Buscador de Tesis y publicaciones académicas

How should ethical, legal, and technical considerations be addressed to prevent iatrogenic complications in high-quality, high-volume, government-funded spay-and-neuter programs?

Raúl A. Sánchez-Nodarse · Juan G. Maldonado-Estrada

Abstract Colombian Law 2374 of 2024 established a National Surgical Sterilization Program, expanding longstanding municipal initiatives such as those in Medellín, Colombia, which have sterilized up to 35,000 animals annually. However, limited research on the effects of frequent sterilization sessions and potential inju...

A Physiology-Based Ambulatory Arterial Stiffness Index Derived from the Arterial Time Constant

Dagnovar Aristizábal-Ocampo · Diego Álvarez-Montoya · Jaime Gallo-Villegas

Abstract Background Carotid-femoral pulse wave velocity (cfPWV) is the reference standard for the non-invasive assessment of arterial stiffness but requires dedicated vascular equipment and is not routinely available in clinical practice. Previous studies have shown that arterial stiffness can be estimated from 24-hour...

Pregnancy Intention: A Concept Analysis

Merilyn Guerra-Ramírez · María Elisa Moreno-Fergusson

Pregnancy intention is widely used in sexual and reproductive health research and practice, yet its conceptual boundaries remain insufficiently defined. This imprecision limits consistent interpretation and shapes how nurses and other health professionals assess and support women’s reproductive decision-making across t...

Residual-certified super-clock ansatz for a damped forced fractional cubic-quintic nonlinear Schrödinger equation

Lamiaa S. El-Sherif · Alvaro H. Salas

Abstract Classical traveling-wave profiles do not survive the replacement of ordinary time by a Caputo derivative, so a fractional analog must be judged by the defect it leaves in the governing equation rather than by resemblance to an exact solution. Motivated by this, an analytical ansatz is developed for a damped an...

Shaping the Post-2030 Agenda for Education and Learning: Insights From the Current Transitions Towards Lifelong Learning Ecosystems

Shalini Singh

El trabajo de la polilla en la llama

null Mónica Bravo Pedrosa

Quienes tenemos por oficio el arte de observar para imaginar otros mundos, no dudamos en sentirnos deudoras de Mónica. Ya sea en una conversación, a través del tejido de sus propias imágenes o con un pequeño dibujo, ella nos ha enseñado cómo acceder a las capas invisibles que cubren las cosas. No para entenderlas tal y...

Low‐Voltage Pulsed GMA‐AM Application for Controlling Heat Input and Improving Deposition Quality of 309LSi Multilayered Structures

Petrônio L. C. C. C. Fernandes · Guilherme G. S. Figueiredo · Ivan B. M. Picchi · Edwar A. T. López · y 1 más

Austenitic stainless steels are extensively used in wire arc additive manufacturing (WAAM) for producing large‐sized components. However, dimensional control and geometric stability are challenges related to this process, especially in pulsed gas metal arc (GMA) using conventional voltages. More specifically, there is...

Robot-assisted giant paraesophageal hernias repair in a fourth level hospital in Bogotá, Colombia, Shaio Clinic: Case series and literature review

Angie K. Pérez-Hoyos · Carlos L. Jaspe-Caina · Jean A. Pudilo · Laura Padilla · y 4 más

Guided Diffusion Models for Seismic Data Reconstruction via Deep Image Priors and Restoration Operators

Luis Rodríguez-López · Paul Goyes-Peñaf · Laura Galvis · Henry Arguello

Abstract Seismic data are widely used in subsurface energy exploration. However, several factors affect seismic data quality. Seismic data reconstruction is essential when acquisition is incomplete because missing sources or receivers produce subsampled shot-gathers with incomplete trace coverage that degrades data qua...

Silent Burden of Mercury: Environmental Exposure and Determinants Among Indigenous Communities in the Colombian Amazon

Roberth de Jesús Paternina-Uribe · Carlos Federico Molina-Castaño · Catalina María Arango-Alzate · María Luisa Toro-Oviedo · y 7 más

Mercury contamination remains one of the most persistent environmental and public health challenges in the Amazon, where fish consumption represents the primary pathway of exposure to methylmercury. This study assessed the prevalence and determinants of mercury exposure among indigenous communities of Taraira, Vaupés,...