Buscador de Tesis y publicaciones académicas

Patterns of Technical Change for Colombia in the Twenty-First Century: A Sectoral Approach

Carlos Alberto Duque Garcia · Diego Fernando Ramírez Reinoso

Following a classical Marxian framework, this article identifies the patterns of technical change in the Colombian economy, disaggregated by sectors, from 2001 to 2022. Using the growth-distribution schedule and data from national accounts, a clear Marx-biased technical pattern (labor-saving and capital-using) was iden...

Trop-2 expression is associated with poor survival in pleural mesothelioma

Alejandro Aviles-Salas · Norma Hernández-Pedro · Enrique Caballé-Perez · José Lucio-Lozada · y 9 más

Introduction Pleural mesothelioma (PM) lacks reliable biomarkers to guide therapy. Trophoblast cell-surface antigen 2 (Trop-2) is targetable in epithelial cancers, but its prevalence and clinical relevance in PM remain unclear. Methods This retrospective cohort study selected patients with PM at the Instituto Nacional...

Carvacrol as a dual-target acaricidal candidate against the cattle tick Rhipicephalus (Boophilus) microplus : molecular docking, mechanistic validation, and early field testing

Gloria S. Avendaño-Mora · Andrés F. Cabezas-Cárdenas · Bethsy N. Alfonso-Núñez · Erika M. Celis Celis · y 6 más

Abstract The blood-sucking ectoparasite Rhipicephalus B. microplus represents one of the greatest economic threats to livestock worldwide. The discovery of novel acaricidal molecules based on environmentally sustainable technologies is therefore required, particularly those suitable for use in dairy and meat-producing...

Denominación de origen protegida e indicaciones geográficas

María Isabel Guerrero Molina

En el escenario global, las denominaciones de origen protegido (DOP) y las indicaciones geográficas protegidas (IGP) se consideran activos estratégicos que les permiten a las organizaciones diferenciar sus productos en mercados extranjeros. El objetivo de la investigación fue identificar los beneficios que obtienen las...

Decarbonization Boundary Choices and the Effectiveness of Stakeholder Engagement in Voluntary Climate Action Commitments: Evidence From Emerging Economies

David Tobón Orozco · Jose Pla‐Barber

ABSTRACT This study examines how stakeholder engagement, conceptualized as a boundary‐spanning organizational capability, interacts with firms' decarbonization strategies, in relation to climate action commitments (CACs) in voluntary initiatives. Drawing on cross‐firm regression analyses of 98 Colombian firms, the resu...

Cuantificación de la incertidumbre mediante redes bayesianas en la planificación temprana de proyectos de vivienda de interés social

Guillermo Mejía-Aguilar · Jaime Gutiérrez-Prada · Oscar Portilla-Carreño · Jonathan Soto-Paz

La Planificación de la Etapa Inicial (FEP) y herramientas tradicionales como el Índice de Definición de Proyectos (PDRI) son fundamentales para reducir riesgos y estructurar evaluaciones, pero su enfoque determinista limita la consideración de la incertidumbre y de las interdependencias entre variables. Este estudio pr...

Pilot Study on the Usefulness of Tele-Yoga in Patients With Heart Failure

Diana Achury-Saldaña · Mayra Alejandra Sánchez · Angie Angarita · Johan Ayala-Gutiérrez · y 4 más

This study aimed to evaluate the feasibility and benefits of tele-yoga in promoting mindfulness. A cross-sectional pilot study was conducted on patients (n=24) with heart failure at a tertiary referral hospital. The tele-yoga intervention was implemented in 6 group sessions over 8 weeks. Feasibility was assessed using...

Bankruptcy Prediction and Firm Heterogeneity

Yuly Andrea Franco · Jaime Flórez Bolaños

This study uses a meta-analytic approach based on random-effects models to examine the effectiveness of Machine Learning (ML) techniques in predicting business bankruptcies. Sixty-four studies were analyzed and categorized by two key performance metrics: Area Under the Curve (AUC) and Accuracy (ACC). The three main fin...

Absceso mediastinal anterior: complicación infrecuente de abscesos periamigdalinos

Andrea Trujillo-Gallego · Carlos Hinestroza-Perea · Ivón C. Barguil-Díaz · Mayreth X. Lozano-Mosquera · y 1 más

Ultrasound-assisted extraction of cytotoxic alkaloids from Caliphruria subedentata: Comparative analysis of bath and high-intensity systems

Sergio Gonzalez-Lopez · Lina M. Trujillo Chacón · Edison Osorio

Abstract Cancer remains one of the leading causes of death worldwide, and despite significant therapeutic advances, the discovery of effective and sustainable chemotherapeutic agents remains a major challenge. Alkaloids from the Amaryllidaceae family are well known for their cytotoxic potential, yet their complex phyto...