Mostrando 241 - 260 Resultados de 2,300 Para Buscar '"Venezuela"', tiempo de consulta: 0.22s Limitar resultados
  1. 241
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  3. 243
    “…In order to gain insight into the degree of genetic variability, rates and patterns of evolution of this genotype in Venezuela and the South American region, phylogenetic analysis, based on a large number (n = 119) of envelope gene sequences from DENV-3 genotype III strains isolated in Venezuela from 2001 to 2008, were performed. …”
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  4. 244
    “…In order to test this pattern in tropical environments, ant richness and relative abundance variation were evaluated along 35 km of an aridity gradient in the Araya Peninsula, state of Sucre, Venezuela. Three sampling stations comprising five transects each were set up. …”
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  5. 245
    por Gonzalez, Clara I., Rosendo, Oswaldo
    Publicado 2013
    “…The present on-farm research evaluated the occurrence of fatty liver syndrome and its predisposing risk factors for multiparous dairy cows from a commercial herd in Venezuela. Liver biopsy samples were collected at 35 days (d) prepartum (Holstein, n = 14; Holstein × Carora crossbred, n = 17) as well as 1 to 7 d (Holstein, n = 8; Holstein × Carora crossbred, n = 11) and 28 to 35 d (Holstein, n = 6; Holstein × Carora crossbred, n = 14) postpartum in order to analyse hepatic triacylglycerols (TAG, % wet basis) and glycogen concentrations. …”
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  6. 246
    “…This plasmid, pBF3 integrates efficiently in S. coelicolor and S. lividans but surprisingly fails to generate stable integrants in S. venezuelae, the natural host for phage SV1. CONCLUSION: pBF3 promises to be a useful addition to the range of integrating vectors currently available for Streptomyces molecular genetics.…”
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  7. 247
    “…BACKGROUND: Asthma affects mainly Venezuela’s urban and poor majority. Exacerbations bring about a high demand in health services, thus becoming a significant public health problem. …”
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  8. 248
    “…PATIENTS AND METHODS: This prospective study was performed at CECLINES in Caracas, Venezuela, between January 2011 and October 2012. It involved 107 consecutive patients in two groups: 52 patients with level II OPS versus 55 patients with ‘standard’ BCS (SBCS). …”
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  9. 249
    por Herrera, Leidi
    Publicado 2014
    “…This mini-review describes specific parasite niches, such as plant communities or biological corridors between domestic and wild landscapes, in order to help identify risk factors for ChD and define the boundaries between wild and domestic transmission cycles, with an emphasis on research undertaken in Venezuela.…”
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  10. 250
    “…In 2011, as part of VWA, Venezuela targeted children aged less than 6 years in 25 priority border municipalities using social mobilization to increase institution-based vaccination. …”
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  11. 251
    “…Unlike the classical model species, Streptomyces coelicolor, S. venezuelae sporulates in liquid, allowing the application of microfluidic growth chambers to cultivate and microscopically monitor the cellular development and differentiation of S. venezuelae over long time periods. …”
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  12. 252
  13. 253
    “…Comparative transcriptional profiling of a ΔbldM mutant of Streptomyces venezuelae with its unmodified progenitor revealed that the expression of a cryptic biosynthetic gene cluster containing both type I and type III polyketide synthase genes is activated in the mutant. …”
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  14. 254
    “…We aimed to gain insight into reasons for vaccine acceptance or rejection among Warao Amerindians in Venezuela. METHODS: Based on records of vaccine acceptance or refusal, in-depth interviews with 20 vaccine-accepting and 11 vaccine-declining caregivers were performed. …”
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  15. 255
    “…We estimate these effects in trial of insecticide-treated materials against the dengue mosquito vector, Aedes aegypti, in Venezuela, the endpoint being the Breteau index. We use a novel random effects Poisson spatial regression model. …”
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  16. 256
    “…-McTeag., gen. nov., is described as a new member of Euphorbiaceae tribe Plukenetieae subtribe Tragiinae, to accommodate Tragiaguayanensis, a species known from western Amazonas, Venezuela and, newly reported here, from Amazonas, Brazil. …”
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  17. 257
    “…They are considered neglected diseases that stand out as important causes of morbidity and mortality in various countries, including Venezuela. OBJECTIVE: To assess mortalities resulting from contact with venomous animals in Venezuela from 2000 to 2009 (X20-X29 series). …”
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  18. 258
    “…METHODS: Here, we combined camera trap surveys and spatially explicit interview dataset on Pemón indigenous hunting scope and occurrence in a mosaic of savanna and forest in the Gran Sabana, Venezuela to evaluate to what extent the wildlife resource use corresponds to Garden Hunting hypothesis. …”
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  19. 259
    “…Findings suggest that Venezuelan migrants are facing complex SGBV issues during the humanitarian emergency at the Colombia-Venezuela border. Recommendations include local health systems response teams, governments and host communities working together to address early access to prevention, healthcare, and protection services for the survivors of SGBV; eliminating barriers in access to essential and comprehensive equity-oriented healthcare services; developing the skills and capacities of healthcare services professionals around the proper management of SGBV; and countering misinformation, lowering the stigma associated with migrants in host communities, and broadening migrant´s perceptions of SGBV, gender roles, and xenophobia.…”
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  20. 260
    por Andrade, G.
    Publicado 2022
    “…CONCLUSION: In order to curb Covid-19 vaccine hesitancy, public health authorities in Venezuela need to focus efforts on marginalized ethnic groups, Protestants, and those with lower levels of education.…”
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