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Listar por palabra clave "Silica"

Mostrando ítems 1-20 de 42

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A new geopolymeric binder from hydrated-carbonated cement

Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Soriano Martínez, Lourdes; Mitsuuchi Tashima, Mauro (Elsevier, 2012-05)

This paper evaluates the use of hydrated Portland cement as the raw material in the production of geopolymers. The silicon and aluminium oxides needed for the geopolymerization process were produced by the carbonation of ...
Acrylate-silica polymer nanocomposites obtained by sol-gel reactions. Structure, properties and scaffold preparation

Rodríguez Hernández, José Carlos (Universitat Politècnica de València, 2008-12-15)

El manuscrito versa sobre el desarrollo y caracterización de materiales híbridos basados en poliacrilato de hidroxietilo (a partir de ahora PHEA) reforzado por la inclusión de una fase amorfa de sílice. Ambas fases fueron ...
Application of Mesoporous Silica Materials for the Immobilization of Polyphenol Oxidase

Corell Escuin, Paula (Universitat Politècnica de València, 2015-11-05)

[ES] La principal reacción que afecta tanto a frutas como a verduras y que causa un detrimento en su color, sabor, olor y valor nutricional es el pardeamiento enzimático. La polifenol oxidasa (PPO), también llamada tirosinasa, ...
Atrane complexes chemistry as a tool for obtaining trimodal UVM-7-like porous silica

Garrido, María Dolores; García-Llacer, C.; El Haskouri, Jamal; Marcos Martínez, María Dolores; Sánchez-Royo, J. F.; Beltrán, Aurelio; Amorós, P. (Taylor & Francis, 2018)

[EN] The use of atrane complexes as hydrolytic precursors enables the homogeneous incorporation of manganese (25Si/Mn48) throughout the porous walls of the nanoparticles of a surfactant-templated bimodal mesoporous silica ...
Azo dyes functionalized with alkoxysilyl ethers as chemodosimeters for the chromogenic detection of the fluoride anion

Agostini, Alessandro; Milani, Michele; Martínez Mañez, Ramón; Licchelli, Maurizio; Soto Camino, Juan; Sancenón Galarza, Félix (Wiley-VCH Verlag, 2012-09)

Finding fluoride: An azo dye functionalized with tert-butyldimethylsilyl ether has been synthesized and used as a selective chromogenic fluoride sensor in the acetonitrile/water mixtures. The chromogenic response arises ...
Bioactive organic inorganic poly(CLMA-co-HEA)/silica nanocomposites

Ivashchenko, Sergiy; Escobar Ivirico, Jorge Luis; García Cruz, Dunia Mercedes; Campillo Fernández, Alberto José; Gallego-Ferrer, Gloria; Monleón Pradas, Manuel (SAGE Publications, 2015)

[EN] A series of novel poly(CLMA-co-HEA)/silica nanocomposites is synthesized from caprolactone 2-(methacryloyloxy)ethyl ester (CLMA) and 2-hydroxyethyl acrylate (HEA) as organic comonomers and the simultaneous sol-gel ...
Chitosan-silica hybrid porous membranes

Pandis, Christos; Madeira, Sara; Matos, Joana; Kyritsis, Apostolos; Mano, Joao; Gómez Ribelles, José Luís (Elsevier, 2014-09-01)

Chitosan-silica porous hybrids were prepared by a novel strategy in order to improve the mechanical properties of chitosan (CHT) in the hydrogel state. The inorganic silica phase was introduced by sal-gel reactions in ...
Comparative cytotoxic study of silica materials functionalised with essential oil components in HepG2 cells

Fuentes López, Cristina; Ruiz Rico, María; Fuentes López, Ana; Barat Baviera, José Manuel; Ruiz, María José (Elsevier, 2021-01)

[EN] This work evaluated the cytotoxic effect of different EOCs-functionalised silica particle types. The in vitro toxicity of eugenol and vanillin-immobilised SAS, MCM-41 microparticles and MCM-41 nanoparticles was evaluated ...
Control del uso de áridos reactivos contrarrestado con residuos de la industria: aplicación en obra en las islas Granadine

Valbuena Fos, Antonio Roberto (Universitat Politècnica de València, 2024-09-11)

[ES] El objetivo de este trabajo consiste en el diseño de dosificaciones de hormigón para las obras de remodelación del Puerto de Kingstown por parte de la empresa constructora Eiffage. El proyecto fortalecerá las estructuras ...
Correspondence: Strongly-driven Re + CO2 redox reaction at high-pressure and high-temperature

Santamaría-Perez, David; McGuire, C.; Makhluf, A.; Kavner, A.; Chulia-Jordan, R.; Jorda Moret, Jose Luis; Rey Garcia, Fernando; Pellicer Porres, Julio; Martínez García, D.; Rodríguez Hernández, Placida; Munoz, Alfonso (Nature Publishing Group, 2016-11-29)
Degradation of silica particles functionalised with essential oil components under simulated physiological conditions

Fuentes López, Cristina; Ruiz Rico, María; Fuentes López, Ana; Ruiz, María José; Barat Baviera, José Manuel (Elsevier, 2020-11-15)

[EN] In this work, the biodurability of three silica particle types (synthetic amourphous silica, MCM-41 microparticles, MCM-41 nanoparticles) functionalised with three different essential oil components (carvacrol, eugenol, ...
Desarrollo de un nuevo acaricida basado en la inmovilización de compuestos activos de aceites esenciales sobre micropartículas de sílice

Mateo Talavera, Rafael (Universitat Politècnica de València, 2016-10-18)

[ES] El crecimiento de ácaros en las piezas de jamón curado implica pérdidas importantes para los productores, relacionadas con la necesidad de realizar tratamientos que ralentizan la obtención de la pieza comercial u ...
Design of enzyme-mediated controlled release systems based on silica mesoporous supports capped with ester-glycol groups

Agostini, Alessandro; Mondragón Martínez, Laura; Pascual Vidal, Lluís; Aznar Gimeno, Elena; Coll Merino, Mª Carmen; Martínez Mañez, Ramón; Sancenón Galarza, Félix; Soto Camino, Juan; Marcos Martínez, María Dolores; Amoros del Toro, Pedro; Costero, Ana M.; Parra, Margarita; Gil, Salvador (American Chemical Society, 2012-09-21)

[EN] An ethylene glycol-capped hybrid material for the controlled release of molecules in the presence of esterase enzyme has been prepared. The final organic-inorganic hybrid solid S1 was synthesized by a two-step procedure. ...
Enzyme-mediated controlled release systems by anchoring peptide sequences on mesoporous silica supports

Coll Merino, Mª Carmen; Mondragón Martínez, Laura; Martínez Mañez, Ramón; Sancenón Galarza, Félix; Marcos Martínez, María Dolores; Soto Camino, Juan; Amoros del Toro, Pedro Jose; Pérez Payá, Enrique (Wiley-VCH Verlag, 2011-02-01)

Gated community: Peptides anchored to the surface of silica mesoporous supports by a valid procedure act as gatekeepers. In this way, "zero release" supports that selectively deliver the cargo in the presence of a suitable ...
Enzyme-Mediated Controlled Release Systems by Anchoring Peptide Sequences on Mesoporous Silica Supports

Coll Merino, Mª Carmen; Mondragón Martínez, Laura; Martínez Mañez, Ramón; Sancenón Galarza, Félix; Marcos Martínez, María Dolores; Soto Camino, Juan; Amoros del Toro, Pedro Jose; Pérez Payá, Enrique (Wiley-VCH Verlag, 2011-02-25)

[EN] Gated community: Peptides anchored to the surface of silica mesoporous supports by a valid procedure act as gatekeepers. In this way, "zero release" supports that selectively deliver the cargo in the presence of a ...
Experimental investigations on nuclear aerosols in a severe accident

Delgado Tardáguila, Rosario (Universitat Politècnica de València, 2016-05-02)

[EN] In case of a severe accident in a NPP fission products are released from the degraded fuel and may reach the environment if their confinement is lost and/or bypassed. Given the high radio-toxic nature of nuclear ...
Fast Microwave-Assisted Synthesis, Calcination and Functionalization of a Silica Mesoporous Nanomaterial: UVM-7

Díaz de Greñu-Puertas, Borja; Muñoz-Pina, Sara; De los Reyes Cánovas, Ruth; Benitez, Miriam; El Haskouri, Jamal; Amoros del Toro, Pedro; Ros-Lis, José Vicente (John Wiley & Sons, 2023)

[EN] We report here, for the first time, the use of a solid state microwave source for the synthesis, calcination and functionalization of a UVM-7 based hybrid mesoporous silica material. The synthesis of the UVM-7 material ...
Finely tuned temperature-controlled cargo release using paraffin-capped mesoporous silica nanoparticles

Aznar Gimeno, Elena; Mondragón Martínez, Laura; Ros-Lis, José Vicente; Sancenón Galarza, Félix; Marcos Martínez, María Dolores; Martínez Mañez, Ramón; Soto Camino, Juan; Pérez Payá, Enrique; AMOROS DEL TORO, PEDRO (Wiley-VCH Verlag, 2011-09-27)

Trapped: Mesoporous silica nanoparticles were loaded with a fluorescent guest and functionalized with octadecyltrimethoxysilane. The alkyl chains interact with paraffins, which build a hydrophobic layer around the particle ...
Finely Tuned Temperature-Controlled Cargo Release Using Paraffin-Capped Mesoporous Silica Nanoparticles

Aznar Gimeno, Elena; Mondragón Martínez, Laura; Ros-Lis, José Vicente; Sancenón Galarza, Félix; Marcos Martínez, María Dolores; Martínez Mañez, Ramón; Soto Camino, Juan; Pérez Payá, Enrique; Amoros del Toro, Pedro Jose (Wiley-VCH Verlag, 2011-11-18)

[EN] Trapped: Mesoporous silica nanoparticles were loaded with a fluorescent guest and functionalized with octadecyltrimethoxysilane. The alkyl chains interact with paraffins, which build a hydrophobic layer around the ...
Functional silica materials for controlled release, sensing and elimination of target molecules

Candel Busquets, Inmaculada (Universitat Politècnica de València, 2014-07-29)

La presente tesis doctoral titulada “Materiales de sílice funcionales para la liberación controlada, detección y eliminación de moléculas de interés” se centra en el diseño y desarrollo de materiales híbridos ...