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https://www.readbyqxmd.com/read/29758733/role-of-short-periodic-orbits-in-quantum-maps-with-continuous-openings
#1
Carlos A Prado, Gabriel G Carlo, R M Benito, F Borondo
We apply a recently developed semiclassical theory of short periodic orbits to the continuously open quantum tribaker map. In this paradigmatic system the trajectories are partially bounced back according to continuous reflectivity functions. This is relevant in many situations that include optical microresonators and more complicated boundary conditions. In a perturbative regime, the shortest periodic orbits belonging to the classical repeller of the open map-a cantor set given by a region of exactly zero reflectivity-prove to be extremely robust in supporting a set of long-lived resonances of the continuously open quantum maps...
April 2018: Physical Review. E
https://www.readbyqxmd.com/read/29735526/defects-in-the-neuroendocrine-axis-contribute-to-global-development-delay-in-a-drosophila-model-of-ngly1-deficiency
#2
Tamy Portillo Rodriguez, Joshua D Mast, Tom Hartl, Tom Lee, Peter Sand, Ethan O Perlstein
N-glycanase 1 (NGLY1) Deficiency is a rare monogenic multi-system disorder first described in 2014. NGLY1 is evolutionarily conserved in model organisms. Here we conducted a natural history study and chemical-modifier screen on the Drosophila melanogaster NGLY1 homolog, Pngl. We generated a new fly model of NGLY1 Deficiency, engineered with a nonsense mutation in Pngl at codon 420 that results in a truncation of the C-terminal carbohydrate-binding PAW domain. Homozygous mutant animals exhibit global development delay, pupal lethality and small body size as adults...
May 7, 2018: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/29694054/high-throughput-monitoring-of-single-vesicle-fusion-using-free-standing-membranes-and-automated-analysis
#3
Sathish Kumar Ramakrishnan, Andrea Gohlke, Feng Li, Jeff Coleman, Weiming Xu, James E Rothman, Frederic Pincet
In vivo membrane fusion primarily occurs between highly curved vesicles and planar membranes. A better understanding of fusion entails an accurate in vitro reproduction of the process. To date, supported bilayers have been commonly used to mimic the planar membranes. SNARE proteins, that induce membrane fusion, usually have limited fluidity when embedded in supported bilayers. This alters the kinetics and prevents correct reconstitution of the overall fusion process. Also, observing content release across the membrane is hindered by the lack of second aqueous compartment...
April 25, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29669765/ribavirin-induced-anaemia-reduced-tacrolimus-level-in-a-hepatitis-c-patient-receiving-haemodialysis
#4
Hin-Yee Liu, Catherine Yuen Shan Cheung, Susan Elizabeth Cooper
A 37-year-old man with hepatitis C virus (HCV) genotype 3A developed renal failure. In 2007, the patient received a renal transplant and started receiving tacrolimus (Tac); the transplant subsequently failed. In April 2015, the patient restarted haemodialysis and in May initiated sofosbuvir 400 mg and ribavirin 400 mg daily. Baseline Tac level was 6.6 ng/mL and haemoglobin (Hb) was 10.3 g/dL. The patient then left the country for vacation and Hb was found to be dramatically low at 3.7 g/dL on return on 5 August...
April 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29643461/extending-a-gray-lattice-boltzmann-model-for-simulating-fluid-flow-in-multi-scale-porous-media
#5
Jiujiang Zhu, Jingsheng Ma
A gray lattice Boltzmann model has previously been developed by the authors of this article to simulate fluid flow in porous media that contain both resolved pores and grains as well as aggregates of unresolved smaller pores and grains. In this model, a single parameter is introduced to prescribe the amount of fluid to be bounced back at each aggregate cell. This model has been shown to recover Darcy-Brinkman flow but with effective viscosity and permeability correlated through the model parameter. In this paper, we prove that the model parameter relates to the fraction of the solid phase of a sub-pore system for a specific set of bounce-back conditions...
April 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29629784/implementing-the-bounce-back-trauma-intervention-in-urban-elementary-schools-a-real-world-replication-trial
#6
Catherine DeCarlo Santiago, Tali Raviv, Anna Maria Ros, Stephanie K Brewer, Laura M L Distel, Stephanie A Torres, Anne K Fuller, Krystal M Lewis, Claire A Coyne, Colleen Cicchetti, Audra K Langley
The current study provides the first replication trial of Bounce Back, a school-based intervention for elementary students exposed to trauma, in a different school district and geographical area. Participants in this study were 52 1st through 4th graders (Mage = 7.76 years; 65% male) who were predominately Latino (82%). Schools were randomly assigned to immediate treatment or waitlist control. Differential treatment effects (Time × Group Interaction) were found for child-reported posttraumatic stress disorder (PTSD) and parent-reported child coping, indicating that the immediate treatment group showed greater reductions in PTSD and improvements in coping compared with the delayed group...
March 2018: School Psychology Quarterly
https://www.readbyqxmd.com/read/29615048/measurement-properties-of-the-nepali-version-of-the-connor-davidson-resilience-scales-in-individuals-with-chronic-pain
#7
Saurab Sharma, Anupa Pathak, J Haxby Abbott, Mark P Jensen
BACKGROUND: Resilience is an individual's ability to recover or "bounce back" from stressful events. It is commonly identified as a protective factor against psychological dysfunctions in wide range of clinical conditions including chronic pain. Resilience is commonly assessed using the Connor Davidson Resilience Scale (CD-RISC). Translation and cross-cultural adaptation of the CD-RISC into Nepali will allow for a deeper understanding of resilience as an important domain in health in Nepal, and will allow for cross-cultural comparison with other cultures...
April 3, 2018: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/29595796/swedish-science-bounces-back
#8
Nic Fleming
No abstract text is available yet for this article.
March 29, 2018: Nature
https://www.readbyqxmd.com/read/29574942/the-contribution-of-occupation-to-children-s-experience-of-resilience-a-qualitative-descriptive-study
#9
Linda Bowden, Kirk Reed, Ellen Nicholson
BACKGROUND: This qualitative descriptive study explored what occupations children aged 10-13 years participate in and how participation in occupation contributes to resilience from their perspective. Little is known about how occupations contribute to resilience, and less is known from children's perspectives. Exploring how participation in occupation contributes to resilience is important as children continue to face adverse situations; resilience may help protect their development against uncertainty...
March 25, 2018: Australian Occupational Therapy Journal
https://www.readbyqxmd.com/read/29529780/unfolding-displacement-measurement-method-for-the-aliasing-interferometer-signal-of-a-wavelength-comb-swept-laser
#10
Soo-Kyung Chun, Hansol Jang, Soon-Woo Cho, Nam Su Park, Chang-Seok Kim
We demonstrate an unfolding displacement measurement method to overcome the aliasing problem of wavelength-comb-swept laser (WCSL). Compared to the conventional wavelength-swept laser (WSL), the WCSL exhibits an extended coherence length, owing to the narrowing spectral linewidth of the etalon filter. However, the aliasing interference signal induces an unexpected back-bounced phenomenon during displacement measurement because of the discretely distributed comb-like periodic spectra of the etalon filter. By using the dual-reference interferometry method, the back-bounced displacement measurement can be successfully unfolded to extend the measurement range by two times...
March 5, 2018: Optics Express
https://www.readbyqxmd.com/read/29510056/why-drops-bounce-on-smooth-surfaces
#11
Rafael Tadmor, Sakshi B Yadav, Semih Gulec, Aisha Leh, Lan Dang, Hartmann E N'guessan, Ratul Das, Mireille Turmine, Maria Tadmor
It is shown that introducing gravity in the energy minimization of drops on surfaces results in different expressions when minimized with respect to volume or with respect to contact angle. This phenomenon correlates with the probability of drops to bounce on smooth surfaces on which they otherwise form a very small contact angle or wet them completely. Theoretically, none of the two minima is stable: the drop should oscillate from one minimum to the other as long as no other force or friction will dissipate the energy...
April 17, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29461551/aggregation-of-polyethylene-glycol-polymers-suppresses-receptor-mediated-endocytosis-of-pegylated-liposomes
#12
Zhiqiang Shen, Huilin Ye, Martin Kröger, Ying Li
The PEGylated liposome, composed of an aqueous core and a fluid state lipid bilayer shell, is one of the few Food and Drug Administration (FDA) approved drug delivery platforms. To prevent the absorption of serum proteins, the surface of a liposome is decorated by hydrophilic and bio-compatible polyethylene glycol (PEG) polymers, which can significantly extend the blood circulation time of liposomes. In this work, with the help of dissipative particle dynamics (DPD) simulations, we explore how the tethered PEG polymers will affect the membrane wrapping process of PEGylated liposomes during endocytosis...
March 1, 2018: Nanoscale
https://www.readbyqxmd.com/read/29454508/the-has-choice-study-utilizing-the-heart-score-an-adp-and-shared-decision-making-to-decrease-admissions-in-chest-pain-patients
#13
Gregory Gafni-Pappas, Susanne D DeMeester, Michael A Boyd, Arun Ganti, Adam M Nicholson, Jeremy Albright, Juan Wu
OBJECTIVE: The HAS-Choice pathway utilizes the HEART Score, an accelerated diagnostic protocol (ADP), and shared decision-making using a visual aid in the evaluation of chest pain patients. We seek to determine if our intervention can improve resource utilization in a community emergency department (ED) setting while maintaining safe patient care. METHODS: This was a single-center prospective cohort study with historical that included ED patients ≥21years old presenting with a primary complaint of chest pain in two time periods...
February 8, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29359943/bouncing-to-merging-transition-in-drop-impact-on-liquid-film-role-of-liquid-viscosity
#14
Xiaoyu Tang, Abhishek Saha, Chung K Law, Chao Sun
When a drop impacts on a liquid surface, it can either bounce back or merge with the surface. The outcome affects many industrial processes, in which merging is preferred in spray coating to generate a uniform layer and bouncing is desired in internal combustion engines to prevent accumulation of the fuel drop on the wall. Thus, a good understanding of how to control the impact outcome is highly demanded to optimize the performance. For a given liquid, a regime diagram of bouncing and merging outcomes can be mapped in the space of Weber number (ratio of impact inertia and surface tension) versus film thickness...
February 27, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29307042/interpretations-of-resilience-and-change-and-the-catalytic-roles-of-media-a-case-of-canadian-daily-newspaper-discourse-on-natural-disasters
#15
Mahed-Ul-Islam Choudhury, C Emdad Haque
The varied interpretations of the concept of resilience in natural hazards research literature has attracted numerous criticisms. A common criticism centers around a poor understanding of the changes caused by natural disasters by the research stream. Considering resilience as a metaphor of change, and newspaper as a catalyst that often highlights post-disaster opportunities for "forward looking" (rather than bouncing back) changes, we examined some specific aspects of change in Canadian communities by analyzing coverage of natural disasters in daily newspapers...
February 2018: Environmental Management
https://www.readbyqxmd.com/read/29280421/theory-and-metrics-of-community-resilience-a-systematic-literature-review-based-on-public-health-guidelines
#16
Lucila M Zamboni
A systematic literature review on quantitative methods to assess community resilience was conducted following Institute of Medicine and Patient-Centered Outcomes Research Institute standards. Community resilience is the ability of a community to bounce back or return to normal after a disaster strikes, yet there is no agreement on what this actually means. All studies reviewed addressed natural disasters, but the methodological approaches can be applied to technological disasters, epidemics, and terrorist attacks...
December 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/29227159/moving-on-from-adversity-an-understanding-of-resilience-in-rural-thai-older-people
#17
Wilaiwan Pathike, Anthony Paul O'Brien, Sharyn Hunter
OBJECTIVE: This study explored the concept of resilience in rural Thai older people. METHOD: The study was exploratory and descriptive in design. Ethnographic fieldwork was undertaken in four rural Thai communities. Non-participant observation (340 h) and 35 semi-structured interviews with older people enabled the collection of qualitative data. Nvivo 10 was used to collate and organise the qualitative data. Data analysis was conducted thematically. RESULTS: One major core theme and five qualitative sub-themes emerged from the data related to the theoretical construct of rural Thai elders' resilience...
December 11, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/29217007/the-transcatheter-aortic-valve-replacement-bounce-back-does-it-matter-what-can-be-done
#18
EDITORIAL
George S Hanzel
No abstract text is available yet for this article.
December 11, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29211818/susceptibility-to-alcohol-hangovers-not-just-a-matter-of-being-resilient
#19
Marith van Schrojenstein Lantman, Aurora J A E van de Loo, Marlou Mackus, Aletta D Kraneveld, Karel A Brookhuis, Johan Garssen, Joris C Verster
Introduction: Although most drinkers have experienced a hangover the day following heavy alcohol consumption, a minority claims to be hangover resistant despite consuming the same large quantities of alcohol as those reporting alcohol hangover. The aim of the current study was to examine if susceptibility to experiencing hangovers is related to a drinker's interpretation of wellbeing and psychological assets to bounce back. Methods: A survey was conducted among 2295 Dutch students assessing their past month alcohol consumption patterns, and measuring mental resilience and wellbeing...
December 4, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/29207283/division-of-labor-as-an-emergent-phenomenon-of-social-coordination-the-example-of-playing-doubles-pong
#20
Niek H Benerink, Frank T J M Zaal, Remy Casanova, Nathalie Bonnardel, Reinoud J Bootsma
In many daily situations, our behavior is coordinated with that of others. This study investigated this coordination in a doubles-pong task. In this task, two participants each controlled a paddle that could move laterally near the bottom of a shared computer screen. With their paddles, the players needed to block balls that moved down under an angle. In doing so, they needed to make sure that their paddles did not collide. A successful interception led to the ball bouncing back upwards. Importantly, all communication other than through vision of the shared screen was excluded...
February 2018: Human Movement Science
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