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Browsing by Subject "Cellulose"

Now showing items 1-20 of 39

Absorbentes celulósicos obtenidos de la paja de arroz. Influencia del proceso de separación de la celulosa

Molinero Fernández, María (Universitat Politècnica de València, 2022-11-21)

[ES] La paja de arroz es un residuo agroalimentario cuya revalorización es necesaria para reducir su impacto ambiental y aprovechar su potencial composicional en el marco de la economía circular. En este trabajo se han ...
Aerogeles biodegradables aplicados a la agroindustria

Sillero Vizcaíno, Claudia (Universitat Politècnica de València, 2023-09-14)

[ES] El aumento de los periodos de sequía supone uno de los principales problemas para el sector agrícola, tanto a nivel nacional como global. A causa del ascenso global de la temperatura media y el descenso de las ...
Atomization of Microfibrillated Cellulose and Its Incorporation into Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) by Reactive Extrusion

Vieira-De Freitas, Pedro Augusto; Barrasa, Hector; Vargas, Fátima; Rivera, Daniel; Vargas, Maria; Torres-Giner, S. (MDPI AG, 2022-02)

[EN] The present study focuses on the preparation and characterization of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) films that were reinforced with cellulose microstructures to obtain new green composite materials ...
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 ...
Calcium and cell wall dynamics during microspore embryogenesis and double haploid production in rapeseed and eggplant

Rivas Sendra, Alba (Universitat Politècnica de València, 2017-07-20)

Androgenesis induction is an experimental procedure by which microspores are diverted from their original gametophytic pathway towards embryogenesis by applying specific stresses in vitro. It allows for the production of ...
Cell Wall Composition and Structure Define the Developmental Fate of Embryogenic Microspores in Brassica napus

Camacho-Fernández, Carolina; Seguí-Simarro, Jose M.; Mir Moreno, Ricardo; Boutilier, Kim; Corral-Martínez, Patricia (Frontiers Media SA, 2021-10-06)

[EN] Microspore cultures generate a heterogeneous population of embryogenic structures that can be grouped into highly embryogenic structures [exine-enclosed (EE) and loose bicellular structures (LBS)] and barely embryogenic ...
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 ...
Desarrollo de aerogeles biodegradables a partir de residuos ricos en celulosa

Gil Guillén, Irene (Universitat Politècnica de València, 2022-10-24)

[ES] El presente trabajo busca el desarrollo de nuevos materiales más sostenibles que reduzcan la dependencia de los materiales plásticos convencionales y sus derivados. Para ello, se purificará celulosa a partir de residuos ...
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 ...
ESTIMATING mg CO2 GENERATED FROM A COTTON FABRIC DEGRADATION

Sánchez-Martínez, Ainhoa; Belda-Anaya, Raquel; BONET-ARACIL, MARILÉS; Capablanca, Lucía; Gisbert Paya, Jaime (Universit&#259&#355ii din Oradea, 2022)

[EN] Nowadays, concern about sustainability is a fact. Textile industry is considered as one of the most pollutants. There is an increase interest in quantifying the pollution generated by textiles. The chemicals and water ...
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 ...