Zobrazeno 1 - 10 of 47 pro vyhledávání: '"Afonso D L, de Souza"'
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Lisboaeflavanonol A: A new flavonoid glycoside obtained from Amazonian Eugenia lisboae
Autor: Felipe M. A. da Silva, Francinete Ramos Campos, Estevan Bruginski, Andrezza S. Ramos, Rita de Cássia Saraiva Nunomura, Kidney O.G. Neves, Afonso D. L. de Souza, Marcos B. Machado
Publikováno v: Phytochemistry Letters. 43:65-69
Eugenia lisboae M.A.D. Souza (Myrtaceae) is a species found in the Amazon biome, recently described and has not yet been studied regarding its chemical properties. This study aims to identify the main chemical constituents of crude ethyl acetate and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9b2386b500bb7285d5f8ef0447e68bf
https://doi.org/10.1016/j.phytol.2021.03.017
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3
Screening of Alkaloid-Producing Endophytic Penicillium Strains from Amazon Medicinal Plants by Electrospray Ionization Mass Spectrometry (ESI-MS) and Principal Component Analysis (PCA)
Autor: Gabriel O. Rezende, Marjory M. M. de Souza, Afonso D. L. de Souza, J. C. Cruz, Gilvan Ferreira da Silva, Antonia Queiroz Lima de Souza, Francinaldo A. da Silva-Filho, Felipe M. A. da Silva
Publikováno v: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
The genus Penicillium is among the most promising alkaloid-producing fungal and therefore plays an important role in terms of producing molecules with biotechnological potential. Thus, in order to identify alkaloid-producing fungi, 25 endophytic Peni
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82be45cb59e806e8e584a7f8e4a8a73b
https://doi.org/10.21577/0103-5053.20210074
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4
Antimicrobial and cytotoxic activity of fungal mycelial extracts from aquatic environments in the Amazon
Autor: Wanderli Pedro Tadei, Sarah Raquel Silveira da Silva Santiago, Antonia Queiroz Lima de Souza, Marlene Rodrigues Marcelino Camargo, Ricardo de Melo Katak, Afonso D. L. de Souza, Patrícia Puccinelli Orlandi, Ivanildes dos Santos Bastos, Marta Rodrigues de Oliveira
Publikováno v: Research, Society and Development; Vol. 10 No. 10; e273101018795
Research, Society and Development; Vol. 10 Núm. 10; e273101018795
Research, Society and Development; v. 10 n. 10; e273101018795
Research, Society and Development
Universidade Federal de Itajubá (UNIFEI)
instacron:UNIFEI
Fungi are a prolific source of biologically active metabolites, including a wide range of clinically important drugs. Therefore, this study aims to evaluate the antimicrobial and cytotoxic activity of secondary metabolites extracted from fungal mycel
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d2a098edbab40b2fd43f328c65175c2
https://rsdjournal.org/index.php/rsd/article/view/18795
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6
Phenolic compounds from Virola venosa (Myristicaceae) and evaluation of their antioxidant and enzyme inhibition potential
Autor: Hector H. F. Koolen, Ana Frazão Teixeira, Kamila Rangel Primo Fernandes, Antonia Queiroz Lima de Souza, Leonard D.R. Acho, Paulo Senna Bittercourt, Afonso D. L. de Souza, Rita de Cássia Saraiva Nunomura, Emerson Silva Lima, Felipe M. A. da Silva
Publikováno v: Acta Amazonica
Acta Amazonica v.49 n.1 2019
Instituto Nacional de Pesquisas da Amazônia (INPA)
instacron:INPA
Acta Amazonica, Volume: 49, Issue: 1, Pages: 48-53, Published: MAR 2019
Virola venosa, popularly known in Brazil as ucuuba-da-mata, occurs naturally in the Amazon region and has potential to provide useful natural compounds, as already known for other Virola species. Therefore, the objective of this study was to determin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a97d803afbbbf308000e46ee533d350
https://doi.org/10.1590/1809-4392201800832
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7
Flavonoid glycosides and their putative human metabolites as potential inhibitors of the SARS-CoV-2 main protease (Mpro) and RNA-dependent RNA polymerase (RdRp)
Autor: Felipe M. A. da Silva, Luiz P. de Oliveira, Afonso D. L. de Souza, Hector H. F. Koolen, Emmanoel V. Costa, Katia Pacheco A. da Silva, Antonia Queiroz Lima de Souza, Maria Lúcia B. Pinheiro
Publikováno v: Memórias do Instituto Oswaldo Cruz, Volume: 115, Article number: e200207, Published: 30 SEP 2020
Memórias do Instituto Oswaldo Cruz
Memórias do Instituto Oswaldo Cruz., Vol 115 (2020)
BACKGROUND Since the World Health Organization (WHO) declared Coronavirus disease 2019 (COVID-19) to be a pandemic infection, important severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) non-structural proteins (nsp) have been analysed as p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51a6249da4a2a9c996e301ba59f47cab
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762020000100341&lng=en&tlng=en
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8
Positive electrospray ionization ion trap mass spectrometry and ab initio computational studies of the multi-pathway fragmentation of oxoaporphine alkaloids
Autor: Emmanoel V. Costa, Nelson H. Morgon, Felipe M. A. da Silva, Giovana A. Bataglion, Maria Lúcia B. Pinheiro, Iran L. Sousa, Francinaldo A. da Silva Filho, Gabriel Heerdt, Richardson A. de Almeida, Afonso D. L. de Souza, Hector H. F. Koolen, Danielle Cardoso de Alencar
Publikováno v: International Journal of Mass Spectrometry. 418:30-36
We report herein the first collision induced dissociation (CID) study with oxoaporphine alkaloids by electrospray ionization ion-trap mass spectrometry (ESI-IT-MS) associated with ab initio computational studies and isotope labeling experiments. Prod
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e6674be2d13dc5b15319e090348432d
https://doi.org/10.1016/j.ijms.2016.12.004
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10
Integrative Approach Based on Simplex-Centroid Design, ESI-MS and Chemometric Analysis for Comprehensive Characterization of Phenolic Compounds from Endopleura uchi Bark
Autor: Rita de Cássia Saraiva Nunomura, Lilian Macedo Bastos, Felipe Zauli da Silva, Afonso D. L. de Souza, Rochelly da Silva Mesquita, Ingrity S.C. Sá, Leonard de Souza
Publikováno v: Journal of the Brazilian Chemical Society.
Endopleura uchi (Huber) Cuatrec. is an Amazonian medicinal plant with restricted distribution to the North Region of Brazil. Its bark is commonly used as natural medicines for the treatment of many diseases. Although widely investigated from the phyt
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c27cc9b76cb52627952ec16a792482fc
https://doi.org/10.21577/0103-5053.20190187
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