Search Results - "Rafael, Cabanzo"

Characterization of bio-crude components derived from pyrolysis of soft wood and its esterified product by ultrahigh resolution mass spectrometry and spectroscopic techniques by Palacio Lozano, Diana Catalina, Ramírez, Claudia X., Sarmiento Chaparro, José Aristóbulo, Thomas, Mary J., Gavard, Remy, Jones, Hugh E., Cabanzo Hernández, Rafael, Mejia-Ospino, Enrique, Barrow, Mark P.

“…[Display omitted] In this work, a detailed analysis of a bio-oil obtained by pyrolysis of softwoods and its esterified product is described. Information of the…”
Get full text

FTIR-PAS coupled to partial least squares for prediction of ash content, volatile matter, fixed carbon and calorific value of coal by Román Gómez, Yesid, Cabanzo Hernández, Rafael, Guerrero, Jáder Enrique, Mejía-Ospino, Enrique

“…[Display omitted] •Prective model for properties of coal using FT-IR PAS and PLS are proposed.•Tests and statistical parameters indicate good performance of…”
Get full text

Sulfonated Graphene Oxide Nanofluid: Potential Applications for Enhanced Oil Recovery by Arenas-Blanco, Brayan Alberto, Pérez-Rodríguez, Elcy Mariana, Hernández, Rafael Cabanzo, Santos-Santos, Nicolás, Mejía-Ospino, Enrique

“…Graphene oxide (GO)-based materials have been extensively evaluated in emulsification processes due to their amphiphilic properties, thermal stability, and…”
Get full text

APPI(+)-FTICR mass spectrometry coupled to partial least squares with genetic algorithm variable selection for prediction of API gravity and CCR of crude oil and vacuum residues by Palacio Lozano, Diana Catalina, Orrego-Ruiz, Jorge Armando, Cabanzo Hernández, Rafael, Guerrero, Jáder Enrique, Mejía-Ospino, Enrique

“…[Display omitted] •APPI(+) FT-ICR mass spectra coupled to GA-PLS allowed to predict API gravity and CCR of crude oils.•The procedure saving time and it…”
Get full text

FTIR-ATR Predictive Model for Determination of Asphaltene Solubility Class Index (ASCI) Based on Partial Least-Squares Regression (PLS-R) by Niño, Alexander Rey, Ramírez, Claudia X, Hernández, Rafael Cabanzo, Picón, Héctor, Guerrero, Jáder Enrique, Mejía-Ospino, Enrique

“…A model for predicting the asphaltene stability class index (ASCI) was developed from the data obtained by Fourier transform infrared spectroscopy attenuated…”
Get full text

Effects of Molarity and Storage Time of MWCNTs on the Properties of Cement Paste by Laura, Echeverry-Cardona, Rafael, Cabanzo, Jorge, Quintero-Orozco, Harvi Alirio, Castillo-Cuero, Laura Victoria, Rodríguez-Restrepo, Elisabeth, Restrepo-Parra

“…Nowadays, nanomaterials in cement pastes are among the most important topics in the cement industry because they can be used for several applications. For this…”
Get full text

A predictive model for the determination of cadmium concentration in cocoa beans using laser-induced plasma spectroscopy by Herrera Celis, Sandra Liliana, Guerrero Bermúdez, Jáder Enrique, Mejía-Ospino, Enrique, Cabanzo Hernández, Rafael

“…This study proposes a predictive model to determine the concentration of cadmium (Cd) in cocoa beans based on laser-induced breakdown spectroscopy (LIBS) and…”
Get full text

Physical and Chemical Properties Characterization of 3D-Printed Substrates Loaded with Copper-Nickel Nanowires by V-Niño, Ely Dannier, Lonne, Quentin, Díaz Lantada, Andrés, Mejía-Ospino, Enrique, Estupiñán Durán, Hugo Armando, Cabanzo Hernández, Rafael, Ramírez-Caballero, Gustavo, Endrino, José Luis

“…This study deals with the laser stereolithography manufacturing feasibility of copper-nickel nanowire-loaded photosensitive resins. The addition of nanowires…”
Get full text

3D printed polymer-matrix loaded with graphene oxide by V-Niño, Ely Dannier, Díaz Lantada, Andrés, Mejía Ospino, Enrique, Santos, Alfonso, Cabanzo Hernández, Rafael, Endrino, José Luis

“…•3D printed samples with low GO concentration achieve high strength and ductility.•photopolymer resin did not suffer relevant structural changes due to…”
Get full text

Diagnosis of chagas disease from human blood serum using surface-enhanced Raman scattering (SERS) spectroscopy and chemometric methods by Pérez, Angelli, Prada, Yuly A., Cabanzo, Rafael, González, Clara I., Mejía-Ospino, Enrique

“…Surface-Enhanced Raman Scattering (SERS) spectroscopic technique and chemometric methods were combined to make a first noninvasive diagnosis of Chagas disease…”
Get full text

Construction of a predictive model for concentration of nickel and vanadium in vacuum residues of crude oils using artificial neural networks and LIBS by Tarazona, José L, Guerrero, Jáder, Cabanzo, Rafael, Mejía-Ospino, E

“…A predictive model to determine the concentration of nickel and vanadium in vacuum residues of Colombian crude oils using laser-induced breakdown spectroscopy…”
Get more information

Bromine number prediction for Colombian naphthas using near-infrared spectroscopy and chemometric methods by Aparicio, Carlos, Guerrero, Jader, Cabanzo, Rafael, Mejía-Ospino, Enrique

“…Abstract Thirty-eight naphtha samples were used to develop a chemometric method to predict bromine number. All samples were characterized by Fourier transform…”
Get full text

Study of the water-oil interfacial activity of amino-modified graphene oxide by Arenas-Blanco, Brayan Alberto, Cepeda-Marín, Gladys Rocío, Cabanzo-Hernández, Rafael, Mejía-Ospino, Enrique

“…The interfacial properties of Graphene oxide (GO) based materials have been widely studied in emulsification processes. The 2D chemical structure and high…”
Get full text

PLS models for determination of SARA analysis of Colombian vacuum residues and molecular distillation fractions using MIR-ATR by Orrego-Ruiz, Jorge A., Cabanzo, Rafael, Mejía-Ospino, Enrique

“…In this work, prediction models of Saturates, Aromatics, Resins and Asphaltenes fractions (SARA) from thirty-seven vacuum residues of representative Colombian…”
Get full text

Molecular Dynamics study of the effect on the interfacial activity of Alkylamine-Modified graphene oxide by Alberto Arenas-Blanco, Brayan, Muñoz-Rugeles, Leonardo, Cabanzo-Hernández, Rafael, Mejía-Ospino, Enrique

“…[Display omitted] •n-alkylamines causes a synergistic effect on the interfacial properties of GO.•The hydrophobicity of the GO can be tuned by the aliphatic…”
Get full text

Silver nanostructured platforms for detecting Escherichia coli through Raman scattering spectroscopy “Proof of concept” by John Jairo Castillo-León, Bladimiro Rincón-Orozco, Rafael Cabanzo-Hernández

“…Surface enhanced Raman spectroscopy (SERS) of nanostructured materials is a powerful technique that allows to reach ultrahigh levels of detection of several…”
Get full text

Crude oil/water emulsion separation using graphene oxide and amine-modified graphene oxide particles by Contreras Ortiz, S. Nathalia, Cabanzo, Rafael, Mejía-Ospino, Enrique

“…[Display omitted] Graphene oxide (GO) nanosheets have been experimentally proved to be a highly efficiency, rapid and universal demulsifier to break up the…”
Get full text

Effects of pH and vanadium concentration during the impregnation of Na-SiO2 supported catalysts for the oxidation of propane by Hernández-Maya, Mery S., Espinosa-Lobo, Carol B., Cabanzo-Hernández, Rafael, Mejía-Ospino, Enrique, Baldovino-Medrano, Víctor Gabriel

“…•Effects of pH and vanadium concentration over NaVOx/SiO2 catalysts.•NaVOx microcrystals and nanoparticles.•Propane oxidation more selective to propene over…”
Get full text

Study of Colombian coals using photoacoustic Fourier transform infrared spectroscopy by Orrego-Ruiz, Jorge A., Cabanzo, Rafael, Mejía-Ospino, Enrique

“…Five of the most important Colombian coals were studied using Photoacoustic Fourier transform infrared (PA-FTIR) spectroscopy. The PA-FTIR spectra were used to…”
Get full text

Plataformas nanoestructuradas de plata para identificación cualitativa de Escherichia coli mediante espectroscopia Raman intensificada por efecto de superficie “prueba de concepto del sistema” by Rincón Orozco, Bladimiro, Castillo León, John Jairo, Cabanzo, Rafael

“…Surface enhanced Raman spectroscopy (SERS) of nanostructured materials is a powerful technique that allows to reach ultrahigh levels of detection of several…”
Get full text