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Browsing by Subject "Cellulose"

Now showing items 1-20 of 27

AUXIN BINDING PROTEIN1 links cell wall remodelling, auxin signalling and cell expansion in Arabidopsis

Parque, Sebastien; Mouille, Gregory; Grandont, Lauri; Alabadí Diego, David; Gaertner, Cyril; Goyallon, Arnaud; Muller, Philippe; Primard-Brisset, Catherine; Sormany, Rodnay; Blazquez Rodriguez, Miguel Angel; Perrot-Rechenmann, Catherine (American Society of Plant Biologists, 2014-01)

[EN] Cell expansion is an increase in cell size and thus plays an essential role in plant growth and development. Phytohormones and the primary plant cell wall play major roles in the complex process of cell expansion. In ...
Bacterial cellulose nanowhiskers to enhance the properties of plastics and bioplastics of interest in food packaging

Martínez Sanz, Marta (Universitat Politècnica de València, 2013-07-01)

El presente trabajo tiene por objetivo estudiar las aplicaciones de los nanocristales o ¿nanowhiskers¿ extraídos mediante hidrólisis ácida de celulosa bacteriana (BCNW) para el desarrollo de materiales poliméricos y ...
Compatibilization of highly sustainable polylactide/almond shell flour composites by reactive extrusion with maleinized linseed oil

Quiles-Carrillo, Luis; Montanes, Nestor; Sammon, C.; Balart, Rafael; Torres-Giner, S. (Elsevier, 2018-01)

[EN] Highly sustainable composites were produced by melt compounding polylactide (PLA) with almond shell flour (ASF), a processed by-product of the food industry, at a constant weight content of 30 wt.-%. However, due to ...
Correlation of chemical, structural and thermal properties of naturalfibres for their sustainable exploitation

Moriana Torró, Rosana; Vilaplana Domingo, Francisco Javier; Karlsson, Sigbritt; Ribes Greus, María Desamparados (Elsevier, 2014-11-04)

The potential of lignocellulosic natural fibres as renewable resources for thermal conversion and material reinforcement is largely dependent on the correlation between their chemical composition, crystalline structure ...
Development of amino-functionalized membranes for removal of microorganism

Peña-Gomez, Nataly; Ruiz Rico, María; Fernández Segovia, Isabel; Barat Baviera, José Manuel (Elsevier, 2018)

[EN] Treatments to ensure water supply of an acceptable hygienic-sanitary quality is of vast importance. Among unconventional treatments, membrane technologies have recently stood out. Immobilization of antimicrobial ...
Development of polymeric and silica filtering materials functionalized with antimicrobial compounds for the elimination of microorganisms in liquid food

Peña Gomez, Natalie (Universitat Politècnica de València, 2020-02-17)

[ES] En la presente tesis doctoral se ha evaluado el uso de nuevos soportes celulósicos y silíceos como sistemas de filtración para la estabilización y conservación de alimentos líquidos con el fin de afrontar dos grandes ...
Dielectric spectroscopy of natural rubber-cellulose II nanocomposites

Ortiz Serna, Mª Pilar; Díaz Calleja, Ricardo; Sanchis Sánchez, María Jesús; Riande, Evaristo; Numes, R.; Martins, A.; Visconte, L. (Elsevier, 2011)

[EN] Nanocomposite materials obtained from natural rubber (NR) reinforced with different amounts of cellulose II nanoparticles (in the range of 0 to 30 phr) are studied by dielectric spectroscopy (DS). For comparative ...
Direct Conversion of Cellulose into Alkyl Glycoside Surfactants

Puga, Alberto V.; Corma Canós, Avelino (John Wiley & Sons, 2017)

[EN] The one-step production of biodegradable alkyl glycoside (1-dodecyl mono- and oligoglucoside) surfactants from cellulose has been achieved by direct alcoholysis in fatty alcohol media under BrOnsted acid catalysis at ...
Efficient production and separation of biodegradable surfactants from cellulose in 1-butyl-3-methylimidazolium chloride

Puga, Alberto V.; Corma Canós, Avelino (Wiley-VCH Verlag, 2014-12)

[EN] Alkyl glycoside biodegradable surfactants were produced from cellulose and 1-octanol or 1-dodecanol in a one-pot, two-step (hydrolysis-glycosidation) process in 1-butyl-3-methylimidazolium chloride. Both surfactant ...
Embryogenic competence of microspores is associated to their ability to form a callosic, osmoprotective subintinal layer

Rivas-Sendra, Alba; Corral Martínez, Patricia; Porcel, R.; Camacho-Fernández, Carolina; Calabuig-Serna, Antonio; Seguí-Simarro, Jose M. (Oxford University Press, 2019-02-01)

[EN] Microspore embryogenesis is an experimental morphogenic pathway with important applications in basic research and applied plant breeding, but its genetic, cellular, and molecular bases are poorly understood. We applied ...
Estudio comparativo de materiales sostenibles aislantes en arquitectura

Segura Cruz, Joaquín (Universitat Politècnica de València, 2020-02-19)

[ES] El objetivo de este trabajo es estudiar diferentes alternativas al aislamiento térmico tipo que se emplea actualmente dentro de la tipología de cerramiento de dos hojas con o sin cámara de aire y aislamiento térmico ...
Estudio de fuentes alternativas a la madera para la obtencion de celulosa

Dhia, Mehdi (Universitat Politècnica de València, 2021-10-22)

[ES] Este trabajo se dedica a estudiar tres fuentes alternativas a la madera para la obtención de la celulosa que son bagazo de alcachofa (Cynara scolymus), tallo de malva (Malva arborea) y espiga de maíz (Zea mays). Se ...
Estudio de los diferentes tratamientos y modificaciones para la producción de celulosa nanofibrilar modificada

García Gimeno, Joan (Universitat Politècnica de València, 2021-02-18)

[EN] Today society is focused on sustainability, for this reason is necessary to invest in the study of new materials. In this case, nanocellulose is a novel, recyclable and non-toxic material, which can be used to replace ...
Evaluación de los cambios estructurales de galletas elaboradas con sustitutos de grasa

Embuena Candela, María de los Desamparados (Universitat Politècnica de València, 2015-09-02)

[EN] In a social context in which the consumer values increasingly healthy and low-fat foods, biscuits reformulation has been studied to decrease its lipid content. In order to investigate it, two variables were selected, ...
Immobilisation of yeasts on oak chips or cellulose powder for use in bottle-fermented sparkling wine

Berbegal, Carmen; Polo, Lucía; García Esparza, Mª José; Lizama Abad, Victoria; Ferrer, Sergi; Pardo, Isabel (Elsevier, 2019-04)

[EN] Sparkling wine production comprises two successive fermentations performed by Sacharomyces cerevisiae strains. This research aimed to: develop yeast immobilisation processes on two wine-compatible supports; study the ...
Improved antimicrobial activity of immobilised essential oil components against representative spoilage wine microorganisms

García-Ríos, Estéfani; Ruiz Rico, María; Guillamón Navarro, José Manuel; Pérez-Esteve, Édgar; Barat Baviera, José Manuel (Elsevier, 2018)

[EN] Wine, as a fermented drink, is considered a microbiologically safe beverage, but the growth of spoilage microorganisms can cause economic damage. As a new preservative process, the application of immobilised essential ...
Modelling the enantioresolution capability of cellulose tris(3,5-dichlorophenylcarbamate) stationary phase in reversed phase conditions for neutral and basic chiral compounds

Martin-Biosca, Y.; Escuder-Gilabert, Laura; Medina-Hernandez, M. J.; Sagrado Vives, Salvador (Elsevier, 2018)

[EN] To the best of our knowledge, the prediction of the enantioresolution ability of polysaccharides-based stationary phases in liquid chromatography for structurally unrelated compounds has not been previously reported. ...
Obtención de oleogeles de HPMC. Influencia de la formulación y del procesado sobre la estabilidad

Villamayor Belinchón, María (Universitat Politècnica de València, 2019-09-26)

[ES] Numerosos estudios realizados en los últimos años han demostrado la relación directa entre el elevado consumo de grasas saturadas y trans y el aumento del riesgo de padecer enfermedades cardiovasculares y diabetes. ...
Prediction models for higher heating value based on the structural analysis of the biomass of plant remains from the greenhouses of Almería (Spain)

Callejon-Ferre, A. J.; Carreno-Sanchez, J.; Suarez-Medina, F. J.; Perez-Alonso, J.; Velázquez Martí, Borja (Elsevier, 2014-01)

Within the realm of renewable energies, biomass will play a fundamental role in the coming years, especially due to the rise in the prices of fossil fuels, the doubtful safety of nuclear energy, and the need to reduce CO2 ...
Preservation of aseptic conditions in absorbent pads by using silver nanotechnology

Fernandez, Avelina; Soriano, Eva; López-Carballo, Gracia; Picouet, Pierre; Lloret, Elsa; GAVARA CLEMENTE, RAFAEL; Hernández-Muñoz, Pilar (Elsevier, 2009-10)

[EN] Silver nanoparticles have been formed in fluff pulp and nanostructured Lyocell fibres by immersion in silver nitrate, and a subsequent transformation of the adsorbed silver ions into elementary silver nanoparticles by ...