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https://www.readbyqxmd.com/read/28230064/direct-observation-of-intrinsic-twin-domains-in-tetragonal-ch3nh3pbi3
#1
Mathias Uller Rothmann, Wei Li, Ye Zhu, Udo Bach, Leone Spiccia, Joanne Etheridge, Yi-Bing Cheng
Organic-inorganic hybrid perovskites are exciting candidates for next-generation solar cells, with CH3NH3PbI3 being one of the most widely studied. While there have been intense efforts to fabricate and optimize photovoltaic devices using CH3NH3PbI3, critical questions remain regarding the crystal structure that governs its unique properties of the hybrid perovskite material. Here we report unambiguous evidence for crystallographic twin domains in tetragonal CH3NH3PbI3, observed using low-dose transmission electron microscopy and selected area electron diffraction...
February 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28228928/rotating-snakes-illusion-quantitative-analysis-reveals-a-region-in-luminance-space-with-opposite-illusory-rotation
#2
Lea Atala-Gérard, Michael Bach
The Rotating Snakes Illusion employs patterns with repetitive asymmetric luminance steps forming a "snake wheel." In the underlying luminance sequence {black, dark grey, white, light grey}, coded as {0, g1, 100, g2}, we varied g1 and g2 and measured illusion strength via nulling: Saccades were performed next to a "snake wheel" that rotated physically; observers adjusted rotation until a stationary percept obtained. Observers performed the perceptual nulling of the seeming rotation reliably. Typical settings for (g1, g2), measured from images by Kitaoka, are around (20%, 60%)...
January 2017: I-Perception
https://www.readbyqxmd.com/read/28225211/aduc-prizes-carl-duisberg-memorial-prize-for-shigeyoshi-inoue-horst-pracejus-prize-for-thorsten-bach-elisabeth-lutz-prize-for-nuno-maulide
#3
(no author information available yet)
No abstract text is available yet for this article.
February 22, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28223961/a-spanish-validation-of-the-canadian-adolescent-gambling-inventory-cagi
#4
Susana Jiménez-Murcia, Roser Granero, Randy Stinchfield, Joël Tremblay, Amparo Del Pino-Gutiérrez, Laura Moragas, Lamprini G Savvidou, Fernando Fernández-Aranda, Neus Aymamí, Mónica Gómez-Peña, Salomé Tárrega, Katarina Gunnard, Virginia Martín-Romera, Trevor Steward, Gemma Mestre-Bach, José M Menchón
Aims: Large-scale epidemiological studies show a significant prevalence of gambling disorder (GD) during adolescence and emerging adulthood, and highlight the need to identify gambling-related behaviors at early ages. However, there are only a handful of screening instruments for this population and many studies measuring youth gambling problems use adult instruments that may not be developmentally appropriate. The aim of this study was to validate a Spanish version of the Canadian Adolescent Gambling Inventory (CAGI) among late adolescent and young adults and to explore its psychometric properties...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28220657/a-geographic-study-of-west-nile-virus-in-humans-dead-corvids-and-mosquitoes-in-ontario-using-spatial-scan-statistics-with-a-survival-time-application
#5
A L Thomas-Bachli, D L Pearl, O Berke, E J Parmley, I K Barker
Surveillance of West Nile virus (WNv) in Ontario has included passive reporting of human cases and testing of trapped mosquitoes and dead birds found by the public. The dead bird surveillance programme was limited to testing within a public health unit (PHU) until a small number of birds test positive. These dead corvid and mosquito surveillance programmes have not been compared for their ability to provide early warning in geographic areas where human cases occur each year. Spatial scan statistics were applied to time-to-event survival data based on first cases of WNv in found dead corvids, mosquitoes and humans...
February 20, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28215892/feeding-of-waste-milk-to-holstein-calves-affects-antimicrobial-resistance-of-escherichia-coli-and-pasteurella-multocida-isolated-from-fecal-and-nasal-swabs
#6
G Maynou, A Bach, M Terré
The use of milk containing antimicrobial residues in calf feeding programs has been shown to select for resistant fecal Escherichia coli in dairy calves. However, information is scarce about the effects of feeding calves waste milk (WM) on the prevalence of multidrug-resistant bacteria. The objective of this study was to determine the antimicrobial resistance patterns of fecal E. coli and nasal Pasteurella multocida isolates from calves fed either milk replacer (MR) or WM in 8 commercial dairy farms (4 farms per feeding program)...
February 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28215885/robotic-milking-feeding-strategies-and-economic-returns
#7
Alex Bach, Victor Cabrera
Cows in herds equipped with conventional milking parlors follow a structured, consistent, and social milking and feeding routine. Furthermore, in most cases cows in conventional herds receive all their nutrients from a total mixed ration, whereas in herds equipped with robotic or automatic milking systems (AMS) a fraction of their nutrients is provided during milking, mainly as a means to attract cows to the milking system. In this regards, AMS present both a challenge and an opportunity for feeding cows. The main challenge resides in maintaining a minimum and relatively constant milking frequency in AMS...
February 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28213381/outcomes-of-treatment-with-direct-acting-antivirals-for-infection-with-hepatitis-c-virus-genotypes-1-4-in-an-ambulatory-care-setting
#8
Timothy A Bach, Kathy Zaiken
PURPOSE: Outcomes with direct-acting antivirals (DAAs) for the treatment of hepatitis C virus (HCV) genotypes 1-4 were determined. METHODS: A total of 360 patients at 36 clinical sites in Massachusetts with HCV genotypes 1-4 and a prescription for at least one DAA medication between May 2011 and October 2015 were included. The primary investigator completed a retrospective and concurrent chart review, and data were collected through April 2016. RESULTS: A total of 446 patients were assessed for eligibility into the study, with 86 patients excluded...
March 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28210650/research-productivity-of-sports-medicine-fellowship-faculty
#9
Gregory L Cvetanovich, Bryan M Saltzman, Peter N Chalmers, Rachel M Frank, Brian J Cole, Bernard R Bach
BACKGROUND: Research productivity is considered an important factor in academic advancement in sports medicine. No study to date has evaluated academic productivity and correlates of academic rank for sports medicine fellowship faculty. PURPOSE: To describe the academic productivity of American Orthopaedic Society for Sports Medicine (AOSSM) fellowship program faculty and to determine the association between academic productivity, fellowship characteristics, and academic rank...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28208769/localisation-microscopy-of-breast-epithelial-erbb-2-receptors-and-gap-junctions-trafficking-after-%C3%AE-irradiation-neuregulin-1%C3%AE-and-trastuzumab-application
#10
Götz Pilarczyk, Ines Nesnidal, Manuel Gunkel, Margund Bach, Felix Bestvater, Michael Hausmann
In cancer, vulnerable breast epithelium malignance tendency correlates with number and activation of ErbB receptor tyrosine kinases. In the presented work, we observe ErbB receptors activated by irradiation-induced DNA injury or neuregulin- 1 β application, or alternatively, attenuated by a therapeutic antibody using high resolution fluorescence localization microscopy. The gap junction turnover coinciding with ErbB receptor activation and co-transport is simultaneously recorded. DNA injury caused by 4 Gray of 6 MeV photon γ -irradiation or alternatively neuregulin- 1 β application mobilized ErbB receptors in a nucleograde fashion-a process attenuated by trastuzumab antibody application...
February 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28203598/treatment-of-ulnar-collateral-ligament-tears-of-the-elbow-is-repair-a-viable-option
#11
Brandon J Erickson, Bernard R Bach, Nikhil N Verma, Charles A Bush-Joseph, Anthony A Romeo
BACKGROUND: Ulnar collateral ligament (UCL) tears have become common, and UCL reconstruction (UCLR) is currently the preferred surgical treatment method for treating UCL tears. PURPOSE/HYPOTHESIS: The purpose of this study was to review the literature surrounding UCL repair and determine the viability of new repair techniques for treatment of UCL tears. We hypothesized that UCL repair techniques will provide comparable results to UCLR for treatment of UCL tears...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28203262/participatory-epidemiology-the-contribution-of-participatory-research-to-epidemiology
#12
REVIEW
Mario Bach, Susanne Jordan, Susanne Hartung, Claudia Santos-Hövener, Michael T Wright
BACKGROUND: Epidemiology has contributed in many ways to identifying various risk factors for disease and to promoting population health. However, there is a continuing debate about the ability of epidemiology not only to describe, but also to provide results which can be better translated into public health practice. It has been proposed that participatory research approaches be applied to epidemiology as a way to bridge this gap between description and action. A systematic account of what constitutes participatory epidemiology practice has, however, been lacking...
2017: Emerging Themes in Epidemiology
https://www.readbyqxmd.com/read/28203213/high-resolution-audio-with-inaudible-high-frequency-components-induces-a-relaxed-attentional-state-without-conscious-awareness
#13
Ryuma Kuribayashi, Hiroshi Nittono
High-resolution audio has a higher sampling frequency and a greater bit depth than conventional low-resolution audio such as compact disks. The higher sampling frequency enables inaudible sound components (above 20 kHz) that are cut off in low-resolution audio to be reproduced. Previous studies of high-resolution audio have mainly focused on the effect of such high-frequency components. It is known that alpha-band power in a human electroencephalogram (EEG) is larger when the inaudible high-frequency components are present than when they are absent...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28203205/intraocular-pressure-is-a-poor-predictor-of-hydration-status-following-intermittent-exercise-in-the-heat
#14
Ian B Stewart, Brittany Dias, David N Borg, Aaron J E Bach, Beatrix Feigl, Joseph T Costello
Current hydration assessments involve biological fluids that are either compromised in dehydrated individuals or require laboratory equipment, making timely results unfeasible. The eye has been proposed as a potential site to provide a field-based hydration measure. The present study evaluated the efficacy and sensitivity of intraocular pressure (IOP) to assess hydration status. Twelve healthy males undertook two 150 min walking trials in 40°C 20% relative humidity. One trial matched fluid intake to body mass loss (control, CON) and the other had fluid restricted (dehydrated, DEH)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28199405/co-financing-for-viral-load-monitoring-during-the-course-of-antiretroviral-therapy-among-patients-with-hiv-aids-in-vietnam-a-contingent-valuation-survey
#15
Quyen Le Thi Nguyen, Long Hoang Nguyen, Bach Xuan Tran, Huong Thi Thu Phan, Huong Thi Le, Hinh Duc Nguyen, Tho Dinh Tran, Cuong Duy Do, Cuong Manh Nguyen, Vu Thi Minh Thuc, Carl Latkin, Melvyn W B Zhang, Roger C M Ho
BACKGROUND: Viral load testing is considered the gold standard for monitoring HIV treatment; however, given its high cost, some patients cannot afford viral load testing if this testing is not subsidized. Since foreign aid for HIV/AIDS in Vietnam is rapidly decreasing, we sought to assess willingness to pay (WTP) for viral load and CD4 cell count tests among HIV-positive patients, and identified factors that might inform future co-payment schemes. METHODS: A multi-site cross-sectional survey was conducted with 1133 HIV-positive patients on antiretroviral therapy (ART) in Hanoi and Nam Dinh...
2017: PloS One
https://www.readbyqxmd.com/read/28183630/polyvinyl-alcohol-composite-nanofibres-containing-conjugated-levofloxacin-chitosan-for-controlled-drug-release
#16
Javid Jalvandi, Max White, Yuan Gao, Yen Bach Truong, Rajiv Padhye, Ilias Louis Kyratzis
A range of biodegradable drug-nanofibres composite mats have been reported as drug delivery systems. However, their main disadvantage is the rapid release of the drug immediately after application. This paper reports an improved system based on the incorporation of drug conjugated-chitosan into polyvinyl alcohol (PVA) nanofibers. The results showed that controlled release of levofloxacin (LVF) could be achieved by covalently binding LVF to low molecular weight chitosan (CS) via a cleavable amide bond and then blending the conjugated CS with polyvinyl alcohol (PVA) nanofibres prior to electrospinning...
April 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28180915/-nonthrombotic-pulmonary-embolisms
#17
A G Bach, D Schramm, A Surov
The term nonthrombotic pulmonary embolism (NTPE) is defined as embolization of pulmonary arteries caused by foreign bodies (e. g. detached catheter fragments), biological substances (e. g. septic thrombus) or exogenous substances (e. g. gas). The frequency of NTPE is underestimated. Symptoms can cover the spectrum from undetectable to sudden death. In addition to mechanical obstruction of the pulmonary arteries, some NTPEs trigger an inflammatory cascade that causes deterioration of vascular, pulmonary and cardiac function...
February 8, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28178268/influence-of-ocean-acidification-on-plankton-community-structure-during-a-winter-to-summer-succession-an-imaging-approach-indicates-that-copepods-can-benefit-from-elevated-co2-via-indirect-food-web-effects
#18
Jan Taucher, Mathias Haunost, Tim Boxhammer, Lennart T Bach, María Algueró-Muñiz, Ulf Riebesell
Plankton communities play a key role in the marine food web and are expected to be highly sensitive to ongoing environmental change. Oceanic uptake of anthropogenic carbon dioxide (CO2) causes pronounced shifts in marine carbonate chemistry and a decrease in seawater pH. These changes-summarized by the term ocean acidification (OA)-can significantly affect the physiology of planktonic organisms. However, studies on the response of entire plankton communities to OA, which also include indirect effects via food-web interactions, are still relatively rare...
2017: PloS One
https://www.readbyqxmd.com/read/28165711/plasmonic-nanolenses-electrostatic-self-assembly-of-hierarchical-nanoparticle-trimers-and-their-response-to-optical-and-electron-beam-stimuli
#19
Julian A Lloyd, Soon Hock Ng, Amelia C Y Liu, Ye Zhu, Wei Chao, Toon Coenen, Joanne Etheridge, Daniel E Gómez, Udo Bach
Asymmetric nanoparticle trimers composed of particles with increasing diameter act as "plasmonic lenses" and have been predicted to exhibit ultrahigh confinement of electromagnetic energy in the space between the two smallest particles. Here we present an electrostatic self-assembly approach for creating gold nanoparticle trimers with an assembly yield of over 60%. We demonstrate that the trimer assembly leads to characteristic red-shifts and show the localization of the relevant plasmon modes by means of cathodoluminescence and electron energy loss spectroscopy...
February 13, 2017: ACS Nano
https://www.readbyqxmd.com/read/28158851/p27kip1-pcaf-and-pax5-cooperate-in-the-transcriptional-regulation-of-specific-target-genes
#20
Anna Perearnau, Serena Orlando, Abul B M M K Islam, Edurne Gallastegui, Jonatan Martínez, Albert Jordan, Anna Bigas, Rosa Aligué, Maria Jesús Pujol, Oriol Bachs
No abstract text is available yet for this article.
February 3, 2017: Nucleic Acids Research
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