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https://www.readbyqxmd.com/read/28549311/reaction-of-diazepam-and-related-benzodiazepines-with-chlorine-kinetics-transformation-products-and-in-silico-toxicological-assessment
#1
Inmaculada Carpinteiro, Rosario Rodil, José Benito Quintana, Rafael Cela
In this work, the reaction of four benzodiazepines (diazepam, oxazepam, nordazepam and temazepam) during water chlorination was studied by means of liquid chromatography-quadrupole-time of flight-mass spectrometry (LC-QTOF-MS). For those compounds that showed a significant degradation, i.e. diazepam, oxazepam and nordazepam, parameters affecting to the reaction kinetics (pH, chlorine and bromide level) were studied in detail and transformation products were tentatively identified. The oxidation reactions followed pseudofirst-order kinetics with rate constants in the range of 1...
May 3, 2017: Water Research
https://www.readbyqxmd.com/read/28549185/visibility-and-persistence-of-marker-dyes-and-effect-on-the-quality-and-mating-competitiveness-of-mass-reared-flies-diptera-tephritidae-anastrepha-obliqua-and-bisexual-and-genetic-sexing-tapachula-7-strains-of-a-ludens
#2
José Arredondo, Lia Ruiz, Gladis López, Francisco Díaz-Fleischer
Fluorescent dyes are commonly used in the sterile insect technique (SIT) for marking insects for a proper identification after recapture. However, the quality of the mark must be balanced against insect performance, because dyes can negatively affect some parameters of insect performance and reduce their effectiveness in control with the SIT. We determined the visibility and persistence and the effect of dyes on the quality of Anastrepha obliqua (Macquart) and Anastrepha ludens (Loew) (bisexual and genetic sexing strains) by testing four concentrations of a dye (Day-Glo) from 0 to 2...
May 26, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28549145/six-month-safety-data-of-recombinant-vesicular-stomatitis-virus-zaire-ebola-virus-envelope-glycoprotein-vaccine-in-a-phase-3-double-blind-placebo-controlled-randomized-study-in-healthy-adults
#3
Scott A Halperin, Jose R Arribas, Richard Rupp, Charles P Andrews, Laurence Chu, Rituparna Das, Jakub K Simon, Matthew T Onorato, Kenneth Liu, Jason Martin, Frans A Helmond
Background.: This study (NCT02503202) evaluated the safety of recombinant vesicular stomatitis virus-Zaire Ebola virus envelope glycoprotein vaccine (rVSVΔG-ZEBOV-GP). Methods.: Overall, 1197 subjects were randomized 2:2:2:2:1; 1194 were vaccinated with 1 dose of 1 of 3 lots of rVSVΔG- ZEBOV-GP (2 × 107 plaque-forming units [pfu], n = 797; combined-lots group), a single high-dose lot of rVSVΔG-ZEBOV-GP (1 × 108 pfu, n = 264; high-dose group), or placebo (n = 133)...
May 26, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28549022/pictorial-review-of-surgical-anatomy-in-adult-congenital-heart-disease
#4
Carlo N De Cecco, Giuseppe Muscogiuri, José M Madrid Pérez, Marwen Eid, Pal Suranyi, Virginia W Lesslie, Gorka Bastarrika
The survival rate of patients with congenital heart disease (CHD) has dramatically improved over the last 2 decades because of technological and surgical advances in diagnosis and treatment, respectively. The vast majority of CHD patients are, in fact, amenable to treatment by either device closure or surgery. Considering the wide spectrum of surgical procedures and complex native and derived anatomy, continuous and detailed follow-up is of paramount importance. Cardiac magnetic resonance and cardiac computed tomography angiography are the cornerstones of diagnosis and follow-up of CHD, allowing for comprehensive noninvasive assessment of the heart, coronary tree, and intrathoracic great vessels, along with both morphological and functional evaluation...
May 25, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28548886/association-of-preventive-maintenance-therapy-compliance-and-peri-implant-diseases-a-cross-sectional-study
#5
Alberto Monje, Hom-Lay Wang, José Nart
AIM: This study was aimed at investigating the association between peri-implant maintenance therapy (PIMT) and the frequency of peri-implant diseases, and to further identify the factors that contribute to failure of PIMT compliance. MATERIAL AND METHODS: A cross-sectional study on healthy partial edentulous patients was conducted. These were grouped in the following categories according to the PIMT compliance: regular compliers (RC) (≥2 PIMT/year), erratic compliers (EC) (<2 PIMT/year), and non-compliers (NC) (0 PIMT/year)...
May 26, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28548834/subtly-modulating-glycogen-synthase-kinase-3-%C3%AE-allosteric-inhibitors-development-and-their-potential-for-the-treatment-of-chronic-diseases
#6
Valle Palomo, Daniel I Pérez, Carlos Roca, Cara Anderson, Natalia Rodriguez-Muela, Concepción Pérez, Jose A Morales-Garcia, Julio A Reyes, Nuria E Campillo, Ana M Pérez-Castillo, Lee L Rubin, Lubov T Timchenko, Carmen Gil, Ana Martínez
Glycogen synthase kinase 3 β (GSK-3β) is a central target in several unmet diseases. To increase the specificity of GSK-3β inhibitors in chronic treatments we are developing small molecules allowing subtle modulation of GSK-3β activity. Design synthesis, structure-activity relationships and binding mode of quinoline-3-carbohydrazide derivatives as allosteric modulators of GSK-3β are here presented. Furthermore, we show how allosteric binders may overcome the β-catenin side effects associated to strong GSK-3β inhibition...
May 26, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28548830/stable-5-5%C3%A2-substituted-2-2%C3%A2-bipyrroles-building-blocks-for-macrocyclic-and-materials-chemistry
#7
Gonzalo Anguera, Brice Kauffmann, Jose Ignacio Borrell, Salvador Borros, David Sánchez-García
The preparation and characterization of a family of stable 2,2´-bipyrroles substituted at positions 5,5´with thienyl, phenyl, TMS-ethynyl, and vinyl groups is reported herein. The synthesis of these new bipyrroles comprises three steps: formation of the corresponding 5,5´-unsubstituted bipyrrole, bromination and Stille or Suzuki coupling. The best results in the coupling are obtained using the Stille reaction under microwave irradiation. The new compounds have been fully characterized by UV-vis absorption, fluorescence and IR spectroscopies and cyclic voltammetry...
May 26, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28548698/novel-porcine-experimental-model-of-severe-progressive-thoracic-scoliosis-with-compensatory-curves-induced-by-interpedicular-bent-rigid-temporary-tethering
#8
Carlos Barrios, José Miguel Lloris, Juan Alonso, Borja Maruenda, Jesús Burgos, Rafael Llombart-Blanco, Luis Gil, Viviana Bisbal
Using flexible tethering techniques, porcine models of experimental scoliosis have shown scoliotic curves with vertebral wedging but very limited axial rotation. The aim of this experimental work was to induce a severe progressive scoliosis in a growing porcine model for research purposes. A unilateral spinal bent rigid tether was anchored to two ipsilateral pedicle screws in eight pigs. The spinal tether was removed after 8 weeks. Ten weeks later, the animals were sacrificed. Conventional radiographs and 3D CT-scans were taken to evaluate changes in the alignment of the thoracic spine...
May 26, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28548688/effects-of-orthostatism-and-hemodialysis-on-mean-heart-period-and-fractal-heart-rate-properties-of-chronic-renal-failure-patients
#9
Juan C Echeverría, Oscar Infante, Héctor Pérez-Grovas, Hortensia González, Marco V José, Claudia Lerma
The aim of this work was to evaluate the short-term fractal index (α1 ) of heart rate variability (HRV) in chronic renal failure (CRF) patients by identifying the effects of orthostatism and hemodialysis (HD), and by evaluating the correlation between α1 and the mean RR interval from sinus beats (meanNN). HRV time series were derived from ECG data of 19 CRF patients and 20 age-matched healthy subjects obtained at supine and orthostatic positions (lasting 5 min each). Data from CRF patients were collected before and after HD...
May 26, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28548578/emotional-cognitive-and-behavioral-reactions-to-paranoid-symptoms-in-clinical-and-nonclinical-populations
#10
Célia Barreto Carvalho, Carolina da Motta, José Pinto-Gouveia, Ermelindo Manuel Bernardo Peixoto
BACKGROUND: Paranoia is a disruptive belief that can vary across a continuum, ranging from persecutory delusions presented in clinical settings to paranoid cognitions that are highly prevalent in the general population. The literature suggests that paranoid thoughts derive from the activation of a paranoid schema or information processing biases that can be sensitive to socially ambiguous stimuli and influence the processing of threatening situations. METHODS: Four groups (schizophrenic participants in active psychotic phases, n=61; stable participants in remission, n=30; participants' relatives, n=32; and, healthy controls, n=64) were assessed with self-report questionnaires to determine how the reactions to paranoia of clinical patients differ from healthy individuals...
2017: Clinical Schizophrenia & related Psychoses
https://www.readbyqxmd.com/read/28548309/tau-%C3%AE-synuclein-ratio-and-inflammatory-proteins-in-parkinson-s-disease-an-exploratory-study
#11
Manuel Delgado-Alvarado, Belén Gago, Ana Gorostidi, Haritz Jiménez-Urbieta, Rosalía Dacosta-Aguayo, Irene Navalpotro-Gómez, Javier Ruiz-Martínez, Alberto Bergareche, José F Martí-Massó, Pablo Martínez-Lage, Andrea Izagirre, María C Rodríguez-Oroz
BACKGROUND: No CSF or plasma biomarker has been validated for diagnosis or progression of PD. OBJECTIVES: To assess whether the CSF and plasma levels of proteins associated with PD neuropathological inclusions and with neuroinflammation might have value in the diagnosis of PD or in relation to disease severity. METHODS: CSF levels of α-synuclein, amyloid-ß1-42, total tau, and threonine-181 phosphorylated tau, as well as CSF and plasma levels of cytokines (interleukin-1ß, interleukin-2, interleukin, interferon-γ, and tumor necrosis factor α) were studied in 40 PD patients and 40 healthy controls...
May 26, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28548298/total-cerebral-small-vessel-disease-score-and-cognitive-performance-in-community-dwelling-older-adults-results-from-the-atahualpa-project
#12
Victor J Del Brutto, Jorge G Ortiz, Oscar H Del Brutto, Robertino M Mera, Mauricio Zambrano, José Biller
OBJECTIVE: Cerebral small vessel disease (SVD) is inversely associated with cognitive performance. However, whether the total SVD score is a better predictor of poor cognitive performance than individual signatures of SVD is inconclusive. We aimed to estimate the combined and independent predictive power of these MRI findings. METHODS: Atahualpa residents aged ≥60 years underwent brain MRI. Cognitive performance was measured by the Montreal Cognitive Assessment (MoCA)...
May 26, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28548203/-comparing-independent-samples-correlations-suggestions-based-of-urz%C3%A3%C2%BAa-et-al
#13
José Luis Ventura-León, Tomás Caycho
No abstract text is available yet for this article.
March 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28548189/-physical-activity-obesity-and-self-esteem-in-chilean-schoolchildren
#14
Félix Zurita-Ortega, Manuel Castro-Sánchez, Sonia Rodríguez-Fernández, Cristian Cofré-Boladós, Ramón Chacón-Cuberos, Asunción Martínez-Martínez, José Joaquín Muros-Molina
BACKGROUND: Obesity is a worldwide epidemic disease and a problem for the Chilean society. AIM: To analyze the relationship between physical condition, body mass index (BMI), level of physical activity and self-esteem. Material ad Methods: Questionnaires to assess self-esteem (Rosemberg scale) and levels of physical activity (Physical Activity Questionnaire for older Children, PAQ-C) were answered by 515 children aged 10.5 ± 0.5 years from 27 schools of Santiago de Chile...
March 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28548185/-evaluation-the-american-college-of-cardiology-and-american-heart-association-predictive-score-for-cardiovascular-diseases
#15
Mónica Acevedo, Giovanna Valentino, Verónica Kramer, María José Bustamante, Marcela Adasme, Lorena Orellana, Fernando Baraona, Carlos Navarrete
BACKGROUND: Recently, the American College of Cardiology and American Heart Association (ACC/AHA) proposed a new cardiovascular risk (CV) score. AIM: To evaluate the new risk score (ACC/AHA 2013) in a Chilean population. MATERIAL AND METHODS: Between 2002 and 2014, body mass index (BMI), waist circumference, blood pressure, lipid profile and fasting blood glucose levels were measured and a survey about CV risk factors was responded by 3,284 subjects aged 40 to 79 years (38% females), living in urban Santiago...
March 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28548097/scalable-focused-ion-beam-creation-of-nearly-lifetime-limited-single-quantum-emitters-in-diamond-nanostructures
#16
Tim Schröder, Matthew E Trusheim, Michael Walsh, Luozhou Li, Jiabao Zheng, Marco Schukraft, Alp Sipahigil, Ruffin E Evans, Denis D Sukachev, Christian T Nguyen, Jose L Pacheco, Ryan M Camacho, Edward S Bielejec, Mikhail D Lukin, Dirk Englund
The controlled creation of defect centre-nanocavity systems is one of the outstanding challenges for efficiently interfacing spin quantum memories with photons for photon-based entanglement operations in a quantum network. Here we demonstrate direct, maskless creation of atom-like single silicon vacancy (SiV) centres in diamond nanostructures via focused ion beam implantation with ∼32 nm lateral precision and <50 nm positioning accuracy relative to a nanocavity. We determine the Si+ ion to SiV centre conversion yield to be ∼2...
May 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28548080/discovery-of-first-in-class-reversible-dual-small-molecule-inhibitors-against-g9a-and-dnmts-in-hematological-malignancies
#17
Edurne San José-Enériz, Xabier Agirre, Obdulia Rabal, Amaia Vilas-Zornoza, Juan A Sanchez-Arias, Estibaliz Miranda, Ana Ugarte, Sergio Roa, Bruno Paiva, Ander Estella-Hermoso de Mendoza, Rosa María Alvarez, Noelia Casares, Victor Segura, José I Martín-Subero, François-Xavier Ogi, Pierre Soule, Clara M Santiveri, Ramón Campos-Olivas, Giancarlo Castellano, Maite Garcia Fernandez de Barrena, Juan Roberto Rodriguez-Madoz, Maria José García-Barchino, Juan Jose Lasarte, Matias A Avila, Jose Angel Martinez-Climent, Julen Oyarzabal, Felipe Prosper
The indisputable role of epigenetics in cancer and the fact that epigenetic alterations can be reversed have favoured development of epigenetic drugs. In this study, we design and synthesize potent novel, selective and reversible chemical probes that simultaneously inhibit the G9a and DNMTs methyltransferase activity. In vitro treatment of haematological neoplasia (acute myeloid leukaemia-AML, acute lymphoblastic leukaemia-ALL and diffuse large B-cell lymphoma-DLBCL) with the lead compound CM-272, inhibits cell proliferation and promotes apoptosis, inducing interferon-stimulated genes and immunogenic cell death...
May 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28547814/electrical-stimulation-structurally-affects-the-tissues-of-the-rectum-and-anus-of-nulliparous-rats
#18
Hugo Alves de Sousa, Maria da Glória da Silva, Keyla de Paula Barbosa, Leonora Maciel de Souza Vianna, Yolanda Galindo Pacheco, José Roberto Pimenta de Godoy, Selma Aparecida Souza Kuckelhaus
Considering that the muscles of the anus perform a critical role in maintaining continence, losses in their structure can negatively affect the physiological control of the intestinal contents. Anorectal electro-stimulation (ARES) has been reported to have a positive effect on the functionality of treated patients, but how ARES affects the structural tissues of the anorectal segment remains unknown. Because the study of how ARES structurally affects human tissues is not possible, this study aimed to clarify these effects in a murine model, which has a similar anorectal segment (structure and physiology) to humans...
May 26, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28547667/metalloproteomics-approach-to-analyze-mercury-in-breast-milk-and-hair-samples-of-lactating-women-in-communities-of-the-amazon-basin-brazil
#19
M R Cerbino, José Cavalcante Souza Vieira, C P Braga, G Oliveira, I F Padilha, T M Silva, L F Zara, N J Silva, P M Padilha
Mercury is a potentially toxic element that is present in the environment of the Brazilian Amazon and is responsible for adverse health effects in humans. This study sought to assess possible protein biomarkers of mercury exposure in breast milk samples from lactating women in the Madeira and Negro Rivers in the Brazilian Amazon. The mercury content of hair samples of lactating women was determined, and the proteome of breast milk samples was obtained using two-dimensional electrophoresis after protein precipitation with acetone...
May 25, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28547320/real-time-noninvasive-monitoring-of-intracranial-fluid-shifts-during-dialysis-using-volumetric-integral-phase-shift-spectroscopy-vips-a-proof-of-concept-study
#20
Chethan P Venkatasubba Rao, Eric M Bershad, Eusebia Calvillo, Nelson Maldonado, Rahul Damani, Sreedhar Mandayam, Jose I Suarez
BACKGROUND: Cerebral edema, which is associated with increased intracranial fluid, is often a complication of many acute neurological conditions. There is currently no accepted method for real-time monitoring of intracranial fluid volume at the bedside. We evaluated a novel noninvasive technique called "Volumetric Integral Phase-shift Spectroscopy (VIPS)" for detecting intracranial fluid shifts during hemodialysis. METHODS: Subjects receiving scheduled hemodialysis for end-stage renal disease and without a history of major neurological conditions were enrolled...
May 25, 2017: Neurocritical Care
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