Search Results - "Pamplona, Sônia"
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Putative Identification of New Phragmaline-Type Limonoids from the Leaves of Swietenia macrophylla King: A Case Study Using Mass Spectrometry-Based Molecular Networking
Published in Molecules (Basel, Switzerland) (01-11-2023)“…Swietenia macrophylla King is a plant commonly known as Brazilian mahogany. The wood from its stem is highly prized for its exceptional quality, while its…”
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Antiviral Plants from Marajó Island, Brazilian Amazon: A Narrative Review
Published in Molecules (Basel, Switzerland) (24-02-2022)“…Diseases caused by viruses are a global threat, resulting in serious medical and social problems for humanity. They are the main contributors to many minor and…”
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Chemical Composition of Leaves, Stem, and Roots of Peperomia pellucida (L.) Kunth
Published in Molecules (Basel, Switzerland) (11-03-2022)“…is a species known in the Amazon as "erva-de-jabuti" that has been used in several therapeutic applications based on folk medicine. Herein, we describe the…”
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Untargeted-based metabolomics analysis and in vitro/in silico antiviral activity of extracts from Phyllanthus brasiliensis (Aubl.) Poir
Published in Phytochemical analysis (01-10-2023)“…This study describes the molecular profile and the potential antiviral activity of extracts from Phyllanthus brasiliensis, a plant widely found in the…”
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Feature-Based Molecular Network-Guided Dereplication of Natural Bioactive Products from Leaves of Stryphnodendron pulcherrimum (Willd.) Hochr
Published in Metabolites (29-04-2021)“…is a species known to have a high content of tannins. Accordingly, its preparations are used in southern Pará, Brazil, for their anti-inflammatory and…”
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Characterization of a tetrameric proanthocyanidin in Stryphnodendron pulcherrimum and an overview on potential health benefits of condensed tannins via interaction with gut microbiota
Published in Journal of functional foods (01-10-2023)“…[Display omitted] •A tetrameric condensed tannin of (epi)catechin-(epi)gallocatechin was described for the first time in the barks from Stryphnodendron…”
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Phragmalin Limonoids from Swietenia macrophylla and Their Antifeedant Assay against Mahogany Predator
Published in Journal of the Brazilian Chemical Society (01-08-2018)“…The purification of the hexanic extract from the leaves of a native variety of mahogany collected in Santarém (Pará, Brazil) afforded eight new phragmalin…”
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Antibacterial Activity from Momordica charantia L. Leaves and Flavones Enriched Phase
Published in Pharmaceutics (26-08-2022)“…L. (Cucurbitaceae) is a plant known in Brazil as "melão de São Caetano", which has been related to many therapeutic applications in folk medicine. Herein, we…”
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Constituents of Chamaecrista diphylla (L.) Greene Leaves with Potent Antioxidant Capacity: A Feature-Based Molecular Network Dereplication Approach
Published in Pharmaceutics (10-05-2021)“…Chamaecrista diphylla (L.) Greene (Fabaceae/Caesalpiniaceae) is a herbaceous plant that is widely distributed throughout the Americas. Plants from this genus…”
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In Vitro Cytoprotective Effects and Antioxidant Capacity of Phenolic Compounds from the Leaves of Swietenia macrophylla
Published in Molecules (Basel, Switzerland) (16-10-2015)“…Swietenia macrophylla (mahogany) is a highly valued timber species, whereas the leaves are considered to be waste product. A total of 27 phenolic compounds…”
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Margaritaria nobilis L.F. (Phyllanthaceae): Ethnopharmacology and Application of Computational Tools in the Annotation of Bioactive Molecules
Published in Metabolites (25-07-2022)“…Margaritaria nobilis is a shrubby species widely distributed in Brazil from the Amazon to the Atlantic Rainforest. Its bark and fruit are used in the Peruvian…”
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The Roots of Deguelia nitidula as a Natural Antibacterial Source against Staphylococcus aureus Strains
Published in Metabolites (08-11-2022)“…(Benth.) A.M.G.Azevedo & R.A.Camargo (Fabaceae) is an herbaceous plant distributed in the Brazilian Amazon, and it is called "raiz do sol" (sun roots). On…”
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Special issue on the current trends in E-learning Assessment
Published in Journal of computing in higher education (01-04-2020)“…In this full review paper, the recent emerging trends in E-learning Assessment have been reviewed and explored to address the recent topics and contributions…”
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An Approach to Discover Students' Conceptions in Online Computing Education: A Case Study of Students' Understanding of Virtual Memory
Published in IEEE access (2024)“…This study presents a new approach for discovering conceptions among online computer science students. The research objectives were 1) to discover students'…”
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Ethnopharmacology, phytochemistry and pharmacology: a successful combination in the study of Croton cajucara
Published in Journal of ethnopharmacology (01-04-2000)“…Phytochemical and pharmacological studies of Croton cajucara were oriented by traditional medicine. The stem bark of the mature plant is a rich source of…”
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Assessing prior knowledge of statistics in students attending an online university
Published in Journal of computing in higher education (01-04-2020)“…This study analyzes the relationship between the entry path to a degree and the prior statistical competence of students taking a Statistics and Probability…”
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Anti-tumour activity of two 19-nor-clerodane diterpenes, trans-dehydrocrotonin and trans-crotonin, from Croton cajucara
Published in Planta medica (01-12-1999)“…The effects of two nor-diterpenes, trans-dehydrocrotonin (DCTN) and trans-crotonin (CTN) from Croton cajucara (Euphorbiaceae), on the survival of mice bearing…”
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First report of phenolic compounds isolated from Inga stipularis DC. (fabaceae) leaves
Published in Natural product research (01-07-2023)“…Several species of the genus are used by Amazonian indigenous communities to treat injuries, pain and inflammations, which is directly related to the presence…”
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A Systematic Map for Improving Teaching and Learning in Undergraduate Operating Systems Courses
Published in IEEE access (2018)“…Operating Systems (OS) is an important area of knowledge included in virtually all undergraduate computing curricula and in some engineering curricula as well…”
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Anti-Inflammatory and Antinociceptive Studies of Hydroalcoholic Extract from the Leaves of Phyllanthus brasiliensis (Aubl.) Poir. and Isolation of 5- O -β-d-Glucopyranosyljusticidin B and Six Other Lignans
Published in Molecules (Basel, Switzerland) (18-04-2018)“…The aim of this study was to investigate the chemical composition and the antiinflammatory/antinociceptive properties of the hydroalcoholic extract derived…”
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