Results 61 to 70 of about 396,836 (261)

La eficacia de la vacunación en la prevención de la fiebre amarilla en Colombia

open access: yesRevista de la Facultad de Medicina, 1944
La introducción de la vacuna contra la fiebre amarilla trajo como consecuencia la eliminación de las infecciones con el mismo virus, ocurridas en el laboratorio entre el personal de la División Sanitaria Internacional de la Fundación Rockefeller. Además,
John C. Bugher, Augusto Gast-Galvis
doaj  

Elaboración del manual de química inorgánica y guia de tratamiento de residuos peligrosos (RESPEL) [PDF]

open access: yes, 2012
La química cumple un papel importante en la vida del hombre a nivel personal e industrial por sus múltiples campos de acción tales como la orgánica , inorgánica, fisicoquímica, bioquímica y química analítica, el presente estudio se centrará en la química
Echeverry L., Luisa Fernanda   +1 more
core  

An embedded system for evoked biopotential acquisition and processing [PDF]

open access: yes, 2014
This work presents an autonomous embedded system for evoked biopotential acquisition and processing. The system is versatile and can be used on different evoked potential scenarios like medical equipments or brain computer interfaces, fulfilling the ...
Garcia, Pablo Andres   +2 more
core   +2 more sources

Revisiting the Association of Pesticide Exposure and Parkinson's Disease: Systematic Review and Meta‐Analysis

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT The association between pesticide exposure and Parkinson's disease (PD) is substantial, but heterogeneity in methodology and lack of categorization according to the type of exposure and pesticide classes in previous meta‐analyses impair the interpretation of data. This study aims to update evidence of the association between pesticide exposure
Pedro Henrique Passos da Silva   +6 more
wiley   +1 more source

Los fundamentos curriculares del Liceo Laboratorio Emma Gamboa: construcción teórica a partir de una investigación participativa

open access: yesActualidades Investigativas en Educación, 2002
Este artículo presenta los fundamentos teóricos del Proyecto Pedagógico del Liceo Laboratorio Emma Gamboa elaborados por las investigadoras a partir de una reflexión teórica que retoma la visión y la misión con las que se creó el Liceo, la percepción y ...
Jacqueline García Fallas   +3 more
doaj   +1 more source

Assessment of Oxidative Stress, Vitellogenin, and Human Health Risks Derived From Nile Tilapia Exposed to Metals and Metalloids in Southeastern Brazil

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Urban coastal lagoons are highly vulnerable ecosystems increasingly affected by metal contamination, as well as multiple anthropogenic stressors. This study evaluated ecotoxicological and human health risks associated with chronic metal exposure in Nile tilapia (Oreochromis niloticus) from an anthropogenically impacted lagoon in southeastern ...
Julia Araújo Alves   +8 more
wiley   +1 more source

Report of the Inter-American Tropical Tuna Commission for the year 1952 [PDF]

open access: yes, 1953
ENGLISH: The Inter-American Tropical Tuna Commission, established by a Convention between the United States and Costa Rica, has as its purpose the collection and interpretation of information which will facilitate maintaining, at levels of maximum ...

core  

Proapoptotic and antiinvasive activity of Rac1 small molecule inhibitors on malignant glioma cells [PDF]

open access: yes, 2014
Malignant gliomas are characterized by an intrinsic ability to invade diffusely throughout the normal brain tissue. This feature contributes mainly to the failure of existing therapies. Deregulation of small GTPases signaling, in particular Rac1 activity,
Alonso, Daniel Fernando   +7 more
core   +2 more sources

Availability of a Keystone Plant Resource Reduces Niche Overlap and Drives Distinct Species‐Specific Changes in Niche Breadth Among Small Rodents

open access: yesIntegrative Zoology, EarlyView.
We investigated how three rodent species respond to the seasonal availability of Araucaria angustifolia seeds. While Oligoryzomys spp. increased seed consumption and abundance during seed production, the more insectivorous Akodon paranaensis maintained a broader diet.
Adriana A. Perini, Emerson M. Vieira
wiley   +1 more source

Vida de la Facultad

open access: yesIdeas y Valores, 1963
Información sobre seminarios, conferencias, libros recibidos, obras de arte, laboratorio electrónico, personal administrativo, viajes, nuevos representantes ...
Ideas y Valores Revista Colombiana de Filosofía
doaj  

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