/56517 | |
dc.description.abstract | [EN] The COVID-19 pandemic outbreak has resulted in the massive fabrication of disposable surgical masks. As the accumulation of discarded face masks represents a booming threat to the environment, here we propose a solution to reuse and upcycle surgical masks according to one of the cornerstones of the circular economy. Specifically, the non-woven cellulosic layer of the masks is used as an environmentally sustainable and highly porous solid support for the controlled deposition of catalytically active metal-oxide nanoparticles. The native cellulosic fibers from the surgical masks are decorated by titanium dioxide (TiO2), iron oxide (FexOy), and cobalt oxide (CoOx) nanoparticles following a simple and scalable approach. The abundant surface -OH groups of cellulose enable the controlled deposition of metal-oxide nanoparticles that are photocatalytically active or shown enzyme-mimetic activities. Importantly, the hydrophilic highly porous character of the cellulosic non-woven offers higher accessibility of the pollutant to the catalytically active surfaces and high retention in its interior. As a result, good catalytic activities with long-term stability and reusability are achieved. Additionally, developed free-standing hybrids avoid undesired media contamination effects originating from the release of nanoscale particles. The upcycling of discarded cellulosic materials, such as the ones of masks, into high-added-value catalytic materials, results an efficient approach to lessen the waste's hazards of plastics while enhancing their functionality. Interestingly, this procedure can be extended to the upcycling of other systems (cellulosic or not), opening the path to greener manufacturing approaches of catalytic materials. | es_ES |
dc.description.sponsorship | Open Access funding provided thanks to the CRUE-CSIC agreement with Springer Nature. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Springer | es_ES |
dc.rights | info:eu-repo/semantics/openAccess | es_ES |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es/ | * |
dc.subject | COVID-19 pandemic | es_ES |
dc.subject | face masks | es_ES |
dc.subject | non-woven cellulose | es_ES |
dc.subject | upcycling | es_ES |
dc.subject | photocatalysis | es_ES |
dc.subject | nanozymes | es_ES |
dc.subject | circular economy | es_ES |
dc.title | Upcycling discarded cellulosic surgical masks into catalytically active freestanding materials | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.holder | © The Author(s) 2022. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. | es_ES |
dc.rights.holder | Atribución 3.0 España | * |
dc.relation.publisherversion | https://link.springer.com/article/10.1007/s10570-022-04441-9 | es_ES |
dc.identifier.doi | 10.1007/s10570-022-04441-9 | |
dc.departamentoes | Expresión grafica y proyectos de ingeniería | es_ES |
dc.departamentoeu | Adierazpen grafikoa eta ingeniaritzako proiektuak | es_ES |
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Except where otherwise noted, this item's license is described as © The Author(s) 2022. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.