Search Results - "DE VILLA, Manuel"
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Difluorenyl carbo-Benzenes: Synthesis, Electronic Structure, and Two-Photon Absorption Properties of Hydrocarbon Quadrupolar Chromophores
Published in Chemistry : a European journal (28-09-2015)“…The synthesis, crystal and electronic structures, and one‐ and two‐photon absorption properties of two quadrupolar fluorenyl‐substituted tetraphenyl…”
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Effects of Contact-Induced Doping on the Behaviors of Organic Photovoltaic Devices
Published in Nano letters (11-11-2015)“…Substrates can significantly affect the electronic properties of organic semiconductors. In this paper, we report the effects of contact-induced doping,…”
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Photophysical Study of Polymer-Based Solar Cells with an Organo-Boron Molecule in the Active Layer
Published in Materials (13-07-2015)“…Our group previously reported the synthesis of four polythiophene derivatives (P1-P4) used for solar cells. The cells were prepared under room conditions by…”
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Surface Chemistry of Gold Nanoparticles Produced by Laser Ablation in Pure and Saline Water
Published in Langmuir (18-05-2021)“…Pulsed laser ablation in liquid (PLAL) is a powerful method for producing nanoparticle colloids with a long-term stability despite the absence of stabilizing…”
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Assessing the Surface Oxidation State of Free-Standing Gold Nanoparticles Produced by Laser Ablation
Published in Langmuir (10-09-2019)“…The surface chemistry of gold nanoparticles produced by the pulsed laser ablation in liquids method is investigated by X-ray photoelectron spectroscopy (XPS)…”
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Utility of overnight pulse oximetry and heart rate variability analysis to screen for sleep-disordered breathing in chronic heart failure
Published in Thorax (01-11-2012)“…Sleep-disordered breathing (SDB) is under diagnosed in chronic heart failure (CHF). Screening with simple monitors may increase detection of SDB in a…”
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Depth Profiling of the Chemical Composition of Free-Standing Carbon Dots Using X‑ray Photoelectron Spectroscopy
Published in Journal of physical chemistry. C (05-07-2018)“…The chemical and geometrical structure of free-standing carbon dots (Cdots) prepared from the pyrolysis of N-hydroxysuccinimide (NHS) have been characterized…”
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Quantitative Analyses of Competing Photocurrent Generation Mechanisms in Fullerene-Based Organic Photovoltaics
Published in Journal of physical chemistry. C (04-08-2016)“…The performance of fullerene-based organic photovoltaic devices (OPVs) with low donor concentrations is not limited by the trade-off between short-circuit…”
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Patent Foramen Ovale in Severe Obstructive Sleep Apnea
Published in Chest (2013)“…Background Patent foramen ovale (PFO) may contribute to nocturnal desaturation in patients with obstructive sleep apnea (OSA), and the effect of PFO closure in…”
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Patent foramen ovale in severe obstructive sleep apnea: clinical features and effects of closure
Published in Chest (01-01-2013)“…Patent foramen ovale (PFO) may contribute to nocturnal desaturation in patients with obstructive sleep apnea (OSA), and the effect of PFO closure in OSA is…”
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Patent Foramen Ovale Is Not Associated with Hypoxemia in Severe Chronic Obstructive Pulmonary Disease and Does Not Impair Exercise Performance
Published in American journal of respiratory and critical care medicine (01-03-2014)“…Patent foramen ovale (PFO) may be disadvantageous in chronic obstructive pulmonary disease (COPD). It is unknown whether right-to-left shunting through PFO…”
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Imaging Cardiac Sarcoidosis: The Incremental Benefit of Speckle Tracking Echocardiography
Published in Echocardiography (Mount Kisco, N.Y.) (01-08-2013)“…Mini‐ Echocardiography is the front‐line investigation for assessment of cardiac morphology and function. Assessment of ventricular systolic function has…”
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Métodos para la detección oportuna de cáncer cervicouterino
Published in Tecnología en marcha (01-12-2014)“…El cáncer cervicouterino afecta a gran parte de la población femenina a nivel mundial, en países subdesarrollados como Costa Rica llegó a ser la tercera causa…”
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Perceptions of the use of intelligent information access systems in university level active learning activities among teachers of biomedical subjects
Published in International journal of medical informatics (Shannon, Ireland) (01-04-2018)“…•Teachers’ perceptions about the use of intelligent information access (IIA) systems.•Quantitative and qualitative evaluation about (IIA) systems for active…”
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