Investigaciones: Envíos recientes
Mostrando ítems 1-20 de 1421
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Multiple Traces of Families of Epoxy Derivatives as New Inhibitors of the Industrial Polymerization Reaction of Propylene
(Cartagena de IndiasCampus Tecnológico, 2024-07-21)In this study, the impact of ethylene oxide, propylene oxide, 1,2-butene oxide, and 1,2- pentene oxide on the polymerization of propylene at an industrial level was investigated, focusing on their influence on the catalytic ... -
Recovery of an Antioxidant Derived from a Phenolic Diphosphite from Wastewater during the Production of a Polypropylene Compound: A Step towards Sustainable Management
(Cartagena de IndiasCampus Tecnológico, 2024-06-11)Organic phosphoester (OPE) antioxidants are currently required due to their contribution to enhancing the quality of polymers, including polypropylene (PP). In this research, an integral methodology is presented for the ... -
Composite Coatings with Liposomes of Melissa officinalis Extract for Extending Tomato Shelf Life
(Cartagena de IndiasCampus Tecnológico, 2024-07-22)In this study, active coatings based on carboxymethylcellulose (CMC) were prepared using liposomes filled with an aqueous extract of Melissa officinalis retained in high acyl gellan gum (HAG), low acyl gellan gum (LAG), ... -
Sustainable Catalysts from Industrial FeO Waste for Pyrolysis and Oxidation of Hospital Polypropylene in Cartagena
(Cartagena de IndiasCampus Tecnológico, 2024-07-11)During the COVID-19 pandemic, polypropylene waste generated in hospitals increased significantly. However, conventional strategies for the final disposal of environmental waste, such as incineration, proved inefficient ... -
Assessing Fuchs Corneal Endothelial Dystrophy Using Artificial Intelligence-Derived Morphometric Parameters From Specular Microscopy Images
(Cartagena de Indias, 2024-09-09)Purpose: The aim of this study was to evaluate the efficacy of artificial intelligence–derived morphometric parameters in characterizing Fuchs corneal endothelial dystrophy (FECD) from specular microscopy images. Methods: ... -
Calidez en la relación médico-paciente: análisis del efecto de la empatía como variable mediadora en la intención de adherencia al tratamiento del paciente
(Cartagena de IndiasComunicación Social, 2023-11-14)La relación médico-paciente ha sido identificada a lo largo del tiempo como una de las claves del éxito del tratamiento médico y ha sido estudiada en contextos europeos, norteamericanos y latinoamericanos con condiciones ... -
Assessing and monitoring air quality in cities and urban areas with a portable, modular and low-cost sensor station: calibration challenges
(Cartagena de Indias, 2024-06-09)Air pollution affects not only the air in cities but also extends to all indoor environments (homes, offices, schools, public places, transportation, etc.), where we spend between 80% and 90% of our time. Both indoor and ... -
El proceso penal mediado por inteligencia artificial
(Cartagena de Indias, 2024-07-29)En el contexto penal, la congestión judicial se justifica, entre otras causas, en que las etapas procesales son lideradas, de forma casi exclusiva, por la actividad humana, generando un desgaste importante de la estructura ... -
Predicting sunspot number from topological features in spectral images I: Machine learning approach
(Cartagena de Indias, 2024-07-19)This study presents an advanced machine learning approach to predict the number of sunspots using a comprehensive dataset derived from solar images provided by the Solar and Heliospheric Observatory (SOHO). The dataset ... -
Cómo informaron los medios colombianos sobre la covid-19: una mirada desde las audiencias
(Cartagena de IndiasCampus TecnológicoComunicación Social, 2024-07-23)La declaración del estado de pandemia de covid-19 en Colombia en marzo de 2020 disparó la producción y consumo de noticias relacionadas con el tema. Este estudio, mediante una encuesta en línea, analizó las percepciones ... -
Analysis of Colombian media coverage on COVID-19: an audience perspective
(Cartagena de IndiasCampus TecnológicoComunicación Social, 2024-04)During April and May, 2020, during the COVID-19 lockdown in Colombia, news consumption trends were analyzed by means of an online survey with 2,084 Colombians. The perception of information overload about the pandemic was ... -
Self-reported pedestrian falls in 15 countries worldwide
(Cartagena de Indias, 2024-07-16)Background Many factors are associated with pedestrian injuries and accidents. If a pedestrian is injured in an outdoor public space, we are talking about a “pedestrian fall”. Pedestrian falls are a more common cause of ... -
Electrification as a development and sustainability approach in rural areas using renewable energy sources
(Cartagena de IndiasCampus TecnológicoIngeniería Mecánica, 2024-07-10)BACKGROUND AND OBJECTIVES: Within the Colombian Caribbean region, a number of rural communities utilize self-generated energy as a result of their limited access to the national electricity network. This energy generated ... -
Aguas turbias no son espejos
(Cartagena de IndiasCampus Tecnológico, 2022)“Aguas turbias no son espejos” que relata desde la visión de las comunidades las afectaciones que han sufrido a causa de la presencia de monocultivos y la agroindustria en sus territorios y cómo esto ha vulnerado sus ... -
El misreading como posibilidad creadora de iusteorías en un contexto globalizado desde la trasnacionalidad
(Cartagena de IndiasCampus Tecnológico, 2024-01-31)En la actualidad, el contexto global cuenta con un conjunto de teorías y escuelas del derecho provenientes de diferentes contextos. Algunos de esos contextos se consideran como sitios de producción teórica y otros como ... -
Lineamientos para implementar la inteligencia artificial en el derecho privado
(Cartagena de IndiasCasa Lemaitre, 2024)El derecho privado encuentra su fundamento en los derechos reales, los cuales están sujetos a procesos que se pueden sistematizar para ser gestionados a través de la inteligencia artificial. Para estos efectos se propone ... -
Spurring or Blurring Journalism & Mass Communication Quarterly 1–32 © 2024 AEJMC Professional Standards? The Role of Digital Technology in Implementing Journalistic Role Ideals in Contemporary Newsrooms
(Cartagena de IndiasComunicación Social, 2024-06-22)This study examines the perceived relevance and implementation of competing normative ideals in journalism in times of increasing use of digital technology in newsrooms. Based on survey and content analysis data from 37 ... -
Early Detection of Neurodevelopmental Disorders as a Strategy for Educational Inclusion in Early Childhood Education
(Cartagena de Indias, 2024-06-23)The objective of this study is to disseminate the results of a pilot system of early detection of neurodevelopmental disorders in early childhood education centres in Cartagena de Indias, Colombia. A total of 280 preschool ... -
Unlocking the potential of Eichhornia crassipes for wastewater treatment: phytoremediation of aquatic pollutants, a strategy for advancing Sustainable Development Goal‑06 clean water
(Cartagena de IndiasCampus Tecnológico, 2024-05-13)The 2030 Agenda, established in 2015, contains seventeen Sustainable Development Goals (SDGs) aimed at addressing global challenges. SDG-06, focused on clean water, drives the increase in basic sanitation coverage, the ... -
A computer vision system for detecting motorcycle violations in pedestrian zones
(Cartagena de Indias, 2024-05-02)This paper presents a system that relies on computer vision to identify instances of motorcycle violations in crosswalks utilizing CNNs. The system was trained and evaluated on a novel public dataset published by the ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.