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Registro Completo |
Biblioteca(s): |
Embrapa Agroenergia. |
Data corrente: |
02/05/2024 |
Data da última atualização: |
10/05/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
LIMA, A. K. O.; SILVEIRA, A. P.; SILVA, R. C.; MACHADO, Y. A. A.; ARAÚJO, A. R. de; ARAUJO, S. S. de M.; VIEIRA, I. R. S.; ARAÚJO, J. L.; SANTOS, L. C. dos; RODRIGUES, K. A. da F.; SILVA, S. W. da; RIBEIRO, J. A. de A.; RODRIGUES, C. M.; GARCIA, M. P. |
Afiliação: |
ALAN KELBIS OLIVEIRA LIMA; ARIANE PANDOLFO SILVEIRA; RENATA CARVALHO SILVA; YASMIN ALVES AIRES MACHADO; ALYNE RODRIGUES DE ARAÚJO; SANSARA SANNY DE MENDONÇA ARAUJO; ITALO RENNAN SOUSA VIEIRA; JOABE LIMA ARAÚJO; LUCAS CARVALHO DOS SANTOS; KLINGER ANTÔNIO DA FRANÇA RODRIGUES; SEBASTIÃO WILLIAM DA SILVA; JOSE ANTONIO DE AQUINO RIBEIRO, CNPAE; CLENILSON MARTINS RODRIGUES, CNPAE; MÔNICA PEREIRA GARCIA. |
Título: |
Phytosynthesis of silver nanoparticles using guarana (Paullinia cupana Kunth) leaf extract employing different routes: characterization and investigation of in vitro bioactivities |
Ano de publicação: |
2024 |
Fonte/Imprenta: |
Biomass Conversion and Biorefinery, v. 14, n. 10, 2024. |
DOI: |
https://doi.org/10.1007/s13399-023-05250-1 |
Idioma: |
Inglês |
Conteúdo: |
The optimization techniques are fundamental to guarantee the stability of any preparation process and the quality of the nanostructures synthesized under ideal circumstances. In this sense, this study evaluates the potential of guarana leaf extract (Paullinia cupana Kunth—Sapindaceae) for the green synthesis of silver nanoparticles (AgNPs) using routes that employ different equipment/energy sources (autoclave, LED, microwave, sunlight, ultrasound, and water bath). The aqueous extract was characterized by high-performance liquid chromatography coupled with high-resolution mass spectrometry (UHPLCHRMS/ MS). The AgNPs were analyzed by UV/Vis spectroscopy, dynamic light scattering (DLS), zeta potential (ZP), Fourier transform infrared (FTIR), transmission electron microscopy (TEM) and their antibacterial, leishmanicidal and cytotoxic effects were evaluated in vitro. The results show the presence of phenolic acids, alkaloids, and flavonoids in the leaf extract, which was supported by the identification of their functional groups in the FTIR spectra. The AgNPs showed maximum absorption between 420 and 440 nm (UV/Vis), with a diameter below 100 nm (DLS) and 60 nm (TEM), spherical morphology and a surface charge above − 30 mV (ZP). The antibacterial test showed pronounced inhibition in the growth of Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus bacteria. The leishmanicidal activity of AgNPs on Leishmania (Leishmania) amazonensis was more pronounced than that of the drug miltefosine while low cytotoxicity was reported on RAW 264.7 macrophages. With this, this study reports the possibility of using alternative routes for the sustainable synthesis of AgNPs from Paullinia cupana extract with considerable applications against pathogenic bacteria and opportunistic parasites. MenosThe optimization techniques are fundamental to guarantee the stability of any preparation process and the quality of the nanostructures synthesized under ideal circumstances. In this sense, this study evaluates the potential of guarana leaf extract (Paullinia cupana Kunth—Sapindaceae) for the green synthesis of silver nanoparticles (AgNPs) using routes that employ different equipment/energy sources (autoclave, LED, microwave, sunlight, ultrasound, and water bath). The aqueous extract was characterized by high-performance liquid chromatography coupled with high-resolution mass spectrometry (UHPLCHRMS/ MS). The AgNPs were analyzed by UV/Vis spectroscopy, dynamic light scattering (DLS), zeta potential (ZP), Fourier transform infrared (FTIR), transmission electron microscopy (TEM) and their antibacterial, leishmanicidal and cytotoxic effects were evaluated in vitro. The results show the presence of phenolic acids, alkaloids, and flavonoids in the leaf extract, which was supported by the identification of their functional groups in the FTIR spectra. The AgNPs showed maximum absorption between 420 and 440 nm (UV/Vis), with a diameter below 100 nm (DLS) and 60 nm (TEM), spherical morphology and a surface charge above − 30 mV (ZP). The antibacterial test showed pronounced inhibition in the growth of Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus bacteria. The leishmanicidal activity of AgNPs on Leishmania (Leishmania) amazonensis was more pronounced than that of ... Mostrar Tudo |
Thesaurus Nal: |
Antibacterial plants; Antileishmanials; Nanoparticles. |
Categoria do assunto: |
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Marc: |
LEADER 02896naa a2200325 a 4500 001 2164046 005 2024-05-10 008 2024 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1007/s13399-023-05250-1$2DOI 100 1 $aLIMA, A. K. O. 245 $aPhytosynthesis of silver nanoparticles using guarana (Paullinia cupana Kunth) leaf extract employing different routes$bcharacterization and investigation of in vitro bioactivities$h[electronic resource] 260 $c2024 520 $aThe optimization techniques are fundamental to guarantee the stability of any preparation process and the quality of the nanostructures synthesized under ideal circumstances. In this sense, this study evaluates the potential of guarana leaf extract (Paullinia cupana Kunth—Sapindaceae) for the green synthesis of silver nanoparticles (AgNPs) using routes that employ different equipment/energy sources (autoclave, LED, microwave, sunlight, ultrasound, and water bath). The aqueous extract was characterized by high-performance liquid chromatography coupled with high-resolution mass spectrometry (UHPLCHRMS/ MS). The AgNPs were analyzed by UV/Vis spectroscopy, dynamic light scattering (DLS), zeta potential (ZP), Fourier transform infrared (FTIR), transmission electron microscopy (TEM) and their antibacterial, leishmanicidal and cytotoxic effects were evaluated in vitro. The results show the presence of phenolic acids, alkaloids, and flavonoids in the leaf extract, which was supported by the identification of their functional groups in the FTIR spectra. The AgNPs showed maximum absorption between 420 and 440 nm (UV/Vis), with a diameter below 100 nm (DLS) and 60 nm (TEM), spherical morphology and a surface charge above − 30 mV (ZP). The antibacterial test showed pronounced inhibition in the growth of Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus bacteria. The leishmanicidal activity of AgNPs on Leishmania (Leishmania) amazonensis was more pronounced than that of the drug miltefosine while low cytotoxicity was reported on RAW 264.7 macrophages. With this, this study reports the possibility of using alternative routes for the sustainable synthesis of AgNPs from Paullinia cupana extract with considerable applications against pathogenic bacteria and opportunistic parasites. 650 $aAntibacterial plants 650 $aAntileishmanials 650 $aNanoparticles 700 1 $aSILVEIRA, A. P. 700 1 $aSILVA, R. C. 700 1 $aMACHADO, Y. A. A. 700 1 $aARAÚJO, A. R. de 700 1 $aARAUJO, S. S. de M. 700 1 $aVIEIRA, I. R. S. 700 1 $aARAÚJO, J. L. 700 1 $aSANTOS, L. C. dos 700 1 $aRODRIGUES, K. A. da F. 700 1 $aSILVA, S. W. da 700 1 $aRIBEIRO, J. A. de A. 700 1 $aRODRIGUES, C. M. 700 1 $aGARCIA, M. P. 773 $tBiomass Conversion and Biorefinery$gv. 14, n. 10, 2024.
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Embrapa Agroenergia (CNPAE) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Recursos Genéticos e Biotecnologia. Para informações adicionais entre em contato com cenargen.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
21/10/2009 |
Data da última atualização: |
17/05/2010 |
Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
Autoria: |
CARNEIRO, R. M. D. G.; COSTA, S. B.; SOUSA, F. R. de; SANTOS, D. F. dos; ALMEIDA, M. R. A.; SANTOS, M. F. A. dos; SIQUEIRA, K. M. S. de; TIGANO, M. S.; FONSECA, A. F. A. D. |
Afiliação: |
REGINA MARIA DECHECHI G CARNEIRO, CENARGEN; SAMARA BELÉM COSTA; FÁBIO RODRIGUES DE SOUSA; DANILO FURTADO DOS SANTOS; MARIA RITTA ALVES ALMEIDA; MARCILENE FERNANDES ALMEIDA DOS SANTOS; KÉRCYA MARIA SIMÕES DE SIQUEIRA; MYRIAN SILVANA TIGANO, CENARGEN; AYMBIRE FRANCISCO A DA FONSECA, SAPC. |
Título: |
Reação de cafeeiros 'Conilon' a diferentes populações de Meloidogyne spp. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
In: SIMPÓSIO DE PESQUISA DOS CAFÉS DO BRASIL, 6., 2009, Vitória. Inovação científica, competitividade e mudanças climáticas: anais. Vitória: Consórcio Pesquisa Café, 2009. |
Descrição Física: |
1 CD-ROM. |
Idioma: |
Português |
Palavras-Chave: |
Conilon Vitória; M. exigua; M. incognita; M. paranaensis; Resistance; Susceptibility; Suscetibilidade. |
Thesagro: |
Coffea Canephora; Resistência. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01020nam a2200313 a 4500 001 1572832 005 2010-05-17 008 2009 bl uuuu u01u1 u #d 100 1 $aCARNEIRO, R. M. D. G. 245 $aReação de cafeeiros 'Conilon' a diferentes populações de Meloidogyne spp. 260 $aIn: SIMPÓSIO DE PESQUISA DOS CAFÉS DO BRASIL, 6., 2009, Vitória. Inovação científica, competitividade e mudanças climáticas: anais. Vitória: Consórcio Pesquisa Café$c2009 300 $c1 CD-ROM. 650 $aCoffea Canephora 650 $aResistência 653 $aConilon Vitória 653 $aM. exigua 653 $aM. incognita 653 $aM. paranaensis 653 $aResistance 653 $aSusceptibility 653 $aSuscetibilidade 700 1 $aCOSTA, S. B. 700 1 $aSOUSA, F. R. de 700 1 $aSANTOS, D. F. dos 700 1 $aALMEIDA, M. R. A. 700 1 $aSANTOS, M. F. A. dos 700 1 $aSIQUEIRA, K. M. S. de 700 1 $aTIGANO, M. S. 700 1 $aFONSECA, A. F. A. D.
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