Visualitza FCA_Articles per autoria "822ad376-285a-4bb6-9687-9bda0eba8ba8"
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A refined model on flow and oxygen consumption in the human cornea depending on the oxygen tension at the interface cornea/post lens tear film during contact lens wear
Compañ, Vicente; Aguilella-Arzo, Marcel; del Castillo, Roxana; Espinós Gutiérrez, Francisco J.; del Castillo, Luis Felipe Elsevier (2021-02-13)The study of oxygen consumption rate under” in vivo” human cornea during contact lens wear has been technically a challenge and several attempts have been made in the last 20 years to model the physiology of the human ... -
A three-dimensional model to describe complete human corneal oxygenation during contact lens wear
Aguilella-Arzo, Marcel; Compañ, Vicente Wiley (2022-10-10)We perform a novel 3D study to quantify the corneal oxygen consumption and diffusion in each part of the cornea with different contact lens materials. The oxygen profile is calculated as a function of oxygen tension at the ... -
Analysis of the application of the generalized monod kinetics model to describe the human corneal oxygen-consumption rate during soft contact lens wear
Compañ, Vicente; Aguilella-Arzo, Marcel; Del Castillo, Luis F.; Hernández, Saúl Iván; González Méijome, J.M. Wiley (2017-10)This work is an analysis of the application of the generalized Monod kinetics model describing human corneal oxygen consumption during soft contact lens wear to models previously used by Chhabra et al. (J Biomed Mater Res ... -
Are the Accompanying Cations of Doping Anions Influential in Conducting Organic Polymers? The Case of the Popular PEDOT
Fuentes, Isabel; Mostazo-López, María José; Kelemen, Dr. Zsolt; Compañ, Vicente; Andrio, Andreu; Morallón, Emilia; Cazorla-Amoros, Diego; Viñas, Clara; Teixidor, Francesc Wiley (2019-11-13)Conducting organic polymers (COPs) are made of a conjugated polymer backbone supporting a certain degree of oxidation. These positive charges are compensated by the doping anions that are introduced into the polymer synthesis ... -
Comments to paper entitled: Predicting scleral GP lens entrapped tear layer oxygen tensions (Letter)
Compañ, Vicente; Aguilella-Arzo, Marcel; Montero, Alvaro E.; Mollá, Sergio; Oliveira, C.; Peixoto de Matos, S.C.; González Méijome, J.M. Elsevier (2015-10) -
Conductivity study of Zeolitic Imidazolate Frameworks, Tetrabutylammonium hydroxide doped with Zeolitic Imidazolate Frameworks, and mixed matrix membranes of Polyetherimide/ Tetrabutylammonium hydroxide doped with Zeolitic Imidazolate Frameworks for proton conducting applications
Vega, J.; Andrio, Andreu; Lemus, A. A.; Del Castillo, Luis F.; Compañ, Vicente Elsevier (2017)ZIF-8 (Z8), ZIF-67 (Z67), and ZMix, a Zn/Co bimetallic zeolitic imidazolate framework (ZIF), were syn- thesized and doped with tetrabutylammonium hydroxide (ZIFsT). The obtained powders were used as fillers for polyetherimide ... -
Configurational entropy calculation of poly(α-alkyl β,L-aspartate)s amorphous and crystalline films using gas permeation
Del Castillo, Luis F.; Andrio, Andreu; Nava, J.A.; Mollá, Sergio; Muñoz Guerra, S.; Compañ, Vicente Elsevier (2014)The permeability and diffusion coefficient of gases such as N2, O2 and CO2 through two polymeric membranes of poly(α-alkyl β,L-aspartate)s (PAALA-n) were determined by the “time-lag” method. One of these membranes was ... -
Corneal relaxation time estimation as a function of tear oxygen tension in human cornea during contact lens wear
Del Castillo, Luis Felipe; Ramirez-Calderon, Juanibeth; del Castillo, Roxana; Aguilella-Arzo, Marcel; Compañ, Vicente John Wiley & Sons (2019-12-03)The purpose is to estimate the oxygen diffusion coefficient and the relaxation time of the cornea with respect to the oxygen tension at the cornea–tears interface. Both findings are discussed. From the experimental data ... -
Diffusion and Monod kinetics model to determine in vivo human corneal oxygen-consumption rate during soft contact lens wear
Del Castillo, Luis F.; Ferreira da Silva, Ana R.; Hernández, Saúl Iván; Aguilella-Arzo, Marcel; Andrio, Andreu; Mollá, Sergio; Compañ, Vicente Elsevier (2015-01)Purpose: We present an analysis of the corneal oxygen consumption Qc from non-linear models, using data of oxygen partial pressure or tension (pO2pO2) obtained from in vivo estimation previously reported by other authors. ... -
Effect of annealing on the permeation characteristics of gases of coextruded LLDPE films
Compañ, Vicente; Andrio, Andreu; López Peris, María Lidón; Riande, Evaristo Elsevier (1996)The temperature dependence of both the permeability and diffusion coefficients of carbon dioxide, oxygen and nitrogen in annealed LLDPE films are studied. It is found that the values of the permeability coefficient through ... -
Effect of metallacarborane salt H[COSANE] doping on the performance properties of polybenzimidazole membranes for high temperature PEMFCs
Olvera-Mancilla, Jessica; Escorihuela, Jorge; Alexandrova, Larissa; Andrio, Andreu; García Bernabé, Abel; Del Castillo, Luis Felipe; Compañ, Vicente Royal Society of Chemistry (2020-07-31)In this paper, a series of composite proton exchange membranes comprising a cobaltacarborane protonated H[Co(C2B9H11)2] named (H[COSANE]) and polybenzimidazole (PBI) for a high temperature proton exchange membrane fuel ... -
Electric Conductivity Study of Porous Polyvinyl Alcohol/Graphene/Clay Aerogels: Effect of Compression
Compañ, Vicente; Andrio, Andreu; Escorihuela, Jorge; Velasco, Josua; Porras-Vazquez, Alejandro; Gamez-Perez, Jose American Chemical Society (2022-10-12)In this work, poly(vinyl alcohol) (PVOH)/graphene (GN) oxide/clay aerogels were prepared using montmorillonite (MMT) and kaolinite (KLT) as fillers. This work paves the way for the development of aerogels filled with MMT ... -
Electrical conductivity of an all-natural and biocompatible semi-interpenetrating polymer network containing a deep eutectic solvent
Gachuz Vazquez, Edwin Jhonatan; Castillo-Santillán, Martín; Juárez-Moreno, Karla; Maya-Cornejo, Jose; Martínez-Richa, Antonio; Andrio, Andreu; Compañ, Vicente; Mota-Morales, Josue Royal Society of Chemistry (2020-07-29)A series of semi-interpenetrating polymer networks (semi-IPNs) consisting of crosslinked poly(itaconic acid) in the presence of the polysaccharide inulin were prepared by free-radical polymerization, taking advantage of ... -
Enhanced Conductivity of Composite Membranes Based on Sulfonated Poly(Ether Ether Ketone) (SPEEK) with Zeolitic Imidazolate Frameworks (ZIFs)
Barjola, Arturo; Escorihuela, Jorge; Andrio, Andreu; Giménez, Enrique; Compañ, Vicente MDPI (2018)The zeolitic imidazolate frameworks (ZIFs) ZIF-8, ZIF-67, and a Zn/Co bimetallic mixture (ZMix) were synthesized and used as fillers in the preparation of composite sulfonated poly(ether ether ketone) (SPEEK) membranes. ... -
Enhanced conductivity of sodium versus lithium salts measured by impedance spectroscopy. Sodium cobaltacarboranes as electrolytes of choice
Fuentes, Isabel; Andrio, Andreu; Teixidor, Francesc; Viñas, Clara; Compañ, Vicente Royal Society of Chemistry (2017)The development of new types of ion conducting materials is one of the most important challenges in the field of energy. Lithium salt polymer electrolytes have been the most convenient, and thus the most widely used in ... -
Entropic restrictions control the electric conductance of superprotonic ionic solids
Santamaria-Holek, I.; Ledesma-Durán, Aldo; Hernández, Saúl Iván; García-Alcántara, Consuelo; Andrio, Andreu; Compañ, Vicente Royal Society of Chemistry (2020)The crystallographic structure of solid electrolytes and other materials determines the protonic conductivity in devices such as fuel cells, ionic-conductors, and supercapacitors. Experiments show that a rise of the ... -
High proton conductivity at low and moderate temperature in a simple family of Prussian blue analogs, divalent transition metal hexacyanocobaltates (III)
Vega, J.; Lemus, A. A.; Reguera, E; Andrio, Andreu; Compañ, Vicente Elsevier (2020-11-10)Proton conductivity behavior was studied in a family of hexacyanocobaltates with divalent transition metals (II), HCCMs. The HCCMs, with molecular formula M3[Co(CN)6]2∙xH2O (where M = Ni, Co, Fe, Mn and Cd), had cubic ... -
How to switch from a poor PEDOT:X oxygen evolution reaction (OER) to a good one. A study on dual redox reversible PEDOT:metallacarborane
Xavier, Jewel Ann Maria; Fuentes, I.; Nuez Martínez, Miquel; Kelemen, Dr. Zsolt; Andrio, Andreu; Viñas Teixidor, Clara; Compañ, Vicente; Teixidor, Francesc Royal Society of Chemistry (2022-07-19)Over the years, extensive research has been carried out to optimize the oxygen evolution reaction (OER) by adopting different techniques as well as catalysts. Conducting organic polymers such as PEDOT have been employed ... -
Influence of the anion on diffusivity and mobility of ionic liquids composite polybenzimidazol membranes
Compañ, Vicente; Escorihuela, Jorge; Olvera-Mancilla, Jessica; García Bernabé, Abel; Andrio, Andreu Elsevier (2020-07-04)The study of proton conductivity processes has received increasing attention in the past decades due to their potential applications in fields such as electrochemical devices and fuel cells. Despite the high number of ... -
Ionic conductivity and diffusion coefficients of lithium salt polymer electrolytes measured with dielectric spectroscopy
Munar, Antoni; Andrio, Andreu; Iserte, Rosa; Compañ, Vicente Elsevier (2011)Ionic conductivity, diffusion coefficients, mobility and ionic concentration for lithium salts dissolved in polymer electrolytes are determined by the modeling of the dielectric loss and spectra. Cation and anion diffusion ...