Listar Artículos de investigación por título
Mostrando ítems 220-239 de 248
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Synthesis and fabrication of films including graphene oxide functionalized with chitosan for regenerative medicine applications
(BarranquillaQuímicaSede Norte, 2021-06-12)Graphene oxide (GO) has recently gained attention as a scaffold reinforcing agent for tissue engineering. Biomechanical and biological properties through a synergistic effect can be strengthened when combined with other ...
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Synthesis of 3-Aroyl-4-heteroarylpyrrole Derivatives by the Van Leusen Method
(BarranquillaSede Norte, 2022-02-15)The synthesis and structural diversification of N-heterocycles systems have attracted much attention because of their potential applications. Three 6-aryl-3-methyl-1-phenyl-1H-pyrazolo[3,4- b]pyridine-5-carbaldehyde 4 ...
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Synthesis, Characterization, and Histological Evaluation of Chitosan-Ruta Graveolens Essential Oil Films
(BarranquillaSede Norte, 2020-04-07)The development of new biocompatible materials for application in the replacement of deteriorated tissues (due to accidents and diseases) has gained a lot of attention due to the high demand around the world. Tissue ...
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Synthesis, Characterization, and Optimization Studies of Starch/Chicken Gelatin Composites for FoodPackaging Applications
(BarranquillaQuímicaSede Norte, 2022-03-31)The indiscriminate use of plastic in food packaging contributes significantly to environmental pollution, promoting the search for more eco-friendly alternatives for the food industry. This work studied five formulations ...
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El tamaño sí importa! Incidencia del tamaño del cebo en la captura de escarabajos coprófagos en el bosque seco tropical
(BarranquillaBiologíaSede Norte, 2022-01-03)Introducción: Típicamente, la investigación sobre escarabajos estercoleros en los Bosques Secos Tropicales (BDT) del Caribe Colombiano región, han aplicado metodologías diseñadas para zonas húmedas o andinas del país, que ...
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Técnicas de desarrollo organizacional para la actualización tecnológica del docente en instituciones de educación superior
(BarranquillaAdministración de EmpresasSede Norte, 2020-10-01)Esta investigación caracteriza las técnicas de desarrollo organizacional para la actualización tecnológica del docente en instituciones públicas de educación superior de la región caribe (Colombia). La metodología fue ...
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The Antiviral and Virucidal Activities of Voacangine and Structural Analogs Extracted from Tabernaemontana cymosa Depend on the Dengue Virus Strain
(BarranquillaMaestría en Gestión FarmacéuticaSede Norte, 2021-06-23)Currently, no specific licensed antiviral exists for treating the illness caused by dengue virus (DENV). Therefore, the search for compounds of natural origin with antiviral activity is an important area of research. In ...
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The role of heterogenous environmental conditions in shaping the spatiotemporal distribution of competing Aedes mosquitoes in Panama: implications for the landscape of arboviral disease transmission
(BarranquillaBiologíaSede Norte, 2021-03-01)Monitoring the invasion process of the Asian tiger mosquito Aedes albopictus and its interaction with the contender Aedes aegypti, is critical to prevent and control the arthropod-borne viruses (i.e., Arboviruses) they ...
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The unreasonableness of the imperative: Macario by Juan Rulfo
(BarranquillaSede Norte, 2022-07-29)El artículo explica el funcionamiento del discurso dominante y su sistema de referencias en Macario (El llano en llamas, 1953) de Juan Rulfo (1917-1986). Se propone una lectura del cuento en tanto alegoría de la dominación ...
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Thermodynamic, exergo-economic and exergo-environmental analysis of hybrid geothermal-solar power plant based on ORC cycle using emergy concept
(BarranquillaIngeniería MecánicaSede Norte, 2020-04-06)Design and optimization of the energy system with the efficient method is one the major problem in recent years. The combined emergy-exergy-economic-environmental analysis is one of new methods selected for the optimization of ...
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Thermodynamic, Exergy and Environmental Impact Assessment of S-CO2 Brayton Cycle Coupled with ORC as Bottoming Cycle
(BarranquillaIngeniería MecánicaSede Norte, 2020-05-04)In this article, a thermodynamic, exergy, and environmental impact assessment was carried out on a Brayton S-CO2 cycle coupled with an organic Rankine cycle (ORC) as a bottoming cycle to evaluate performance parameters ...
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Thermoeconomic modelling and parametric study of a simple orc for the recovery ofwaste heat in a 2 MW gas engine under differentworking fluids
(BarranquillaIngeniería MecánicaSede Norte, 2019-10-25)This paper presents a thermo-economic analysis of a simple organic Rankine cycle (SORC) as a waste heat recovery (WHR) systems of a 2 MW stationary gas engine evaluating different working fluids. Initially, a systematic ...
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Three new species of the spider genus Nopsma (Araneae, Caponiidae, Nopinae) from Colombia
(BarranquillaBiologíaSede Norte, 2021-07-13)Three new Colombian species of the spider genus Nopsma Sánchez-Ruiz, Brescovit & Bonaldo, 2020 are described and illustrated: Nopsma leticia sp. nov. (male) from Amazonas department, Nopsma macagual sp. nov. (male) from ...
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El Tiempo, uso y abuso
(BarranquillaArquitecturaSede Norte, 2020-02-01)Este artículo analiza y discute acerca de la razón fundamental por la que los estudiantes universitarios de la facultad de arquitectura de una universidad privada de Colombia, no utilizan bien el tiempo, en todas sus ...
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Time-reversal symmetry breaking in a square lattice
(BarranquillaSede Norte, 2021-04-06)The bulk conductivity of a two-dimensional system is studied assuming that time-reversal symmetry is broken by internal mechanisms. The study is carried out by direct diagonalization in order to explore the nonlinear-response ...
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Time-reversal symmetry breaking in a square lattice
(BarranquillaFísicaSede Norte, 2021-04-06)The bulk conductivity of a two-dimensional system is studied assuming that time-reversal symmetry is broken by internal mechanisms. The study is carried out by direct diagonalization in order to explore the nonlinear-response ...
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TiO2 thin films sensitization with natural dyes extracted from Bactris guineensis for photocatalytic applications: Experimental and DFT study
(BarranquillaQuímicaSede Norte, 2020-03-11)TiO2 thin films, sensitized by an anthocyanins-rich extract of a common species found in the Colombian Caribbean region (Bactris guineensis fruits), were used for the photocatalytic degradation of methylene blue. The ...
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Transcritical Bifurcations and Algebraic Aspects of Quadratic Multiparametric Families
(BarranquillaMatemáticasSede Norte, 2021-01-05)This article reveals an analysis of the quadratic systems that hold multiparametric families therefore, in the first instance the quadratic systems are identified and classified in order to facilitate their study and ...
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Transperiferismo, necropolítica y sufrimiento social. Etnografía experimental sobre las condiciones de vida de inmigrantes venezolanos en el Caribe colombiano
(BarranquillaLicenciatura en Ciencias SocialesSede Norte, 2020-06-21)Objetivos En este trabajo exploramos la crueldad y el sufrimiento que experimentan inmigrantes venezolanos que habitan en un asentamiento irregular llamado Villa Caracas, en la periferia de Barranquilla. Nuestro objetivo ...
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Trends in Research Focused on Hydrogen Production Based on the Web of Science
(BarranquillaIngeniería QuímicaSede Norte, 2022-07-19)In the present research, a bibliometric analysis is performed on the trends of research focused on hydrogen production. The analysis was performed through an electronic search of the Web of Science database for publications ...