Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extract
Autor(a) principal: | |
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Data de Publicação: | 2023 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | https://hdl.handle.net/1822/87075 |
Resumo: | A simple and low-cost green synthesis method was optimized to prepare stable silver nanoparticles (AgNP) using aqueous Eucalyptus globulus leaves extract. This green method allows to obtain AgNP with spherical morphology and variable size around 25 nm, and it is dependent of the reaction temperature and concentration of the plant extract. AgNP stability was followed during 3 months by zeta potential measurements and a negative zeta range from 30.7 to 33.6 was determined. Biogenic-stabilized AgNP exhibited dual-functional properties as effective in environmental remediation with bacterial growth inhibition and dye photodegradation. Staphylococcus aureus and Escherichia coli were tested for antibacterial activity, and considerable inhibitory activity was found. High photocatalytic degradation of indigo carmine (IC) dye was performed in the presence of the AgNP as catalysts under sunlight irradiation. The degradation efficiency after 2 h of reaction was 37 %, 83 % and 98 % in the presence of UV light, visible light and sunlight irradiation, respectively. The germination of corn kernels test was used to determine the toxicity of the treated IC solutions and the results showed low toxicity after the photodegradation process. |
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Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extractGreen synthesisSilver nanoparticlesEucalyptus leavesAntibacterialPhotodegradationA simple and low-cost green synthesis method was optimized to prepare stable silver nanoparticles (AgNP) using aqueous Eucalyptus globulus leaves extract. This green method allows to obtain AgNP with spherical morphology and variable size around 25 nm, and it is dependent of the reaction temperature and concentration of the plant extract. AgNP stability was followed during 3 months by zeta potential measurements and a negative zeta range from 30.7 to 33.6 was determined. Biogenic-stabilized AgNP exhibited dual-functional properties as effective in environmental remediation with bacterial growth inhibition and dye photodegradation. Staphylococcus aureus and Escherichia coli were tested for antibacterial activity, and considerable inhibitory activity was found. High photocatalytic degradation of indigo carmine (IC) dye was performed in the presence of the AgNP as catalysts under sunlight irradiation. The degradation efficiency after 2 h of reaction was 37 %, 83 % and 98 % in the presence of UV light, visible light and sunlight irradiation, respectively. The germination of corn kernels test was used to determine the toxicity of the treated IC solutions and the results showed low toxicity after the photodegradation process.V.R. thanks to Fundação para Ciência e Tecnologia, FCT (Portugal) for her Ph.D. grant (SFRH/BD/141073/2018). P⋅F-S. would like to express their gratitude to the Spanish Ministry of Economy and Competitiveness for their postdoctoral grant (Reference FJC2021-046978-I). This research work has been funded by FCT/MCTES (PIDDAC) over the projects: CQ-UM (UID/QUI/0686/2020), CEB (UIDB/04469/2020) and LABBELS (LA/P/0029/2020), and project BioTecNorte (operation NORTE-01-0145-FEDER-000004), supported by the Northern Portugal Regional Operational Program (NORTE 2020), under the Portugal 2020 Partnership Agreement, through the European Regional Development Fund (ERDF).info:eu-repo/semantics/publishedVersionElsevierUniversidade do MinhoRocha, VerónicaSantos, Pedro Miguel FerreiraGenisheva, Zlatina AsenovaCoelho, Eduardo João LouroNeves, Isabel C.Tavares, T.2023-122023-12-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/1822/87075engRocha, Verónica; Ferreira-Santos, P.; Genisheva, Zlatina; Coelho, Eduardo; Neves, Isabel C.; Tavares, Teresa, Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extract. Journal of Water Process Engineering, 56(104431), 20232214-714410.1016/j.jwpe.2023.104431https://www.sciencedirect.com/science/article/pii/S2214714423009510info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-10-28T01:19:04Zoai:repositorium.sdum.uminho.pt:1822/87075Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T21:25:58.751812Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extract |
title |
Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extract |
spellingShingle |
Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extract Rocha, Verónica Green synthesis Silver nanoparticles Eucalyptus leaves Antibacterial Photodegradation |
title_short |
Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extract |
title_full |
Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extract |
title_fullStr |
Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extract |
title_full_unstemmed |
Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extract |
title_sort |
Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extract |
author |
Rocha, Verónica |
author_facet |
Rocha, Verónica Santos, Pedro Miguel Ferreira Genisheva, Zlatina Asenova Coelho, Eduardo João Louro Neves, Isabel C. Tavares, T. |
author_role |
author |
author2 |
Santos, Pedro Miguel Ferreira Genisheva, Zlatina Asenova Coelho, Eduardo João Louro Neves, Isabel C. Tavares, T. |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade do Minho |
dc.contributor.author.fl_str_mv |
Rocha, Verónica Santos, Pedro Miguel Ferreira Genisheva, Zlatina Asenova Coelho, Eduardo João Louro Neves, Isabel C. Tavares, T. |
dc.subject.por.fl_str_mv |
Green synthesis Silver nanoparticles Eucalyptus leaves Antibacterial Photodegradation |
topic |
Green synthesis Silver nanoparticles Eucalyptus leaves Antibacterial Photodegradation |
description |
A simple and low-cost green synthesis method was optimized to prepare stable silver nanoparticles (AgNP) using aqueous Eucalyptus globulus leaves extract. This green method allows to obtain AgNP with spherical morphology and variable size around 25 nm, and it is dependent of the reaction temperature and concentration of the plant extract. AgNP stability was followed during 3 months by zeta potential measurements and a negative zeta range from 30.7 to 33.6 was determined. Biogenic-stabilized AgNP exhibited dual-functional properties as effective in environmental remediation with bacterial growth inhibition and dye photodegradation. Staphylococcus aureus and Escherichia coli were tested for antibacterial activity, and considerable inhibitory activity was found. High photocatalytic degradation of indigo carmine (IC) dye was performed in the presence of the AgNP as catalysts under sunlight irradiation. The degradation efficiency after 2 h of reaction was 37 %, 83 % and 98 % in the presence of UV light, visible light and sunlight irradiation, respectively. The germination of corn kernels test was used to determine the toxicity of the treated IC solutions and the results showed low toxicity after the photodegradation process. |
publishDate |
2023 |
dc.date.none.fl_str_mv |
2023-12 2023-12-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://hdl.handle.net/1822/87075 |
url |
https://hdl.handle.net/1822/87075 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Rocha, Verónica; Ferreira-Santos, P.; Genisheva, Zlatina; Coelho, Eduardo; Neves, Isabel C.; Tavares, Teresa, Environmental remediation promoted by silver nanoparticles biosynthesized by eucalyptus leaves extract. Journal of Water Process Engineering, 56(104431), 2023 2214-7144 10.1016/j.jwpe.2023.104431 https://www.sciencedirect.com/science/article/pii/S2214714423009510 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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1799134141729472512 |