Search Results - "Pessoa, Otilia D.L."
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Magnetic Hybrid Wax Nanocomposites as Externally Controlled Theranostic Vehicles: High MRI Enhancement and Synergistic Magnetically Assisted Thermo/Chemo Therapy
Published in Chemistry : a European journal (06-04-2020)“…To fight against cancer, smarter drugs and drug delivery systems are required both to boost the efficiency of current treatments while reducing deleterious…”
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Amphidinolide P from the Brazilian octocoral Stragulum bicolor
Published in Revista brasileira de farmacognosia (01-11-2015)“…Chemical analysis of the octocoral Stragulum bicolor and its prey the nudibranch Marionia limceana revealed higher concentrations of amphidinolide P (1) and…”
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3
In vitro and in vivo antiproliferative activity of Calotropis procera stem extracts
Published in Anais da Academia Brasileira de Ciências (01-06-2010)“…The cytotoxic potential of stem organic extracts from Calotropis procera (Asclepiadaceae) was firstly evaluated against cancer cell lines by MTT assay…”
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Nematicidal and larvicidal activities of the essential oils from aerial parts of Pectis oligocephala and Pectis apodocephala Baker
Published in Anais da Academia Brasileira de Ciências (01-06-2007)“…The chemical composition of the essential oils from aerial parts of Pectis apodocephala and Pectis oligocephala were analyzed by GC-MS. The essential oils of…”
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5
Analgesic and anti-inflammatory activities of a fraction rich in oncocalyxone A isolated from Auxemma oncocalyx
Published in Phytomedicine (Stuttgart) (2004)“…In the present work we studied the antinociceptive and antiedematogenic effects of a quinone fraction (QF) isolated from the heartwood of Auxemma oncocalyx…”
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Chemical profiling of secondary metabolites from Himatanthus drasticus (Mart.) Plumel latex with inhibitory action against the enzymes α-amylase and α-glucosidase: In vitro and in silico assays
Published in Journal of ethnopharmacology (10-05-2020)“…Himatanthus drasticus is an important medicinal plant whose latex is traditionally used in Northeast Brazil to treat various diseases, including diabetes. The…”
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High-performance liquid chromatographic analysis of bioactive quinones from Auxemma glazioviana
Published in ARKIVOC (02-08-2004)Get full text
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Insecticidal Compound from Himatanthus drasticus Latex against Cowpea Infestation by Callosobruchus maculatus (Coleoptera: Chrysomelidae)
Published in Journal of agricultural and food chemistry (05-05-2021)“…Vigna unguiculata is an important source of proteins and energy for humans and animals. However, postharvest losses caused by Callosobruchus maculatus can…”
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Anthracene derivatives from Auxemma oncocalyx
Published in Phytochemistry (Oxford) (01-12-2000)“…Three anthracene derivatives, auxenone, oncocalyxonol and auxemim, were isolated from Auxemma ontocalyx. The structures of these compounds as…”
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10
Preliminary Evaluation of Novel Triglyceride-Based Nanocomposites for Biomedical Applications
Published in Journal of the Brazilian Chemical Society (01-08-2017)“…This work describes the development and characterization of triglyceride-based magnetic nanocomposites for application in magnetic hyperthermia and controlled…”
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Marine Streptomyces sp. Isolated From the Brazilian Endemic Tunicate Euherdmania sp. Produces Dihydroeponemycin and Analogs With Potent Antiglioma Activity
Published in Frontiers in Marine Science (03-05-2021)“…Marine natural products have emerged as an important source for drug development, notably in the field of anticancer therapy. Still, the limited effectiveness…”
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12
Cytotoxicity of derivatives of oncocalyxone A from Auxemma oncocalyx Taub
Published in ARKIVOC (05-08-2004)Get full text
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Constituents of the essential oil of Capraria biflora from northeast Brazil
Published in The Journal of essential oil research (01-03-2006)“…The essential oil from the fresh leaves of Capraria biflora (Scrophulariaceae), obtained by hydrodistillation processs, was analyzed by GC and GC/MS. Nine…”
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14
Starch-based magnetic nanocomposite for targeted delivery of hydrophilic bioactives as anticancer strategy
Published in Carbohydrate polymers (15-07-2021)“…[Display omitted] •Starch-based magnetic nanocapsules were successfully synthesized for drug delivery.•A core-shell morphology was obtained, with an average…”
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Semisynthesis, in silico study and in vitro antibacterial evaluation of fucosterol derivatives
Published in Steroids (01-01-2023)“…[Display omitted] •Thirteen fucosterol derivatives were prepared.•Antibacterial activity was evaluated against Gram(+) and Gram(-) bacterial strains.•The most…”
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Quinones from plants of northeastern Brazil: structural diversity, chemical transformations, NMR data and biological activities
Published in Natural product research (20-05-2007)“…The present review focus in quinones found in species of Brazilian northeastern Capraria biflora, Lippia sidoides, Lippia microphylla and Tabebuia…”
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Withaferin A and Withanolide D Analogues with Dual Heat-Shock-Inducing and Cytotoxic Activities: Semisynthesis and Biological Evaluation
Published in Journal of natural products (Washington, D.C.) (27-04-2018)“…Withanolides constitute a valuable class of bioactive natural products because some members of the class are known to exhibit cytotoxic activity and also…”
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Anti-Inflammatory Meroterpenoids of Cordia glazioviana (Boraginaceae)
Published in Journal of the Brazilian Chemical Society (01-07-2021)“…The phytochemical reinvestigation from the heartwood of the extracts of Cordia glazioviana led to the isolation of four still undescribed hydroquinones…”
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Dextrorotatory Chromomycins from the Marine Streptomyces sp. Associated to Palythoa caribaeorum
Published in Journal of the Brazilian Chemical Society (2020)“…A Streptomyces sp. (BRA-384) was selected among nine strains of bacteria isolated from the zoanthids Palythoa caribaeorum due to the high cytotoxic activity…”
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Endophytic fungus Pseudofusicoccum stromaticum produces cyclopeptides and plant-related bioactive rotenoids
Published in RSC advances (17-10-2018)“…In the present study, we integrated liquid chromatography high-resolution mass spectrometry (LC-HRMS) and high-throughput DNA sequencing for prospecting…”
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