Buscador de Tesis y publicaciones académicas

Manejo y percepciones sobre la anemia y deficiencia de hierro previo a cirugía cardíaca

Sebastián Garcia-Zamora · Andrés Arteaga-Arellano · Joaquín Perea · Manuel Chacón-Díaz · y 18 más

Introducción. La anemia y la deficiencia de hierro (DH) son condiciones frecuentes en pacientes con enfermedades cardiovasculares y se asocian a mayor morbimortalidad en cirugía cardíaca. Sin embargo, no existen datos sobre cómo es abordada esta problemática en Iberoamérica. Debido a ello, desde la Sociedad Interameric...

La Responsabilidad Estatal por Afectaciones a los Derechos Constitucionales de los Niños, Niñas y Adolescentes en el Marco del Conflicto Armado en Chocó – Colombia

Deisy Yohanna Caicedo Sambony · Sandra Milena Valoy Cordoba · William Yeffer Vivas Lloreda

El problema central de esta investigación radica en la responsabilidad estatal frente a las sistemáticas vulneraciones de los derechos fundamentales de los niños, niñas y adolescentes (NNA) en el departamento del Chocó, un territorio profundamente afectado por el conflicto armado, el abandono institucional y la corrupc...

Embryogenesis and early larval development of the fish Pimelodus grosskopfii (Siluriformes: Pimelodidae)

Yanan S. Ortiz-Acevedo · Andrés J. Bonilla-Reyes · Luisa Fernanda Londoño-Ramírez · Gersson Vásquez-Machado · y 2 más

Introduction: Despite its ecological importance, a detailed characterization of the embryonic and early larval development is lacking for the neotropical siluriform Pimelodus grosskopfii. Objective: To describe the ontogenetic and larval development of P. grosskopfii. Methods: Key ontogenetic events were documented fro...

Design of a Variation-Resilient 2 MHz PWM Circuit for 28 nm Buck Converters Using an Error-Budget Approach

Over Amaya · Victor Muñoz · Javier Ardila

Colombia tendrá un Congreso fragmentado y su próximo presidente dependerá de alianzas

Mariana Algarra

A EXPERIMENTAÇÃO NO ENSINO DE BIOLOGIA: UM ESTUDO COMPARATIVO DAS PRÁTICAS LABORATORIAIS EM DUAS ESCOLAS PÚBLICAS ESTADUAIS DE MANACAPURU–AM

Sidilene Alves da Silva · Samuel Feitosa do Carmo · Elcilene Alves da Silva · Jeckson Rozas Bento Menezes · y 1 más

Este artigo apresenta os principais achados de uma pesquisa de mestrado em Ciências da Educação, que teve como objetivo central descrever os desenvolvimentos das práticas pedagógicas e a experimentação laboratorial no ensino de Biologia em duas Escolas do Ensino Médio da rede estadual de ensino localizadas no município...

The challenging connection between nurseries and restoration processes in Colombia: an overview based on production and species diversity

Sergio E. Lozano‐Baez · Leidy J. Celorio‐Mosquera · Leonardo L. Mejia · Paula Díaz‐Valderrama · y 2 más

Abstract Introduction Colombia has committed to restoring over 9 million hectares of degraded land under national and international initiatives. However, progress remains limited, partly due to nursery capacity constraints and challenges to their long‐term viability. Our study aims to assess the distribution, productio...

Modeling Rank Distribution and the Relative Importance Factor Index in Discrete Power-Law Models: Application to Social Resilience Using the Scopus Database

Brian Llinas · Jose Padilla · Humberto Llinas · Erika Frydenlund · y 1 más

Prior research on power-law distributions has primarily focused on modeling frequency patterns, with less attention given to rank distributions and how ranked positions reflect relative importance among elements. In discrete power-law distributions, frequency-based metrics often provide limited discrimination in the ta...

Diaphragmatic ultrasound in mechanically ventilated critically ill patients: a narrative review

Héctor Andrés Ruiz-Ávila · Estivalis Acosta-Gutiérrez · Cristian Arvey Guzmán-David

Point-of-care ultrasound (POCUS) enables clinicians to perform real-time diagnostic and monitoring assessments at the bedside. Its portability, safety, and repeatability have facilitated widespread adoption in critical care. Among its applications, diaphragmatic ultrasound has emerged as a clinically relevant tool for...

Gonadal development and sex steroids in Caranx crysos (Perciformes: Carangidae) in the Colombian Caribbean: foundations for sustainable aquaculture reproduction

Katrina L. Medina-Lambraño · Roimer A. Hernández González · Alicia Felip Edo · Adriana Rodríguez-Forero

Introduction: Caranx crysos holds significant importance as a source of income for local communities in the Colombian Caribbean region. There is a scarcity of information regarding this species, particularly concerning its reproductive biology. Objectives: To evaluate reproductive indicators related to gonadal developm...