Search Results - "Ospina, Alejandro"

Nanoparticle size and surface chemistry effects on mechanical and physical properties of nano-reinforced polymers: The case of PVDF-Fe3O4 nano-composites by Navarro Oliva, Francisco Sebastian, Sahihi, Mehdi, Lenglet, Luc, Ospina, Alejandro, Guenin, Erwann, Jaramillo-Botero, Andres, Goddard, William A., Bedoui, Fahmi

“…In the present work, PVDF - Fe3O4 nanoparticle (NP) nanocomposite films were produced using the electrospinning method. We investigated the effect of NP size…”
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Development of a Neuropeptide Y‑Sensitive Implantable Microelectrode for Continuous Measurements by Fernández-Vega, Lauren, Meléndez-Rodríguez, Dorian Enid, Ospina-Alejandro, Mónica, Casanova, Karina, Vázquez, Yolimar, Cunci, Lisandro

“…In this work, we present the development of the first implantable aptamer-based platinum microelectrode for continuous measurement of a nonelectroactive…”
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Case studies: efficacy of a hydrofiber dressing with ionic silver, ethylenediaminetetraacetic acid and benzethonium chloride by Salazar Trujillo, Marco A, Ortiz Rodriguez, José E, Ospina, Alejandro Zapata

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Mutations in SORL1 and MTHFDL1 possibly contribute to the development of Alzheimer's disease in a multigenerational Colombian Family by Tejada Moreno, Johanna Alexandra, Villegas Lanau, Andrés, Madrigal Zapata, Lucia, Baena Pineda, Ana Yulied, Velez Hernandez, Juan, Campo Nieto, Omer, Soto Ospina, Alejandro, Araque Marín, Pedronel, Rishishwar, Lavanya, Norris, Emily T, Chande, Aroon T, Jordan, I King, Bedoya Berrio, Gabriel

“…Alzheimer's disease (AD) is the most common cause of dementia in the elderly, affecting over 50 million people worldwide in 2020 and this number will triple to…”
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Structural Predictive Model of Presenilin-2 Protein and Analysis of Structural Effects of Familial Alzheimer’s Disease Mutations by Soto-Ospina, Alejandro, Araque Marín, Pedronel, Bedoya, Gabriel de Jesús, Villegas Lanau, Andrés

“…Alzheimer’s disease manifests itself in brain tissue by neuronal death, due to aggregation of β-amyloid, produced by senile plaques, and hyperphosphorylation…”
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Propuesta de un conjunto de recomendaciones de accesibilidad para mejorar el posicionamiento de portales web empresariales by Chanchí-Golondrino, Gabriel-Elias, Ospina-Alarcón, Manuel-Alejandro, Rico-Rodríguez, Fabián

“…Uno de los factores clave que contribuye con la mejora del posicionamiento de los portales web empresariales es la accesibilidad, teniendo en cuenta la gran…”
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Toxicological risk in individuals exposed to methylmercury and total mercury through daily-consumed foodstuffs in one of the mining regions of Bajo Cauca, Antioquia, Colombia by Natalia Cadavid Muñoz, Dubán González-Álvarez, Azucena Cabrera Jaramillo, Alejandro Soto-Ospina, Álvaro Arango Ruiz

“…Mercury (Hg), and its different chemical forms, such as methylmercury (MeHg), are highly toxic compounds that affect the environment as well as human and…”
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Diffusion Mechanism Modeling of Metformin in Human Organic Cationic Amino Acid Transporter one and Functional Impact of S189L, R206C, and G401S Mutation by Cano, Leydy, Soto-Ospina, Alejandro, Araque, Pedronel, Caro-Gomez, Maria Antonieta, Parra-Marin, Maria Victoria, Bedoya, Gabriel, Duque, Constanza

“…Metformin used as a first-line drug to treat Type 2 Diabetes Mellitus is transported via organic cation channels to soft tissues. Mutations in the SLC22A1…”
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Horno cementero rotatorio: una revisión al control mediante sistemas expertos by Castillo Tirado, José Luis, Ospina Alarcón, Manuel Alejandro, Ortiz Valencia, Paula Andrea

“…Este artículo presenta una revisión de investigaciones realizadas mediante diferentes estrategias de control aplicadas en hornos cementeros rotatorios, sistema…”
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Total mercury and methylmercury levels in eggs from laying hens in a mining area in Bajo Cauca, Antioquia, Colombia by Dubán González-Álvarez, Azucena Cabrera Jaramillo, Natalia Cadavid Muñoz, Diana María Agudelo-Echavarría, Alejandro Soto-Ospina, Álvaro Arango Ruiz

“…Thanks to their unique nutritional components, eggs constitute the source of nourishment for many people. Yet they can also absorb concentrations of several…”
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A Colombian's Group Experience Using Contralateral C7 Nerve Transfer for Brachial Plexus Trauma by Rojas, Camilo Serrano, Saldarriaga Llano, Juan Fernando, Restrepo, Jaime Londoño, Zapata-Ospina, Alejandro, Barreto, Maria Londoño

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Time series model for the characterization and prediction of the graduation rate at the University of Cartagena by Prieto-Romero, Ana María, Chanchí-Golondrino, Gabriel Elías, Ospina-Alarcón, Manuel Alejandro

“…For universities, characterizing graduation rates is a key indicator reflecting academic quality and the institution's ability to guide students towards…”
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Protein Predictive Modeling and Simulation of Mutations of Presenilin-1 Familial Alzheimer's Disease on the Orthosteric Site by Soto-Ospina, Alejandro, Araque Marín, Pedronel, Bedoya, Gabriel, Sepulveda-Falla, Diego, Villegas Lanau, Andrés

“…Alzheimer's disease pathology is characterized by β-amyloid plaques and neurofibrillary tangles. Amyloid precursor protein is processed by β and γ secretase,…”
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Sistema IoT para el monitoreo de variables climatológicas en cultivos de agricultura urbana by Chanchí-Golondrino, Gabriel-Elias, Ospina-Alarcón, Manuel-Alejandro, Saba, Manuel

“…A partir de la creciente tendencia de la agricultura urbana, este trabajo tiene por objetivo la construcción de un sistema IoT para la monitorización y el…”
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Aplicación de la computación afectiva en el análisis de la percepción de los asistentes a una feria de emprendimiento del SENA by Chanchí-Golondrino, Gabriel-Elias, Hernández-Londoño, Claudia-Estella, Ospina-Alarcón, Manuel-Alejandro

“…La computación afectiva es un área de investigación emergente, centrada en el desarrollo de sistemas con capacidad para reconocer, procesar y simular las…”
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Effect of hydrodynamic forces on mineral particles trajectories in gravimetric concentrator type JIG by Ospina, Manuel Alejandro, Usuga Manco, Liliana María

“…Hydrodynamic interaction is a sensitive process for gravity concentration equipment. Because of the nonlinearity and complexity of interaction dynamics due the…”
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El rol de la biblioteca pública en la inclusión social del habitante de calle (homeless) by Ceballos Ospina, Johnny Alejandro

“…La biblioteca pública es un lugar llamativo para las personas sin hogar, debido a la gratuidad de sus servicios e instalaciones. El presente artículo intenta…”
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Structural Protein Effects Underpinning Cognitive Developmental Delay of the PURA p.Phe233del Mutation Modelled by Artificial Intelligence and the Hybrid Quantum Mechanics–Molecular Mechanics Framework by López-Rivera, Juan Javier, Rodríguez-Salazar, Luna, Soto-Ospina, Alejandro, Estrada-Serrato, Carlos, Serrano, David, Chaparro-Solano, Henry Mauricio, Londoño, Olga, Rueda, Paula A., Ardila, Geraldine, Villegas-Lanau, Andrés, Godoy-Corredor, Marcela, Cuartas, Mauricio, Vélez, Jorge I., Vidal, Oscar M., Isaza-Ruget, Mario A., Arcos-Burgos, Mauricio

“…A whole-exome capture and next-generation sequencing was applied to an 11 y/o patient with a clinical history of congenital hypotonia, generalized motor and…”
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Role of the Fractalkine Receptor in CNS Autoimmune Inflammation: New Approach Utilizing a Mouse Model Expressing the Human CX3CR1I249/M280 Variant by Cardona, Sandra M., Kim, Sangwon V., Church, Kaira A., Torres, Vanessa O., Cleary, Ian A., Mendiola, Andrew S., Saville, Stephen P., Watowich, Stephanie S., Parker-Thornburg, Jan, Soto-Ospina, Alejandro, Araque, Pedronel, Ransohoff, Richard M., Cardona, Astrid E.

“…Multiple sclerosis (MS), an inflammatory demyelinating disease of the central nervous system (CNS) is the leading cause of nontraumatic neurological disability…”
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In-situ WAXS and SAXS microstructural investigation of Poly(vinylidene fluoride)- Fe3O4 coaxial-electrospun nanocomposites under thermal and mechanical loading: Nanoparticles size effects on fibers molecular orientation, mechanical properties and crystalline polymorphs by Navarro Oliva, Francisco Sebastian, Murthy, Sanjeeva N., Lenglet, Luc, Ospina, Alejandro, Weigand, Steven, Bedoui, Fahmi

“…In this study, 15 % w/w polyvinylidene fluoride (PVDF)–Fe3O4 nanoparticle (NP) nanocomposite scaffolds were prepared using coaxial electrospinning with a…”
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