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Now showing items 12972-12991 of 13674
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The two-component system BvrR/BvrS regulates the expression of the Type IV secretion system VirB in Brucella abortus
(American Society for Microbiology, 2010-11)The pathogenesis of Brucella is related to the ability to multiply intracellularly, an event controlled by the two-component system BvrR/BvrS (TCS BvrRS) and the type IV secretion machinery VirB (T4SS VirB). We have ... -
The usage of a differentiated instruction strategy to teach heterogeneous english groups in a Costa Rican context
(Universidad Nacional, Costa Rica, 2022)Heterogeneous groups, also called mixed ability groups or classes, are one of the most challenging student populations for English as a Foreign Language (EFL) teachers. Currently, the lack of contextual research on the ... -
The Use of the Arm Circumference as a Measure to Detect Underweight in Individuals Aged 60 Years or Older Living in Costa Rica
(Universidad Nacional (Costa Rica), 2023-09-01)[Objective]: This investigation focuses on the association between arm circumference and body mass index, and the estimation of cutoff values of this arm measurement for identifying low weight ... -
The use of a cartilage decellularized matrix scaffold for the repair of osteochondral defects: the importance of long-term studies in a large animal model
(Osteoarthritis and Cartilage, 2017-03)Objective To investigate the effect of decellularized cartilage-derived matrix (CDM) scaffolds, by itself and as a composite scaffold with a calcium phosphate (CaP) base, for the repair of osteochondral defects. It was ... -
The use of a cartilage decellularized matrix scaffold for the repair of osteochondral defects: the importance of long-term studies in a large animal model
(Osteoarthritis Research Society International. Published by Elsevier, 2016-08-21)Objective: To investigate the effect of decellularized cartilage-derived matrix (CDM) scaffolds, by itself and as a composite scaffold with a calcium phosphate (CaP) base, for the repair of osteochondral defects. It was ... -
The use of computer records: a tool to increase productivity in dairy herds
(MDPI, 2020-01-10)The level of adoption of herd management information system veterinary automated management and production control program (VAMPP) Bovine and its impact on productivity of 912 specialized dairy systems with at least 5 ... -
The use of green fluorescent protein as a marker for Brucella vaccines
(Elsevier, 2010-11-04)La brucelosis es una importante enfermedad de los animales de producción y de la fauna silvestre y una zoonosis mundial. El uso de vacunas eficaces y las correspondientes pruebas de diagnóstico que permiten diferenciar los ... -
The Use of Technological Tools in the EFL Class
(Universidad Nacional, Costa Rica, 2014) -
The Use of the Dialogic Teaching Approach to Promote Communicative Competencies with a Group of Intermediate English Adult Students
(Universidad Nacional, Costa Rica, 2022-09)This essay intends to explore how the use of the Dialogic Teaching Approach enables my intermediate English adult students to acquire communicative competencies in a globalized society. Many Costa Ricans have been moved ... -
The value of a good start in the EFL classroom
(I Congreso Internacional de Lingüística Aplicada CONLA UNA, 2013)EL aprendizaje exitoso va de la mano con la motivación y disposición de los estudiantes. Con el fin de maximizarlo, los profesores deben de sacar el máximo partido de la experiencia de clase a través de actividades ... -
The value of curricular introspection
(Universidad Nacional, Costa Rica, 2013)La incredulidad de un número importante de estudiantes-profesores BEIC de la E.L.C.L. en la UNA sobre la eficiencia de los principios comunicativos de una segunda lengua, como herramientas efectivas para enseñar inglés a ... -
The white-nosed coati (Nasua narica) is a naturally susceptible definitive host for the zoonotic nematode Angiostrongylus costaricensis in Costa Rica
(Veterinary Parasitology, 2016-09-15)Angiostrongylus costaricensis (Strongylida, Angiostrongylidae) is a roundworm of rodents, which may cause a severe or fatal zoonosis in several countries of the Americas. A single report indicated that the white-nosed coati ... -
The “un-dead” and the release of sexual discourse: a freudian approach to Bram Stoker’s Dracula
(II Congreso Internacional de Lingüística Aplicada CONLA UNA, 2015)Esta ponencia intenta delinear una de las muchas maneras en las que Drácula, de Bram Stoker, puede ser abordada. Se percibe el texto como una propuesta discursiva sobre la sexualidad, en especial desde un punto de vista ... -
Thermal niche breadth and their relationship with sturnira bat species diversification
(Elsevier (Países Bajos), 2023-10)The interaction between climatic conditions and the ability of organisms to maintain homeostasis regulates the distribution of species on the planet. However, its influence on macroevolutionary dynamics is not well ... -
Thermographic scrotal pattern in sound for breeding zebu bulls extensively managed in tropical Costa Rica
(Animal Reproduction Science, 2016-06)Infrared thermography (IR) is relatively a novel proce- dure in animal andrology for studying bull’s scrotal thermal pattern. The accuracy of this technique lies onto camera’s performance and operator skills, and ... -
Thermoplasmatales and sulfur‑oxidizing bacteria dominate the microbial community at the surface water of a CO2‑rich hydrothermal spring located in Tenorio Volcano National Park, Costa Rica
(Extremophiles, 2019-01-01)Here we report the chemical and microbial characterization of the surface water of a CO2-rich hydrothermal vent known in Costa Rica as Borbollones, located at Tenorio Volcano National Park. The Borbollones showed a temperature ... -
Thin-skinned mass-wasting responsible for widespread deformation at Arenal volcano
(Frontiers Media, 2014-12-03)The shape and stability of a volcano’s edifice depends on the relationship between eruption rate and the loss or redistribution of material due to erosion, mass-wasting or deformation. This work provides measurements of ... -
Thoracic nerve cord - ganglia recognition in intraspecific and interspecific transplants in the white shrimp, Penaeus (Litopenaeus) vannamei
(Science Direct, 2009-03)The recognition response of Penaeus (Litopenaeus) vannamei against thoracic nerve cord–ganglia transplants from three species of Penaeidae: P. vannamei, P. (Litopenaeus) stylirostris, and Trachypenaeus byrdi, and one species ... -
Three forms of bilingual education immersion, dual language and CLIL
(2017)En esta entrega de Cilampa, se describen varias experiencias sobre la enseñanza de lenguas extranjeras: los programas canadienses de inmersión; el modelo dual para la enseñanza de idiomas, conocido como Dual Language ... -
Three New Species and New Records of Dennstaedtia Bernh. from Mesoamerica
(Universidad Nacional, Costa Rica, 2018)Navarrete & Øllgaard [1] indicated the presence of a “C” group within Dennstaedtia Bernh. that contains D. obtusifolia (Willd.) T. Moore, which is the type material of the genus Patania C. Presl and indicated that it ...