Search Results - "Benegas, Julio Benegas"

Polyelectrolyte Study of the Calcium-Induced Chain Association of Pectate by Donati, Ivan, Benegas, Julio C, Paoletti, Sergio

“…The theoretical model devised in the previous paper (Donati, I.; Benegas, J. C.; Cesàro, A.; Paoletti, S. Biomacromolecules 2006, 7 (5), 1587−1596) for the…”
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Los desafíos de la evaluación en el formato de enseñanza virtual en una Física introductoria by Villegas, Myriam Villegas, Arce, Adriana Arce, Lucero, Ana Paula, Benegas, Julio Benegas

“…El desafío de acompañar a los estudiantes en la no presencialidad y la adhesión a la evaluación formativa hicieron que buscásemosestrategias para revisar y…”
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Potentiometric Titrations of Maleic Acid Copolymers in Dilute Aqueous Solution: Experimental Results and Theoretical Interpretation by Delben, Franco, Paoletti, Sergio, Porasso, Rodolfo D., Benegas, Julio C.

“…The paper reports a study on the flexibility of a family of 1:1 hydrolysed maleic anhydride (maleic acid, MA)–olefin copolymers in dilute aqueous solution. The…”
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Specific Interactions versus Counterion Condensation. 2. Theoretical Treatment within the Counterion Condensation Theory by Donati, Ivan, Benegas, Julio C, Cesàro, Attilio, Paoletti, Sergio

“…Polyuronates such as pectate and alginate are very well-known examples of biological polyelectrolytes undergoing, upon addition of divalent cations, an…”
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On the Molecular Mechanism of the Calcium-Induced Gelation of Pectate. Different Steps in the Binding of Calcium Ions by Pectate by Donati, Ivan, Benegas, Julio, Paoletti, Sergio

“…Pectic acid/sodium pectate is one of the most widespread hydrocolloid used in the food industry. It is able to form strong ionotropic gels by the addition of…”
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Introducing Pre-Service Math and Biology Teachers to Physics PCK by Benegas, Julio, Villegas, Myriam

“…This work reports a classroom experience of a general physics course designed to foster also the initiation of preservice mathematics and biology teachers to…”
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Chemical and Electrostatic Association of Various Metal Ions by Poly(acrylic acid) and Poly(methacrylic acid) As Studied by Potentiometry by Porasso, Rodolfo D, Benegas, Julio C, van den Hoop, Marc A. G. T

“…Potentiometric titrations have been performed for poly(acrylic acid) (PAA) and poly(methacrylic acid) (PMA) in solution in the presence of different metals…”
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Solvation and expansion of neutral and charged chains of a carbohydrate polyelectrolyte: Galacturonan in water. A critical revisiting by Guidugli, Silvina, Villegas, Myriam, Benegas, Julio, Donati, Ivan, Paoletti, Sergio

“…Experimental and theoretical data have been revisited to shed light onto the aspects of hydration and chain expansion of pectic acid (galacturonan) upon…”
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Analysis of Trace Metal Humic Acid Interactions Using Counterion Condensation Theory by Porasso, Rodolfo D, Benegas, Julio C, van den Hoop, Marc A. G. T, Paoletti, Sergio

“…Recent extensions of counterion condensation theory, originally developed for well-defined linear polyelectrolytes, enable us to analyze the interaction of…”
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Tutorials + PhET: A Simple and Efficient Active-Learning Approach for the Teaching of Kinematics of Circular Motion in a Technically-Oriented High School by Suárez, Mauricio, Pandiella, Susana, Benegas, Julio

“…A quasi-experimental group comparison experiment was conducted to improve the conceptual learning of rotational kinematics by 11th grade students of a…”
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Complexation of heavy metals by humic acids: analysis of voltammetric data by polyelectrolyte theory by van den Hoop, Marc A.G.T, Porasso, Rodolfo D, Benegas, Julio C

“…The complexation of heavy metals by humic acids has been studied by voltammetry for a number of different cases, including (a) different metal ions; (b)…”
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Dissecting the conformational determinants of chitosan and chitlac oligomers by Esteban, Carmen, Donati, Ivan, Pantano, Sergio, Villegas, Myriam, Benegas, Julio, Paoletti, Sergio

“…Chitosan and its highly hydrophilic 1‐deoxy‐lactit‐1‐yl derivative (Chitlac) are polysaccharides with increasing biomedical applications. Aimed to unravel…”
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Potentiometric titration of poly(acrylic acid) in mixed counterion systems: Chemical binding of Cd ions by Benegas, Julio C, Cleven, Rob F.M.J, van den Hoop, Marc A.G.T

“…Potentiometric titration curves of various Cd/poly(acrylic acid) systems have been obtained in order to study the cadmium poly(acrylic acid) interaction. The…”
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Metal ion - ionic polysaccharide interactions: theoretical developments and experimental results by Paoletti, Sergio, Gamini, Amelia, Vetere, Amedeo, Benegas, Julio C.

“…A modification of the Counterion Condensation (CC) theory of linear polyelectrolytes has been developed to take into account the presence of specific…”
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Thermodynamics of the conformational transition of biopolyelectrolytes: The case of specific affinity of counterions by Paoletti, Sergio, Benegas, Julio C., Pantano, Sergio, Vetere, Amedeo

“…A formal development of the Counterion Condensation theory (CC) of linear polyelectrolytes has been performed to include specific (chemical) affinity of…”
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Insight into the Molecular Properties of Chitlac, a Chitosan Derivative for Tissue Engineering by D’Amelio, Nicola, Esteban, Carmen, Coslovi, Anna, Feruglio, Luigi, Uggeri, Fulvio, Villegas, Myriam, Benegas, Julio, Paoletti, Sergio, Donati, Ivan

“…Chitlac is a biocompatible modified polysaccharide composed of a chitosan backbone to which lactitol moieties have been chemically inserted via a reductive…”
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Aprendizaje conceptual en un curso de física general basado en estrategias de aprendizaje activo by Myriam Villegas, Julio Benegas

“…Este trabajo considera del problema del aprendizaje conceptual que puede lograrse en un curso de física general, entendido como aquel que incluye prácticamente…”
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Active Learning of Geometrical Optics in High School: The ALOP Approach by Alborch, Alejandra, Pandiella, Susana, Benegas, Julio

“…A group comparison experiment of two high school classes with pre and post instruction testing has been carried out to study the suitability and advantages of…”
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Polyelectrolytic aspects of the thermodynamics of conformational transition: κ-carrageenan in formamide by Benegas, Julio C., Pantano, Sergio, Vetere, Amedeo, Paoletti, Sergio

“…A recently published method for the determination of the enthalpy and entropy changes of nonionic origin upon conformational transition of linear…”
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Desafíos del covid-19: mantener el aprendizaje activo de la física en la enseñanza a distancia by Benegas, Julio, Lucero, Ana Paula, Villegas, Myriam

“…Se informa sobre una experiencia didáctica para el trabajo a distancia realizada para el dictado en modalidad remota de la asignatura Física para alumnos de…”
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