Alejandro Molina
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View article: An educational module on fire and explosion safety for undergraduate chemical engineering students
An educational module on fire and explosion safety for undergraduate chemical engineering students Open
Incidents, such as the fire that occurred between December 21st and 23rd 2022 at the fuel tank storage facility in Barranquilla, remind Colombian industries of the risk of fires. Chemical engineers are responsible for designs and technolog…
View article: Application of Artificial Intelligence to the Alert of Explosions in Colombian Underground Mines
Application of Artificial Intelligence to the Alert of Explosions in Colombian Underground Mines Open
The use of Artificial Intelligence (AI), particularly of Artificial Neural Networks (ANN), in alerting possible scenarios of methane explosions in Colombian underground mines is illustrated by the analysis of an explosion that killed twelv…
View article: Bacterial incidence and drug resistance from pathogens recovered from blood, cerebrospinal and pleural fluids in 2019–2020. Results of the Invifar network
Bacterial incidence and drug resistance from pathogens recovered from blood, cerebrospinal and pleural fluids in 2019–2020. Results of the Invifar network Open
Background Antimicrobial resistance is a global concern. Analysis of sterile fluids is essential because microorganisms are defined as significant in most cases. Blood, cerebrospinal, and pleural fluids are frequently received in the micro…
View article: Filling a critical data gap in nearshore microplastic loads and properties: results from the Surfing for Science project
Filling a critical data gap in nearshore microplastic loads and properties: results from the Surfing for Science project Open
Only few studies have investigated microplastic pollution at a few meters from shore, mainly due to methodological limitations such as limited access to bathing areas with motorized vessels. Land-sourced plastics first encounter the nearsh…
View article: Key Innovations in ANASTACIA: Advanced Networked Agents for Security and Trust Assessment in CPS/IOT Architectures
Key Innovations in ANASTACIA: Advanced Networked Agents for Security and Trust Assessment in CPS/IOT Architectures Open
This book chapter presents the main key innovations being devised, implemented and validated in the scope of Anastacia H2020 EU research project, to meet the cybersecurity challenge of protecting dynamically heterogenous IoT scenarios, end…
View article: NetApp Certification Tools and Marketplace development (intermediate)
NetApp Certification Tools and Marketplace development (intermediate) Open
EVOLVED-5G responds to the 5G PPP ICT-41-2020 5G innovations for verticals with third party services call, whose main goal is to deliver enhanced experimentation facilities on top of which third party experimenters (e.g., SMEs or any servi…
View article: Simulation tool for the analysis of in-situ combustion experiments that considers complex kinetic schemes and detailed mass transfer- theoretical analysis of the gas phase CO oxidation reaction
Simulation tool for the analysis of in-situ combustion experiments that considers complex kinetic schemes and detailed mass transfer- theoretical analysis of the gas phase CO oxidation reaction Open
A simulation tool was designed for analyzing various experimental setups that include the ability to model detailed chemical reaction schemes for in-situ combustion (ISC) analysis.,. The simulation tool was illustrated with a theoretical e…
View article: Donor-acceptor discrete optical emission in 2D perovskites
Donor-acceptor discrete optical emission in 2D perovskites Open
Two-dimensional (2D) van der Waals nanomaterials have attracted considerable attention for potential use in photonic and optoelectronic applications in the nanoscale, due to their outstanding electrical and optical properties, differing fr…
View article: A Selection Flowchart for Micromodel Experiments Based on Computational Fluid Dynamic Simulations of Surfactant Flooding in Enhanced Oil Recovery
A Selection Flowchart for Micromodel Experiments Based on Computational Fluid Dynamic Simulations of Surfactant Flooding in Enhanced Oil Recovery Open
A selection flowchart that assists, through Computational Fluid Dynamics (CFD) simulations, the design of microfluidic experiments used to distinguish the performance in Chemical Enhanced Oil Recovery (CEOR) of two surfactants with very si…
View article: Adaptive Rational Activations to Boost Deep Reinforcement Learning
Adaptive Rational Activations to Boost Deep Reinforcement Learning Open
Latest insights from biology show that intelligence not only emerges from the connections between neurons but that individual neurons shoulder more computational responsibility than previously anticipated. This perspective should be critic…
View article: In-Situ Characterization of 1-Hexene Concentration with a Helium-Neon Laser in the presence of a Solid Catalyst
In-Situ Characterization of 1-Hexene Concentration with a Helium-Neon Laser in the presence of a Solid Catalyst Open
This study provides evidence that a helium-neon (He-Ne) laser operating in the Mid-infrared (MIR) at a wavelength of 3.39 μm can detect variations in 1-hexene concentration in the presence of a solid catalyst. The in-situ and online charac…
View article: Laser-Induced Breakdown Spectroscopy and Principal Component Analysis for the Classification of Spectra from Gold-Bearing Ores
Laser-Induced Breakdown Spectroscopy and Principal Component Analysis for the Classification of Spectra from Gold-Bearing Ores Open
Laser-induced breakdown spectroscopy (LIBS) and principal component analysis (PCA) were applied to the classification of LIBS spectra from gold ores prepared as pressed pellets from pulverized bulk samples. For each sample, 5000 single-sho…
View article: SPFlow: An Easy and Extensible Library for Deep Probabilistic Learning\n using Sum-Product Networks
SPFlow: An Easy and Extensible Library for Deep Probabilistic Learning\n using Sum-Product Networks Open
We introduce SPFlow, an open-source Python library providing a simple\ninterface to inference, learning and manipulation routines for deep and\ntractable probabilistic models called Sum-Product Networks (SPNs). The library\nallows one to q…
View article: Experimental and numerical study of palm oil and castor oil biodiesel droplet evaporation
Experimental and numerical study of palm oil and castor oil biodiesel droplet evaporation Open
The vaporization characteristics of Palm and Castor oil biodiesel (Ricinus comunis) droplets were studied. An experimental set-up for measuring the evaporation rate of fuel droplets at atmospheric pressure and variable temperatures was dev…
View article: Transport and Mixing in Liquid Phase Using Large Eddy Simulation: A Review
Transport and Mixing in Liquid Phase Using Large Eddy Simulation: A Review Open
Many mixing processes in engineering applications are turbulent. At high‐Schmidt regime, the scalar scales are much lower than those of the velocity field, making difficult instantaneous measurements and direct numerical simulation for stu…
View article: Machine Learning meets Data-Driven Journalism: Boosting International\n Understanding and Transparency in News Coverage
Machine Learning meets Data-Driven Journalism: Boosting International\n Understanding and Transparency in News Coverage Open
Migration crisis, climate change or tax havens: Global challenges need global\nsolutions. But agreeing on a joint approach is difficult without a common\nground for discussion. Public spheres are highly segmented because news are\nmainly p…