Metabuscador

Filtrado por:

Temas

Idiomas

Año

2012 (1)
2010 (1)
2009 (8)
2008 (6)
2007 (4)
2000 (6)
Más...

Aproximadamente 20 registro(s) hasta el momento: (journal)

Mostrar 10 | 50 | 100 resultados por página

Recurso libre

Silver halide sensitized gelatin holograms in Slavich PFG-01 red-sensitive emulsion
Beléndez Vázquez, Augusto - Neipp López, Cristian - Pascual Villalobos, Inmaculada

Formato:	info:eu-repo/semantics/article
Enlaces:	Silver halide sensitized gelatin (SHSG) is an interesting technique for the production of holographic optical elements. It combines the high sensitivity of photographic emulsions with the well-known low scattering and high diffraction efficiency corresponding to dichromated gelatin. In this paper…
Fecha:	2009-02-02
Recurso:	RUA Docencia

Recurso libre

Oxidative stress triggers STAT3 tyrosine phosphorylation and nuclear translocation in human lymphocytes
Carballo Álvarez, Modesto - Conde, Manuel - El Bekay, Rajaa - Martín Nieto, José - Camacho Herrera, María Jesús - Monteseirín Mateo, Javier - Conde Hernández, José - Bedoya Bergua, Francisco Javier - Sobrino Beneyto, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	Oxidizing agents are powerful activators of factors responsible for the transcriptional activation of cytokine-encoding genes involved in tissue injury. In this study we show evidence that STAT3 is a transcription factor whose activity is modulated by H2O2 in human lymphocytes,…
Fecha:	2009-02-23
Recurso:	RUA Docencia

Recurso libre

Public administration: from bureaucratic culture to citizen-oriented culture
Claver Cortés, Enrique - Llopis Taverner, Juan - Gascó Gascó, José Luis - Molina Manchón, Hipólito - Conca Flor, Francisco José

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper analyzes how public administration may improve the service it offers to citizens through a suitable organizational culture; for this purpose, it starts by studying the specific features of the culture of public administration. In this respect, it analyzes…
Fecha:	2007-09-12
Recurso:	RUA Docencia

Recurso libre

Electrochemical behaviour of amino acids on Pt(hkl): a voltammetric and in situ FTIR study. Part IV. Serine and alanine on Pt(100) and Pt(110)
Huerta Arráez, Francisco - Morallón Núñez, Emilia - Vázquez Picó, José Luis - Aldaz Riera, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	The electrochemical oxidation of serine and alanine was performed at Pt(100) and Pt(110) electrodes and analysed by means of FTIR spectroscopy and cyclic voltammetry. The open circuit adsorption of both amino acids was also investigated. The oxidation of serine gives…
Fecha:	2008-09-25
Recurso:	RUA Docencia

Recurso libre

Oxidation of methylamine and ethylamine on Pt single crystal electrodes in acid medium
Huerta Arráez, Francisco - Morallón Núñez, Emilia - Pérez Martínez, Juan Manuel - Vázquez Picó, José Luis - Aldaz Riera, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	Cyclic voltammetry (CV) and Fourier transform infrared reflection-absorption spectroscopy (FT-IRRAS) have been combined to analyse the oxidation of methylamine and ethylamine on platinum single crystal electrodes in an acidic medium. The oxidation of both amines on Pt(hkl) electrodes gives rise…
Fecha:	2008-09-25
Recurso:	RUA Docencia

Recurso libre

The adsorption of methylamine on Pt single crystal surfaces
Huerta Arráez, Francisco - Morallón Núñez, Emilia - Quijada Tomás, César - Vázquez Picó, José Luis - Pérez Martínez, Juan Manuel - Aldaz Riera, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	The irreversible adsorption of methylamine at platinum single-crystal electrodes has been studied by a combination of electrochemical and in situ spectroscopic techniques. From purely electrochemical data, it has been stated that the adsorption of CH3NH2 molecules results in significant alteration…
Fecha:	2008-09-25
Recurso:	RUA Docencia

Recurso libre

Potential modulated reflectance spectroscopy of Pt(111) in acidic and alkaline media: cyanide adsorption
Huerta Arráez, Francisco - Morallón Núñez, Emilia - Quijada Tomás, César - Vázquez Picó, José Luis - Berlouis, L.E.A.

Formato:	info:eu-repo/semantics/article
Enlaces:	The electroreflectance (ER) technique has been applied to the study of a Pt(111) electrode in different acidic and alkaline electrolytes. The variation in the normalised potential derivative of the reflectance signal, 1/R(dR/dE) is observed in sulphuric and perchloric acid media…
Fecha:	2008-09-25
Recurso:	RUA Docencia

Recurso libre

Fresnel diffraction in a theoretical eye: a fractional Fourier transform approach
Pons Moreno, Álvaro Máximo - Lorente Velázquez, Amalia - Illueca Contri, Carlos - Mas Candela, David - Artigas Verde, José María

Formato:	info:eu-repo/semantics/article
Enlaces:	In this work, we have applied the fractional Fourier transform to obtain the Fresnel diffraction patterns in a theoretical eye. The FRT approach to Fresnel diffraction is easily implemented in a Gullstrand-Emsley theoretical eye, and it allows us to obtain…
Fecha:	2007-10-16
Recurso:	RUA Docencia

Recurso libre

Influence of the gaze-stabilizing eye movements on the quality of the retinal image of the human eye
Pons Moreno, Álvaro Máximo - Lorente Velázquez, Amalia - Illueca Contri, Carlos - Artigas Verde, José María - Felipe Marcet, Adelina

Formato:	info:eu-repo/semantics/article
Enlaces:	In this work we have studied the influence of the gaze stabilizing movements of the eye on the quality of the retinal image of the human eye obtained by double pass methods. The results obtained agree with the expected differences…
Fecha:	2007-10-16
Recurso:	RUA Docencia

Recurso libre

10.

Comparison of nonlinear characteristics of phase holograms processed by various combinations of developers and bleaching agents
Bányász, Istvan - Beléndez Vázquez, Augusto - Pascual Villalobos, Inmaculada - Fimia Gil, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	Optical densities before bleaching and final Lin curves of planewave phase holograms recorded in Agfa—Gevaert 8E75HD emulsions were measured for various combinations of developers (AAC, Pyrogallol and Catechol) and bleaching agents (R-9 and EDTA). To characterize the processing, the square…
Fecha:	2009-02-02
Recurso:	RUA Docencia

Recurso libre

11.

Optimization of a fixation-free rehalogenating bleach for BB-640 holographic emulsion
Neipp López, Cristian - Pascual Villalobos, Inmaculada - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	Fixation-free rehalogenating bleaching is an interesting for the production of phase holograms. The shrinkage of the emulsion is reduced in comparison with other bleaching methods (reversal bleaching or rehalogenating bleaching with fixation). In this paper we present experimental results for…
Fecha:	2009-02-03
Recurso:	RUA Docencia

Recurso libre

12.

Étude de viabilité d'un traitement des eaux résiduaires industrielles par voie electrochimique: un exemple réel
Montiel Leguey, Vicente - García García, Vicente - González García, José - Pérez Mallol, José Ramón - Sánchez Cano, Gaspar - Aldaz Riera, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	Industrial wastewater with a high value of CDO (Chemical Demand of Oxygen e. g. - 100 000 mg.l-1) was treated by electrolysis. The pH, temperature and anode material of the electrolysis process have been optimized. It was shown that the…
Fecha:	2009-02-05
Recurso:	RUA Docencia

Recurso libre

13.

Copying low spatial frequency diffraction gratings in photopolymer as phase holograms
Pascual Villalobos, Inmaculada - Márquez Ruiz, Andrés - Beléndez Vázquez, Augusto - Fimia Gil, Antonio - Campos Coloma, Juan - Yzuel Giménez, María Josefa

Formato:	info:eu-repo/semantics/article
Enlaces:	Photopolymers are studied as holographic recording materials for recording computer-generated phase holograms. The recording was performed using a holographic copying process, in which the master is produced by means of a high resolution graphic device. To our knowledge it is…
Fecha:	2009-02-02
Recurso:	RUA Docencia

Recurso libre

14.

High-energy sensitivity enhancement in panchromatic photopolymers for holography using a mixture of visiblelight photoinitiators
Fimia Gil, Antonio - Mateos Álvarez, Felipe - Mallavia Marín, Ricardo - Blaya Escarre, Salvador - Beléndez Vázquez, Augusto - Sastre Muñoz, Roberto - Amat Guerri, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	A new aqueous photopolymer containing the monomers acrylamide, N,N'-methylenbisacrylamide and zinc acrylate, the initiators 4,5-diiodosuccinylfluorescein (2ISF) and methylene blue (MB), and the coinitiator sodium p-toluenesulphinate is described. This formulation exhibits a clear enhancement of the high-energy sensitivity upon irradiation with…
Fecha:	2009-02-03
Recurso:	RUA Docencia

Recurso libre

15.

Alterations in cholinergic innervation in the auditory system of hamsters with audiogenic epilepsy of genetic origin
López García, Dolores Estilita - Sánchez, Miguel - Saldaña, Enrique - Cantos Coll, Raquel - Rueda Puente, Joaquín - García Atares, Natividad

Formato:	info:eu-repo/semantics/conferenceObject
Enlaces:	Resumen de la comunicación presentada en XXX Meeting, Sociedad Española de Ciencias Fisiológicas, Cáceres, 29 September-2 October 1999.
Fecha:	2010-10-27
Recurso:	RUA Docencia

Recurso libre

16.

Empowering the deaf: let the deaf be deaf
Muñoz Baell, Irma María - Ruiz Cantero, María Teresa

Formato:	info:eu-repo/semantics/article
Enlaces:	Deafness is often regarded as just a one and only phenomenon. Accordingly, deaf people are pictured as a unified body of people who share a single problem. From a medical point of view, we find it usual to work with…
Fecha:	2008-10-31
Recurso:	RUA Docencia

Recurso libre

17.

Characterization of calcineurin in human neutrophils: inhibitory effect of hydrogen peroxide on its enzyme activity and on NF-κB DNA binding
Carballo Álvarez, Modesto - Márquez, Gracia - Conde, Manuel - Martín Nieto, José - Monteseirín Mateo, Javier - Conde Hernández, José - Pintado Sanjuan, Elizabeth - Sobrino Beneyto, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	We describe here a specific calcineurin activity in neutrophil lysates, which is dependent on Ca2+, inhibited by trifluoroperazine, and insensitive to okadaic acid. Immunoblotting experiments using a specific antiserum recognized both the A and B chains of calcineurin. Neutrophils treated…
Fecha:	2009-02-23
Recurso:	RUA Docencia

Recurso libre

18.

Adsorbed cyanide reactions at the Pt(100) surface
Huerta Arráez, Francisco - Morallón Núñez, Emilia - Vázquez Picó, José Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	In contrast to what is observed in alkaline media, cyanide adlayers formed on Pt(100) are very reactive in 0.1 M HClO4 solutions. In this medium, dissimilar behaviour has been observed for the potential regions above and below 0.4 V (RHE).…
Fecha:	2007-11-02
Recurso:	RUA Docencia

Recurso libre

19.

Characterization of a carbon felt electrode: structural and physical properties
González García, José - Bonete Ferrández, Pedro - Expósito Rodríguez, Eduardo - Montiel Leguey, Vicente - Aldaz Riera, Antonio - Torregrosa Maciá, Rosa

Formato:	info:eu-repo/semantics/article
Enlaces:	The aim of this paper is the characterization of a carbon felt (Le Carbone Lorraine, RVC 4002) to be used as three-dimensional electrode. A wide group of very different techniques were used in the physical and structural characterization of this…
Fecha:	2008-11-03
Recurso:	RUA Docencia

Recurso libre

20.

Radial profile of energetic particles bombarding the substrate in a glow discharge
Moreno Marín, Juan Carlos - Abril Sánchez, Isabel - García Molina, Rafael

Formato:	info:eu-repo/semantics/article
Enlaces:	We have analyzed in an interrelated way the main processes that occur in a glow discharge system: generation of the energetic particles that strike the cathode, emission of sputtered and reflected atoms from the cathode, and transport of these particles…
Fecha:	2012-11-27
Recurso:	RUA Docencia