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https://www.readbyqxmd.com/read/28549476/comparing-motivational-self-regulatory-and-habitual-processes-in-a-computer-tailored-physical-activity-intervention-in-hospital-employees-protocol-for-the-paths-randomised-controlled-trial
#1
Dominika Kwasnicka, Corneel Vandelanotte, Amanda Rebar, Benjamin Gardner, Camille Short, Mitch Duncan, Dawn Crook, Martin S Hagger
BACKGROUND: Most people do not engage in sufficient physical activity to confer health benefits and to reduce risk of chronic disease. Healthcare professionals frequently provide guidance on physical activity, but often do not meet guideline levels of physical activity themselves. The main objective of this study is to develop and test the efficacy of a tailored intervention to increase healthcare professionals' physical activity participation and quality of life, and to reduce work-related stress and absenteeism...
May 26, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28548081/highly-indistinguishable-and-strongly-entangled-photons-from-symmetric-gaas-quantum-dots
#2
Daniel Huber, Marcus Reindl, Yongheng Huo, Huiying Huang, Johannes S Wildmann, Oliver G Schmidt, Armando Rastelli, Rinaldo Trotta
The development of scalable sources of non-classical light is fundamental to unlocking the technological potential of quantum photonics. Semiconductor quantum dots are emerging as near-optimal sources of indistinguishable single photons. However, their performance as sources of entangled-photon pairs are still modest compared to parametric down converters. Photons emitted from conventional Stranski-Krastanov InGaAs quantum dots have shown non-optimal levels of entanglement and indistinguishability. For quantum networks, both criteria must be met simultaneously...
May 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28546176/high-fidelity
#3
Joseph Henrich
No abstract text is available yet for this article.
May 26, 2017: Science
https://www.readbyqxmd.com/read/28545492/non-participants-in-policy-efforts-to-promote-evidence-based-practices-in-a-large-behavioral-health-system
#4
Rebecca E Stewart, Danielle R Adams, David S Mandell, Gayatri Nangia, Lauren Shaffer, Arthur C Evans, Ronnie Rubin, Shawna Weaver, Trevor R Hadley, Rinad S Beidas
BACKGROUND: System-wide training initiatives to support and implement evidence-based practices (EBPs) in behavioral health systems have become increasingly widespread. Understanding more about organizations who do not participate in EBP training initiatives is a critical piece of the dissemination and implementation puzzle if we endeavor to increase access in community settings. METHODS: We conducted 30 1-h semi-structured interviews with leaders in non-participating agencies who did not formally participate in system-wide training initiatives to implement EBPs in the City of Philadelphia, with the goal to understand why they did not participate...
May 25, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/28545255/frozen-accident-pushing-50-stereochemistry-expansion-and-chance-in-the-evolution-of-the-genetic-code
#5
Eugene V Koonin
Nearly 50 years ago, Francis Crick propounded the frozen accident scenario for the evolution of the genetic code along with the hypothesis that the early translation system consisted primarily of RNA. Under the frozen accident perspective, the code is universal among modern life forms because any change in codon assignment would be highly deleterious. The frozen accident can be considered the default theory of code evolution because it does not imply any specific interactions between amino acids and the cognate codons or anticodons, or any particular properties of the code...
May 23, 2017: Life
https://www.readbyqxmd.com/read/28544506/photocatalytic-nanosheet-lithography-a-new-concept-for-photolithography-based-on-organically-modified-photoactive-2d-nanosheets
#6
Pirmin Ganter, Bettina Valeska Lotsch
Harvesting the properties of nanosheets is not only crucial from a fundamental perspective, but also for the development of novel functional devices based on 2D nanosheets. Here, we demonstrate the processing of organically modified TBAxH1-xCa2Nb3O10 nanosheets into photonic thin films and study their colorimetric sensing properties in response to various aqueous and organic solvent vapors. Building on the enhanced solvent accessibility of TBA-containing nanosheets and their photocatalytic activity under UV irradiation, we develop a new concept for photocatalytic lithography using TBAxH1-xCa2Nb3O10 nanosheets as a negative photoresist to obtain high-fidelity micron-scale patterns of robust inorganic nanosheets...
May 24, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28544306/high-fidelity-narcissistic-self-sorting-in-the-synthesis-of-organometallic-assemblies-from-poly-nhc-ligands
#7
Narayan Sinha, Tristan T Y Tan, Eduardo Peris, F Ekkehardt Hahn
Highly selective, narcissistic self-sorting has been observed in the one-pot synthesis of three organometallic molecular cylinders of type [M3 {L-(NHC)3 }2 ](PF6 )3 (M=Ag(+) , Au(+) ; L=1,3,5-benzene, triphenylamine, or 1,3,5-triphenylbenzene) from L-(NHC)3 and silver(I) or gold(I) ions. The molecular cylinders contain only one type of tris-NHC ligand with no crossover products detectable. Transmetalation of the tris-NHC ligands from Ag(+) to Au(+) in a one-pot reaction with retention of the supramolecular structures is also demonstrated...
May 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28544108/elevated-intrathoracic-co2-pressure-during-thoracoscopic-surgery-decreases-regional-cerebral-oxygen-saturation-in-neonates-and-infants-a-pilot-study
#8
Felix Neunhoeffer, Steven W Warmann, Michael Hofbeck, Alisa Müller, Frank Fideler, Guido Seitz, Martin U Schuhmann, Hans-Joachim Kirschner, Matthias Kumpf, Jörg Fuchs
BACKGROUND: Intraoperative hypercapnia and acidosis are risk factors during thoracoscopy in neonates and infants. METHODS: In a prospective pilot study, we evaluated the effects of thoracoscopy in neonates and infants on cerebral microcirculation, oxygen saturation, and oxygen consumption. Regional cerebral oxygen saturation and blood flow were measured noninvasively using a new device combining laser Doppler flowmetry and white light spectrometry. Additionally, cerebral fractional tissue oxygen extraction and approximated oxygen consumption were calculated...
May 24, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28543173/a-clinical-review-of-communication-training-for-haematologists-and-haemato-oncologists-a-case-of-art-versus-science
#9
REVIEW
Deborah Christie, Sarah Glew
The art of communication at times seems at odds with the science of medicine. Poor communication is associated with risks for patient and physician. Communication skills are highly relevant for haematologists and are associated with increased physician and patient satisfaction, positive psychosocial outcomes and possible health outcomes. Medical communication training has recently become widespread but is largely restricted to junior medical professionals. In haematology, the proliferation of high quality communication skills is low and there are few interventions catering for the required skillset...
May 22, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28542595/antifungal-tc17-cells-are-durable-and-stable-persisting-as-long-lasting-vaccine-memory-without-plasticity-towards-ifn%C3%AE-cells
#10
Som Gowda Nanjappa, Andrew J McDermott, J Scott Fites, Kevin Galles, Marcel Wüthrich, George S Deepe, Bruce S Klein
Our understanding of persistence and plasticity of IL-17A+ memory T cells is clouded by conflicting results in models analyzing T helper 17 cells. We studied memory IL-17A+ CD8+ T-cell (Tc17) homeostasis, persistence and plasticity during fungal vaccine immunity. We report that vaccine-induced memory Tc17 cells persist with high fidelity to the type 17 phenotype. Tc17 cells persisted durably for a year as functional IL-17A+ memory cells without converting to IFNγ+ (Tc1) cells, although they produced multiple type I cytokines in the absence of residual vaccine antigen...
May 22, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28542562/identification-and-characteristics-of-extracellular-vesicles-from-bovine-blastocysts-produced-in-vitro
#11
Edwin A Mellisho, Alejandra E Velásquez, María J Nuñez, Joel G Cabezas, Juan A Cueto, Claudio Fader, Fidel O Castro, Lleretny Rodríguez-Álvarez
Extracellular vesicles (EVs) have been identified within different body fluids and cell culture media. However, there is very little information on the secretion of these vesicles during early embryonic development. The aims of this work were first to demonstrate the secretion of extracellular vesicles by pre-implantation bovine embryos and second to identify and characterize the population of EVs secreted by bovine blastocysts during the period from day seven to nine of embryo culture and its correlation with further embryo development up to day 11...
2017: PloS One
https://www.readbyqxmd.com/read/28541389/cell-cycle-dependent-control-of-homologous-recombination
#12
Xin Zhao, Chengwen Wei, Jingjing Li, Poyuan Xing, Jingyao Li, Sihao Zheng, Xuefeng Chen
DNA double-strand breaks (DSBs) are among the most deleterious type of DNA lesions threatening genome integrity. Homologous recombination (HR) and non-homologous end joining (NHEJ) are two major pathways to repair DSBs. HR requires a homologous template to direct DNA repair, and is generally recognized as a high-fidelity pathway. In contrast, NHEJ directly seals broken ends, but the repair product is often accompanied by sequence alterations. The choice of repair pathways is strictly controlled by the cell cycle...
May 25, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28541178/simulated-mortality-we-can-do-more
#13
Andrew T Goldberg, Benjamin J Heller, Jesse Hochkeppel, Adam I Levine, Samuel Demaria
High-fidelity simulation (HFS) is a relatively new teaching modality, which is gaining widespread acceptance in medical education. To date, dozens of studies have proven the usefulness of HFS in improving student, resident, and attending physician performance, with similar results in the allied health fields. Although many studies have analyzed the utility of simulation, few have investigated why it works. A recent study illustrated that permissive failure, leading to simulated mortality, is one HFS method that can improve long-term performance...
July 2017: Cambridge Quarterly of Healthcare Ethics: CQ: the International Journal of Healthcare Ethics Committees
https://www.readbyqxmd.com/read/28540134/assessment-of-google-glass-as-an-adjunct-in-neurological-surgery
#14
Ronald Sahyouni, Omid Moshtaghi, Diem Kieu Tran, Sean Kaloostian, Ramin Rajaii, David Bustillo, Jefferson W Chen
BACKGROUND: We assess Google Glass ("Glass") in improving postoperative review ("debriefing") and augmenting education in Neurological Surgery at a tertiary academic medical center. METHODS: This was a prospective study. Participants were patients of Neurological Surgery physicians at a Tertiary Care Level 1 Academic Trauma Center. Resident physicians received a pre-questionnaire immediately following surgery. Next, the resident and attending physicians debriefed by reviewing the Glass operative recording...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28539611/an-episomal-vector-based-crispr-cas9-system-for-highly-efficient-gene-knockout-in-human-pluripotent-stem-cells
#15
Yifang Xie, Daqi Wang, Feng Lan, Gang Wei, Ting Ni, Renjie Chai, Dong Liu, Shijun Hu, Mingqing Li, Dajin Li, Hongyan Wang, Yongming Wang
Human pluripotent stem cells (hPSCs) represent a unique opportunity for understanding the molecular mechanisms underlying complex traits and diseases. CRISPR/Cas9 is a powerful tool to introduce genetic mutations into the hPSCs for loss-of-function studies. Here, we developed an episomal vector-based CRISPR/Cas9 system, which we called epiCRISPR, for highly efficient gene knockout in hPSCs. The epiCRISPR system enables generation of up to 100% Insertion/Deletion (indel) rates. In addition, the epiCRISPR system enables efficient double-gene knockout and genomic deletion...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28538983/assocation-of-a-surgical-task-during-training-with-team-skill-acquisition-among-surgical-residents-the-missing-piece-in-multidisciplinary-team-training
#16
Jessica L Sparks, Dustin L Crouch, Kathryn Sobba, Douglas Evans, Jing Zhang, James E Johnson, Ian Saunders, John Thomas, Sarah Bodin, Ashley Tonidandel, Jeff Carter, Carl Westcott, R Shayn Martin, Amy Hildreth
Importance: The human patient simulators that are currently used in multidisciplinary operating room team training scenarios cannot simulate surgical tasks because they lack a realistic surgical anatomy. Thus, they eliminate the surgeon's primary task in the operating room. The surgical trainee is presented with a significant barrier when he or she attempts to suspend disbelief and engage in the scenario. Objective: To develop and test a simulation-based operating room team training strategy that challenges the communication abilities and teamwork competencies of surgeons while they are engaged in realistic operative maneuvers...
May 24, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28538735/ensemble-cryo-em-elucidates-the-mechanism-of-translation-fidelity
#17
Anna B Loveland, Gabriel Demo, Nikolaus Grigorieff, Andrei A Korostelev
Gene translation depends on accurate decoding of mRNA, the structural mechanism of which remains poorly understood. Ribosomes decode mRNA codons by selecting cognate aminoacyl-tRNAs delivered by elongation factor Tu (EF-Tu). Here we present high-resolution structural ensembles of ribosomes with cognate or near-cognate aminoacyl-tRNAs delivered by EF-Tu. Both cognate and near-cognate tRNA anticodons explore the aminoacyl-tRNA-binding site (A site) of an open 30S subunit, while inactive EF-Tu is separated from the 50S subunit...
May 24, 2017: Nature
https://www.readbyqxmd.com/read/28538695/a-new-calibration-method-for-commercial-rgb-d-sensors
#18
Walid Darwish, Shenjun Tang, Wenbin Li, Wu Chen
Commercial RGB-D sensors such as Kinect and Structure Sensors have been widely used in the game industry, where geometric fidelity is not of utmost importance. For applications in which high quality 3D is required, i.e., 3D building models of centimeter‑level accuracy, accurate and reliable calibrations of these sensors are required. This paper presents a new model for calibrating the depth measurements of RGB-D sensors based on the structured light concept. Additionally, a new automatic method is proposed for the calibration of all RGB-D parameters, including internal calibration parameters for all cameras, the baseline between the infrared and RGB cameras, and the depth error model...
May 24, 2017: Sensors
https://www.readbyqxmd.com/read/28537779/simulation-model-for-laparoscopic-foregut-surgery-the-university-of-north-carolina-foregut-model
#19
Francisco Schlottmann, Neal S Murty, Marco G Patti
BACKGROUND: A significant gap presently exists between box-lap and virtual-reality simulators and live surgery. Live animal and cadaver use has significant downsides. We have developed a high fidelity, real tissue simulator that allows training in laparoscopic foregut operations. METHODS: Our foregut surgery model is based on porcine tissue blocks that include lungs, heart, aorta, esophagus, diaphragm, stomach, duodenum, liver, and spleen. The tissue block is mounted in a human mannequin and perfused with artificial blood...
May 24, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28536873/bending-the-curve-a-community-based-behavioral-parent-training-model-to-address-adhd-related-concerns-in-the-voluntary-sector-in-denmark
#20
Anil Chacko, Christoffer Scavenius
Limited access to evidence-based behavioral parent training (BPT) for addressing attention deficit/hyperactivity disorder (ADHD) has been a growing concern internationally. Models to improve access to BPT are needed, particularly those that can be readily implemented in community settings and that leverage the potential workforce to increase capacity to deliver BPT. The purpose of this study was to evaluate a BPT model which included oft-used content, methods, processes of BPT (common-elements), non-professionally delivered (task-shifted/shared) BPT intervention, and an efficient ancillary support system (training, fidelity, and supervision methods) for families of youth with parental concerns about ADHD...
May 23, 2017: Journal of Abnormal Child Psychology
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