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Listar por palabra clave "Release"

Mostrando ítems 1-19 de 19

A l-glutamate-responsive delivery system based on enzyme-controlled self-immolative arylboronate-gated nanoparticles

Godoy-Reyes, Tania Mariel; Llopis-Lorente, Antoni; García-Fernández, Alba; Gaviña, Pablo; Costero, Ana M.; Villalonga, Reynaldo; Sancenón Galarza, Félix; Martínez-Máñez, Ramón (Royal Society of Chemistry, 2019-04-07)

[EN] We report herein a l-glutamate (l-Glu)-responsive delivery system. It consists of Janus Au-mesoporous silica (MS) nanoparticles functionalized with l-glutamate oxidase on the Au face and with self-immolative arylboronate ...
Análisis de híbridos de polímero-óxido de grafeno para aplicaciones en liberación de fármacos

Sánchez González, Rosa María (Universitat Politècnica de València, 2021-02-01)

[ES] Este Trabajo de Fin de Máster consiste en la elaboración de un proyecto cuyo objetivo es la síntesis y caracterización de un material compuesto biodegradable formado por policaprolactona (PCL) / óxido de grafeno (GO) ...
Antioxidant starch-based films with encapsulated eugenol. Application to sunflower oil preservation

Talón-Argente, Emmanuelle; Vargas, Maria; Chiralt, A.; González Martínez, María Consuelo (Elsevier, 2019-10)

[EN] Starch films containing eugenol, which was added to the film-forming dispersion in free form or encapsulated with different wall materials (whey protein or lecithin), were obtained by casting. The physical and the ...
Characterization of ethylene-vinyl alcohol copolymer containing lauril arginate (LAE) as material for active antimicrobial food packaging

Muriel-Galet, Virginia; López Carballo, Gracia; Hernandez Muñoz, Maria Pilar; GAVARA CLEMENTE, RAFAEL (2014-03)

[EN] The aim of this work was to characterize, as packaging materials, antimicrobial films based on two different ethylene vinyl alcohol copolymers (EVOH 29 and EVOH 44) containing 5 and 10% lauril arginate (LAE). The ...
Chemically modified gliadins as sustained release systems for lysozyme

Fajardo, Paula; Balaguer Grimaldo, María de la Paz; Gómez Estaca, Joaquin; Gavara Clemente, Rafael; Hernandez Muñoz, Maria Pilar (Elsevier, 2014-12)

[EN] The aim of this work has been to study the effectiveness of gliadin films cross-linked with cinnamaldehyde as systems for the release of the natural antimicrobial compound lysozyme. Prior to the incorporation of ...
Desarrollo de microcápsulas como vehículos de liberación de componentes bioactivos

Renart Romagosa, Nuria (Universitat Politècnica de València, 2024-09-02)

[ES] Este trabajo final de grado se enmarca en el proyecto de investigación Microentorno adaptativo para un modelo de enfermedad in vitro de mieloma múltiple PID2022-138572OB-C41. El objetivo del proyecto es avanzar en el ...
Development of active bioplastics based on wheat proteins and natural antimicrobials for food packaging applications

Balaguer Grimaldo, María de la Paz (Universitat Politècnica de València, 2017-01-21)

This PhD dissertation focuses on the development of renewable and biodegradable active films based on chemically-modified wheat gliadin proteins endowed with antimicrobial capacity owing to the incorporation of ...
Development of New Antioxidant Active Packaging Films Based on Ethylene Vinyl Alcohol Copolymer (EVOH) and Green Tea Extract

López de Dicastillo Bergamo, Ana Carolina; Nerín De la Puerta, Cristina; Alfaro, Pilar; Catala Moragrega, Ramón; Gavara Clemente, Rafael; Hernández-Muñoz, Pilar (American Chemical Society, 2011-06-17)

[EN] Ethylene vinyl alcohol copolymer (EVOH) films containing green tea extract were successfully produced by extrusion. The films were brown and translucent, and the addition of the extract increased the water and oxygen ...
Encapsulation of a grape vine extract in ι-carrageenan and gelatin matrices: influence of intermolecular interactions on release properties

Llavata Cabrero, Beatriz (Universitat Politècnica de València, 2017-09-11)

[EN] The aim of this study was to understand the intermolecular interactions between ι- carrageenan and gelatin, two food additives with gelling capacity, as well as their interaction with a grape vine extract, as a ...
Estudio de optimización de la síntesis y gelificación de hidrogeles inyectables y su aplicación como sistemas de liberación de factores de crecimiento hepático

Mares Bou, Sofía (Universitat Politècnica de València, 2021-09-24)

[ES] El daño hepático inducido por fármacos es un evento clínico que puede acarrear daños hepáticos potencialmente mortales y de alto coste y que genera la necesidad del desarrollo de plataformas de cultivo celular capaces ...
Evaluación del coccinélido Rodolia cardinalis (Muslant) en el control biológico de Icerya seychellarum (Westwood) en áreas verdes urbanas de la ciudad de Valencia.

Mata Lara, Natalia (Universitat Politècnica de València, 2022-10-17)

[EN] The Seychelles mealybug, Icerya seychellarum (Hemiptera: Monophlebidae) is a new pest species recently detected in Spain. In the city of Valencia, it's detected the presence of Icerya seychellarum in 2019. Since it's ...
Films de quitosano con eugenol encapsulado en microcápsulas de alginato

Camara Mauri, Sara (Universitat Politècnica de València, 2017-10-18)

[EN] To prevent the accumulation of plastic waste and to extend the shelf- life of food, packaging and films obtained from biodegradable materials are currently being developed. In this work we intend to obtain chitosan ...
Improving the Antioxidant Protection of Packaged Food by Incorporating Natural Flavonoids into Ethylene-Vinyl Alcohol Copolymer (EVOH) Films

Lopez-de-Dicastillo, Carol; Alonso, Jose M.; Catala Moragrega, Ramón; Gavara Clemente, Rafael; Hernandez-Muñoz, Pilar (American Chemical Society, 2010)

[EN] Ethylene-vinyl alcohol copolymer (EVOH) films containing catechin or quercetin as antioxidant agents were successfully produced by extrusion. The addition of these bioactive compounds did not modify greatly their water ...
Influence of temperature and NaCl on the release in aqueous liquid media of aroma compounds encapsulated in edible films

Fabra Rovira, María José; Chambin, odile; Voilley, Andrée; Gay, Jean-Pierre; Frédéric Debeaufort (Elsevier, 2012)

This work analyses the release of n-hexanal and D-limonene from edible films, previously encapsulated in the iota-carrageenan matrix (with and without lipid). Both volatile compounds have different physicochemical properties. ...
Interactive models of communication at the nanoscale using nanoparticles that talk to one another

Llopis-Lorente, Antoni; Díez, P.; Sánchez, A.; Marcos Martínez, María Dolores; Sancenón Galarza, Félix; Martínez-Ruiz, Paloma; Villalonga, Reynaldo; Martínez-Máñez, Ramón (Nature Publishing Group, 2017-05-30)

[EN] 'Communication' between abiotic nanoscale chemical systems is an almost-unexplored field with enormous potential. Here we show the design and preparation of a chemical communication system based on enzyme-powered Janus ...
Pseudorotaxane capped mesoporous silica nanoparticles for 3,4-methylenedioxymethamphetamine (MDMA) detection in water

Lozano-Torres, Beatriz; Pascual, Lluís; Bernardos Bau, Andrea; Marcos Martínez, María Dolores; Jeppesen, Jan Oskar; Salinas Soler, Yolanda; Martínez-Máñez, Ramón; Sancenón Galarza, Félix (The Royal Society of Chemistry, 2017-03-28)

[EN] Mesoporous silica nanoparticles loaded with fluorescein and capped by a pseudorotaxane, formed between a naphthalene derivative and cyclobis(paraquat-p-phenylene) (CBPQT(4+)), were used for the selective and sensitive ...
Reversible Covalent Immobilization of Cinnamaldehyde on Chitosan Films via Schiff Base Formation and Their Application in Active Food Packaging

Higueras-Contreras, Laura; Lopez-Carballo, Gracia; Gavara Clemente, Rafael; Hernández-Muñoz , Pilar (Springer Verlag (Germany), 2015-03)

[EN] In this work, cinnamaldehyde was reversibly anchored to chitosan films via imino-covalent bonding. The Schiff base was synthesized in solid phase employing neutralized chitosan films immersed in acidified 95 % (v/v) ...
Selective catechol-triggered supramolecular gel disassembly

Sáez Cases, José Antonio; Escuder, Beatriu; Miravet, Juan F. (Royal Society of Chemistry, 2010)

[EN] Supramolecular gels formed by an isonicotinic acid derivative in toluene are selectively disassembled in the presence of catechol. The results represent a unique example of molecular recognition associated to gel ...
Study of the release of limonene present in chitosan films enriched with bergamot oil in food simulants

Sánchez González, Laura; Cháfer Nácher, María Teresa; González Martínez, María Consuelo; Chiralt, A.; Desobry, Stéphane (Elsevier, 2011)

[EN] Chitosan films containing different concentrations of bergamot oil (BO) were obtained and the migration of limonene, the major oil component, to five liquid food simulants (aqueous solutions with 0%, 10%, 50% and 95% ...