Search Results - "Oliveira, Djalma Menezes"

Natural Occurring Phenolic Derivatives from Mauritia flexuosa (Buriti) Stems and Their Potential Antibacterial Activity against Methicillin‐Resistant Staphylococcus aureus (MRSA) by Oliveira, Djalma Menezes, Oliveira, Diego Batista Carneiro, Nunes, Yule Roberta Ferreira, Almeida Alves, Tânia Maria, Kohlhoff, Markus, Andrade, Anderson Assunção, Cota, Betania Barros

“…Mauritia flexuosa Linnaeus filius (buriti or aguage; Arecaceae) is a palm used by traditional medicine in Brazil to treat dysentery and diarrhea. Our group…”
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Leishmanicidal compounds of Nectria pseudotrichia, an endophytic fungus isolated from the plant Caesalpinia echinata (Brazilwood) by Cota, Betania Barros, Tunes, Luiza Guimarães, Maia, Daniela Nabak Bueno, Ramos, Jonas Pereira, Oliveira, Djalma Menezes de, Kohlhoff, Markus, Alves, Tânia Maria de Almeida, Souza-Fagundes, Elaine Maria, Campos, Fernanda Fraga, Zani, Carlos Leomar

“…BACKGROUND In a screen of extracts from plants and fungi to detect antileishmanial activity, we found that the ethyl acetate extract of the fungus Nectria…”
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Anti‐Zika Virus Activity of Plant Extracts Containing Polyphenols and Triterpenes on Vero CCL‐81 and Human Neuroblastoma SH‐SY5Y Cells by Santos Pereira, Rosângela, Vasconcelos Costa, Vivian, Luiz Menezes Gomes, Gabriel, Rodrigues Valadares Campana, Priscilla, Maia de Pádua, Rodrigo, Barbosa, Milton, Oki, Yumi, Heiden, Gustavo, Fernandes, Geraldo Wilson, Menezes de Oliveira, Djalma, Souza, Daniele G., Martins Teixeira, Mauro, Castro Braga, Fernão

“…Zika virus (ZIKV) infection is a global threat associated to neurological disorders in adults and microcephaly in children born to infected mothers. No vaccine…”
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Phytochemical Constituents Isolated from the Stem Bark of Bauhinia monandra by Ferrari, Jailton, Oliveira, Djalma Menezes de, Aragão, Nadia Machado

“…ABSTRACT The methanolic extract from stem bark of Bauhinia monandra, a medicinal plant employed in folk medicine, yielded by column chromatography…”
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Combined experimental powder X-ray diffraction and DFT data to obtain the lowest energy molecular conformation of friedelin by Oliveira, Djalma Menezes de, Mussel, Wagner da Nova, Duarte, Lucienir Pains, Silva, Grácia Divina de Fátima, Duarte, Hélio Anderson, Gomes, Elionai Cassiana de Lima, Guimarães, Luciana, Vieira Filho, Sidney A.

“…Friedelin molecular conformers were obtained by Density Functional Theory (DFT) and by ab initio structure determination from powder X-ray diffraction. Their…”
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A new method for the speciation of arsenic species in water, seafood and cigarette samples using an eggshell membrane by Santos, Luana Bastos, de Oliveira, Djalma Menezes, de Souza, Alexilda Oliveira, Lemos, Valfredo Azevedo

“…This work is based on the application of the eggshell membrane (ESM) of fresh chicken as a sorbent in a solid phase extraction procedure for arsenic speciation…”
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Alkaloidal metabolites from Aspergillus felis and their activities against Paracoccidioides brasiliensis by Mendes, Graziele, de Menezes Oliveira, Djalma, Kohlhoff, Markus, Rosa, Carlos Augusto, de Almeida Alves, Tânia Maria, Zani, Carlos Leomar, Rosa, Luiz Henrique, Johann, Susana, Barros Cota, Betania

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The triterpenes 3β-lup-20(29)-en-3-ol and 3β-lup-20(29)-en-3-yl acetate and the carbohydrate 1,2,3,4,5,6-hexa-O-acetyl-dulcitol as photosynthesis light reactions inhibitors by Menezes-de-Oliveira, Djalma, Aguilar, Maria-Isabel, King-Díaz, Beatriz, Vieira-Filho, Sidney Augusto, Pains-Duarte, Lucinier, Silva, Grácia-Divina de Fátima, Lotina-Hennsen, Blas

“…Three compounds were isolated from Maytenus acanthophylla Reissek (Celastraceae): the pentacyclic triterpenes lup-20(29)-en-3β-ol (lupeol, 1) and…”
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Chemical constituents isolated from roots of Maytenus acanthophylla Reissek (Celastraceae) by de Oliveira, Djalma Menezes, Silva, Grácia Divina de Fátima, Duarte, Lucienir Pains, Vieira Filho, Sidney Augusto

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Automation of continuous flow analysis systems – a review by Bezerra, Marcos Almeida, Lemos, Valfredo Azevedo, de Oliveira, Djalma Menezes, Novaes, Cleber Galvão, Barreto, Jeferson Alves, Alves, Juscelia Pereira Santos, Cerqueira, Uillian Mozart Ferreira da Mata, Santos, Queila Oliveira dos, Araújo, Sulene Alves

“…•Techniques for automation of continuous flow analysis systems.•Devices description highlighting their characteristics and applications.•Critical discussion of…”
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Application of principal component analysis for the evaluation of the chemical constituents of Mimosa tenuiflora methanolic extract by DLLME/GC–MS by Meira, Carla Larissa Costa, Novaes, Cleber Galvão, Novais, Franciele Castro, de Jesus, Vilisaimon da Silva, de Oliveira, Djalma Menezes, Aguiar, Rosane Moura

“…•Higher efficiency in the extraction of compounds from M. tenuiflora was obtained using dichloromethane as extractant solvent.•The new system stands out for…”
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Leishmanicidal compounds of Nectria pseudotrichia , an endophytic fungus isolated from the plant Caesalpinia echinata (Brazilwood) by Cota, Betania Barros, Tunes, Luiza Guimarães, Maia, Daniela Nabak Bueno, Ramos, Jonas Pereira, Oliveira, Djalma Menezes de, Kohlhoff, Markus, Almeida Alves, Tânia Maria de, Souza-Fagundes, Elaine Maria, Campos, Fernanda Fraga, Zani, Carlos Leomar

“…BACKGROUND In a screen of extracts from plants and fungi to detect antileishmanial activity, we found that the ethyl acetate extract of the fungus Nectria…”
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Method Using Liquid-Liquid Microextraction in a Dynamic System for Preconcentration and Determination of Lead in Food Samples by Menezes, Rebeca Moraes, Oliveira, Rafael Vasconcelos, de Oliveira, Djalma Menezes, Lemos, Valfredo Azevedo

“…In this paper, a method using liquid-liquid microextraction in a dynamic system combined with spectrophotometry was developed for preconcentration and…”
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β-Carboline Glucoalkaloids from Psychotria cupularis and Evaluation of Their Antileishmanial Activity by Barreto, Ivan Martins, Moreira, Paulo Otávio Lourenço, de Macedo, Guadalupe Edilma Licona, Maia, Daniela Nabak Bueno, de Almeida Alves, Tânia Maria, de Oliveira, Djalma Menezes, Cota, Betania Barros

“…Purification of the crude ethanol extracts from leaves and stems of Psychotria cupularis (Müll.Arg.) Standl., Rubiaceae, resulted in the isolation of the known…”
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Promising antifungal activity of Croton tricolor stem essential oil against Candida yeasts by Miranda, Fabrício Mendes, Braga do Nascimento Junior, Baraquizio, Aguiar, Rosane Moura, Pereira, Rafael Santos, De Oliveira Teixeira, Adonias, De Oliveira, Djalma Menezes, Lima, Edeltrudes de Oliveira, Oigman, Silvia Siag, de Rezende, Cláudia Moraes, Froldi, Guglielmina

“…The aim of this research was to determine the phytoconstituents of the essential oil (EO) obtained from stems of Croton tricolor and to study its antifungal…”
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Platypodiol a novel clerodane diterpene from Baccharis platypoda by de Souza Moreira, Carolina Paula, de Oliveira, Djalma Menezes, dos Santos, Claudia Nunes, Zani, Carlos Leomar, Alves, Tania Maria de Almeida

“…[Display omitted] There is an urgent need for effective leishmanicidal drugs to replace or supplement those in current use. Our group has been bioprospecting…”
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Photoprotective property and cytotoxicity of polar extracts of three species of Maytenus native to the Southwest of Bahia by Pereira, Rosângela Santos, Pereira, Rafael Santos, Aguiar, Rosane Moura, Lemos, Gisele da Silveira, Vieira Filho, Sidney Augusto, De Oliveira, Djalma Menezes

“…Maytenus acanthophylla, M. rigida and M. truncata (Celastraceae) are used in the traditional medicine of Chapada Diamantina and Southwest Bahia, Brazil. The…”
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New cassane diterpenes from Caesalpinia echinata by Cota, Betania Barros, de Oliveira, Djalma Menezes, de Siqueira, Ezequias Pessoa, Souza-Fagundes, Elaine Maria, Pimenta, Adriano M.C., Santos, Daniel M., Rabello, Ana, Zani, Carlos Leomar

“…An investigation of the ethanolic extract from stems of Caesalpinia echinata Lam (Leguminosae-Caesalpinioideae) led to the isolation of five new cassane…”
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Conformational study of 3β,16β-dihydroxyfriedelane by NMR and ab initio calculations by de Oliveira, Djalma Menezes, de F. Silva, Grácia D., Duarte, Lucienir P., Vieira Filho, Sidney A., Guimarães, Luciana, Duarte, Hélio A., de Souza, Edward

“…The complete chemical shift assignments of 3β,16β-dihydroxyfriedelane, a natural compound isolated from the hexane extract of Maytenus acanthophylla leaves was…”
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The Triterpenes 3[beta]-Lup-20(29)-en-3-ol and 3[beta]-Lup-20(29)-en-3-yl Acetate and the Carbohydrate 1,2,3,4,5,6-Hexa-O-acetyl-dulcitol as Photosynthesis Light Reactions Inhibitors by Menezes-de-Oliveira, Djalma, Aguilar, Maria-Isabel, King-Díaz, Beatriz, Vieira-Filho, Sidney Augusto, Pains-Duarte, Lucinier, Silva, Gracia-Divina de Fatima, Lotina-Hennsen, Blas

“…Three compounds were isolated from Maytenus acanthophylla Reissek (Celastraceae): the pentacyclic triterpenes lup-20(29)-en-3β-ol (lupeol, 1) and…”
Get full text