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https://www.readbyqxmd.com/read/28437687/use-of-tourmaline-as-a-potential-petrogenetic-indicator-in-the-determination-of-host-magma-crs-xrd-and-ped-xrf-methods
#1
Bahattin Gullu, Yusuf Kagan Kadioglu
Tourmaline defines a group of complex borosilicate forms as accessory mineral in igneous and metamorphic rocks and they act an important role in the interpretation of the chemical composition changes of the composition of the host fluid of the magma. The variety of tourmaline can be identified by using optical microscopy, X-Ray Diffraction (XRD) and by determining its chemical composition through Polarized Energy Dispersive X-Ray Fluorescence (PED-XRF) methods. However, microscopic investigations and XRD analyses are not quite adequate for detailed determination of tourmaline sub-groups...
April 19, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28437524/the-evolution-of-the-plateau-an-optical-coherence-tomography-signature-seen-in-geographic-atrophy
#2
Anna C S Tan, Polina Astroz, Kunal K Dansingani, Jason S Slakter, Lawrence A Yannuzzi, Christine A Curcio, K Bailey Freund
Purpose: Histologic details of progression routes to geographic atrophy (GA) in AMD are becoming available through optical coherence tomography (OCT). We studied the origins and evolution of an OCT signature called plateau in eyes with GA and suggested a histologic correlate. Methods: Serial eye-tracked OCT scans and multimodal imaging were acquired from eight eyes of seven patients with GA and plateau signatures over a mean follow-up of 7.7 years (range, 3.7-11...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28436839/automatic-subretinal-fluid-segmentation-of-retinal-sd-oct-images-with-neurosensory-retinal-detachment-guided-by-enface-fundus-imaging
#3
Menglin Wu, Qiang Chen, Xiaojun He, Ping Li, Wen Fan, Songtao Yuan, Hyunjin Park
OBJECTIVE: Accurate segmentation of neurosensory retinal detachment (NRD)-associated subretinal fluid in spectral domain optical coherence tomography (SD-OCT) is vital for the assessment of central serous chorioretinopathy (CSC). A novel two-stage segmentation algorithm was proposed, guided by Enface fundus imaging. METHODS: In the first stage, Enface fundus image was segmented using thickness map prior to detecting the fluid-associated abnormalities with diffuse boundaries...
April 18, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28434154/protective-effects-of-cell-free-supernatant-and-live-lactic-acid-bacteria-isolated-from-thai-pigs-against-a-pandemic-strain-of-porcine-epidemic-diarrhea-virus
#4
Wandee Sirichokchatchawan, Gun Temeeyasen, Dachrit Nilubol, Nuvee Prapasarakul
Porcine epidemic diarrhea virus (PEDV) is a coronavirus which causes severe diarrhea and fatal dehydration in piglets. In general, probiotic supplements could enhance recovery and protect piglets against enteric pathogens. Seven local lactic acid bacteria (LAB), (Ent. faecium 79N and 40N, Lact. plantarum 22F, 25F and 31F, Ped. acidilactici 72N and Ped. pentosaceus 77F) from pig feces were well-characterized as high potential probiotics. Cell-free supernatants (CFS) and live LAB were evaluated for antiviral activities by co-incubation on Vero cells and challenged with a pandemic strain of PEDV isolated from pigs in Thailand...
April 22, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28430934/price-elasticity-of-alcohol-demand-in-india
#5
Santosh Kumar
Aims: Using a household survey conducted in 2014, this study estimates price elasticity of demand (PED) for beer, country liquor and spirits in India. Methods: Ordinary least-square models were used to estimate the responsiveness in alcohol demand due to price change. A large number of control variables were included to adjust for potential confounding in the model. Inter-district variation in alcohol consumption is adjusted for by including district fixed effects...
May 1, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28427972/endovascular-treatment-of-complex-distal-posterior-cerebral-artery-aneurysms-with-the-pipeline-embolization-device
#6
Paul Mazaris, Tapan Mehta, Mohammed Hussain, Violiza Inoa, Justin Singer, Gary Spiegel, Inam Kureshi, Martin Ollenschleger
INTRODUCTION: The purpose of our study is to assess the safety and efficacy of the Pipeline Embolization Device (PED) for endovascular treatment of complex, distal posterior cerebral artery (PCA) aneurysms. METHODS: We conducted a retrospective review of patients who underwent endovascular treatment of complex PCA aneurysms with PED from November 2012 to December 2015. A total of 4 patients were identified and treated. 12 month angiographic and clinical follow-up was available for all patients...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28419398/pre-existing-rpe-atrophy-and-defects-in-the-external-limiting-membrane-predict-early-poor-visual-response-to-ranibizumab-in-neovascular-age-related-macular-degeneration
#7
Souska Zandi, Florian Weisskopf, Justus G Garweg, Isabel B Pfister, Christian Pruente, Florian Sutter, Katja Hatz
BACKGROUND AND OBJECTIVES: The aim of this study was to identify the rate of early visual acuity poor responders in patients with neovascular age-related macular degeneration (AMD) after the first intravitreal injection of ranibizumab (Lucentis; Genentech, South San Francisco, CA) and to determine potential predictors for early response. PATIENTS AND METHODS: Patients with choroidal neovascularization secondary to AMD were evaluated before and 1 month after their first ranibizumab treatment...
April 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28416251/initial-asthma-severity-assessment-tools-as-predictors-of-hospitalization
#8
Natalia Paniagua, Amaia Elosegi, Isabel Duo, Ana Fernandez, Elisa Mojica, Lorea Martinez-Indart, Santiago Mintegi, Javier Benito
BACKGROUND: Assessment tools to classify and prioritize patients, such as systems of triage, and indicators of severity, such as clinical respiratory scores, are helpful in guiding the flow of asthmatic patients in the emergency department. OBJECTIVE: Our aim was to assess the performance of the Pediatric Assessment Triangle (PAT), triage level (TL), Pulmonary Score (PS), and initial O2 saturation (O2 sat), in predicting hospitalization in pediatric acute asthma exacerbations...
April 14, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28404356/physicians-current-use-and-preferences-for-male-hpv-vaccine-related-patient-education-materials
#9
Monica L Kasting, Paige Lake, Susan T Vadaparampil
Understanding physician preferences for educational materials to support male HPV vaccination is critical to improving vaccine uptake. Pediatric (Peds) and Family Medicine (FM) physicians in Florida completed a survey from May-August 2014 assessing current use of male-specific HPV vaccination patient education materials, and preferences for materials to increase HPV vaccination uptake. Peds and FM responses were compared with chi-squared or nonparametric tests. Most participants were FM (53.2%), White (66.6%), non-Hispanic (74...
May 9, 2017: Vaccine
https://www.readbyqxmd.com/read/28402491/matched-comparison-of-flow-diversion-and-coiling-in-small-noncomplex-intracranial-aneurysms
#10
Nohra Chalouhi, Badih Daou, Guilherme Barros, Robert M Starke, Ameet Chitale, George Ghobrial, Richard Dalyai, David Hasan, L Fernando Gonzalez, Stavropoula Tjoumakaris, Robert H Rosenwasser, Pascal Jabbour
BACKGROUND: Flow diversion is typically reserved for large, giant, or morphologically complex aneurysms. Coiling remains a first-line treatment for small, morphologically simple aneurysms. OBJECTIVE: To compare coiling and flow diversion in small, uncomplicated intracranial aneurysms (typically amenable to coiling). METHODS: Forty patients treated with the pipeline embolization device (PED) for small (<10 mm), morphologically simple aneurysms that would have also been amenable to coiling were identified...
April 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28395542/targetting-ped-pea-15-for-diabetes-treatment
#11
Francesca Fiory, Rosa Spinelli, Gregory Alexander Raciti, Luca Parrillo, Vittoria D'Esposito, Pietro Formisano, Claudia Miele, Francesco Beguinot
PED/PEA-15 is an ubiquitously expressed protein, involved in the regulation of proliferation and apoptosis. It is commonly overexpressed in Type 2 Diabetes (T2D) and in different T2D-associated comorbidities, including cancer and certain neurodegenerative disorders. Areas covered: In mice, Ped/Pea-15 overexpression impairs glucose tolerance and, in combination with high fat diets, further promotes insulin resistance and T2D. It also controls β-cell mass, altering caspase-3 activation and the expression of pro- and antiapoptotic genes...
April 11, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28391744/malignant-stroke-in-a-ticagrelor-non-responder-as-a-complication-following-aneurysm-treatment-with-the-pipeline-embolization-device%C3%A2
#12
Pegah Ghamasaee, Kevin Carr, Jeremiah Johnson, Ramesh Grandhi
The Pipeline Embolization Device™ (PED; Covidien Neurovascular Inc, Irvine, CA, USA) is a flow-diverting stent often used for the endovascular treatment of large or giant, wide-necked intracranial aneurysms of the internal carotid artery. Because of the inherent thrombogenicity of intracranial stents, dual-antiplatelet therapy is initiated after placement, which has been shown to decrease morbidity and mortality related to perioperative ischemic events in neurointerventional procedures. However, in some series, as much as 50% of patients demonstrate clopidogrel non-responsiveness...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28382879/frequent-users-of-the-pediatric-emergency-department
#13
Jade Seguin, Esli Osmanlliu, Xun Zhang, Virginie Clavel, Harley Eisman, Robert Rodrigues, Maryam Oskoui
OBJECTIVES: Emergency department (ED) crowding is associated with increased morbidity and mortality. Its etiology is multifactorial, and frequent ED use (defined as more or equal to five visits per year) is a major contributor to high patient volumes. Our primary objective is to characterize the frequent user population. Our secondary objective is to examine risk factors for frequent emergency use. METHODS: We conducted a retrospective cohort study of pediatric emergency department (PED) visits at the Montreal Children's Hospital using the Système Informatique Urgence (SIURGE), electronic medical record database...
April 6, 2017: CJEM
https://www.readbyqxmd.com/read/28378441/physical-activity-to-reduce-fatigue-in-rheumatoid-arthritis-a-randomized-controlled-trial
#14
Patricia Katz, Mary Margaretten, Steven Gregorich, Laura Trupin
OBJECTIVE: Effective treatments for rheumatoid arthritis (RA) fatigue are limited. We tested the effect of a pedometer-based intervention on increasing physical activity and decreasing fatigue among individuals with RA. METHODS: Participants completed baseline questionnaires; had one week of activity monitoring; were randomized to control (education; EDUC), pedometer and step-monitoring diary (PED), or pedometer and diary plus step targets (PED+) groups; and followed for 21 weeks...
April 5, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28374859/influence-of-arginase-polymorphisms-and-arginase-levels-activity-on-the-response-to-erectile-dysfunction-therapy-with-sildenafil
#15
R Lacchini, J J Muniz, Y T D A Nobre, A J Cologna, A C P Martins, J E Tanus-Santos
Arginase 1 (ARG1) and arginase 2 (ARG2) compete with nitric oxide synthases for the substrate l-arginine. Here we aim to assess whether arginase 1 and 2 plasma levels, plasma arginase activity or genetic factors are associated with altered responsiveness to sildenafil. We studied 71 post-prostatectomy erectile dysfunction (ED) patients (PED group) and 72 clinical ED patients (CED). Patients responded to the International Index of Erectile Function questionnaire before and after the treatment. We found positive and negative correlations between plasma levels of arginase 1 and sildenafil responsiveness in the PED and CED groups, respectively...
April 4, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/28368974/good-visual-outcome-at-1-year-in-neovascular-age-related-macular-degeneration-with-pigment-epithelium-detachment-factors-influencing-the-treatment-response
#16
Sophie de Massougnes, Ali Dirani, Irmela Mantel
PURPOSE: To evaluate baseline and treatment factors influencing the response of pigment epithelial detachment (PED) in patients with treatment-naive neovascular age-related macular degeneration after 1 year of intravitreal anti-vascular endothelial growth factor treatment. METHODS: This retrospective consecutive case series study included 104 eyes (94 patients) with treatment-naive neovascular age-related macular degeneration and associated PED >150 μm treated with aflibercept (n = 41) or ranibizumab (n = 63) for at least 1 year...
March 30, 2017: Retina
https://www.readbyqxmd.com/read/28362885/long-term-clinical-and-angiographic-outcomes-following-pipeline-embolization-device-treatment-of-complex-internal-carotid-artery-aneurysms-five-year-results-of-the-pipeline-for-uncoilable-or-failed-aneurysms-trial
#17
Tibor Becske, Waleed Brinjikji, Matthew B Potts, David F Kallmes, Maksim Shapiro, Christopher J Moran, Elad I Levy, Cameron G McDougall, István Szikora, Giuseppe Lanzino, Henry H Woo, Demetrius K Lopes, Adnan H Siddiqui, Felipe C Albuquerque, David J Fiorella, Isil Saatci, Saruhan H Cekirge, Aaron L Berez, Daniel J Cher, Zsolt Berentei, Miklós Marosfoi, Peter K Nelson
BACKGROUND: Early and mid-term safety and efficacy of aneurysm treatment with the Pipeline Embolization Device (PED) has been well demonstrated in prior studies. OBJECTIVE: To present 5-yr follow-up for patients treated in the Pipeline for Uncoilable or Failed Aneurysms clinical trial. METHODS: In our prospective, multicenter trial, 109 complex internal carotid artery (ICA) aneurysms in 107 subjects were treated with the PED. Patients were followed per a standardized protocol at 180 d and 1, 3, and 5 yr...
January 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28360506/current-trends-of-microorganisms-and-their-sensitivity-pattern-in-paediatric-septic-arthritis-a-prospective-study-from-tertiary-care-level-hospital
#18
Girish Motwani, Rujuta Mehta, Alaric Aroojis, Sandeep Vaidya
PURPOSE: Early treatment of septic arthritis is essential before irreversible damage to the articular cartilage occurs. Clinicians often start empirical antibiotic therapy for symptomatic relief while awaiting a definitive culture report. In present day parlance with variations in different centres in the private and public sector and rampant antibiotic abuse, a lot of resistance is being seen in the flora and their sensitivity patterns. Hence it is imperative to document and analyze these changing trends...
January 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28359904/quantum-mechanical-spectroscopic-and-docking-studies-of-2-amino-3-bromo-5-nitropyridine-by-density-functional-method
#19
Christina Susan Abraham, Johanan Christian Prasana, S Muthu
Experimental and theoretical investigations on the molecular structure, electronic and vibrational characteristics of 2-Amino-3-bromo-5-nitropyridine are presented. The vibrational frequencies were obtained by DFT/B3LYP calculations employing 6-311++G (d, p) basis set. This was compared with experimental FT-IR and FT-Raman spectral data. Simulated FT-IR (4000-400cm(-1)) and FT-Raman spectra (4000-100cm(-1)) showed good agreement with the observed spectra. The molecular equilibrium geometry of the title compound was fully optimized...
March 19, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28359875/seasonal-variation-of-brazilian-red-propolis-antibacterial-activity-synergistic-effect-and-phytochemical-screening
#20
Marcos da Silveira Regueira Neto, Saulo Relison Tintino, Ana Raquel Pereira da Silva, Maria do Socorro Costa, Aline Augusti Boligon, Edinardo F F Matias, Valdir de Queiroz Balbino, Irwin R A Menezes, Henrique Douglas Melo Coutinho
The aim of this study was to investigate the effect of the dry and rainy season on the antibacterial activity and chemical composition of the Brazilian red propolis. The samples were collected in rainy (RP-PER) and dry (RP-PED) seasons and analyzed by HPLC-DAD. The extracts were tested alone and in association with antibiotics against Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus. The HPLC analysis identified luteolin and quercetin as the main compounds. Seasonal variation was observed according to concentrations of the compounds...
March 27, 2017: Food and Chemical Toxicology
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