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1421
Antileishmanial Activity of Warifteine: A Bisbenzylisoquinoline Alkaloid Isolated from Cissampelos sympodialis Eichl. (Menispermaceae)
Published 2012-01-01“…(Menispermaceae), a plant commonly used for the treatment of various diseases in Brazilian folk medicine. Using the purified warifteine, the 50% inhibitory concentration (IC50) was determined at 0.08 mg/mL after 72 h in culture, inducing significant changes in the parasite morphology, like aberrant multisepted forms and blebs in the plasma membrane. …”
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1422
Genotoxic Potential and Physicochemical Parameters of Sinos River, Southern Brazil
Published 2013-01-01“…Water quality analysis demonstrated values above those described in Brazilian legislation in Parobé and Sapucaia do Sul sites, located in the middle and in the lower courses of the Sinos River, respectively. …”
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1423
A construção social da qualidade na produção agroalimentar: o caso do arroz "Amigo do Taim"1
Published 2020-01-01“…The article analyzes the trajectory that culminated in the creation of organic rice "Amigo do Taim", revealing the nature ofthe social ties that were being woven to develop a unique process of social construction of quality in a specifíc region ofRio Grande do Sul, in the close to one ofthe main natural reserves of this Brazilian state, the Taim Ecological Sta-tion. The initiative came amid the search for economic viability for a group of families settled in the extreme south of the state of Rio Grande do Sul. …”
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1424
Calibration Method for Confocal X-Ray Microanalysis with Polychromatic Excitation
Published 2015-01-01“…The developed calibration method was applied for a confocal spectrometer implemented in the Brazilian Synchrotron Radiation Source (LNLS) with white beam. …”
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1425
Predisposing Factors for Pseudoplacentational Endometrial Hyperplasia or Cystic Endometrial Hyperplasia in Dogs and Their Association with Pyometra
Published 2024-12-01“…PEH was significantly more frequent in dogs between 4 and 12 years of age and significantly less frequent in Yorkshires than Shih-tzus, as well as in the breed group that includes Brazilian Terriers and Yorkshires. CEH was significantly more frequent in dogs older than 12 years, but no breed predisposition was observed. …”
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1426
Gênero e raça no trabalho em tecnologia da informação (TI)
Published 2016-01-01“…The main data sources come from databases of the Brazilian government (Census, PNAD, RAIS), but also from academic production concerned with IT work, primarily in the sociology of work, economics and scientific policy issues. …”
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1427
Entamoeba histolytica: Gene Expression Analysis of Cells Invading Tissues
Published 2014-01-01“…In this study we used the differential display to select gene segments related to invasiveness of amoeba. One Brazilian strain of E. histolytica in two conditions, able or not to cause lesions in experimental animals, was used. …”
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1428
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1429
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1430
Effects of Multipolar Radiofrequency and Pulsed Electromagnetic Field Treatment for Face and Neck Rejuvenation
Published 2017-01-01“…The combined multipolar radiofrequency and pulsed electromagnetic field device is effective and safe for treatment of aged skin in Brazilian patients.…”
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1431
Seroprevalence and Seroconversion of Dengue and Implications for Clinical Diagnosis in Amazonian Children
Published 2014-01-01“…We conducted a population-based study between 2010 and 2011, with children aged 6 months to 12 years that were living in the urban area of a small town in the Brazilian Amazon. The prevalence of IgG antibodies against dengue antigens was determined by indirect ELISA technique, and seronegative children were reexamined after 12 months to determine seroconversion rates. …”
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1432
A Multicomponent Particle Model and Linear Fitting Calibration Method for Heterogeneous Rocks
Published 2019-01-01“…Uniaxial compression, triaxial compression, and Brazilian tests are carried out in the lab. The failure pattern and stress-strain curves are obtained from numerical simulations and verified with those observed in the experiments. …”
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1433
Reappraisal and neotypification of Phyllachora feijoae
Published 2012-06-01“…The name Catacauma feijoae, although now regarded as a later synonym of P. feijoae is still mistakenly in use (as, for instance, in the Brazilian list of fungi on plants). The type specimen was most probably deposited in the Botanisches Garten und Museum Berlin-Dahlem (B) and lost or destroyed during World War II, and could not be located. …”
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1434
Genetic Diversity and Population Differentiation of the Causal Agent of Citrus Black Spot in Brazil
Published 2012-01-01“…Despite the fact that the fungus and the disease are well studied, little is known about the genetic diversity and the structure of the fungi populations in Brazilian orchards. The objective of this work was study the genetic diversity and population differentiation of G. citricarpa associated with four sweet orange varieties in two geographic locations using DNA sequence of ITS1-5.8S-ITS2 region from fungi isolates. …”
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1435
Chemical Composition, Antifungal, and Cytotoxicity Activities of Inga laurina (Sw.) Willd Leaves
Published 2019-01-01“…The species Inga laurina is native to the Brazilian Cerrado. There are no studies about the chemical composition and biological activities of extracts of this endangered species. …”
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1436
Elderly in the state of co-residence in a town in State Bahia, Brazil
Published 2015-04-01“…The study elderly subjects are mostly female, with low education level, survive with up to one Brazilian minimum wage and consider themselves happy with life and with the other participants in co-residence. …”
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1437
It's not always easy to buy the idea: strategies, perceptions, and implications of learner-centered teaching in coach education
Published 2025-01-01“…IntroductionThe study aims to investigate the development of a learner-centered teaching (LCT), a constructivist-based proposal focused on the learner and the learning process, in a university-based coach education program (CEP) through an action research (AR) approach.MethodsParticipants were six students, the researcher and the professor of a Sport Pedagogy course of a public Brazilian university. The classes were taught in a collaborative way between the professor and the researcher, and rubrics were used to guide the LCT development process.Results and discussionThe proposal was developed gradually and progressively in the course, through diversified teaching strategies that prioritized student interaction and reflection. …”
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1438
Experimental Evaluation of the Pathogenicity of Different Strains of Schistosoma mansoni
Published 2012-01-01“…The pathogenesis of three different Schistosoma mansoni strains from the Brazilian states of Minas Gerais (BH strain) and São Paulo (SJ and SD strains) was evaluated in experimentally infected mice. …”
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1439
From the Criminalization of Substances to the “War on Drugs” Policy: A Century of Prohibitionism in Brazil
Published 2024-06-01“…A systematic analysis of national and international legislation reveals that the prohibitionist enterprise was successful in Brazil due to two factors: i) as an ideational set, it was integrated into structuring discursive fields of Brazilian political culture, dialoguing with the stigmatization of marginalized populations and criminalization of their practices; and ii) as an ordering principle of public policy, it has demonstrated remarkable resilience and adaptability, incorporating elements of alternative models into its framework without compromising its fundamental structures. …”
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1440
Tempos modernos?
Published 2005-01-01“…All these changes entailed a reduction in the role of the state, which has caused the establishment and growth of instability and fragility in the lives of Brazilian workers. Paradoxically, the governmental agenda has changed its priorities. …”
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