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https://www.readbyqxmd.com/read/28551490/synthesis-and-stimulated-luminescence-property-of-zn-bo2-2-tb-3
#1
G Cedillo Del Rosario, E Cruz-Zaragoza, M García Hipólito, J Marcazzó, J M Hernández A, H Murrieta S
Zinc borate, Zn(BO2)2, doped with different concentrations of terbium (0.5-8mol%) was synthesized and polycrystalline samples were characterized by Scanning Electron Microscopy and X-Ray Diffraction. The Zn(BO2)2 was formed in the pure samples sintered at 750 and 800°C which has the body centered cubic structure, and a ZnB4O7 primitive orthorhombic phase was present. The thermoluminescent intensity was dependents on the thermal treatment (250-500°C) and also on the impurity concentration. The linear dose-response was obtained between 0...
May 24, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28551200/factors-associated-with-indigenous-youths-abstinence-from-drinking
#2
Kelley J Sittner
The proportion of youth who abstain from alcohol use decreases during adolescence but little attention has focused on factors associated with abstinence. No research has examined this question for Indigenous youth, many of whom live in communities experiencing high rates of alcohol-related health problems. Using data from a longitudinal study of Indigenous youth (n = 649, ages 10-17 years) in the U.S. and Canada, the current study investigates factors associated promoting or decreasing abstaining from alcohol use...
May 23, 2017: Journal of Adolescence
https://www.readbyqxmd.com/read/28551059/-post-operative-pain-after-ultrasound-transversus-abdominis-plane-block-versus-trocar-site-infiltration-in-laparoscopic-nephrectomy-a-prospective-study
#3
Ana M Araújo, Joana Guimarães, Catarina S Nunes, Paula S Couto, Eduarda Amadeu
BACKGROUND: Transversus abdominis plane (TAP) block is useful in reducing post-operative pain in laparoscopic nephrectomy compared to placebo. The purpose of this work is to compare post-operative pain and recovery after TAP block or trocar site infiltration (TSI) in this surgery. METHODS: A prospective, single blinded study on patients scheduled for laparoscopic nephrectomy. Patients were assigned to two groups: TSI Group: trocar site infiltration at the end of surgery; TAP Group: unilateral ultrasound-guided TAP block after induction...
May 24, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28551004/surrogate-health-information-seeking-in-europe-influence-of-source-type-and-social-network-variables
#4
Doreen Reifegerste, Marko Bachl, Eva Baumann
OBJECTIVES: Health information seeking on behalf of others is an important form of social support by which laypeople provide important sources of information for patients. Based on social network theory, we analyze whether this phenomenon also occurs in offline sources. We also seek to learn more about the type of relationships between information seekers and patients, as research to date indicates that surrogate seeking mostly occurs in close relationships between the seeker and the patient...
July 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/28550811/influence-of-solids-residence-time-and-carbon-storage-on-nitrogen-and-phosphorus-recovery-by-microalgae-across-diel-cycles
#5
D A Gardner-Dale, I M Bradley, J S Guest
Microalgal treatment systems could advance nutrient recovery from wastewater by achieving effluent nitrogen (N) and phosphorus (P) levels below the current limit of technology, but their successful implementation requires an understanding of how design decisions influence nutrient uptake over daily (i.e., diel) cycles. This work demonstrates the ability to influence microalgal N:P recovery ratio via solids residence time (SRT) while maintaining complete nutrient removal across day/night cycles through carbon storage and mobilization...
May 18, 2017: Water Research
https://www.readbyqxmd.com/read/28550375/exploring-inductive-linearization-for-pharmacokinetic-pharmacodynamic-systems-of-nonlinear-ordinary-differential-equations
#6
Chihiro Hasegawa, Stephen B Duffull
Pharmacokinetic-pharmacodynamic systems are often expressed with nonlinear ordinary differential equations (ODEs). While there are numerous methods to solve such ODEs these methods generally rely on time-stepping solutions (e.g. Runge-Kutta) which need to be matched to the characteristics of the problem at hand. The primary aim of this study was to explore the performance of an inductive approximation which iteratively converts nonlinear ODEs to linear time-varying systems which can then be solved algebraically or numerically...
May 26, 2017: Journal of Pharmacokinetics and Pharmacodynamics
https://www.readbyqxmd.com/read/28549943/do-heat-and-moisture-exchangers-in-the-anaesthesia-breathing-circuit-preserve-body-temperature-in-dogs-undergoing-anaesthesia-for-magnetic-resonance-imaging
#7
Latifa Khenissi, Gwen Covey-Crump, Toby G Knowles, Joanna Murrell
OBJECTIVE: To investigate whether the use of a heat and moisture exchanger (HME) preserves body temperature in dogs weighing <10 kg anaesthetised for magnetic resonance imaging (MRI). STUDY DESIGN: Prospective, randomised, clinical trial. ANIMALS: Thirty-one client-owned dogs. METHODS: Dogs were assigned randomly to a treatment group [HME (n = 16) or no HME (n = 15)]. Dogs were pseudorandomised according to the premedication they were administered, either dexmedetomidine or no dexmedetomidine...
March 6, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28549516/visual-acuity-change-over-12-months-in-the-prospective-progression-of-atrophy-secondary-to-stargardt-disease-progstar-study-progstar-report-number-6
#8
Xiangrong Kong, Rupert W Strauss, Artur V Cideciyan, Michel Michaelides, José-Alain Sahel, Beatriz Munoz, Mohamed Ahmed, Ann M Ervin, Sheila K West, Janet K Cheetham, Hendrik P N Scholl
PURPOSE: To estimate the yearly rate of change of best-corrected visual acuity (BCVA) and the risk of loss 1 line or more over 1 year and to identify risk factors for BCVA loss in patients with Stargardt disease (STGD1). DESIGN: Multicenter, prospective cohort study. PARTICIPANTS: Two hundred fifty-nine patients (489 eyes) with molecularly confirmed STGD1 enrolled at 9 centers in the United States and Europe. METHODS: Participants were followed up every 6 months, and data at the baseline and 6- and 12-month visits were analyzed...
May 23, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28549395/utility-and-clinical-profile-of-dexmedetomidine-in-pediatric-cardiac-catheterization-procedures-a-matched-controlled-analysis
#9
Ricardo Riveros, Natalya Makarova, Efrain Riveros-Perez, Praneeta Chodavarapu, Wael Saasouh, Hüseyin Oğuz Yılmaz, Evis Cuko, Rovnat Babazade, Stephen Kimatian, Alparslan Turan
BACKGROUND: Dexmedetomidine is increasingly used in children undergoing cardiac catheterization procedures. We compared the percentage of surgical time with hemodynamic instability and the incidence of postoperative agitation between pediatric cardiac catheterization patients who received dexmedetomidine infusion and those who did not and the incidence of postoperative agitation. MATERIALS AND METHODS: We matched 653 pediatric patients scheduled for cardiac catheterization...
May 1, 2017: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28548920/evaluation-of-biofidelity-of-thums-pedestrian-model-under-a-whole-body-impact-conditions-with-a-generic-sedan-buck
#10
Taotao Wu, Taewung Kim, Varun Bollapragada, David Poulard, Huipeng Chen, Matthew B Panzer, Jason L Forman, Jeff R Crandall, Bengt Pipkorn
OBJECTIVE: The goal of this study was to evaluate the biofidelity of the Total Human Model for Safety (THUMS; Ver. 4.01) pedestrian finite element models (PFEM) in a whole-body pedestrian impact condition using a well-characterized generic pedestrian buck model. METHODS: The biofidelity of THUMS PFEM was evaluated with respect to data from 3 full-scale postmortem human subject (PMHS) pedestrian impact tests, in which a pedestrian buck laterally struck the subjects using a pedestrian buck at 40 km/h...
May 29, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28548454/corema-album-unbiased-dioecy-in-a-competitive-environment
#11
Ana Martins, Helena Freitas, Sofia Costa
1.Corema album is a dioecious coastal shrub. Dioecious plants growing in these resource-limited habitats may present spatial segregation of the sexes (SSS) or demographic biases because of the different reproductive effort between sexes. In these environments facilitation is a more common interaction between plants than competition. To assess factors determining the distribution of C. album male and female plants, we investigated the influence of habitat type (sand dunes and coastal woodlands), assessed the occurrence of SSS or demographic biases, and also a possible role of these shrubs as nurse plants...
May 26, 2017: Plant Biology
https://www.readbyqxmd.com/read/28547724/costs-associated-with-community-acquired-pneumonia-in-france
#12
Grèce Saba, Luiz Flavio Andrade, Jacques Gaillat, Pierre Bonnin, Christian Chidiac, Hajnal-Gabriela Illes, Henri Laurichesse, Jonathan Messika, Jean-Damien Ricard, Bruno Detournay, Patrick Petitpretz, Gérard de Pouvourville
OBJECTIVES: Pneumocost is a prospective study that aimed at documenting the costs of the management of patients hospitalized with a pneumococcal pneumonia and the post-discharge costs during a 6-month period in the French context. METHODS: Billing data were used to document hospital costs. Resource use during the follow-up period was collected through phone interviews at month 1, 3 and 6. Descriptive statistics and multivariate analyses were performed. We used generalized linear models with log-link functions to estimate parameters associated with hospital and follow-up costs of patients...
May 25, 2017: European Journal of Health Economics: HEPAC: Health Economics in Prevention and Care
https://www.readbyqxmd.com/read/28546786/the-association-between-higher-nurse-staffing-standards-in-the-fee-schedules-and-the-geographic-distribution-of-hospital-nurses-a-cross-sectional-study-using-nationwide-administrative-data
#13
Noriko Morioka, Jun Tomio, Toshikazu Seto, Yasuki Kobayashi
BACKGROUND: In Japan, the revision of the fee schedules in 2006 introduced a new category of general care ward for more advanced care, with a higher staffing standard, a patient-to-nurse ratio of 7:1. Previous studies have suggested that these changes worsened inequalities in the geographic distribution of nurses, but there have been few quantitative studies evaluating this effect. This study aimed to investigate the association between the distribution of 7:1 beds and the geographic distribution of hospital nursing staffs...
2017: BMC Nursing
https://www.readbyqxmd.com/read/28546249/jugular-anomalies-in-multiple-sclerosis-are-associated-with-increased-collateral-venous-flow
#14
S K Sethi, A M Daugherty, G Gadda, D T Utriainen, J Jiang, N Raz, E M Haacke
BACKGROUND AND PURPOSE: To date, research on extracranial venous collaterals has been focused on structure, with relatively little attention paid to hemodynamics. We addressed this limitation by quantitatively comparing collateral flow in patients with multiple sclerosis and healthy controls by using phase-contrast MR imaging. We hypothesize that patients with MS with structurally anomalous internal jugular veins will have elevated collateral venous flow compared with healthy controls...
May 25, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28545794/the-natural-history-of-sleep-disturbance-among-oef-oif-veterans-with-tbi-and-ptsd-and-the-role-of-proxy-variables-in-its-measurement
#15
Paul R King, Kerry T Donnelly, Gary Warner, Michael Wade, Wilfred R Pigeon
OBJECTIVE: Sleep disturbance crosscuts post-traumatic stress disorder (PTSD) and traumatic brain injury (TBI). Though previous cross-sectional findings demonstrate a compounding effect of PTSD and TBI comorbidity, relatively little is known about the longitudinal trajectory of sleep-related complaints in veterans with TBI history and current PTSD symptoms. In this study, we explored patterns and predictors of sleep complaints in a sample of combat veterans with and without TBI and PTSD...
May 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28545595/modelling-the-influence-of-climate-on-malaria-occurrence-in-chimoio-municipality-mozambique
#16
João Luís Ferrão, Jorge M Mendes, Marco Painho
BACKGROUND: Mozambique was recently ranked fifth in the African continent for the number of cases of malaria. In Chimoio municipality cases of malaria are increasing annually, contrary to the decreasing trend in Africa. As malaria transmission is influenced to a large extent by climatic conditions, modelling this relationship can provide useful insights for designing precision health measures for malaria control. There is a scarcity of information on the association between climatic variability and malaria transmission risk in Mozambique in general, and in Chimoio in particular...
May 25, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28545572/intensive-case-management-for-addiction-to-promote-engagement-with-care-of-people-with-severe-mental-and-substance-use-disorders-an-observational-study
#17
Stéphane Morandi, Benedetta Silva, Philippe Golay, Charles Bonsack
BACKGROUND: Co-occurring severe mental and substance use disorders are associated with physical, psychological and social complications such as homelessness and unemployment. People with severe mental and substance use disorders are difficult to engage with care. The lack of treatment worsens their health and social conditions and increases treatment costs, as emergency department visits arise. Case management has proved to be effective in promoting engagement with care of people with severe mental and substance use disorders...
May 25, 2017: Substance Abuse Treatment, Prevention, and Policy
https://www.readbyqxmd.com/read/28545417/community-level-characteristics-and-environmental-factors-of-child-respiratory-illnesses-in-southern-arizona
#18
Nathan Lothrop, Khaleel Hussaini, Dean Billheimer, Paloma Beamer
BACKGROUND: Lower respiratory illnesses (LRIs) and asthma are common diseases in children <5 years of age. Few studies have investigated the relationships between multiple, home-based social and environmental risk factors and asthma and LRIs in children. Of those that have, none have focused exclusively on children <5 years of age, who are more physiologically vulnerable and spend more time at home compared to older children. Further, no studies have done so at the community level...
May 25, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28545173/comparison-of-short-term-complications-of-general-and-spinal-anesthesia-for-primary-unilateral-total-knee-arthroplasty
#19
Yong Bok Park, Won Seok Chae, Sin Hyung Park, Ji Soo Yu, Sun Geun Lee, Soo Jae Yim
Purpose: To compare the occurrences of perioperative complications of two anesthetic techniques (general anesthesia [GA] and spinal anesthesia [SA] in patients undergoing primary unilateral total knee arthroplasty (TKA). Materials and Methods: Patients who underwent unilateral primary TKA due to osteoarthritis from January 2005 to January 2014 were retrospectively reviewed. They were divided into two groups: GA (n=490) and SA (n=746). The operation duration, length of perioperative stay in the operation room and occurrences of adverse events in postoperative 30 days (mean, 29...
June 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28545074/influence-of-distance-between-residence-and-health-facilities-on-non-communicable-diseases-an-assessment-over-hypertension-and-diabetes-in-bangladesh
#20
Raaj Kishore Biswas, Enamul Kabir
OBJECTIVE: This paper reflected on the prevalence of hypertension and diabetes in Bangladesh, which is spreading rapidly in low-income countries. The rationale of constructing more health centers for addressing NCDs was assessed in this paper by determining the relationship between prevalence of NCDs, particularly hypertension and diabetes, and distance to health facilities. METHODS: From BDHS (Bangladesh Health and Demographic Survey) 2011 data set, 7544 samples were analyzed to demonstrate association between Non-communicable diseases (NCD) and distance from respondents' home to health facilities like hospitals, community clinics, pharmacies or doctors' chambers, and community facilities like market, post office or cinema hall...
2017: PloS One
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