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https://www.readbyqxmd.com/read/28439628/visual-salience-of-the-stop-signal-affects-movement-suppression-process
#1
Roberto Montanari, Margherita Giamundo, Emiliano Brunamonti, Stefano Ferraina, Pierpaolo Pani
We investigated how the ability to suppress an impending movement is affected by the visual salience of the stop-signal in a reaching countermanding task. We found that when the stop-signal was easy to detect, stop performance was better than when the stop-signal was difficult to detect. In an exploratory analysis, we also found that the change in salience of the stop-signal can have an effect on the speed of response in trials following the stop-signal. This effect occurred together with strategic slowing down after an error in inhibiting was committed and together with a repetition priming effect due to the stop-signal presented in the previous trial...
April 24, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28430272/molecular-rare-earth-metal-alumosilicates
#2
Raúl Huerta-Lavorie, Dana V Báez-Rodríguez, Jessica García-Ríos, Emiliano Martínez-Vollbert, Diego Martínez-Otero, Vojtech Jancik
The synthesis and stabilization of molecular four-coordinated lanthanide alumosilicates was achieved by the use of a highly encumbered alumosilicate ligand LAl(OH·thf)(μ-O)Si(OH)(OtBu)2 (1, L = HC{C(Me)N(2,6-iPr2C6H3)}2). Reactions between 1 and tris-cyclopentadienyl lanthanides (LnCp3; Ln = Ce, Nd, Sm, Gd, Tb, Dy, Y, Er) derived in the isolation of eight compounds (2-9) where the ligand is observed in three different bonding modes: adducts (2, 3), spirocyclic (4) or cyclic (5-9) coordination compounds. The observed reactivity can be related to the ionic radius of the lanthanide atom and the nature of the oxygen donor-atom from the hydroxide (Al-OH) or hydroxyl (Si-OH) moieties in 1...
April 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28417969/massive-introgression-drives-species-radiation-at-the-range-limit-of-anopheles-gambiae
#3
José L Vicente, Christopher S Clarkson, Beniamino Caputo, Bruno Gomes, Marco Pombi, Carla A Sousa, Tiago Antao, João Dinis, Giordano Bottà, Emiliano Mancini, Vincenzo Petrarca, Daniel Mead, Eleanor Drury, James Stalker, Alistair Miles, Dominic P Kwiatkowski, Martin J Donnelly, Amabélia Rodrigues, Alessandra Della Torre, David Weetman, João Pinto
Impacts of introgressive hybridisation may range from genomic erosion and species collapse to rapid adaptation and speciation but opportunities to study these dynamics are rare. We investigated the extent, causes and consequences of a hybrid zone between Anopheles coluzzii and Anopheles gambiae in Guinea-Bissau, where high hybridisation rates appear to be stable at least since the 1990s. Anopheles gambiae was genetically partitioned into inland and coastal subpopulations, separated by a central region dominated by A...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28416090/clipping-in-awake-surgery-as-end-stage-in-a-complex-internal-carotid-artery-aneurysm-after-failure-of-multimodal-endovascular-and-extracranial-intracranial-bypass-treatment
#4
Delia Cannizzaro, Simone Peschillo, Cristina Mancarella, Biagia La Pira, Emanuela Rastelli, Emiliano Passacantilli, Antonio Santoro
BACKGROUND: Intracranial carotid artery aneurysm can be treated via microsurgical or endovascular techniques. The optimal planning is the result of the careful patient selection through clinical, anatomic, and angiographic analysis. CLINICAL PRESENTATION: We present a case of ruptured internal carotid artery (ICA) aneurysm that became a complex aneurysm after failure of multi-endovascular and surgery treatment. We describe complete trapping in awake craniotomy after failure of coiling, stenting, and bypassing...
April 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28414819/glycemic-markers-and-relation-with-arterial-stiffness-in-caucasian-subjects-of-the-mark-study
#5
MULTICENTER STUDY
Leticia Gomez-Sanchez, Luis Garcia-Ortiz, Maria C Patino-Alonso, Jose I Recio-Rodriguez, Natalia Feuerbach, Ruth Marti, Cristina Agudo-Conde, Emiliano Rodriguez-Sanchez, Jose A Maderuelo-Fernandez, Rafel Ramos, Manuel A Gomez-Marcos
BACKGROUND: Effect of prediabetes and normal glucose on arterial stiffness remains controversial. The primary aim of this study was to investigate the relationship of fasting plasma glucose (FPG), postprandial glucose (PG) and glycosylated haemoglobin (HbA1c) with brachial-ankle pulse wave velocity (baPWV) and cardio-ankle vascular index (CAVI) in Caucasian adults. The secondary aim was to analyse this relationship by glycaemic status. METHODS: Cross-sectional study...
2017: PloS One
https://www.readbyqxmd.com/read/28414185/individual-differences-in-the-dominance-of-interhemispheric-connections-predict-cognitive-ability-beyond-sex-and-brain-size
#6
Kenia Martínez, Joost Janssen, José Ángel Pineda-Pardo, Susanna Carmona, Francisco Javier Román, Yasser Alemán-Gómez, David Garcia-Garcia, Sergio Escorial, María Ángeles Quiroga, Emiliano Santarnecchi, Francisco Javier Navas-Sánchez, Manuel Desco, Celso Arango, Roberto Colom
Global structural brain connectivity has been reported to be sex-dependent with women having increased interhemispheric connectivity (InterHc) and men having greater intrahemispheric connectivity (IntraHc). However, (a) smaller brains show greater InterHc, (b) larger brains show greater IntraHc, and (c) women have, on average, smaller brains than men. Therefore, sex differences in brain size may modulate sex differences in global brain connectivity. At the behavioural level, sex-dependent differences in connectivity are thought to contribute to men-women differences in spatial and verbal abilities...
April 13, 2017: NeuroImage
https://www.readbyqxmd.com/read/28408474/when-mrna-translation-meets-decay
#7
REVIEW
Alicia A Bicknell, Emiliano P Ricci
Messenger RNA (mRNA) translation and mRNA degradation are important determinants of protein output, and they are interconnected. Previously, it was thought that translation of an mRNA, as a rule, prevents its degradation. mRNA surveillance mechanisms, which degrade mRNAs as a consequence of their translation, were considered to be exceptions to this rule. Recently, however, it has become clear that many mRNAs are degraded co-translationally, and it has emerged that codon choice, by influencing the rate of ribosome elongation, affects the rate of mRNA decay...
April 15, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/28387623/flow-diverter-devices-in-ruptured-intracranial-aneurysms-a-single-center-experience
#8
Emilio Lozupone, Mariangela Piano, Luca Valvassori, Luca Quilici, Guglielmo Pero, Emiliano Visconti, Edoardo Boccardi
OBJECTIVE In this single-center series, the authors retrospectively evaluated the effectiveness, safety, and midterm follow-up results of ruptured aneurysms treated by implantation of a flow diverter device (FDD). METHODS The records of 17 patients (12 females, 5 males, average World Federation of Neurosurgical Societies score = 2.9) who presented with subarachnoid hemorrhage (SAH) due to the rupture of an intracranial aneurysm treated with an FDD were retrospectively reviewed. Of 17 ruptured aneurysms, 8 were blood blister-like aneurysms and the remaining 9 were dissecting aneurysms...
April 7, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28376894/mitochondrial-content-oxidative-and-nitrosative-stress-in-human-full-term-placentas-with-gestational-diabetes-mellitus
#9
Joel Ramírez-Emiliano, Martha E Fajardo-Araujo, Ismael Zúñiga-Trujillo, Victoriano Pérez-Vázquez, Cuauhtémoc Sandoval-Salazar, Jessica K Órnelas-Vázquez
BACKGROUND: The purpose of this study was to determine the mitochondrial content, and the oxidative and nitrosative stress of the placenta in women with gestational diabetes mellitus (GDM). METHODS: Full-term placentas from GDM and healthy pregnancies were collected following informed consent. The lipid peroxidation (TBARS) and oxidized protein (carbonyls) levels were determined by spectrophotometry, and 3-nitrotyrosine (3-NT), subunit IV of cytochrome oxidase (COX4), adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) and actin were determined by western blot, whereas ATPase activity was performed by determining the adenosine triphosphate (ATP) consumption using a High-performance liquid chromatography (HPLC) system...
April 4, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28370647/adaptive-sequence-evolution-is-driven-by-biotic-stress-in-a-pair-of-orchid-species-dactylorhiza-with-distinct-ecological-optima
#10
Francisco Balao, Emiliano Trucchi, Thomas Wolfe, Bao-Hai Hao, Maria Teresa Lorenzo, Juliane Baar, Laura Sedman, Carolin Kosiol, Fabian Amman, Mark W Chase, Mikael Hedrén, Ovidiu Paun
The orchid family is the largest in the angiosperms, but little is known about the molecular basis of the significant variation they exhibit. We investigate here the transcriptomic divergence between two European terrestrial orchids, Dactylorhiza incarnata and D. fuchsii, and integrate these results in the context of their distinct ecologies that we also document. Clear signals of lineage-specific adaptive evolution of protein-coding sequences are identified, notably targeting elements of biotic defence, including both physical and chemical adaptations in the context of divergent pools of pathogens and herbivores...
March 30, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28370086/modeling-the-dose-dependence-of-the-vis-absorption-spectrum-of-ebt3-gafchromic-%C3%A2-films
#11
Maarten Bert Callens, Wouter Crijns, Tom Depuydt, Karin Haustermans, Frederik Maes, Emiliano D'Agostino, Martine Wevers, Helge Pfeiffer, Koen Van Den Abeele
PURPOSE: The aim of this work is to model the dose dependence of the darkening of GafChromic(™) EBT3 films by combining the optical properties of the polydiacetylene polymer phases, and a modified version of the single-hit model, which will take the stick-like shape of the monomer microcrystals into account. Second, a comparison is made between the quantification of the film darkening by flatbed scanning and by UV-vis absorption spectroscopy. METHOD: GafChromic(™) EBT3 films were irradiated with a 6 MV photon beam at dose levels between 0 and 50 Gy...
March 30, 2017: Medical Physics
https://www.readbyqxmd.com/read/28369386/robotic-mitral-valve-repair-a-european-single-centre-experience
#12
Emiliano Navarra, Stefano Mastrobuoni, Laurent De Kerchove, David Glineur, Christine Watremez, Michel Van Dyck, Gebrine El Khoury, Philippe Noirhomme
OBJECTIVES: We report the outcomes of robotic valve repair for degenerative mitral regurgitation (MR) in our Institution. METHODS: Between February 2012 and July 2016, 134 patients underwent robotic mitral valve (MV) repair with the da Vinci Si system. All the operations were performed through a mini-thoracotomy in the fourth right intercostal space, cardiopulmonary bypass and mild hypothermia. The clinical and echocardiographic follow-up was 100% complete. RESULTS: There was no hospital death...
March 20, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28368339/fiber-bragg-grating-measuring-system-for-simultaneous-monitoring-of-temperature-and-humidity-in-mechanical-ventilation
#13
Carlo Massaroni, Michele A Caponero, Rosaria D'Amato, Daniela Lo Presti, Emiliano Schena
During mechanical ventilation, the humidification of the dry air delivered by the mechanical ventilator is recommended. Among several solutions, heated wire humidifiers (HWHs) have gained large acceptance to be used in this field. The aim of this work is to fabricate a measuring system based on fiber Bragg grating (FBG) for the simultaneous monitoring of gas relative humidity (RH) and temperature, intended to be used for providing feedback to the HWHs' control. This solution can be implemented using an array of two FBGs having a different center wavelength...
April 2, 2017: Sensors
https://www.readbyqxmd.com/read/28348402/plasmonic-hot-electron-transport-drives-nano-localized-chemistry
#14
Emiliano Cortés, Wei Xie, Javier Cambiasso, Adam S Jermyn, Ravishankar Sundararaman, Prineha Narang, Sebastian Schlücker, Stefan A Maier
Nanoscale localization of electromagnetic fields near metallic nanostructures underpins the fundamentals and applications of plasmonics. The unavoidable energy loss from plasmon decay, initially seen as a detriment, has now expanded the scope of plasmonic applications to exploit the generated hot carriers. However, quantitative understanding of the spatial localization of these hot carriers, akin to electromagnetic near-field maps, has been elusive. Here we spatially map hot-electron-driven reduction chemistry with 15 nm resolution as a function of time and electromagnetic field polarization for different plasmonic nanostructures...
March 28, 2017: Nature Communications
https://www.readbyqxmd.com/read/28342970/not-in-one-metric-neuroticism-modulates-different-resting-state-metrics-within-distinctive-brain-regions
#15
Claudio Gentili, Ioana Alina Cristea, Emiliano Ricciardi, Nicola Vanello, Cristian Popita, Daniel David, Pietro Pietrini
INTRODUCTION: Neuroticism is a complex personality trait encompassing diverse aspects. Notably, high levels of neuroticism are related to the onset of psychiatric conditions, including anxiety and mood disorders. Personality traits are stable individual features; therefore, they can be expected to be associated with stable neurobiological features, including the Brain Resting State (RS) activity as measured by fMRI. Several metrics have been used to describe RS properties, yielding rather inconsistent results...
March 23, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28339621/routine-quality-care-assessment-of-schizophrenic-disorders-using-information-systems
#16
Antonio Lora, Emiliano Monzani, Bussy Ibrahim, Davide Soranna, Giovanni Corrao
No abstract text is available yet for this article.
February 22, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28332064/gambling-disorder-exploring-pre-treatment-and-in-treatment-dropout-predictors-a-uk-study
#17
Silvia Ronzitti, Emiliano Soldini, Neil Smith, Massimo Clerici, Henrietta Bowden-Jones
The aim of this study was to identify predictors of treatment dropout in a sample of gamblers attending a specialist clinic for gambling disorder. We analysed data on 846 treatment-seeking pathological gamblers. Firstly, we investigated differences in socio-demographic and clinical variables between treatment completers and pre-treatment dropouts, as well as between treatment completers and during-treatment dropouts. Subsequently, variables were entered into a multinomial logistic regression model to identify significant predictors of pre-treatment and in-treatment dropout...
March 22, 2017: Journal of Gambling Studies
https://www.readbyqxmd.com/read/28330557/loss-of-anthocyanins-and-modification-of-the-anthocyanin-profiles-in-grape-berries-of-malbec-and-bonarda-grown-under-high-temperature-conditions
#18
Inés de Rosas, María Teresa Ponce, Emiliano Malovini, Leonor Deis, Bruno Cavagnaro, Pablo Cavagnaro
Malbec and Bonarda are the two most widely cultivated grape varieties in Argentina, and their derived red wines are recognized worldwide, being their intense color a major quality trait. The temperature during fruit ripening conditions berries color intensity. In the main viticulture region of Malbec and Bonarda a 2-3°C increase in temperature has been predicted for the upcoming years as consequence of the global climate change. In the present study, this predicted temperature raise was simulated under field-crop conditions, and its effect on anthocyanin pigmentation in berries of Malbec and Bonarda was monitored by HPLC analysis throughout the ripening process, in two growing seasons...
May 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28329750/optoelectronic-plethysmography-in-clinical-practice-and-research-a-review
#19
Carlo Massaroni, Elena Carraro, Andrea Vianello, Sandra Miccinilli, Michelangelo Morrone, Irisz K Levai, Emiliano Schena, Paola Saccomandi, Silvia Sterzi, John W Dickinson, Samantha Winter, Sergio Silvestri
BACKGROUND: Optoelectronic plethysmography (OEP) is a non-invasive motion capture method to measure chest wall movements and estimate lung volumes. OBJECTIVES: To provide an overview of the clinical findings and research applications of OEP in the assessment of breathing mechanics across populations of healthy and diseased individuals. METHODS: A bibliographic research was performed with the terms "opto-electronic plethysmography," "optoelectronic plethysmography," and "optoelectronic plethysmograph" in 50 digital library and bibliographic search databases resulting in the selection of 170 studies...
2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28320948/highly-oriented-photosynthetic-reaction-centers-generate-a-proton-gradient-in-synthetic-protocells
#20
Emiliano Altamura, Francesco Milano, Roberto R Tangorra, Massimo Trotta, Omar Hassan Omar, Pasquale Stano, Fabio Mavelli
Photosynthesis is responsible for the photochemical conversion of light into the chemical energy that fuels the planet Earth. The photochemical core of this process in all photosynthetic organisms is a transmembrane protein called the reaction center. In purple photosynthetic bacteria a simple version of this photoenzyme catalyzes the reduction of a quinone molecule, accompanied by the uptake of two protons from the cytoplasm. This results in the establishment of a proton concentration gradient across the lipid membrane, which can be ultimately harnessed to synthesize ATP...
April 11, 2017: Proceedings of the National Academy of Sciences of the United States of America
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