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Mostrando ítems 17521-17540 de 34319
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Identification of polyphenols from antiviral Chamaecrista nictitans extract using high-resolution LC–ESI–MS/MS
(2014)Chamaecrista nictitans (L) extract possesses antiviral properties; it acts against the herpes simplex virus, and this may be attributed to its constituent phenolics. Here, high-resolution LC–ESI–MS/MS is used to identify ... -
Identification of Protein Kinase C Activation as a Novel Mechanism for RGS2 Protein Upregulation through Phenotypic Screening of Natural Product Extracts
(2014)Biochemical high-throughput screening is widely used in drug discovery, using a variety of small molecule libraries. However, broader screening strategies may be more beneficial to identify novel biologic mechanisms. In ... -
Identification of Pseudococcus viburni and Pseudococcus longispinus (Hemiptera: Pseudococcidae) in Musa sp.
(2018)To establish appropriate taxonomic relationships in studies of mealybugs it is necessary to study the insects by two techniques: morphological and molecular. The aim of this research is to study mealybugs (Hemiptera: ... -
Identification of residues critical for toxicity in Clostridium perfringens phospholipase C, the key toxin in gas gangrene
(2000-08)Clostridium perfringens phospholipase C (PLC), also called α-toxin, is the major virulence factor in the pathogenesis of gas gangrene. The toxic activities of genetically engineered α-toxin variants harboring single ... -
Identification of rupatadine fumarate polymorphic crystalline forms in pharmaceutical raw materials
(2018)Polymorphism analysis of pharmaceutical raw materials is considered one of the most relevant evaluations that should be done. As we know, different crystal forms from the same molecule have differences in terms of their ... -
Identification of solid phase state of hemi-dihydrate atorvastatin in pharmaceutical raw materials
(2015)Determining the spatial configuration of the structures of compounds used in the production of medicines is extremely important due to the different characteristics of each of them in its solid ... -
Identification of Supply Chain Performance Indicators: Case Study of Costa Rican Coffee Production
(2018)Background: coffee production is one of the most important agricultural products for Costa Rica, especially because of the large proportion of small and medium farmers involved. This research intends to provide the ... -
Identification of the agent causing anthracnose on Sansevieria spp., in Costa Rica.
(2013-07-03)Sansevieria spp. (Agavaceae), native to Africa and Asia, is a foliage ornamental known as “mother-in-law’s tongue” or sansevieria. S. trifasciata (St) is the species with the highest number of cultivars on the Costa Rican ... -
Identification of the myotoxic site of the Lys49 phospholipase A2 from Agkistrodon piscivorus piscivorus snake venom: synthetic C-terminal peptides from Lys49, but not from Asp49 myotoxins, exert membrane-damaging activities
(2001)Group II phospholipase A2 (PLA2) myotoxins found in the venoms of Crotalidae snakes can be divided into `Asp49' and `Lys49' isoforms, the latter being considered catalytically-inactive variants. Previous studies on one ... -
Identification of tropical cyclones’ critical positions associated with extreme precipitation events in Central America
(2021-04)Tropical cyclones are one of the most important causes of disasters in Central America. Using historical (1970–2010) tracks of cyclones in the Caribbean and Pacific basin, we identify critical path locations where these ... -
Identifying the implied: Findings from three differentiated replications on the use of security requirements templates
(2017)Identifying security requirements early on can lay the foundation for secure software development. Security requirements are often implied by existing functional requirements but are mostly left unspecified. The Security ... -
La ideologia anti comunista en Costa Rica: Guerra Fría, discursos hegemonicos e identidades políticas, 1948 – 1962
(2015-05)Durante la Guerra Fría a nivel nacional e internacional se desarrolló como estrategia geopolítica regional y de seguridad interna de cada país, una serie de medidas de adoctrinamiento y represión contra quienes luego de ... -
La "ideología costarricense" y el espectro de la "ideología extranjera" (1950-1959)
(2019)En este artículo se exponen los resultados del análisis del concepto ideología y su espectro – derecha e izquierda – durante el periodo de 1950-1959, el cual se desprende de una investigación de mayor alcance titulada ... -
¿Ideología de género? Alianza entre el neointegrismo católico y fundamentalismo evangélico frente a los feminismos y la diversidad sexual. Un análisis desde América Latina
(2019)Los inicios del siglo veintiuno han sido el escenario de profundos cambios en las sociedades latinoamericanas. En menos de veinte años hemos presenciado esfuerzos democratizadores impulsados por gobiernos de izquierda ... -
Ideología de la desigualdad: análisis de la investigación empírica en psicología social
(2010)Se analizan las últimas investigaciones empíricas y los principales paradigmas teóricos contemporáneos en psicología social sobre ideología de la desigualdad. Se describen los conceptos y los avances en la investigación ... -
Ideologías lingüísticas de los malecus con respecto a su repertorio idiomático
(2013-10-28)This article analyzes the language ideologies of the Malecu people in regard to their linguistic repertoire in the context of displacement of their vernacular language. In general terms, it is noticed that their representations ... -
Los ideólogos de la libre empresa frente a la Sustitución de Importaciones e Integración Económica. ANFE y la política económica de Costa Rica entre 1958 y 1965
(2021-06-18)La Asociación Nacional de Fomento Económico (ANFE) se formó en 1958, en un período que ha sido comúnmente caracterizado por el predominio del llamado "Consenso de post-guerra" en cuanto a política ...