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Browsing by Subject "Permeability"

Now showing items 1-20 of 20

A promising camptothecin derivative: Semisynthesis, antitumor activity and intestinal permeability

Rodríguez Berna, Guillermo; Mangas Sanjuan, Victor; Gonzalez Alvarez, Marta; Gonzalez Álvarez, Isabel; Garcia Gimenez, Jose Luis; Díaz Cabañas, Mª José; Bermejo, Marival; Corma Canós, Avelino (Elsevier, 2014-08-18)

Oral administration of camptothecin (Cm) derivatives and other antitumoral agents is being actively developed in order to improve the quality of life of patients with cancer. Though several lipophilic derivatives of CPT ...
Acondicionamiento y mejora de la N-340a, travesía de Vinaròs. Tramo norte, alternativa 2

Pamies Catalán, David (2016-09-02)

[EN] The main objective of this final degree project is the remodeling and improvement of the N 340a side street in their way to Vinaròs. This project responds to a necessity to adapt the road to a new uses around urban ...
Barrier properties of sodium caseinate films as affected by lipid composition and moisture content

Fabra Rovira, María José; Talens Oliag, Pau; GAVARA CLEMENTE, RAFAEL; Chiralt Boix, Mª Amparo (Elsevier, 2012-04)

This work analyses the effect of lipid addition (oleic acid, beeswax and oleic acid-beeswax mixtures) as well as the influence of the relative humidity (RH), or the equilibrium water content of the films, on the permeability ...
Computational methodology to determine fluid related parameters on non regular three-dimensional scaffolds.

Acosta Santamaría, Víctor Andrés; Malvé, M.; Duizabo, A.; Mena Tobar, A.; Gallego Ferrer, Gloria; García Aznar, J.M.; Doblare Castellano, Manuel; Ochoa, I. (Springer Verlag (Germany), 2013-11)

The application of three-dimensional (3D) biomaterials to facilitate the adhesion, proliferation, and differentiation of cells has been widely studied for tissue engineering purposes. The fabrication methods used to ...
Configurational entropy calculation of poly(α-alkyl β,L-aspartate)s amorphous and crystalline films using gas permeation

del Castillo, Luis Felipe; Andrio Balado, Andreu; Nava, José Antonio; Mollá Romano, Sergio; Muñoz-Guerra, Sebastian; Compañ Moreno, Vicente (Elsevier, 2014-10)

The permeability and diffusion coefficient of gases such as N-2, O-2 and CO2 through two polymeric membranes of poly(alpha-alkyl beta,L-aspartate)s (PAALA-n) were determined by the "time-lag" method. One of these membranes ...
Depth Configurations. Proximity, Permeability and Territorial Boundaries in Urban Projects.

Scheerlinck, Kris W. B. (2012-03-14)

"Territorial depth is measured by the number of boundary crossings needed to move from the outer space to the innermost territory" (N.J. Habraken, "The Structure of the Ordinary" MIT Press Cambridge 1998) Depth configurations ...
Diseño y construcción de pavimentos de hormigón poroso

Fernández Muñoz, Vicent (2014-12-17)

[es] Para el presente estudio se pretende estudiar diferentes hormigones porosos para el desarrollo de pavimentos para vías urbanas con un comportamiento adecuado para soportar tráfico ligero. Se considera la posibilidad ...
Effect of crystalline admixtures on the self-healing capability of early-age concrete studied by means of permeability and crack closing tests

Roig Flores, Marta; Pirritano, F.; Serna Ros, Pedro; Ferrara, L. (Elsevier, 2016-07)

This paper analyzes the self-healing properties of early-age concretes, engineered using a crystalline admixture (4% by the weight of cement), by measuring the permeability of cracked specimens and their crack width. Two ...
Evolution of the critical oxygen tension

Chang, Annie; Compañ Moreno, Vicente; Weissman, Barry A. (PentaVision Media, 2018)
Experimental determination of the permeability of engineering textiles: Benchmark II

Vernet, N.; Ruiz, E.; Advani, S.; Alms, J. B.; Aubert, M.; Barburski, M.; Barari, B.; Beraud, J. M.; Berg, D. C.; Correia, N.; Danzi, M.; Delaviere, T.; Dickert, M.; Di Fratta, C.; Endruweit, A.; Ermanni, P.; Francucci, G.; García Manrique, Juan Antonio; George, A.; Hahn, C.; Klunker, F.; Lomov, S. V.; Long, A.; Louis, B.; Maldonado, J.; Meier, R.; Michaud, V.; Perrin, H.; Pillai, K.; Rodriguez, E.; Trochu, F.; Verheyden, S.; Wietgrefe, M.; Xiong, W.; Zaremba, S.; Ziegmann, G. (Elsevier, 2014-06)

In this second international permeability benchmark, the in-plane permeability values of a carbon fabric were studied by twelve research groups worldwide. One participant also investigated the deformation of the tested ...
Experimental theoretical methodology for determination of inertial pressure drop distribution and pore structure properties in wall-flow diesel particulate filters (DPFs)

Payri González, Francisco; Broatch Jacobi, Jaime Alberto; Serrano Cruz, José Ramón; Piqueras Cabrera, Pedro (Elsevier, 2011-12)

Wall-flow particulate filters have been placed as a standard technology for Diesel engines because of the increasing restrictions to soot emissions. The inclusion of this system within the exhaust line requires the development ...
Fixed-bed drying of grains: analysis of the structural properties of packed-beds of non-spherical particles

Altino, Heitor; Ferreira, Maria do Carmo (Editorial Universitat Politècnica de València, 2018-09-07)

[EN] Structural properties of packed-beds of non-spherical biological materials were investigated. The particles tested were oats, lentil, barley and soy, with sphericity ranging from 0.4 to 0.8. Porous alumina particles ...
Identification of moisture transport mechanism in gypsum during convective drying

Adamski, Robert; Adamska, A.; Pakowski, Z. (Editorial Universitat Politècnica de València, 2018-09-07)

[EN] Gypsum is a popular building material. Drying and rewetting of gypsum is a process of practical importance. This work presents the experimental results of kinetic of drying, heating and internal pressure development ...
Improvement of transport properties and hydrogen permeation of chemically-stable proton conducting oxides bases on the system BaZr1-x-yYxMyO3-δ

Escolástico Rozalén, Sonia; Ivanova, Mariya; Solis Díaz, Cecilia; Roitsch, Stefan; Meulenberg, Wilhem Albert; Serra Alfaro, José Manuel (Royal Society of Chemistry, 2012)

[EN] The structural and transport properties as well as the chemical stability of a series of proton-conducting oxides based on yttrium-doped barium zirconate were investigated. Specifically, Pr-, Fe- and Mn-doped ...
Influence of total solids concentration on membrane permeability in a submerged hollow-fibre anaerobic membrane bioreactor

Robles Martínez, Ángel; Durán Pinzón, Freddy; Ruano García, María Victoria; Ribes Bertomeu, Jose; Ferrer Polo, José (IWA Publishing, 2012)

The main aim of this work was to study the influence of the mixed liquor total solids (MLTS) concentration on membrane permeability (K 20) in a submerged anaerobic membrane bioreactor (SAnMBR) pilot plant, which is equipped ...
Performance of pervious concrete containing combined recycled aggregates

Ulloa-Mayorga, Vivian A.; Uribe-Garcés, Manuel A.; Paz-Gómez, Diego P.; Alvarado, Yezid A.; Torres Górriz, Benjamín; Gasch, Isabel (Universidad Nacional de Colombia, 2018)

[EN] This study evaluates the influence of incorporating two different types of recycled aggregates (RA) from construction and demolition waste (CDW), brick ceramic aggregate (RA1) and crushed concrete aggregate (RA2), ...
Permeability of coextruded LLDPE films to oxygen and carbon dioxide as determined by electrochemical techniques

Compañ Moreno, Vicente; Ribes-Greus, A.; Díaz Calleja, Ricardo; Riande, Evaristo (Elsevier, 1996)
Relationship between micro-porosity, water permeability and mechanical behavior in scaffolds for cartilage engineering

Vikingsson, Line Karina Alva; Claessens, B.; Gómez Tejedor, José Antonio; Gallego Ferrer, Gloria; Gómez Ribelles, José Luís (Elsevier, 2015-08)

In tissue engineering the design and optimization of biodegradable polymeric scaffolds with a 3D-structure is an important field. The porous scaffold provide the cells with an adequate biomechanical environment that allows ...
Role of starch characteristics in the properties of low-cost ceramic membranes

Lorente-Ayza, M. Magdalena; Orts, M.J.; Pérez-Herranz, Valentín; Mestre, Sergio (Elsevier, 2015-08)

Starch is used as porosity generator in membranes and other porous ceramics. A study was conducted to evaluate the effects of the characteristicsof starches (impurities, particle size), obtained from potato, pea, maize and ...
Self-healing capability of concrete with crystalline admixtures in different environments

Roig Flores, Marta; Moscato, S.; Serna Ros, Pedro; Ferrara, Liberato (Elsevier, 2015-07)

The aim of this study is analyzing the self-healing effect of a crystalline admixture in four types of environmental exposure comparing with a reference concrete. Healing was studied by means of permeability tests on cracked ...