Sebastian Jaramillo-Isaza

Universidad Antonio Nariño · Facultad de Ingeniería Electrónica y Biomédica

Background A widely used paradigm for Brain-Computer Interfaces (BCI) is based on detecting P300 Event-Related Potentials (ERPs) in response to stimulation and concentration tasks. An open challenge corresponds to maximizing the performance of a BCI by considering artifacts arising from the user’s cognitive and physical conditions during task execu...

In biomechanics, motion capture systems based on video and markers are the most widely used method to estimate kinematic parameters. However, from a technical standpoint, experimental errors in data capture are often related to the masking of markers during motion capture. This phenomenon generates data loss that can affect the analysis of the resu...

Una interpretación clínica confiable debe utilizar métodos precisos para detectar y analizar datos como; segmentos, intervalos, amplitudes y tasa de variabilidad cardiaca en la señal de ECG. Por tal motivo, nuestro objetivo principal se centra en la implementación de un algoritmo, para identificar y estimar de forma automática alteraciones en la mo...

Problem statement: Different fitness devices that stimulate the abdominal muscles to improve sports performance or body image have been reported in the literature. Many of these devices are used by subjects without physical conditioning which, together with bad use of the devices, can generate serious musculoskeletal injuries. Purpose: This study c...

Background: Platelet-rich fibrin (PRF) is a biomaterial widely used in the field of regenerative medicine. The purpose of this work was to analyze the structure and biomolecular characteristics of PRF through nine centrifugation parameters (CP) for its preparation, using a pool of blood samples of five volunteers. Methods: The PRF obtained was a...

Debido al aumento en el uso de dispositivos de acondicionamiento físico por parte de sujetos sin entrenamiento, la falta de evidencia científica de los dispositivos y los efectos que puede tener la mala ejecución de los movimientos en cuanto a lesiones osteomusculares, en este artículo se presenta un estudio de la actividad física realizada en el d...

Biomechanical studies are essential in health research areas, such as rehabilitation, kinesiology, orthopedics, and sports. For example, they provide information to elaborate on patients’ diagnostics or improve athletes’ performance. In recent years, deep learning and other computational methods have started to be used to quantify new biomechanical...

Regenerative medicine is used for tissue healing, replace missing organs and tissues which are affected by aging, disease, or trauma both structurally and functionally. Materials are the key component of regenerative medicine approaches because the material can imitate the native extracellular matrix of those tissues and improve both the physical b...

In recent years, technologies such as Kinect and Emotiv, combined with predetermined stimuli, have been widely used to perform studies in different fields such as neuromarketing, rehabilitation, medicine, among others. However, how facial and neurological activation parameters can be related has been little explored. This research aims to develop a...

Resumen: Desde el año 1994, la Organización Mundial de la Salud (OMS) propuso que la educación debería ser realmente inclusiva, en especial para aquellas personas en condición de discapacidad o con movilidad reducida. Colombia es uno de los países Latinoamericanos con más alta prevalencia de personas con algún tipo de discapacidad. Investigaciones...

Correlational models between mechanical and physico-chemical properties are of interest for bone modeling and numerical simulations of bone growth and remodeling. Therefore, the aim of this work was to determine if it is possible to correlate mechanical and physic-chemical properties of cortical bone. Micro-mechanical and physico-chemical data were...

Biomechanical analyses provide an extensive source of data that are deeply explored by physicians, engineers and trainers from the mechanical and physiological point of view. This data includes kinetic and kinematic parameters that are quite useful to study human locomotion. However, most of these analyses stay on a very superficial level. Recently...

With the current employment of visualization tools, different techniques may be used to understand multivariable information. This document presents an alternative method for the analysis of biomechanical phenomena, presenting the knee joint execution of free squat exercise. For this, the MaxTRAQ software and the open-source and cross-platform soft...

This volume constitutes the refereed proceedings of the 6th Workshop on Engineering Applications, WEA 2019, held in Santa Marta, Colombia, in October 2019. The 62 revised full papers and 2 short papers presented in this volume were carefully reviewed and selected from 178 submissions. The papers are organized in the following topical sections: comp...

Atomic Force Microscope (AFM) has opened new perspectives for investigations of phenomenological mechanisms at the nanoscale that are encountered in different fields such as material science, biology, tribology among others. In the recent years, new tools and modes have been added and adapted to the AFM in order to increase its characterization cap...

Background: Remodeling process affects the mineral content of osteons and imparts heterogeneity through secondary mineralization; the aim of the present study is to assess the elastic and plastic time-dependent mechanical properties of osteons reflecting different mineral content as well as interstitial tissue of human femoral cortical bone by nano...

Quantification of the mechanical properties of cortical bone through life span models is an invaluable source of data for bone modeling and numerical simulations. This data allows the validation of different theories of bone remodeling and corroborates the interactions between different microstructural components. However, human life span models ar...

Bone is a multiphase, hierarchical biological material. Bone mechanical stiffness is assumed to be linked to the mineral phase whereas the reinforced function to the organic phase [1]. The aim of this work is to quantify the effects of mineral loss in the time-dependent mechanical properties of bovine cortical bone at the micro-nano scales. A speci...

The aim of this study is to assess the time-dependent mechanical properties of rat femoral cortical bone in a lifespan model from growth to senescence. New nanoindentation protocol was performed to assess the time-dependent mechanical behavior. The experimental data were fitted with an elastic–viscoelastic–plastic–viscoplastic mechanical model allo...