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https://www.readbyqxmd.com/read/29161663/quantifying-the-flow-efficiency-in-constant-current-capacitive-deionization
#1
Steven A Hawks, Jennifer M Knipe, Patrick G Campbell, Colin K Loeb, McKenzie A Hubert, Juan G Santiago, Michael Stadermann
Here we detail a previously unappreciated loss mechanism inherent to capacitive deionization (CDI) cycling operation that has a substantial role determining performance. This mechanism reflects the fact that desalinated water inside a cell is partially lost to re-salination if desorption is carried out immediately after adsorption. We describe such effects by a parameter called the flow efficiency, and show that this efficiency is distinct from and yet multiplicative with other highly-studied adsorption efficiencies...
November 11, 2017: Water Research
https://www.readbyqxmd.com/read/29161494/species-of-sand-flies-diptera-psychodidae-collected-from-natural-reserves-in-the-pacific-and-darien-regions-of-colombia
#2
Rafael J Vivero, María Angélica Contreras, Juan D Suaza, Iván D Vélez, Charles Porter, Sandra Uribe
INTRODUCTION: The departments of Chocó and Antioquia in Colombia show climatic and vegetation conditions favoring the establishment of vector species of the genus Lutzomyia and the transmission of Leishmania spp. to human populations entering conserved forest environments. OBJECTIVE: To report the species of Phlebotomine sandflies present in three natural reserves in the Darien and Pacific regions of Colombia. MATERIALS AND METHODS: Sand flies were collected specifically in the natural reserves El Aguacate (Acandí, Chocó), Nabugá (Bahía Solano, Chocó) and Tulenapa (Carepa, Antioquia)...
March 29, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29161486/-phylogenetic-signal-at-the-cytb-sertrna-ig1-nd1-mitochondrial-region-in-anopheles-kerteszia-neivai-howard-dyar-knab-1913
#3
Andrés López-Rubio, Juan David Suaza, Charles Porter, Sandra Uribe, Gabriel Bedoya, Iván Darío Vélez
INTRODUCTION: Mitochondrial DNA has proven its utility for the study of insect evolution. Genes such as cytochrome b (Cytb) and the transfer gene for serine (SertRNA) can be used to compare closely related organisms. OBJECTIVE: The phylogenetic utility of Cytb-SertRNA-IG1-ND1 was tested for polymorphisms, and secondary structure modeling in SertRNA was done to detect possible cryptic species in Anopheles neivai. MATERIALS AND METHODS: Specimens from Colombia, Guatemala, and the type locality in Panamá were collected and sequenced for specimen comparison based on DNA polymorphisms, and secondary structure modeling for the SertRNA gene...
March 29, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29161485/aedes-albopictus-skuse-1894-infected-with-the-american-asian-genotype-of-dengue-type-2-virus-in-medell%C3%A3-n-suggests-its-possible-role-as-vector-of-dengue-fever-in-colombia
#4
Andrés Gómez-Palacio, Juan Suaza-Vasco, Sandra Castaño, Omar Triana, Sandra Uribe
INTRODUCTION: Aedes aegypti and Ae. albopictus are recognized vectors of dengue, yellow fever, chikungunya and Zika arboviruses in several countries worldwide. In Colombia, Ae. albopictus geographical distribution has increased to include highly populated cities such as Cali and Medellín. Although this species has been frequently found in urban and semi-urban zones in the country, its role as vector of the dengue fever is poorly known. OBJECTIVE: To identify the presence of Ae...
March 29, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29161481/-eco-epidemiological-aspects-natural-detection-and-molecular-identification-of-leishmania-spp-in-lutzomyia-reburra-lutzomyia-barrettoi-majuscula-and-lutzomyia-trapidoi
#5
Jazzmín Arrivillaga-Henríquez, Sandra Enríquez, Vanessa Romero, Gustavo Echeverría, Jorge Pérez-Barrera, Ana Poveda, Juan-Carlos Navarro, Alon Warburg, Washington Benítez
INTRODUCTION: The province of Pichincha in Ecuador is an endemic area of cutaneous leishmaniasis, where anthropophilic sand flies with natural infection by Leishmania, have been reported as vectors. However, the role in transmission of zoophilic species has not been evaluated. OBJECTIVE: To evaluate natural infection by Leishmania in two zoophilic phlebotomine sand fly species, Lutzomyia reburra and Lu. barrettoi majuscula, and one anthropophilic species, Lu. trapidoi, as well as the endophagy and synanthropism of these species in the northwest of Pichincha...
March 29, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29161476/-spatial-distribution-of-aedes-aegypti-diptera-culicidae-in-the-rural-area-of-two-municipalities-of-cundinamarca-colombia
#6
Laura Cabezas, Wilson Cabanzo, Fernando Santa, Victor Alberto Olano, Diana Sarmiento, Sandra Vargas, Juan Felipe Jaramillo, Thor-Axel Stenstrom, Hans J Overgaard, María Inés Matiz
INTRODUCTION: It is difficult to adapt or create new strategies for dengue control in rural areas due to the dispersion of homes and the lack of knowledge about the presence and behavior of the vector in these areas. Spatial data analysis could help understand time and space dynamics related to the transmission of vector-borne diseases in rural areas and, thus, contribute to the prevention and control of dengue. OBJECTIVE: To determine the probability of the presence of the dengue vector Aedes aegypti in the rural area of the municipalities of Anapoima and La Mesa, in the central area of Colombia...
March 29, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29161424/clinical-impact-of-implantable-cardioverter-defibrillator-in-primary-prevention-of-total-mortality-in-non-ischaemic-cardiomyopathy-results-from-a-meta-analysis-of-prospective-randomized-clinical-trials
#7
Jorge Romero, Juan Carlos Díaz, Michael Grushko, Renato Quispe, David Briceno, Ricardo Avendano, Anjani Golive, Ileana Pina, Andrea Natale, Mario J Garcia, Ulrich P Jorde, Luigi Di Biase
Aim: Primary prophylactic implantable cardioverter defibrillators (ICDs) have demonstrated a clear all-cause mortality benefit in patients with ischaemic cardiomyopathy, with less compelling evidence supporting its use in patients with non-ischaemic cardiomyopathy (NICM). We performed a meta-analysis of randomized controlled trials (RCTs) evaluating the role of ICD for reduction in total mortality in NICM patients. Methods and results: An electronic search on PubMed, the Cochrane Library, and EMBASE databases was performed to identify the RCTs evaluating the role of prophylactic ICD placement in NICM patients...
November 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29161309/dronedarone-produces-early-regression-of-myocardial-remodelling-in-structural-heart-disease
#8
Begoña Quintana-Villamandos, Jose Juan Gomez de Diego, María Jesús Delgado-Martos, David Muñoz-Valverde, María Luisa Soto-Montenegro, Manuel Desco, Emilio Delgado-Baeza
BACKGROUND AND AIMS: Left ventricular hypertrophy (LVH) in hypertension is associated with a greater risk of sustained supraventricular/atrial arrhythmias. Dronedarone is an antiarrhythmic agent that was recently approved for the treatment of atrial fibrillation. However, its effect on early regression of LVH has not been reported. We tested the hypothesis that short-term administration of dronedarone induces early regression of LVH in spontaneously hypertensive rats (SHRs). METHODS: Ten-month-old male SHRs were randomly assigned to an intervention group (SHR-D), where animals received dronedarone treatment (100 mg/kg) for a period of 14 days, or to a control group (SHR) where rats were given vehicle...
2017: PloS One
https://www.readbyqxmd.com/read/29161242/cadherin-1-and-cadherin-3-cooperation-determines-the-aggressiveness-of-pancreatic-ductal-adenocarcinoma
#9
Carole Siret, Aurélie Dobric, Anna Martirosyan, Chloé Terciolo, Sébastien Germain, Renaté Bonier, Thassadite Dirami, Nelson Dusetti, Richard Tomasini, Marion Rubis, Stéphane Garcia, Juan Iovanna, Dominique Lombardo, Véronique Rigot, Frédéric André
BACKGROUND: Pancreatic ductal adenocarcinoma (PDAC) is characterised by an extensive tissue invasion and an early formation of metastasis. Alterations in the expression of cadherins have been reported in PDAC. Yet, how these changes contribute to tumour progression is poorly understood. Here, we investigated the relationship between cadherins expression and PDAC development. METHODS: Cadherins expression was assessed by immunostaining in both human and murine tissue specimens...
November 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29161241/determination-of-an-optimal-response-cut-off-able-to-predict-progression-free-survival-in-patients-with-well-differentiated-advanced-pancreatic-neuroendocrine-tumours-treated-with-sunitinib-an-alternative-to-the-current-recist-defined-response
#10
Angela Lamarca, Jorge Barriuso, Matthew Kulke, Ivan Borbath, Heinz-Josef Lenz, Jean Luc Raoul, Neal J Meropol, Catherine Lombard-Bohas, James Posey, Sandrine Faivre, Eric Raymond, Juan W Valle
BACKGROUND: Sunitinib prolongs progression-free survival (PFS) in patients with advanced pancreatic neuroendocrine tumours (pNET). Response Evaluation Criteria in Solid Tumors (RECIST)-defined partial responses (PR; classically defined as ⩾30% size decrease from baseline) are infrequent. METHODS: Individual data of pNET patients from the phase II [NCT00056693] and pivotal phase III [NCT00428597] trials of sunitinib were analysed in this investigator-initiated, post hoc study...
November 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29161112/reply-to-discussion-of-can-measures-of-critical-power-precisely-estimate-the-maximal-metabolic-steady-state-is-it-still-necessary-to-compare-critical-power-to-maximal-lactate-steady-state-when-is-it-appropriate-to-compare-critical-power-to-maximal-lactate-steady
#11
Daniel A Keir, Felipe Mattioni Maturana, Juan M Murias
No abstract text is available yet for this article.
November 21, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29160888/iron-iii-complexes-of-2-methyl-6-pyrimidin-2-yl-hydrazonomethyl-phenol-as-spin-crossover-molecular-materials
#12
Juan Yuan, Mei-Jiao Liu, Cai-Ming Liu, Hui-Zhong Kou
Four new mononuclear Fe(iii) complexes 1-4 of 2-methyl-6-(pyrimidin-2-yl-hydrazonomethyl)-phenol (H2L) have been synthesized and characterized by magnetic susceptibility measurements and single-crystal X-ray diffraction analysis. Complexes 1-3 are ionic compounds with the formula [Fe(HL)2]X·nsolvent (X = ClO4(-) (1), BF4(-) (2) and Cl(-) (3)), while complex 4 ([Fe(HL)(L)]) is neutral. The central Fe(iii) ion in complexes 1-4 is coordinated by four nitrogen and two oxygen atoms of two Schiff base ligands HL(-) or L(2-), and the coordination geometries of Fe(III) are all distorted octahedral...
November 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29160848/application-of-enzymatic-extracts-from-a-calb-standard-strain-as-biocatalyst-within-the-context-of-conventional-biodiesel-production-optimization
#13
Carlos Luna, Diego Luna, Felipa M Bautista, Rafael Estevez, Juan Calero, Alejandro Posadillo, Antonio A Romero, Enrique D Sancho
The application of biocatalysts in the transesterification process of triglycerides (TG) allows integrating the glycerol in the form of monoglyceride (MG), sharply increasing the yield and the environmental sustainability of the conventional biodiesel production process. This is known as Ecodiesel. To overcome the inconvenient of the high cost of the currently employed highly purified commercial enzymes, the use of scarcely purified extracts obtained from standard strains of the same species of commercial lipases currently applied in this process is being investigated...
November 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29160203/molecular-epidemiology-and-antimicrobial-susceptibility-of-clostridium-difficile-isolated-from-hospitals-during-a-4-year-period-in-china
#14
Yun-Bo Chen, Si-Lan Gu, Ping Shen, Tao Lv, Yun-Hui Fang, Ling-Ling Tang, Lan-Juan Li
OBJECTIVE: The aim of this study was to perform molecular characterization for and determine the antimicrobial susceptibility profiles of Clostridium difficile collected from hospitals during a 4-year period (2009-2013) in China. METHODS: Strains of toxigenic C. difficile were isolated from patients with diarrhoea, and this was followed by typing using multilocus sequence typing (MLST) and testing for susceptibility to 10 antimicrobials by using the E-test. The mechanisms of resistance to moxifloxacin, erythromycin, clindamycin and tetracycline were investigated by PCR...
November 21, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29160117/determination-and-identification-of-antibiotic-resistant-oral-streptococci-isolated-from-active-dental-infections-in-adults
#15
Juan Pablo Loyola-Rodriguez, Maria Elena Ponce-Diaz, Alejandra Loyola-Leyva, Jose O Garcia-Cortes, Carlo E Medina-Solis, Azael A Contreras-Ramire, Eduardo Serena-Gomez
OBJECTIVE: To determine and identify antibiotic-resistant bacteria (ARB) of oral streptococci from active dental infections in adults and its association with age and gender. MATERIAL AND METHODS: This cross-sectional study included 59 subjects from 18 to 62 years old. Ninety-eighth samples obtained from the subjects were cultivated in agar plates containing antibiotics amoxicillin/clavulanic acid (A-CA), clindamycin, and moxifloxacin (concentrations of 16, 32 or 64 µg/ml)...
November 21, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/29160106/display-of-the-albumin-binding-domain-in-the-envelope-improves-lentiviral-vector-bioavailability
#16
Antonio Rodriguez, Guillermo Garaulet, Juan José Lazcano, Hernán Alarcón, Sergio de Frutos, Jorge Luis Martínez-Torrecuadrada
Vesicular stomatitis virus G glycoprotein (VSVg) is extensively used for retroviral and lentiviral vector (LV) pseudotyping. However, VSVg pseudotyped vectors are serum inactivated, blocking the in vivo gene delivery. Several strategies have been employed to prevent complement inactivation, including chemical and genetic envelope modifications. Here we have employed the streptococcal Albumin Binding Domain (ABD) to generate a construct to express ABD as a GPI-anchored protein. LV particles bearing ABD are able to bind bovine and human serum albumin in vitro...
November 21, 2017: Human Gene Therapy Methods
https://www.readbyqxmd.com/read/29159872/the-dark-side-of-glucose-transporters-in-prostate-cancer-are-they-a-new-feature-to-characterize-carcinomas
#17
REVIEW
Pedro Gonzalez-Menendez, David Hevia, Juan C Mayo, Rosa M Sainz
One of the hallmarks of cancer cells is the increased ability to acquire nutrients, particularly glucose and glutamine. Proliferating cells need precursors for cell growth and NADPH reducing equivalents for survival. The principal responsible for glucose uptake is facilitative glucose transporters (GLUTs), which usually are overexpressed in cancer cells. Besides their role in glucose uptake, GLUT transporters are able to transport other compounds such as dehydroascorbic acid or uric acid. They play a major role in tumor progression and cellular processes such as regulated cell death...
November 21, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29159557/correction-to-potentiometric-determination-of-fluoride-concentration-in-beers
#18
Inmaculada Gutiérrez, Juan Ramón Jaudenes, Arturo Hardisson, Soraya Paz, Carmen Rubio, Angel José Gutiérrez, Antonio Burgos, Consuelo Revert
The original version of the article unfortunately contained a mistake. The first author Inmaculada Gutiérrez was omitted.
November 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29159521/discovery-of-small-molecules-binding-to-the-normal-conformation-of-prion-by-combining-virtual-screening-and-multiple-biological-activity-evaluation-methods
#19
Lanlan Li, Wei Wei, Wen-Juan Jia, Yongchang Zhu, Yan Zhang, Jiang-Huai Chen, Jiaqi Tian, Huanxiang Liu, Yong-Xing He, Xiaojun Yao
Conformational conversion of the normal cellular prion protein, PrP(C), into the misfolded isoform, PrP(Sc), is considered to be a central event in the development of fatal neurodegenerative diseases. Stabilization of prion protein at the normal cellular form (PrP(C)) with small molecules is a rational and efficient strategy for treatment of prion related diseases. However, few compounds have been identified as potent prion inhibitors by binding to the normal conformation of prion. In this work, to rational screening of inhibitors capable of stabilizing cellular form of prion protein, multiple approaches combining docking-based virtual screening, steady-state fluorescence quenching, surface plasmon resonance and thioflavin T fluorescence assay were used to discover new compounds interrupting PrP(C) to PrP(Sc) conversion...
November 20, 2017: Journal of Computer-aided Molecular Design
https://www.readbyqxmd.com/read/29159325/role-of-aramchol-in-steatohepatitis-and-fibrosis-in-mice
#20
Marta Iruarrizaga-Lejarreta, Marta Varela-Rey, David Fernández-Ramos, Ibon Martínez-Arranz, Teresa C Delgado, Jorge Simon, Virginia Gutiérrez-de Juan, Laura delaCruz-Villar, Mikel Azkargorta, José L Lavin, Rebeca Mayo, Sebastiaan M Van Liempd, Igor Aurrekoetxea, Xabier Buqué, Donatella Delle Cave, Arantza Peña, Juan Rodríguez-Cuesta, Ana M Aransay, Felix Elortza, Juan M Falcón-Pérez, Patricia Aspichueta, Liat Hayardeny, Mazen Noureddin, Arun J Sanyal, Cristina Alonso, Juan Anguita, María Luz Martínez-Chantar, Shelly C Lu, José M Mato
Nonalcoholic steatohepatitis (NASH) is the advanced form of nonalcoholic fatty liver disease (NAFLD) which sets the stage for further liver damage. The mechanism for the progression of NASH involves multiple parallel hits including oxidative stress, mitochondrial dysfunction, inflammation and others. Manipulation of any of these pathways may be an approach to prevent NASH development and progression. Aramchol (arachidyl-amido cholanoic acid) is presently in a phase IIb NASH study. The aim of this study was to investigate Aramchol's mechanism of action and its effect on fibrosis using the methionine- and choline-deficient (MCD) diet model of NASH...
November 2017: Hepatol Commun
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