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Listar por palabra clave "Optical properties"

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ANTIFUNGAL CHITOSAN-BASED FILMS AND COATINGS CONTAINING ESSENTIAL OILS FOR FRUIT APPLICATIONS

Perdones Montero, Ángela (Universitat Politècnica de València, 2016-12-15)

[EN] Chitosan films and coatings have been obtained, by incorporating different essential oils (EO) and using different homogenization conditions of the film forming emulsions, in order to obtain antifungal materials for ...
Desarrollo de snacks de caqui deshidratados para la valoración de destríos postcosecha

García Cases, Ananaí (Universitat Politècnica de València, 2020-09-15)

[ES] El cultivo de caqui ¿Rojo Brillante¿, ha sufrido una gran expansión en los últimos años. Al mismo tiempo, su producción está asociada con una larga cantidad de pérdidas postcosecha que en gran medida se corresponden ...
Desarrollo de un sistema de automatización no destructivo enfocado a la clasificación de pepino en base a sus propiedades ópticas y mecánicas

López Villalobos, Salvador (Universitat Politècnica de València, 2013-04-23)

[ES] El objetivo del trabajo es el desarrollo de un sistema de automatización no destructivo enfocado a la clasificación de pepino en base a sus propiedades ópticas y mecánicas. Para su estudio, los pepinos se almacenaron ...
Determination of refractive index and thickness of a multilayer structure with a single terahertz time domain spectroscopy measurement

Sanjuan, Federico; Bockelt, Alexander; Vidal Rodriguez, Borja (Optical Society of America, 2014-08-01)

A processing technique for the determination of the average refractive index and thickness of a two-layer system is presented. It is based on a single measurement with a standard terahertz time-domain spectrometer and the ...
Development and characterization of active films based on starch-PVA, containing silver nanoparticles

Cano Embuena, Amalia Isabel; Cháfer Nácher, María Teresa; Chiralt, A.; González Martínez, María Consuelo (Elsevier, 2016)

[EN] In order to obtain antimicrobial packaging films, starch-PVA-based films with silver nanoparticles (AgNPs) have been developed and characterized as to their physical and antimicrobial properties and silver release ...
Development of lemon marmalade formulated with new sweeteners (isomaltulose and tagatose): effect on antioxidant, rheological and optical properties

RUBIO-ARRAEZ, SUSANA; Ferrer-Albelda, Carlos; Capella Hernández, Juan Vicente; Ortolá Ortolá, Mª Dolores; Castelló Gómez, María Luisa (Wiley, 2017-04)

The aim of this study was to make lemon marmalades in which sucrose is replaced by sweeteners such as tagatose and isomaltulose. Analyses of Brix, pH, moisture, water activity, antioxidant capacity, optical and rheological ...
Direct hapten-linked multiplexed immunoassays on polycarbonate surface

Tamarit López, Jesús; Morais Ezquerro, Sergi Beñat; Puchades Pla, Rosa; Maquieira Catala, Ángel (Elsevier, 2011-01-15)

Direct hapten-linked multiplexed immunoassay is developed on the polycarbonate surface of standard Digital Versatile Discs (DVDs) for six compounds of environmental concern, as proof of concept. Carboxylated haptens are ...
Diseño de una hamburguesa vegana a base de proteína de guisante y dimensionamiento de una instalación de refrigeración-congelación para su conservación

Abellaneda Pividal, José Carlos (Universitat Politècnica de València, 2023-09-18)

[ES] El creciente interés de la humanidad por cuidar el medio ambiente y su alimentación ha provocado que cada vez se estudien más alternativas a alimentos basados en carne, pues es bastante la evidencia científica que ...
Edible films and coatings: Structures, active functions and trends in their use

Falguera, Víctor; Quintero, Juan Pablo; Jiménez Marco, Alberto; Muñoz, José Aldemar; Ibarz, Albert (Elsevier, 2011-06)

[EN] Edible films and coatings are thin layers of edible materials applied on food products that play an important role on their conservation, distribution and marketing. Some of their functions are to protect the product ...
Efecto de la humedad relativa y del tiempo de almacenamiento en la calidad de plátano primitivo, cacao y quinoa secos en polvo

López Fernández, Sara (Universitat Politècnica de València, 2016-03-29)

[ES] En este trabajo se analizaron muestras de plátano primitivo (Musa acuminata AA), cacao (Theoborma cacao L.) y quinoa (Chenopodium quinua) deshidratadas, equilibradas en ambientes con dos humedades relativas (11,3% ...
Effect of cellulose nanocrystals on the properties of pea starch-poly(vinyl alcohol) blend films

Fortunati, Elena; Cano Embuena, Amalia Isabel; Cháfer Nácher, María Teresa; González Martínez, María Consuelo; Chiralt, A.; Kenny, J.M. (Springer Verlag (Germany), 2015-11)

[EN] Incorporation of cellulose nanocrystals (CNC) to pea starch-poly(vinyl alcohol) (PVA) (1:2 ratio) blend films was carried out in order to improve their physical properties. Different ratios (1, 3 and 5 % wt) of CNC ...
Effect of Deposition Cycles on the Properties of ZnO Thin Films Deposited by Spin Coating Method for CZTS-based Solar Cells

Aamir Shafi, Muhammad; Bouich, Amal; Fradi, Khawla; Marí-Guaita, Julia; Khan, Laiq; Marí, B. (Elsevier, 2022-05)

[EN] The spin-coating technique was used to make ZnO thin films in this study. To get various thicknesses of ZnO thin film on FTO substrate, the numbers of spin coatings were changed, 2,4,6,8, and 10 times. The polycrystalline ...
Effect of porosity on the absorbed, reemitted and transmitted light by a geopolymer metakaolin base

Gasca-Tirado, J. Ramón; Rubio-Ávalos, José Carlos; Muñiz-Villarreal, M. S.; Manzano Ramirez, Alejandro; Reyes-Araiza, José Luis; Sampieri-Bulbarela, S.; Villaseñor-Mora, Carlos; Pérez Bueno, J. J.; Apatiga, L. M.; Amigó Borrás, Vicente (Elsevier, 2011-03-15)

In the present paper, the optical characterization of a geopolymer synthesized at three different temperatures (40, 60 and 90 °C) is described. The results were correlated to the porosity fraction in order to obtain a ...
Elaboración de capas delgadas semiconductoras basadas en óxidos metálicos utilizadas en células fotovoltaicas

Casas Jiménez, Esperanza (Universitat Politècnica de València, 2019-09-25)

[ES] El trabajo de fin de grado que se presenta se basa en la elaboración de capas finas utilizadas en células solares con alta eficiencia. Con ello se pretende obtener células solares eficientes y que sean más económicas ...
Electrodeposited chromium-doped alpha-Fe2O3 under various applied potential configurations for solar water splitting

Bouhjar, Feriel; Derbali, Lotfi; Marí, B.; Bessais, Brahim (Elsevier, 2020-06)

[EN] In this work, high quality hematite (alpha-Fe2O3) Chromium (Cr)-doped thin films have been synthesized via electrodeposition technique, on fluorine-doped fin oxide-coated glass substrates, under various applied potential ...
Electrodeposited Cr-Doped alpha-Fe2O3 thin films active for photoelectrochemical water splitting

Bouhjar, Feriel; Derbali, Lotfi; Marí, B.; Bessais, Brahim (Elsevier, 2020-04-14)

[EN] Polycrystalline hematite (alpha-Fe2O3) Chromium (Cr)-doped thin films were electrodeposited on fluorine-doped tin oxide-coated glass substrates. The electrodeposition bath comprised an aqueous solution containing FeCl3 ...
ESTUDIO DEL EFECTO DE LAS OPERACIONES DE LIOFILIZACIÓN Y DESHIDRATACIÓN OSMÓTICA SOBRE LA VIABILIDAD DE LOS MICROORGANISMOS Y LAS PROPIEDADES ÓPTICAS Y MECÁNICAS DE UN SNACK DE MANZANA (VAR GRANNY SMITH) CON UN ELEVADO CONTENIDO EN LACTOBACILLUS SALIVARIUS SPP. SALIVARIUS

Morales Benavides, Laura (Universitat Politècnica de València, 2012-01-20)

En este trabajo se ha estudiado el efecto de las operaciones de liofilización y deshidratación osmótica sobre la viabilidad de los microorganismos y las propiedades ópticas y mecánicas de un alimento probiótico desarrollado ...
Eugenol incorporation into thermoprocessed starch films using different encapsulating materials

Talón, Emma; Vargas, Maria; Chiralt Boix, Mª Amparo; González Martínez, María Consuelo (Elsevier, 2019-09)

[EN] The effect of the incorporation of eugenol on the mechanical, barrier and antioxidant properties of compression moulded corn starch films was studied as well as the release kinetics. Free or spray-dried encapsulated ...
Élaboration et caractérisation des couches minces d'oxydes conducteurs transparents (TCO) pour les cellules solaires

Koné, Klègayéré Emmanuel (Universitat Politècnica de València, 2024-01-15)

[FR] Ce travail rapporte une investigation sur l’élaboration et la caractérisation de quelques oxydes transparents conducteurs, en occurrence l’oxyde de zinc (ZnO), l’oxyde de titane (TiO2) et l’oxyde de nickel (NiO). ...
Functionalized inorganic nanoparticles used as labels in solid-phase immunoassays

Cháfer Pericás, María Consuelo; Maquieira Catala, Ángel; Puchades, Rosa (Elsevier, 2012-01)

[EN] In recent years, research has focused on the development of different types of inorganic nanoparticles (NPs) to be used as labels in immunoassays instead of fluorophores or organic particles. Basically, inorganic NPs ...