BackBrowsing Artículos, Comunicaciones, Libros by Title
Now showing items 7727-7746 of 11533
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Opposite Alterations of 5¬HT2A Receptor Brain Density in Subjects with Schizophrenia: Relevance of Radiotracers Pharmacological Profile
Díez Alarcia, Rebeca
; Muguruza Millán, Carolina ; Rivero Calera, Guadalupe ; García Bea, Aintzane; Gómez Vallejo, Vanessa; Callado Hernando, Luis Felipe ; Llop Roig, Jordi ; Martín Muñoz, Abraham; Meana Martínez, José Javier (Springer, 2021-05-20)
The status of serotonin 5HT2A receptors (5HT2ARs) in schizophrenia has been controversial. In vivo positron emission tomography neuroimaging and in vitro post-mortem binding studies have reported conflicting results about ... -
Opposite Cannabis-Cognition Associations in Psychotic Patients Depending on Family History
González Pinto Arrillaga, Ana María; ; Alberich, Susana ; Ruiz de Azúa García, Sonia ; ; ; ; ; ; ; ; ; (Public Library Science, 2016-08-11)
The objective of this study is to investigate cognitive performance in a first-episode psychosis sample, when stratifying the interaction by cannabis use and familial or non-familial psychosis. Hierarchical-regression ... -
Optical Characterization of Doped Thermoplastic and Thermosetting Polymer-Optical-Fibers
Ayesta Ereño, Igor; Illarramendi Leturia, María Asunción ; Arrue Aramburu, Juan Antonio ; Parola Domingo, Itxaso; Jiménez Hernández, Felipe; ; Tagaya, Akihiro; Koike, Yasuhiro (MDPI, 2017-03)
The emission properties of a graded-index thermoplastic polymer optical fiber and a step-index thermosetting one, both doped with rhodamine 6G, have been studied. The work includes a detailed analysis of the amplified ... -
Optical Dual Laser Based Sensor Denoising for OnlineMetal Sheet Flatness Measurement Using Hermite Interpolation
(MDPI, 2020-09-22)Flatness sensors are required for quality control of metal sheets obtained from steel coils by roller leveling and cutting systems. This article presents an innovative system for real-time robust surface estimation of ... -
Optical fiber interferometer for temperature-independent refractive index measuring over a broad range
; Illarramendi Leturia, María Asunción; ; (Elsevier, 2021-07)
The present work relates to manufacturing of a simple interferometric optical fiber refractometer that features broad refractive index measuring range without ambiguity. The device consists of a cylindrical polymer cavity ... -
Optical Fiber Sensors for Aircraft Structural Health Monitoring
García Esteban-Barcina, Iker; ; Durana Apaolaza, Gaizka ; Aldabaldetreku Etxeberria, Gotzon ; Illarramendi Leturia, María Asunción ; (MDPI, 2015-06)
Aircraft structures require periodic and scheduled inspection and maintenance operations due to their special operating conditions and the principles of design employed to develop them. Therefore, structural health monitoring ... -
Optical Functionality Simulation Through Traceable Characterization of Optical Components
(Elsevier, 2024-03-13)The production of high-value components containing functional micro- and submicron-scale features requires the implementation of high-quality in-process inspection technologies to guarantee zero-defect manufacturing, ... -
Optical Helicity and Optical Chirality in Free Space and in the Presence of Matter
(MDPI, 2019-09-03)The inherently weak nature of chiral light-matter interactions can be enhanced by orders of magnitude utilizing artificially-engineered nanophotonic structures. These structures enable high spatial concentration of ... -
Optical properties of metals: Infrared emissivity in the anomalous skin effect spectral region
Echániz Ariceta, Telmo; ; (American Institute of Physics, 2014-09-07)
When the penetration depth of an electromagnetic wave in a metal is similar to the mean free path of the conduction electrons, the Drude classical theory is no longer satisfied and the skin effect becomes anomalous. Physical ... -
Optical Single Cell Resolution Cytotoxicity Biosensor Based onSingle Cell Adhesion Dot Arrays
García Hernando, Maite; Calatayud Sánchez, Alba ; ; Martínez de Pancorbo Gómez, María de los Angeles ; Benito López, Fernando ; Basabe Desmonts, Lourdes (American Chemical Society, 2020-05-28)
Low cost easy to use cell viability tests are needed in the pharmaceutical, biomaterial and environmental industry to measure adverse cellular effects. Herein we present a new methodology to track cell death with high ... -
Optical Tip Clearance Measurements as a Tool for Rotating Disk Characterization
García Esteban-Barcina, Iker; ; Beloki Perurena, Josu; Arrue Aramburu, Juan Antonio ; Durana Apaolaza, Gaizka ; Aldabaldetreku Etxeberria, Gotzon (MDPI, 2017-01)
An experimental investigation on the vibrational behavior of a rotating disk by means of three optical fiber sensors is presented. The disk, which is a scale model of the real disk of an aircraft engine, was assembled in ... -
Optically active multilayer films based on chitosan and an azopolymer
(2014-02-24)The layer-by-layer technique has been widely adopted for the fabrication of nanostructures with tailored properties. In this work, photoactive multilayer films consisting of alternating layers of chitosan and an azopolymer ... -
Optically active nano-glass-ceramic coatings of Nd3+ doped-80SiO2-20LaF3 prepared by the pre-crystallized nanoparticles sol-gel route
; ; ; Balda de la Cruz, Rolindes; (Elsevier, 2023-02)
Transparent oxyfluoride glass-ceramic (OxGCs) coatings with composition 1.2Nd3+ 80SiO2- 20LaF3 were prepared following a sol-gel route labelled “pre-crystallized nanoparticles route”. OxGCs are transparent materials composed ... -
Optimal Connection Voltage of Soft Open Point and Shore-to-Ship Power Converters for Enhanced Capacitive Reactive Power Operation
; ; Eguía López, Pablo; ; (IEEE, 2024-01)
Soft Open Point and Shore-to-Ship Power applications permit to deploy smart grid infrastructure into distribution and port networks. Both are based on power electronics converters that require an optimal integration to ... -
Optimal Coordination of PV Active Power Curtailment and EVs Charging among Aggregators
; Merino Fernández, Julia; ; Mazón Sainz-Maza, Angel Javier (MDPI, 2020-10-15)
With the growing adoption of electric vehicles (EVs) and residential photovoltaic (PV) systems around the world, the distribution system operators (DSOs) are facing several technical challenges on their network planning ... -
Optimal data transmission and pathfinding for WSN and decentralized IoT systems using I-GWO and Ex-GWO algorithms
(Elsevier, 2023-01)Efficient resource use is a very important issue in wireless sensor networks and decentral-ized IoT-based systems. In this context, a smooth pathfinding mechanism can achieve this goal. However, since this problem is a ... -
Optimal design and operation of distributed electrical generation for Italian positive energy districts with biomass district heating
(Elsevier, 2022-07-06)[EN] The active participation of prosumers within the energy generation and distribution stages has revolutionized the energy market favoring the rise of decentralized energy supply configurations and representing a key ... -
Optimal design and operation of thermal energy storage systems in micro-cogeneration plants
(Elsevier, 2020-03-12)The implementation of micro-cogeneration plants in residential buildings requires a technical and economic viability study. This analysis depends greatly on the regulatory framework controlling this kind of installations, ... -
Optimal location of distributed generation to reduce power losses
; Albizu Flórez, Igor; Bedialauneta Landaribar, Miren Terese ; Fernández Herrero, Elvira ; (IEEE, 2023-09-13)
The efficient integration of distributed electricity generation from renewable resources requires innovation in the grid. It is necessary to develop methodologies for the planning, management and operation of the distribution ... -
Optimal Maintenance Thresholds to Perform Preventive Actions by Using Multi-Objective Evolutionary Algorithms
Goti Elordi, Aitor; Oyarbide Zubillaga, Aitor; Alberdi Celaya, Elisabete; Sánchez, Ana; Garcia Bringas, Pablo (MDPI, 2019-08-01)
Maintenance has always been a key activity in the manufacturing industry because of its economic consequences. Nowadays, its importance is increasing thanks to the Industry 4.0 or fourth industrial revolution. There are ...