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https://www.readbyqxmd.com/read/28106371/enhancement-of-electrode-stability-using-platinum-cobalt-nanocrystals-on-a-novel-composite-sictic-support
#1
María Millán, Hector Zamora, Manuel Andrés Rodrigo, Justo Lobato
PtCo alloy catalysts for high temperature PEMFCs (Protonic Exchange Membrane Fuel Cells) were synthesized on a novel non-carbonaceous support (SiCTiC) using the impregnation method with NaBH4 as the reducing agent at different synthesis temperatures to evaluate the effect of this variable on their physicochemical and electrochemical properties. The catalysts were characterized by inductively coupled plasma optical emission spectrometry (ICP-OES), scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDX), X-ray diffraction (XRD), transmission electron microscope-energy dispersive X-ray (TEM) and temperature programmed reduction (TPR)...
January 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28106275/initial-study-of-transdermal-oxybutynin-for-treating-hyperhidrosis
#2
José Francisco Millán-Cayetano, Javier Del Boz, Tomas Toledo-Pastrana, Miriam Nieto-Guindo, Pablo García-Montero, Magdalena de Troya-Martín
Oral oxybutynin for treating hyperhidrosis is effective and safe. Its side-effects are mild but frequent so we consider whether transdermal oxybutynin (considered to have a better side-effect profile) could be an alternative for treating hyperhidrosis. During 2015, a prospective study was conducted. Epidemiological variables, effectiveness (using the Hyperhidrosis Disease Severity Scale) and tolerance to transdermal oxybutynin were compiled concerning two different groups (patients previously treated or untreated with oral oxybutynin), at baseline, and at 3 and 12 months...
January 20, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28105782/thirteen-years-of-fight-against-doping-in-figures
#3
Millán Aguilar, Jesús Muñoz-Guerra, María Del Mar Plata, Juan Del Coso
No abstract text is available yet for this article.
January 19, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28104801/aquatic-insects-in-a-multistress-environment-cross-tolerance-to-salinity-and-desiccation
#4
Susana Pallarés, María Botella-Cruz, Paula Arribas, Andrés Millán, Josefa Velasco
Exposing organims to a particular stressor may enhance tolerance to a subsequent stress, when protective mechanisms against both stressors are shared. Such cross-tolerance is a common adaptive response in dynamic multivariate environments and often indicates potential co-evolution of stress traits. Many aquatic insects in inland saline waters from Mediterranean-climate regions are sequentially challenged with salinity and desiccation stress. Thus, cross-tolerance to these physiologically similar stressors could have been positively selected in insects of these regions...
January 19, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28097724/unphosphorylated-eiia-ntr-induces-clpap-mediated-degradation-of-rpos-in-azotobacter-vinelandii
#5
Luis Felipe Muriel-Millán, Soledad Moreno, Ramsés Gallegos-Monterrosa, Guadalupe Espín
The nitrogen-related phosphotransferase system (PTS(Ntr) ) is composed of the EI(Ntr) , NPr and EIIA(Ntr) proteins that form a phosphorylation cascade from phosphoenolpyruvate. PTS(Ntr) is a global regulatory system present in most Gram-negative bacteria that controls some pivotal processes such as potassium and phosphate homeostasis, virulence, nitrogen fixation and ABC transport activation. In the soil bacterium Azotobacter vinelandii, unphosphorylated EIIA(Ntr) negatively regulates the expression of genes related to the synthesis of the bioplastic polyester poly-β-hydroxybutyrate (PHB) and cyst-specific lipids alkylresorcinols (ARs)...
January 18, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28089628/crf1-but-not-glucocorticoid-receptor-antagonists-reduce-separation-induced-distress-vocalizations-in-guinea-pig-pups-and-crf-overexpressing-mouse-pups-a-combination-study-with-paroxetine
#6
P Monika Verdouw, Joantine C J van Esterik, Bernard W M M Peeters, Mark J Millan, Lucianne Groenink
RATIONALE: Given the large number of patients that does not respond sufficiently to currently available treatment for anxiety disorders, there is a need for improved treatment. OBJECTIVES: We evaluated the anxiolytic effects of corticotropin releasing factor (CRF)1 receptor antagonists and glucocorticoid receptor (GR) antagonists in the separation-induced vocalization test in guinea pigs and transgenic mice with central CRF overexpression. Furthermore, we explored effects of these drugs when given in combination with a suboptimal dose of a selective serotonin re-uptake inhibitor (SSRI)...
January 12, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28075653/serum-creatine-kinase-elevations-in-ultramarathon-runners-at-high-altitude
#7
Danielle Magrini, Morteza Khodaee, Inigo San Millan, Tamara Hew-Butler, Aaron J Provance
OBJECTIVES: Creatine kinase (CK) is a sensitive enzyme marker for muscle damage in athletes. Elevated CK levels have been reported in many endurance physical activities. The consequence and possible long-term sequela of the CK elevation in athletes is unknown. There is a paucity of literature stating actual numerical values of CK associated with competing in an ultramarathon with extreme environmental conditions. Our hypothesis was that the serum CK levels increase significantly as a result of running a 161km ultramarathon at high altitude...
January 11, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28072448/identification-of-altered-brain-metabolites-associated-with-tnap-activity-in-a-mouse-model-of-hypophosphatasia-using-untargeted-nmr-based-metabolomics-analysis
#8
Thomas Cruz, Marie Gleizes, Stéphane Balayssac, Etienne Mornet, Grégory Marsal, José Luis Millán, Myriam Malet-Martino, Lionel G Nowak, Véronique Gilard, Caroline Fonta
Tissue Nonspecific Alkaline Phosphatase (TNAP) is a key player of bone mineralization and TNAP gene (ALPL) mutations in human are responsible for hypophosphatasia (HPP), a rare heritable disease affecting the mineralization of bones and teeth. Moreover, TNAP is also expressed by brain cells and the severe forms of HPP are associated with neurological disorders, including epilepsy and brain morphological anomalies. However TNAP's role in the nervous system remains poorly understood. In order to investigate its neuronal functions, we aimed to identify without any a priori the metabolites regulated by TNAP in the nervous tissue...
January 10, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28063338/trends-and-correlates-of-marijuana-use-among-late-middle-aged-and-older-adults-in-the-united-states-2002-2014
#9
Christopher P Salas-Wright, Michael G Vaughn, Lenise A Cummings-Vaughn, Katherine J Holzer, Erik J Nelson, Millan AbiNader, Sehun Oh
BACKGROUND: Recent trend studies suggest that marijuana use is on the rise among the general population of adults ages 18 and older in the United States. However, little is known about the trends in marijuana use and marijuana-specific risk/protective factors among American adults during the latter part of adulthood. METHOD: Findings are based on repeated, cross-sectional data collected from late middle-aged (ages 50-64) and older adults (ages 65 and older) surveyed as part of the National Survey on Drug Use and Health between 2002 and 2014...
December 14, 2016: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28059612/fecal-microbial-transplantation-as-a-therapeutic-option-in-patients-colonized-with-antibiotic-resistant-organisms
#10
Michael Laffin, Braden Millan, Karen L Madsen
Despite increasing interest in fecal microbiota transplantation (FMT), its full therapeutic potential has yet to be determined. Since its increase in popularity, FMT has been shown to be highly effective in the treatment of both Clostridium difficile infection (CDI) and its recurrent form. Interest in FMT now expands well beyond the treatment of CDI to other processes with known associations to the microbiota such as antibiotic resistant infections, inflammatory bowel disease (IBD), hepatic encephalopathy, neuropsychiatric disorders, and metabolic disease...
January 6, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28057491/mefloquine-inhibits-voltage-dependent-nav1-4-channel-by-overlapping-the-local-anaesthetic-binding-site
#11
Bertin Paiz-Candia, Angel A Islas, Alfredo Sánchez-Solano, Claudia Mancilla-Simbro, Thomas Scior, Lourdes Millan-PerezPeña, Eduardo M Salinas-Stefanon
Mefloquine constitutes a multitarget antimalaric that inhibits cation currents. However, the effect and the binding site of this compound on Na(+) channels is unknown. To address the mechanism of action of mefloquine, we employed two-electrode voltage clamp recordings on Xenopus laevis oocytes, site-directed mutagenesis of the rat Na(+) channel, and a combined in silico approach using Molecular Dynamics and docking protocols. We found that mefloquine: i) inhibited Nav1.4 currents (IC50 =60μM), ii) significantly delayed fast inactivation but did not affect recovery from inactivation, iii) markedly the shifted steady-state inactivation curve to more hyperpolarized potentials...
January 3, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28055886/long-term-stable-control-of-motor-imagery-bci-by-a-locked-in-user-through-adaptive-assistance
#12
Sareh Saeedi, Ricardo Chavarriaga, Jose Del R Millan
Performance variation is one of the main challenges that BCIs are confronted with, when being used over extended periods of time. Shared control techniques could partially cope with such a problem. In this paper, we propose a taxonomy of shared control approaches used for BCIs and we review some of the recent studies at the light of these approaches. We posit that the level of assistance provided to the BCI user should be adjusted in real time in order to enhance BCI reliability over time. This approach has not been extensively studied in the recent literature on BCIs...
December 28, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28052269/observational-study-of-switching-from-natalizumab-to-immunomodulatory-drugs
#13
Ramón Villaverde-González, Julia Gracia Gil, Angel Pérez Sempere, Jorge Millán Pascual, José Marín Marín, María Carcelén Gadea, Laura Gabaldón Torres, Antonio Moreno Escribano, Antonio Candeliere Merlicco
OBJECTIVE: To determine the effect of disease-modifying drugs (DMDs) on disease activity rebound in patients discontinuing natalizumab (NTZ). METHODS: Twenty-one patients with relapsing-remitting multiple sclerosis (RRMS) treated with NTZ for ≥1 year and who switched to DMDs (glatiramer acetate [GA] or interferon) were followed up for 12 months in clinical practice. Clinical outcomes after NTZ cessation were assessed every 3 months for 1 year and MRI was performed at 12 months...
January 5, 2017: European Neurology
https://www.readbyqxmd.com/read/28049512/a-stab-wound-to-the-axilla-illustrating-the-importance-of-brachial-plexus-anatomy-in-an-emergency-context-a-case-report
#14
Diogo Casal, Teresa Cunha, Diogo Pais, Inês Iria, Maria Angélica-Almeida, Gerardo Millan, José Videira-Castro, João Goyri-O'Neill
BACKGROUND: Although open injuries involving the brachial plexus are relatively uncommon, they can lead to permanent disability and even be life threatening if accompanied by vascular damage. We present a case report of a brachial plexus injury in which the urgency of the situation precluded the use of any ancillary diagnostic examinations and forced a rapid clinical assessment. CASE PRESENTATION: We report a case of a Portuguese man who had a stabbing injury at the base of his left axilla...
January 4, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28040858/multicenter-analysis-of-neoadjuvant-docetaxel-carboplatin-and-trastuzumab-in-her2-positive-breast-cancer
#15
Isabel Echavarria, Mónica Granja, Coralia Bueno, Sara Lopez-Tarruella, Paloma Peinado, Miguel Sotelo, Yolanda Jerez, Fernando Moreno, Gabriela Torres, Miriam Lobo, Ivan Marquez-Rodas, Maria Del Monte-Millan, Miguel Martín, Jose Angel García-Saenz
PURPOSE: In an era where neoadjuvant dual blockade is emerging as the standard of care for early and locally advanced HER2-positive breast cancer, we aimed to identify predictors of response to single-blockade chemotherapy. METHODS: This retrospective analysis reviewed all the incident stage I-III HER2-positive breast cancer patients who received neoadjuvant docetaxel, carboplatin, and trastuzumab (TCH) in three institutions. pCR was defined as the absence of invasive tumor in breast and axillary nodes (ypT0/isypN0)...
December 31, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28038851/squamous-cell-carcinoma-presenting-as-bird-beak-like-cutaneous-horn
#16
José Francisco Millán-Cayetano, Pablo García-Montero, Magdalena de Troya-Martín
No abstract text is available yet for this article.
December 27, 2016: Medicina Clínica
https://www.readbyqxmd.com/read/28029607/reported-prestroke-physical-activity-is-associated-with-vascular-endothelial-growth-factor-expression-and-good-outcomes-after-stroke
#17
Elena López-Cancio, Ana Clara Ricciardi, Tomás Sobrino, Jordi Cortés, Natalia Pérez de la Ossa, Mónica Millán, María Hernández-Pérez, Meritxell Gomis, Laura Dorado, Lucía Muñoz-Narbona, Francisco Campos, Juan F Arenillas, Antoni Dávalos
INTRODUCTION: Physical activity (PhA) prior to stroke has been associated with good outcomes after the ischemic insult, but there is scarce data on the involved molecular mechanisms. METHODS: We studied consecutive acute ischemic stroke patients admitted to a single tertiary stroke center. Prestroke PhA was evaluated with the International Physical Activity Questionnaire (metabolic equivalent of minutes/week). We studied several circulating angiogenic and neurogenic factors at different time points: vascular endothelial growth factor (VEGF), granulocyte colony-stimulating factor (G-CSF), and brain-derived neurotrophic factor (BDNF) at admission, day 7, and at 3 months...
October 28, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28029458/design-and-synthesis-of-novel-n-sulfonyl-2-indoles-that-behave-as-5-ht6-receptor-ligands-with-significant-selectivity-for-d3-over-d2-receptors
#18
Oscar M Saavedra, Delphine Karila, Dominique Brossard, Anne Rojas, Delphine Dupuis, Arnaud Gohier, Clotilde Mannoury la Cour, Mark J Millan, Jean-Claude Ortuno, Stephen Hanessian
All clinically-used antipsychotics display similar affinity for both D2 (D2R) and D3 (D3R) receptors, and they likewise act as 5-HT2A receptor antagonists. They provide therapeutic benefit for positive symptoms, but no marked or consistent improvement in neurocognitive, social cognitive or negative symptoms. Since blockade of D3 and 5-HT6 (5-HT6R) receptors enhances neurocognition and social cognition, and potentially improves negative symptoms, a promising approach for improved treatment for schizophrenia would be to develop drugs that preferentially act at D3R versus D2R and likewise recognize 5-HT6R...
October 12, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28029352/-mitral-valve-repair-with-the-mitraclip-following-surgical-mitral-annuloplasty-failure
#19
F Picard, V-X Tadros, X Millán, A W Asgar
Mitral repair using the MitraClip device is on ongoing expansion and has been evaluated in different patterns of mitral regurgitation. Nevertheless, surgical approaches to mitral regurgitation remain the standard of care, at least in absence of contraindication. We report the first Canadian experience of mitral valve repair with the MitraClip following surgical mitral annuloplasty failure. Therapeutic considerations and potential challenges are discussed.
October 28, 2016: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28024372/internal-hydration-properties-of-single-bacterial-endospores-probed-by-electrostatic-force-microscopy
#20
Marc Van Der Hofstadt, Rene Fabregas, Ruben Millan-Solsona, Antonio Juarez, Laura Fumagalli, Gabriel Gomila
We show that the internal hydration properties of single Bacillus cereus endospores in air under different relative humidity (RH) conditions can be determined through the measurement of its electric permittivity by means of quantitative electrostatic force microscopy (EFM). We show that an increase in the RH from 0% to 80% induces a large increase in the equivalent homogeneous relative electric permittivity of the bacterial endospores, from ∼4 up to ∼17, accompanied only by a small increase in the endospore height, of just a few nanometers...
December 27, 2016: ACS Nano
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