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Mostrando 1-12 de 803 artigos, teses e dissertações.
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1. Diversity of the diterpenes in the leaves of Xylopia laevigata (Annonaceae) and their cytotoxicities
The phytochemical investigation of the hexane extract which was obtained from the leaves of Xylopia laevigata (Annonaceae) produced six terpenes. Among these, five diterpenes named abieta-7,13-dien-3-one, ent-7β-acetoxy-16β-hydroxy-kaurane, 4-epi-cupressic acid, powerol, and labdorffianic acid B, and one oxygenated sesquiterpene, spathulenol. This is the f
Quím. Nova. Publicado em: 2020-04
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2. O PAPEL DA TRADUÇÃO INTERSEMIÓTICA PARA A LEGENDAGEM DE SÉRIES: ANALISANDO AS FALAS DE LADY VIOLET NA 1T DE DOWNTON ABBEY
Resumo Buscando contribuir para as práticas de legendagem, este artigo é um recorte de uma pesquisa desenvolvida no Programa de PósGraduação em Linguagem e Ensino da Universidade Federal de Campina Grande. O estudo analisa a influência da Tradução Intersemiótica sobre a legendagem de falas da personagem Lady Violet Crawley, na série Downton Abbey.
Cad. Trad.. Publicado em: 25/11/2019
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3. Evaluating antimicrobial and antioxidant capacity of endemic Phlomis russeliana from Turkey and its antiproliferative effect on Human Caco-2 Cell Lines
Abstract: In this study, the antimicrobial, antioxidant and antitumor activity of ethanol extracts obtained from Phlomis russeliana (Sims.) Lag. ex Benth. (Lamiaceae) were evaluated. Disc diffusion and microdilution methods were used to test the extracts for antimicrobial activity against seven bacteria strains (Bacillus cereusATCC 7064, Bacillus subtilisATC
An. Acad. Bras. Ciênc.. Publicado em: 29/07/2019
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4. Production line performance analysis within a MTS/MTO manufacturing framework: a queueing theory approach
Abstract Paper aims Mixing the Make-To-Stock (MTS) and Make-To-Order (MTO) strategies to benefit from the both manufacturing systems in an environment with impatient customers. Originality This is the first research article which uses the queuing theory to find the best place of the Order Penetration Point (OPP) in a production line with impatient custom
Prod.. Publicado em: 23/07/2018
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5. Película biodegradable de almidón de maíz termoplástico y quitosano con actividad antimicrobiana empleada como envase activo
ABSTRACT One of the research lines related to active packaging takes into account the incorporation of antimicrobial agents such as chitosan, a polysaccharide derived from the crustaceans’ exoskeleton. However, because of chitosan high molar mass, its diffusion from the package to the food surface is restricted, so the use of oligomers is an interesting bu
Matéria (Rio J.). Publicado em: 19/07/2018
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6. NEW SEMISYNTHETIC DERIVATIVES OF A BENZYLISOTHIOCYANATE ISOLATED FROM Moringa oleifera AND EVALUATION OF THEIR CYTOTOXIC ACTIVITY
From the natural product 4-(4'-O-acetyl-α-L-rhamnosyloxy)benzylisothiocyanate (1), isolated from the flowers of Moringa oleifera Lam (Moringaceae), four new semisynthetic derivatives, N-[4-(4'-O-acetyl-α-L-rhamnosyloxy)benzyl]-2-(pyridinil-4-carbonil)hydrazine-1-carbothioamide (3), 4-(4'-O-acetyl-2',3'-dimesyloxy-α-L-rhamnosyloxy)benzylisothiocyanate (4),
Quím. Nova. Publicado em: 2017-10
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7. Light curing in dentistry and clinical implications: a literature review
Abstract Contemporary dentistry literally cannot be performed without use of resin-based restorative materials. With the success of bonding resin materials to tooth structures, an even wider scope of clinical applications has arisen for these lines of products. Understanding of the basic events occurring in any dental polymerization mechanism, regardless of
Braz. oral res.. Publicado em: 28/08/2017
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8. An overview about oxidation in clinical practice of skin aging
Abstract Free radicals are unstable chemical species, highly reactive, being formed by cellular entities of different tissues. Increased production of these species without proper effective action of endogenous and exogenous antioxidant systems, generates a condition of oxidative stress, potentially provider of skin disorders that extend from functional impa
An. Bras. Dermatol.. Publicado em: 2017-06
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9. Tropical Fruit Pulps: Processing, Product Standardization and Main Control Parameters for Quality Assurance
ABSTRACT Fruit pulp is the most basic food product obtained from fresh fruit processing. Fruit pulps can be cold stored for long periods of time, but they also can be used to fabricate juices, ice creams, sweets, jellies and yogurts. The exploitation of tropical fruits has leveraged the entire Brazilian fruit pulp sector due mainly to the high acceptance of
Braz. arch. biol. technol.. Publicado em: 11/05/2017
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10. Relevance of brands and beef quality differentials for the consumer at the time of purchase
ABSTRACT The objective of this study was to identify the purchase habits and preferences of beef consumers, their level of knowledge on brands and products with quality differentials (certifications, packaging, premium lines), and the relevance of different attributes in the purchase decision, and to group consumers according to the profile of purchase decis
R. Bras. Zootec.. Publicado em: 2017-04
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11. Synthetic Analogue of the Natural Product Piperlongumine as a Potent Inhibitor of Breast Cancer Cell Line Migration
Piperlongumine is a natural amide alkaloid isolated from several species of Piper and is described in the literature as selectively cytotoxic to several cancer cell lines. Inhibiting cell migration has gained considerable interest as an approach for discovering antimetastatic agents because this process is fundamental to metastasis. Piperlongumine, selected
J. Braz. Chem. Soc.. Publicado em: 2017-03
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12. Application of an Ionic Liquid in the Microwave Assisted Extraction of Cytotoxic Metabolites from Fruits of Schinus terebinthifolius Raddi (Anacardiaceae)
This work reports the application of an ionic liquid (1-butyl-3-methylimidazolium bromide, BMImBr) in the microwave assisted extraction (MAE) of metabolites from fruits of Schinus terebinthifolius. Dried fruits were individually extracted using BMImBr:H2O 1:1, v/v (experiment 1) and pure H2O (experiment 2) by MAE (10 min at 60 ºC). After partition using EtO
J. Braz. Chem. Soc.. Publicado em: 2017-03