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https://www.readbyqxmd.com/read/28783911/wind-induced-changes-in-the-dynamics-of-fluorescent-organic-matter-in-the-coastal-nw-mediterranean
#1
Fran L Aparicio, Mar Nieto-Cid, Eva Calvo, Carles Pelejero, Àngel López-Sanz, Josep Pascual, Jordi Salat, Elvia D Sánchez-Pérez, Patricia De La Fuente, Josep M Gasol, Cèlia Marrasé
Marine biogeochemistry dynamics in coastal marine areas is strongly influenced by episodic events such as rain, intense winds, river discharges and anthropogenic activities. We evaluated in this study the importance of these forcing events on modulating seasonal changes in the marine biogeochemistry of the northwestern coast of the Mediterranean Sea, based on data gathered from a fixed coastal sampling station in the area. A 4-year (2011-2014) monthly sampling at four depths (0.5m, 20m, 50m and 80m) was performed to examine the time variability of several oceanographic variables: seawater temperature, salinity, inorganic nutrient concentrations (NO3(-), PO4(3-) and SiO2), chlorophyll a (Chl a), dissolved organic carbon (DOC) and fluorescent dissolved organic matter (FDOM)...
August 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28755902/low-triiodothyronine-is-associated-with-elevation-of-n-terminal-pro-brain-natriuretic-peptide-nt-probnp-and-mortality-in-dialysis-patients
#2
María Del Carmen Prado-Uribe, María-de-Jesús Ventura, Marcela Ávila-Díaz, Carmen J Mora, Antonio Méndez-Durán, Diana Villanueva-Noches, Alejandra Cisneros, Begoña Ilabaca, Alfonso Cueto-Manzano, Fernando García-Contreras, Bengt Lindholm, Elvia García-López, Ramón Paniagua
BACKGROUND: Low thyroid hormone (TH) levels and myocardial damage are common in dialysis patients and are associated with mortality. However, little is known about the role of THs on myocardial damage as has been described in primary thyroid diseases. The aim of this study was to explore the potential relationship between low total triiodothyronine (total T3) and biomarkers of myocardial damage and the effect of their interaction on mortality, to ascertain if cardiovascular damage is the link between low THs and the risk of death in dialysis patients with CKD...
July 26, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28706454/participation-of-cox-1-and-cox-2-in-the-contractile-effect-of-phenylephrine-in-prepubescent-and-old-rats
#3
Gustavo Guevara-Balcazar, Israel Ramirez-Sanchez, Elvia Mera-Jimenez, Ivan Rubio-Gayosso, Maria Eugenia Aguilar-Najera, Maria C Castillo-Hernandez
Vascular reactivity can be influenced by the vascular region, animal age, and pathologies present. Prostaglandins (produced by COX-1 and COX-2) play an important role in the contractile response to phenylephrine in the abdominal aorta of young rats. Although these COXs are found in many tissues, their distribution and role in vascular reactivity are not clear. At a vascular level, they take part in the homeostasis functions involved in many physiological and pathologic processes (e.g., arterial pressure and inflammatory processes)...
July 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28701043/in-situ-x-ray-tomography-study-of-cement-exposed-to-co2-saturated-brine
#4
E A Chavez Panduro, M Torsæter, K Gawel, R Bjørge, A Gibaud, Y Yang, S Bruns, Y Zheng, H O Sørensen, D W Breiby
For successful CO2 storage in underground reservoirs, the potential problem of CO2 leakage needs to be addressed. A profoundly improved understanding of the behavior of fractured cement under realistic subsurface conditions including elevated temperature, high pressure and the presence of CO2 saturated brine is required. Here, we report in situ X-ray micro computed tomography (μ-CT) studies visualizing the microstructural changes upon exposure of cured Portland cement with an artificially engineered leakage path (cavity) to CO2 saturated brine at high pressure...
August 4, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28535821/seven-fractions-to-deliver-partial-breast-irradiation-the-toxicity-is-low
#5
Marco Trovo, Michele Avanzo, Lorenzo Vinante, Carlo Furlan, Francesco Fiorica, Tiziana Perin, Loredana Militello, Simon Spazzapan, Massimiliano Berretta, Rajesh Jena, Joseph Stancanello, Erica Piccoli, Mario Mileto, Elvia Micheli, Mario Roncadin, Samuele Massarut
PURPOSE: To assess toxicity and clinical outcome, in breast cancer patients treated with external beam partial breast irradiation (PBI) consisting of 35 Gy in 7 daily fractions (5 Gy/fraction). MATERIALS AND METHODS: Patients affected by early-stage breast cancer were enrolled in this phase II trial. Patients had to be 60 years old or over and treated with breast conservative surgery for early stage invasive carcinoma. RESULTS: Seventy-three patients were analyzed...
May 23, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28493309/effect-of-nanoemulsified-and-microencapsulated-mexican-oregano-lippia-graveolens-kunth-essential-oil-coatings-on-quality-of-fresh-pork-meat
#6
Elvia Hernández-Hernández, César Y Lira-Moreno, Isabel Guerrero-Legarreta, Graciela Wild-Padua, Prospero Di Pierro, Blanca E García-Almendárez, Carlos Regalado-González
Fresh meat is a highly perishable food. This work aimed to evaluate the influence of Mexican oregano (Lippia graveolens Kunth) incorporated into active coatings (ACs) spread on fresh pork meat as free (FEO), nanoemulsified (NEO), and microencapsulated (MEO) essential oil (EO), on its microbiological, physicochemical and sensory properties during 15 d at 4 ± 1 °C. Thymol and γ-terpinene were identified in the EO. In vitro effect of 2.85 mg EO/cm(2) was tested against Brochothrix thermosphacta, Micrococcus luteus, Lactobacillus plantarum, Pseudomonas fragi, and Salmonella Infantis...
June 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28469926/primary-hypertrophic-osteoarthropathy-due-to-a-novel-slco2a1-mutation-masquerading-as-acromegaly
#7
Ruth Mangupli, Adrian F Daly, Elvia Cuauro, Paul Camperos, Jaime Krivoy, Albert Beckers
SUMMARY: A 20-year-old man with an 8-year history of progressive enlargement of his hands and feet, coarsening facial features, painful joints and thickened, oily skin was referred for investigation of acromegaly. On examination, the subject was of normal height and weight. He had markedly increased skin thickness around the forehead, eyelids and scalp with redundant skin folds. Bilateral painful knee swelling was accompanied by enlargement of the extremities, and his fingers were markedly clubbed...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28344485/biochemical-and-molecular-modulation-of-ccl4-induced-peripheral-and-central-damage-by-tilia-americana-var-mexicanaextracts
#8
Elvia Coballase-Urrutia, Noemí Cárdenas-Rodríguez, María Carolina González-García, Eithan Núñez-Ramírez, Esaú Floriano-Sánchez, María Eva González-Trujano, Berenice Fernández-Rojas, José Pedraza-Chaverrí, Hortencia Montesinos-Correa, Liliana Rivera-Espinosa, Aristides Iii Sampieri, Liliana Carmona-Aparicio
Around the world, species from the genus Tilia are commonly used because of their peripheral and central medicinal effects; they are prepared as teas and used as tranquilizing, anticonvulsant, and analgesic agents. In this study, we provide evidence of the protective effects of organic and aqueous extracts (100 mg/kg, i.p.) obtained from the leaves of Tilia americana var. mexicana on CCl4-induced liver and brain damage in the rat. Protection was observed in the liver and brain (cerebellum, cortex and cerebral hemispheres) by measuring the activity of antioxidant enzymes and levels of malondialdehyde (MDA) using spectrophotometric methods...
March 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28103263/splenic-cd4-t-cells-in-progressive-visceral-leishmaniasis-show-a-mixed-effector-regulatory-phenotype-and-impair-macrophage-effector-function-through-inhibitory-receptor-expression
#9
Audrie A Medina-Colorado, Elvia Y Osorio, Omar A Saldarriaga, Bruno L Travi, Fanping Kong, Heidi Spratt, Lynn Soong, Peter C Melby
Visceral leishmaniasis (VL), caused by infection with the intracellular protozoan Leishmania donovani, is a chronic progressive disease with a relentlessly increasing parasite burden in the spleen, liver and bone marrow. The disease is characterized by fever, splenomegaly, cachexia, and pancytopenia, and progresses to death if not treated. Control of Leishmania infection is mediated by Th1 (IFNγ-producing) CD4+ T cells, which activate macrophages to produce nitric oxide and kill intracellular parasites. However, despite expansion of CD4+ T cells and increased IFNγ expression in the spleen, humans with active VL do not control the infection...
2017: PloS One
https://www.readbyqxmd.com/read/28044941/design-synthesis-and-biological-evaluation-of-a-phenyl-butyric-acid-derivative-n-4-chlorophenyl-4-phenylbutanamide-a-hdac6-inhibitor-with-anti-proliferative-activity-on-cervix-cancer-and-leukemia-cells
#10
Rodríguez-Fonseca Rolando Alberto, Sixto-López Yudibeth, Fragoso-Vázquez M Jonathan, Flores-Mejía Raúl, Cabrera-Pérez Laura Cristina, Vázquez-Moctezuma Ismael, Rosales-Hernández Martha Cecilia, Bello Martiniano, M Martínez-Archundia, Trujillo-Ferrara José Guadalupe, Becerra-Martínez Elvia, Correa-Basurto José
The epigenetic regulation of genes in cancer could be targeted by inhibiting Histone deacetylase 6 (HDAC6), an enzyme involved in several types of cancer such as lymphoma, leukemia, ovarian cancer, etc. Through in silico methods, a set of Phenyl butyric acid derivatives with possible HDAC6 inhibitory activity were designed, rendering monophenylamides and biphenylamides using tubacin (HDAC6 selective inhibitor) as reference. The target compounds were submitted to theoretical ADMET analyses and their binding properties on different HDAC6 conformers were evaluated through docking calculations...
January 2, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28030765/nonionic-fluorinated-surfactant-removal-from-mesoporous-film-using-sc-co2
#11
Elvia A Chavez Panduro, Karine Assaker, Thomas Beuvier, Jean-Luc Blin, Marie-José Stébé, Oleg Konovalov, Alain Gibaud
Surfactant templated silica thin films were self-assembled on solid substrates by dip-coating using a partially fluorinated surfactant R8(F)(EO)9 as the liquid crystal template. The aim was 2-fold: first we checked which composition in the phase diagram was corresponding to a 2D rectangular highly ordered crystalline phase and second we exposed the films to sc-CO2 to foster the removal of the surfactant. The films were characterized by in situ X-ray reflectivity (XRR) and grazing incidence small angle X-ray scattering (GISAXS) under CO2 pressure from 0 to 100 bar at 34 °C...
January 11, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27908014/symmetry-effects-on-naturally-arising-chimera-states-in-mechanical-oscillator-networks
#12
Karen Blaha, Ryan J Burrus, Jorge L Orozco-Mora, Elvia Ruiz-Beltrán, Abu B Siddique, V D Hatamipour, Francesco Sorrentino
Coupled oscillators were believed to exclusively exist in a state of synchrony or disorder until Kuramoto theoretically proved that the two states could coexist, called a chimera state, when portions of the population had a spatial dependent coupling. Recent work has demonstrated the spontaneous emergence of chimera states in an experiment involving mechanical oscillators coupled through a two platform swing. We constructed an experimental apparatus with three platforms that each contains a population of mechanical oscillators in order investigate the effects of a network symmetry on naturally arising chimera states...
November 2016: Chaos
https://www.readbyqxmd.com/read/27859567/structure-and-absolute-configuration-of-hydroxy-bis-dihydrofarinosin-from-encelia-farinosa
#13
Alfredo R Ortega, Naytzé Ortiz-Pastrana, Leovigildo Quijano, Elvia Becerra-Martínez, José O Olmedo-Aguirre, Pedro Joseph-Nathan
The structure of the dimeric eudesmanolide hydroxy-bis-dihydrofarinosin (1) from Encelia farinosa followed after contrasting their (1) H and (13) C NMR spectra with those of encelin (6), hydroxy-bis-dihydroencelin (3), and farinosin (4). Structure 1 was verified by single-crystal X-ray diffraction analysis, which further provided the stereochemistry of the hydroxy group at C-4. Comparison of the experimental vibrational circular dichroism spectrum of its derived diacetate 2 with that calculated by density functional theory provided the absolute configuration, which resulted the same as that of its biogenetic precursor 4...
November 16, 2016: Magnetic Resonance in Chemistry: MRC
https://www.readbyqxmd.com/read/27698680/status-epilepticus-using-antioxidant-agents-as-alternative-therapies
#14
Liliana Carmona-Aparicio, Cecilia Zavala-Tecuapetla, María Eva González-Trujano, Aristides Iii Sampieri, Hortencia Montesinos-Correa, Leticia Granados-Rojas, Esaú Floriano-Sánchez, Elvia Coballase-Urrutía, Noemí Cárdenas-Rodríguez
The epileptic state, or status epilepticus (SE), is the most serious situation manifested by individuals with epilepsy, and SE events can lead to neuronal damage. An understanding of the molecular, biochemical and physiopathological mechanisms involved in this type of neurological disease will enable the identification of specific central targets, through which novel agents may act and be useful as SE therapies. Currently, studies have focused on the association between oxidative stress and SE, the most severe epileptic condition...
October 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27649570/heterogenous-distribution-of-mthfr-gene-variants-among-mestizos-and-diverse-amerindian-groups-from-mexico
#15
Cecilia Contreras-Cubas, Beatríz E Sánchez-Hernández, Humberto García-Ortiz, Angélica Martínez-Hernández, Francisco Barajas-Olmos, Miguel Cid, Elvia C Mendoza-Caamal, Federico Centeno-Cruz, Gabriela Ortiz-Cruz, José Concepción Jiménez-López, Emilio J Córdova, Eva Gabriela Salas-Bautista, Yolanda Saldaña-Alvarez, Juan Carlos Fernández-López, Osvaldo M Mutchinick, Lorena Orozco
Methylenetetrahydrofolate reductase (MTHFR) is a key enzyme in folate metabolism. Folate deficiency has been related to several conditions, including neural tube defects (NTDs) and cardiovascular diseases. Hence, MTHFR genetic variants have been studied worldwide, particularly the C677T and A1298C. We genotyped the C677T and A1298C MTHFR polymorphisms in Mexican Amerindians (MAs), from the largest sample included in a genetic study (n = 2026, from 62 ethnic groups), and in a geographically-matched Mexican Mestizo population (MEZ, n = 638)...
2016: PloS One
https://www.readbyqxmd.com/read/27622632/identification-of-enteropathogenic-escherichia-coli-in-children-with-acute-diarrheic-syndrome-from-sucre-state-venezuela
#16
Elvia Michelli, Adriana Millán, Hectorina Rodulfo, Mirian Michelli, Jesús Luiggi, Numirin Carreño, Marcos De Donato
INTRODUCTION: Diarrheagenic Escherichia coli is an important causative agent of acute diarrheic syndrome.  OBJECTIVE: To identify clonal groups of enteropathogenic E. coli (EPEC), in 485 children with acute diarrhea aged 0 to 10 years attending health care centers in Arismendi, Benítez and Sucre municipalities, Sucre state, Venezuela, from March to December, 2011.  MATERIALS AND METHODS: After obtaining the informed consent, stool samples were collected...
March 28, 2016: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/27563745/baclofen-in-the-therapeutic-of-sequele-of-traumatic-brain-injury-spasticity
#17
REVIEW
Adán Pérez-Arredondo, Eduardo Cázares-Ramírez, Paul Carrillo-Mora, Marina Martínez-Vargas, Noemí Cárdenas-Rodríguez, Elvia Coballase-Urrutia, Radamés Alemón-Medina, Aristides Sampieri, Luz Navarro, Liliana Carmona-Aparicio
Traumatic brain injury (TBI) is an alteration in brain function, caused by an external force, which may be a hit on the skull, rapid acceleration or deceleration, penetration of an object, or shock waves from an explosion. Traumatic brain injury is a major cause of morbidity and mortality worldwide, with a high prevalence rate in pediatric patients, in which treatment options are still limited, not available at present neuroprotective drugs. Although the therapeutic management of these patients is varied and dependent on the severity of the injury, general techniques of drug types are handled, as well as physical and surgical...
November 2016: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/27367796/x-ray-nanoscopy-of-a-bulk-heterojunction
#18
Nilesh Patil, Eirik Torbjørn Bakken Skjønsfjell, Niko Van den Brande, Elvia Anabela Chavez Panduro, Raf Claessens, Manuel Guizar-Sicairos, Bruno Van Mele, Dag Werner Breiby
Optimizing the morphology of bulk heterojunctions is known to significantly improve the photovoltaic performance of organic solar cells, but available quantitative imaging techniques are few and have severe limitations. We demonstrate X-ray ptychographic coherent diffractive imaging applied to all-organic blends. Specifically, the phase-separated morphology in bulk heterojunction photoactive layers for organic solar cells, prepared from a 50:50 blend of poly(3-hexylthiophene) (P3HT) and phenyl-C61-butyric acid methyl ester (PCBM) and thermally treated for different annealing times is imaged to high resolution...
2016: PloS One
https://www.readbyqxmd.com/read/27359126/beyond-the-east-west-dichotomy-global-variation-in-cultural-models-of-selfhood
#19
Vivian L Vignoles, Ellinor Owe, Maja Becker, Peter B Smith, Matthew J Easterbrook, Rupert Brown, Roberto González, Nicolas Didier, Diego Carrasco, Maria Paz Cadena, Siugmin Lay, Seth J Schwartz, Sabrina E Des Rosiers, Juan A Villamar, Alin Gavreliuc, Martina Zinkeng, Robert Kreuzbauer, Peter Baguma, Mariana Martin, Alexander Tatarko, Ginette Herman, Isabelle de Sauvage, Marie Courtois, Ragna B Garðarsdóttir, Charles Harb, Inge Schweiger Gallo, Paula Prieto Gil, Raquel Lorente Clemares, Gabriella Campara, George Nizharadze, Ma Elizabeth J Macapagal, Baland Jalal, David Bourguignon, Jianxin Zhang, Shaobo Lv, Aneta Chybicka, Masaki Yuki, Xiao Zhang, Agustín Espinosa, Aune Valk, Sami Abuhamdeh, Benjamin Amponsah, Emre Özgen, E Ülkü Güner, Nil Yamakoğlu, Phatthanakit Chobthamkit, Tom Pyszczynski, Pelin Kesebir, Elvia Vargas Trujillo, Paola Balanta, Boris Cendales Ayala, Silvia H Koller, Jas Laile Jaafar, Nicolay Gausel, Ronald Fischer, Taciano L Milfont, Ersin Kusdil, Selinay Çağlar, Said Aldhafri, M Cristina Ferreira, Kassahun Habtamu Mekonnen, Qian Wang, Márta Fülöp, Ana Torres, Leoncio Camino, Flávia Cristina Silveira Lemos, Immo Fritsche, Bettina Möller, Camillo Regalia, Claudia Manzi, Maria Brambilla, Michael Harris Bond
Markus and Kitayama's (1991) theory of independent and interdependent self-construals had a major influence on social, personality, and developmental psychology by highlighting the role of culture in psychological processes. However, research has relied excessively on contrasts between North American and East Asian samples, and commonly used self-report measures of independence and interdependence frequently fail to show predicted cultural differences. We revisited the conceptualization and measurement of independent and interdependent self-construals in 2 large-scale multinational surveys, using improved methods for cross-cultural research...
August 2016: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/27287035/combined-treatment-with-octreotide-lar-and-pegvisomant-in-patients-with-pituitary-gigantism-clinical-evaluation-and-genetic-screening
#20
Ruth Mangupli, Liliya Rostomyan, Emilie Castermans, Jean-Hubert Caberg, Paul Camperos, Jaime Krivoy, Elvia Cuauro, Vincent Bours, Adrian F Daly, Albert Beckers
INTRODUCTION: Pituitary gigantism is a rare condition caused by growth hormone secreting hypersecretion, usually by a pituitary tumor. Acromegaly and gigantism cases that have a genetic cause are challenging to treat, due to large tumor size and poor responses to some medical therapies (e.g. AIP mutation affected cases and those with X-linked acrogigantism syndrome). MATERIALS AND METHODS: We performed a retrospective study to identify gigantism cases among 160 somatotropinoma patients treated between 1985 and 2015 at the University Hospital of Caracas, Venezuela...
October 2016: Pituitary
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