John Bustamante
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View article: Entorno Familiar y Rendimiento Académico de Estudiantes de Educación Básica del Sector San Antonio
Entorno Familiar y Rendimiento Académico de Estudiantes de Educación Básica del Sector San Antonio Open
La presente investigación analizó la influencia del entorno familiar en el rendimiento académico de estudiantes de tercer año de Educación General Básica en el sector San Antonio. Se utilizó un enfoque mixto, con diseño descriptivo de camp…
View article: Physical and chemical effect of an electrospun nanocomposite of gelatin/polyvinyl alcohol loaded with heparin
Physical and chemical effect of an electrospun nanocomposite of gelatin/polyvinyl alcohol loaded with heparin Open
View article: Angiotensin‐(1–9) Improves the Cardioprotective Effects of Del Nido Cardioplegia Against Ischemia/Reperfusion Injury
Angiotensin‐(1–9) Improves the Cardioprotective Effects of Del Nido Cardioplegia Against Ischemia/Reperfusion Injury Open
Del Nido cardioplegia (DNC), a blood‐and‐crystalloid solution containing high and low concentrations of potassium and calcium, respectively, is used as a single‐dose antegrade infusion to induce immediate cardiac arrest in the surgery of p…
View article: LA IMPORTANCIA DEL CONTROL INTERNO EN LA GESTIÓN PÚBLICA Y PRIVADA
LA IMPORTANCIA DEL CONTROL INTERNO EN LA GESTIÓN PÚBLICA Y PRIVADA Open
La investigación analiza la importancia del control interno en la gestión pública y privada, enfocándose en su contribución a la eficiencia operativa y la mitigación de riesgos. La problemática surge debido a la falta de transparencia y el…
View article: Cellular viability in an in vitro model of human ventricular cardiomyocytes (RL-14) exposed to gold nanoparticles biosynthesized using silk fibroin from silk fibrous waste
Cellular viability in an in vitro model of human ventricular cardiomyocytes (RL-14) exposed to gold nanoparticles biosynthesized using silk fibroin from silk fibrous waste Open
In nanotechnology, tissue engineering proposes obtaining nanomaterials of natural or synthetic origin, looking to incorporate components that exhibit a defined shape, diameter, colloidal stability, and biological identity to promote and re…
View article: Biological Evaluation of Thermosensitive Hydrogels of Chitosan/Hydrolyzed Collagen/β-GP in an In Vitro Model of Induced Cardiac Ischemia
Biological Evaluation of Thermosensitive Hydrogels of Chitosan/Hydrolyzed Collagen/β-GP in an In Vitro Model of Induced Cardiac Ischemia Open
Ischemic events can culminate in acute myocardial infarction, which is generated by irreversible cardiac lesions that cannot be restored due to the limited regenerative capacity of the heart. Cardiac cell therapy aims to replace injured or…
View article: Novel Strategies to Improve the Cardioprotective Effects of Cardioplegia
Novel Strategies to Improve the Cardioprotective Effects of Cardioplegia Open
The use of cardioprotective strategies as adjuvants of cardioplegic solutions has become an ideal alternative for the improvement of post-surgery heart recovery. The choice of the optimal cardioplegia, as well as its distribution mechanism…
View article: Concentration and pH Influence on the Reducing Property of Silk Fibroin from Silk Fibrous Waste in the Green Synthesis of Silver Nanoparticles
Concentration and pH Influence on the Reducing Property of Silk Fibroin from Silk Fibrous Waste in the Green Synthesis of Silver Nanoparticles Open
The development of methods of green synthesis of metal nanoparticles from the use of biological agents, and microbial or plant extracts, allows the obtainment of biocompatible nanostructures by reducing or eliminating the use of toxic subs…
View article: Influence of Electrospinning Parameters on the Physicochemical Properties of Polycaprolactone, Chitosan, and Sericin Membranes
Influence of Electrospinning Parameters on the Physicochemical Properties of Polycaprolactone, Chitosan, and Sericin Membranes Open
The use of natural polymers such as sericin (SS) and chitosan (Ch) for developing biomaterials has increased in tissue engineering. To ensure adequate biointegration with the biological environment, the method used to obtain the biomateria…
View article: Electrochemical and Electroconductive Behavior of Silk Fibroin Electrospun Membrane Coated with Gold or Silver Nanoparticles
Electrochemical and Electroconductive Behavior of Silk Fibroin Electrospun Membrane Coated with Gold or Silver Nanoparticles Open
The surface modification of materials obtained from natural polymers, such as silk fibroin with metal nanoparticles that exhibit intrinsic electrical characteristics, allows the obtaining of biocomposite materials capable of favoring the p…
View article: Cell culture: a promising environment for research on cardiology
Cell culture: a promising environment for research on cardiology Open
At present, tissue engineering is transforming the area of cardiovascular regenerative medicine, which combines the principles and methods of materials engineering and biological sciences, interacting with biochemical and physicochemical f…
View article: Effect of Molecular Weight and Nanoarchitecture of Chitosan and Polycaprolactone Electrospun Membranes on Physicochemical and Hemocompatible Properties for Possible Wound Dressing
Effect of Molecular Weight and Nanoarchitecture of Chitosan and Polycaprolactone Electrospun Membranes on Physicochemical and Hemocompatible Properties for Possible Wound Dressing Open
Tissue engineering has focused on the development of biomaterials that emulate the native extracellular matrix. Therefore, the purpose of this research was oriented to the development of nanofibrillar bilayer membranes composed of polycapr…
View article: Effect of Sequential Electrospinning And Co-Electrospinning On Morphological And Fluid Mechanical Wall Properties of Polycaprolactone And Bovine Gelatin Scaffolds, For Potential Use In Small Diameter Vascular Grafts
Effect of Sequential Electrospinning And Co-Electrospinning On Morphological And Fluid Mechanical Wall Properties of Polycaprolactone And Bovine Gelatin Scaffolds, For Potential Use In Small Diameter Vascular Grafts Open
Background: Nowadays, the engineering vascular grafts with a diameter less than 6 mm by means of electrospinning, is an attracted alternative technique to create different three-dimensional microenvironments with appropriate physicochemica…
View article: Effect of sequential electrospinning and co-electrospinning on morphological and fluid mechanical wall properties of polycaprolactone and bovine gelatin scaffolds, for potential use in small diameter vascular grafts
Effect of sequential electrospinning and co-electrospinning on morphological and fluid mechanical wall properties of polycaprolactone and bovine gelatin scaffolds, for potential use in small diameter vascular grafts Open
Background Nowadays, the engineering vascular grafts with a diameter less than 6 mm by means of electrospinning, is an attracted alternative technique to create different three-dimensional microenvironments with appropriate physicochemical…
View article: Simulación de interacción fluido-estructura en la red vascular utilizando el método de elementos de frontera (BEM)
Simulación de interacción fluido-estructura en la red vascular utilizando el método de elementos de frontera (BEM) Open
El principal objetivo de este trabajo fue desarrollar un modelo tridimensional, que permita el estudio de condiciones fluidodinámicas en un vaso sanguíneo, considerando el comportamiento pulsátil, mediante métodos numéricos de formulación …
View article: Development of endomyocardial fibrosis model using a cell patterning technique: In vitro interaction of cell coculture of 3T3 fibroblasts and RL-14 cardiomyocytes
Development of endomyocardial fibrosis model using a cell patterning technique: In vitro interaction of cell coculture of 3T3 fibroblasts and RL-14 cardiomyocytes Open
Cardiac functions can be altered by changes in the microstructure of the heart, i.e., remodeling of the cardiac tissue, which may activate pathologies such as hypertrophy, dilation, or cardiac fibrosis. Cardiac fibrosis can develop due to …
View article: GMEPE/PAHCE 2019 Papers Index
GMEPE/PAHCE 2019 Papers Index Open
Is the ultrasonic velocity of biological tissue reversible when applying continuous heating-cooling cycles? .¿Es Reversible la Velocidad Ultrasónica del Tejido Biológico cuando se Aplican Ciclos Continuos de Calentamiento y Enfriamiento?
View article: Using a non-reducing sugar in the green synthesis of gold and silver nanoparticles by the chemical reduction method
Using a non-reducing sugar in the green synthesis of gold and silver nanoparticles by the chemical reduction method Open
El uso de compuestos químicos más biocompatibles y renovables para la obtención de nanopartículas metálicas con propiedades y características deseadas, se convierte en una ruta alternativa para la reducción de riesgos ambientales y del gra…
View article: A comparative computational study of blood flow pattern in exemplary textile vascular grafts
A comparative computational study of blood flow pattern in exemplary textile vascular grafts Open
Textile vascular grafts are biomedical devices and play an important role serving as a solution for the partial replacement of damaged arterial vessels. It is believed that the success of a textile vascular graft, in the healing process af…
View article: Sistema Vial Terciario y Educación Rural en Antioquia (Colombia): un modelo probit ordenado y multivariado
Sistema Vial Terciario y Educación Rural en Antioquia (Colombia): un modelo probit ordenado y multivariado Open
This paper aims to determine the impact of the Antioquia department’s road system, particularly the rural roads system, on the probability of advancement in the educational achievement of students from rural areas in high schools in Antioq…
View article: Estudio in vitro de permeabilidad, porosidad y crecimiento celular en membranas electrohiladas para prótesis vasculares
Estudio in vitro de permeabilidad, porosidad y crecimiento celular en membranas electrohiladas para prótesis vasculares Open
Introducción y objetivos: En la actualidad la posibilidad de fabricación de implantes vasculares mediante la técnica de electrospinning ha ganado interés para vasos sanguíneos de diámetros pequeños. El potencial en aplicaciones vasculares …
View article: Propuesta de modelo de trauma vascular mediante la caracterización mecánica de prótesis endovasculares (stents) a través del análisis estructural con técnicas FEA
Propuesta de modelo de trauma vascular mediante la caracterización mecánica de prótesis endovasculares (stents) a través del análisis estructural con técnicas FEA Open
The proposed conceptual model allows to determine the relationship between the conditions of mechanical interaction of the stents, and warns about the effects in what would be the operation of the device on the vascular environment.
View article: Semi-supervised clustering of fractionated electrograms for electroanatomical atrial mapping
Semi-supervised clustering of fractionated electrograms for electroanatomical atrial mapping Open
View article: Effect of the electrograms density in detecting and ablating the tip of the rotor during chronic atrial fibrillation: an<i>in silico</i>study
Effect of the electrograms density in detecting and ablating the tip of the rotor during chronic atrial fibrillation: an<i>in silico</i>study Open
A previous work has shown that DApEn maps successfully detected simulated rotor tips using a high spatial resolution. In this work, it was evinced that DApEn maps could be applied using a spatial resolution similar to that available in com…