Search Results - "Poveda, Juan C."

In-vehicle crowding: Integrating tangible attributes, attitudes, and perceptions in a choice context between BRT and metro by Márquez, Luis, Alfonso A, Julieth V., Poveda, Juan C.

“…•Crowding emerges in three dimensions: tangible, attitudinal and perceptual.•Positive attitude towards crowding depends on non-transportation…”
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Mobility-impaired people’s preferences for a specialized paratransit service as BRT’s feeder: The role of autonomy, relatedness, and competence by Márquez, Luis, Pineda, Laura X., Poveda, Juan C.

“…Transportation is a very important element in the well-being of mobility-impaired people. However, people with disabilities often struggle to access…”
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Modeling surface chemistry and adsorption behavior of biomimetic chitosan/silica hybrid materials by Diosa, Johnatan, Poveda-Jaramillo, Juan C, Ramirez-Rodríguez, Frank, Mesa, Monica

“…Chitosan/silica hybrid powders, obtained by the sol-gel method (pH 6, 7, 8) are studied for proposing surface chemical models and rationalizing their behaviour…”
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Molecular Changes in Asphaltenes within H2 Plasma by Poveda, Juan C, Molina, Daniel, Martínez, Horacio, Florez, Oswaldo, Campillo, Bernardo

“…In the present work, the chemical changes in asphaltenes, solid residues, when they are treated with hydrogen plasma were analyzed. H2 plasma was characterized…”
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The influence of sulfur configuration in 1H NMR chemical shifts of diasteromeric five‐membered cyclic sulfites by Obregón‐Mendoza, Marco A., Sánchez‐Castellanos, Mariano, Cuevas, Gabriel, Gnecco, Dino, Cassani, Julia, Poveda‐Jaramillo, Juan C., Reynolds, William F., Enríquez, Raúl G.

“…The effect of the stereochemistry of the sulfur atom on 1H chemical shifts of the diasteromeric pair of cyclic sulfites of…”
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Raising the enzymatic performance of lipase and protease in the synthesis of sugar fatty acid esters, by combined ionic exchange -hydrophobic immobilization process on aminopropyl silica support by Bernal, Claudia, Poveda-Jaramillo, Juan C., Mesa, Monica

“…[Display omitted] •Aminopropyl porous silica favors the immobilization of lipase and protease.•Enzyme performance is explained by electrostatic-hydrophobic…”
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Aggregate structure analysis of Colombian heavy crude oil-derived asphaltenes using small angle X-ray scattering by Morante, Lina R, Poveda, Juan C, Montiel, Raúl, Henao, José A

“…ABSTRACT Small-Angle X-ray Scattering (SAXS) technique was used to characterize the structure of Asphaltene aggregates as a function of its concentration in…”
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New non-covalent functionalized phenyl-methyl-silica for biomolecules immobilization: Experimental and theoretical insights of interactions by Bernal, Claudia, Ramirez, Frank, Poveda-Jaramillo, Juan C., Mesa, Monica

“…A new strategy for functionalization of porous silica with phenyl-methyl groups is developed and demonstrated in this work. Bare silica, a hierarchical bimodal…”
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Average molecular parameters of heavy crude oils and their fractions using NMR spectroscopy by Poveda, Juan C., Molina, Daniel R.

“…In this work, a new procedure for obtaining a full set of average molecular parameters (AMPs) of heavy crude oils and their fractions is proposed. Initially, a…”
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The influence of sulfur configuration in 1 H NMR chemical shifts of diasteromeric five-membered cyclic sulfites by Obregón-Mendoza, Marco A, Sánchez-Castellanos, Mariano, Cuevas, Gabriel, Gnecco, Dino, Cassani, Julia, Poveda-Jaramillo, Juan C, Reynolds, William F, Enríquez, Raúl G

“…The effect of the stereochemistry of the sulfur atom on H chemical shifts of the diasteromeric pair of cyclic sulfites of…”
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Habitat selection of the common chameleon ( Chamaeleo chamaeleon) (L.) in an area under development in southern Spain: implications for conservation by Hódar, José A, Pleguezuelos, Juan M, Poveda, Juan C

“…We studied the features of the habitat selection of the common chameleon [ Chamaeleo chamaeleon (L.)] in a population located in an area under development in…”
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Factors affecting personal autonomy and perceived accessibility of people with mobility impairments in an urban transportation choice context by Márquez, Luis, Poveda, Juan C., Vega, Luis A.

“…This paper studies factors affecting personal autonomy and perceived accessibility of people with mobility impairments in an urban transportation choice…”
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Molecular Changes in Asphaltenes within H 2 Plasma by Poveda, Juan C., Molina, Daniel, Martínez, Horacio, Florez, Oswaldo, Campillo, Bernardo

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Molecular Changes in Asphaltenes within H sub(2) Plasma by Poveda, Juan C, Molina, Daniel, Martinez, Horacio, Florez, Oswaldo, Campillo, Bernardo

“…In the present work, the chemical changes in asphaltenes, solid residues, when they are treated with hydrogen plasma were analyzed. H sub(2) plasma was…”
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The influence of sulfur configuration in super(1)H NMR chemical shifts of diasteromeric five-membered cyclic sulfites by Obregon-Mendoza, Marco A, Sanchez-Castellanos, Mariano, Cuevas, Gabriel, Gnecco, Dino, Cassani, Julia, Poveda-Jaramillo, Juan C, Reynolds, William F, Enriquez, Raul G

“…The effect of the stereochemistry of the sulfur atom on super(1)H chemical shifts of the diasteromeric pair of cyclic sulfites of…”
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Aggregate structure analysis of colombian heavy crude oil-derived Asphaltenes using small angle X-ray scattering by Lina R. Morante, Juan C. Poveda, Raúl Montiel, José A. Henao

“…ABSTRACT Small-Angle X-ray Scattering (SAXS) technique was used to characterize the structure of Asphaltene aggregates as a function of its concentration in…”
Get full text