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https://www.readbyqxmd.com/read/29350556/rehabilitation-of-a-young-athlete-with-extension-based-low-back-pain-addressing-motor-control-impairments-and-central-sensitization
#1
John J Winslow, Mark Jackson, Andrew Getzin, Michael Costello
OBJECTIVE:   To describe the conservative management of a young athlete with extension-based (EB) low back pain (LBP). BACKGROUND:   We present the case of a 15-year-old female high school gymnast with a 4-year history of EB LBP. Magnetic resonance imaging revealed a healed spondylolysis and significant lumbar multifidi muscle (LMM) atrophy with fatty infiltrate. She had several courses of outpatient orthopaedic rehabilitation that focused on core muscle strengthening (improving activation and strength of the LMM and transversus abdominus muscle in a neutral pelvic position) without long-lasting improvement...
January 19, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29347030/phase-diagrams-for-sticky-rods-in-bulk-and-in-a-monolayer-from-a-lattice-free-energy-functional-for-anisotropic-particles-with-depletion-attractions
#2
M Mortazavifar, M Oettel
A density functional of fundamental measure type for a lattice model of anisotropic particles with hard-core repulsions and effective attractions is derived in the spirit of the Asakura-Oosawa model. Through polymeric lattice particles of various size and shape, effective attractions of different strength and range between the colloids can be generated. The functional is applied to the determination of phase diagrams for sticky rods of length L in two dimensions, in three dimensions, and in a monolayer system on a neutral substrate...
September 2017: Physical Review. E
https://www.readbyqxmd.com/read/29345926/investigation-on-the-thermodynamic-dissociation-kinetics-of-photosystem-ii-supercomplexes-to-determine-the-binding-strengths-of-light-harvesting-complexes
#3
Eunchul Kim, Ryutaro Tokutsu, Jun Minagawa
The photosystem II (PSII) supercomplex splits water utilizing light energy, and is composed of a core dimer-complex surrounded by light-harvesting complexes (LHCs). In green algae, the major LHCs which are LHCII trimers, have thus far been categorized into strongly, moderately, or loosely binding LHCII trimers based on their predicted binding to core complexes. However, the binding energies have been indirectly predicted based on the presence or absence of LHCII trimers in the PSII supercomplex under electron microscopy, and have not been determined experimentally...
January 18, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29342906/modelling-and-characterization-of-effective-thermal-conductivity-of-single-hollow-glass-microsphere-and-its-powder
#4
Bing Liu, Hui Wang, Qing-Hua Qin
Tiny hollow glass microsphere (HGM) can be applied for designing new light-weighted and thermal-insulated composites as high strength core, owing to its hollow structure. However, little work has been found for studying its own overall thermal conductivity independent of any matrix, which generally cannot be measured or evaluated directly. In this study, the overall thermal conductivity of HGM is investigated experimentally and numerically. The experimental investigation of thermal conductivity of HGM powder is performed by the transient plane source (TPS) technique to provide a reference to numerical results, which are obtained by a developed three-dimensional two-step hierarchical computational method...
January 14, 2018: Materials
https://www.readbyqxmd.com/read/29341596/core-shell-zif-8-zif-67-derived-cop-nanoparticles-embedded-n-doped-carbon-nanotube-hollow-polyhedron-for-efficient-over-all-water-splitting
#5
Yuan Pan, Kaian Sun, Shoujie Liu, Xing Cao, Konglin Wu, Weng-Chon Cheong, Zheng Chen, Yu Wang, Yang Li, Yunqi Liu, Dingsheng Wang, Qing Peng, Chen Chen, Yadong Li
The construction of highly active and stable non-noble metal electrocatalysts for hydrogen and oxygen evolution reactions electrocatalysts is a major challenge for overall water splitting. Herein, we report a novel hybrid nanostructure with CoP na-noparticles (NPs) embedded in N-doped carbon nanotube hollow polyhedron (NCNHP) through a pyrolysis-oxidation-phosphidation strategy derived from core-shell ZIF-8@ZIF-67. Benefiting from the synergistic effects between highly active CoP NPs and NCNHP, the CoP/NCNHP hybrid exhibited outstanding bifunctional electrocatalytic performances...
January 17, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29341027/developing-deep-learning-applications-for-life-science-and-pharma-industry
#6
Daniel Siegismund, Vasily Tolkachev, Stephan Heyse, Beate Sick, Oliver Duerr, Stephan Steigele
Deep Learning has boosted artificial intelligence over the past 5 years and is seen now as one of the major technological innovation areas, predicted to replace lots of repetitive, but complex tasks of human labor within the next decade. It is also expected to be 'game changing' for research activities in pharma and life sciences, where large sets of similar yet complex data samples are systematically analyzed. Deep learning is currently conquering formerly expert domains especially in areas requiring perception, previously not amenable to standard machine learning...
January 16, 2018: Drug Research
https://www.readbyqxmd.com/read/29334220/computational-design-synthesis-and-structure-property-evaluation-of-1-3-thiazole-based-colour-tunable-multiheterocyclic-small-organic-fluorophores-as-multifunctional-molecular-materials
#7
Rakesh Radhakrishnan, Kumaran G Sreejalekshmi
Probing chemical space of luminescent organic materials built on novel cores is highly imperative for its potential to expand the horizons of advanced functional materials. Small organic fluorophores possessing therapeutic traits can contribute to theranostics. We coupled computational and classical synthetic chemistry strategies for the rational design of 5-(hetero-2-yl)-1,3-thiazoles as colour tunable fluorophore core. With the aid of DFT and TD-DFT, we prove multiheterocyclic system built on thiazole-het core with three inherent tunable sites on thiazole (C2, C4 and C5) capable of accommodating panoply of substituents, as a multifunctional molecular materials' platform...
January 15, 2018: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29333772/-effect-of-different-surface-processes-on-the-bond-strength-between-zirconia-framework-and-veneering-ceramic
#8
Gong Qi, Sun Huiqiang, Hu Yijun, Chen Jia, Ding Weishan
OBJECTIVE: To compare the effect of different surface processes on bond strength and microscopic structure using a scanning electron microscope (SEM) and an energy distribution spectrum (EDS) at the bonding interface between zirconia framework and veneering ceramic. METHODS: WIELAND zirconia core material was cut into 33 rectangular specimens and fired on into rectangular specimens (10 mm×5 mm×5 mm). The specimens were randomly divided into three groups (n=
11)...
December 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29330669/hip-and-groin-injuries-in-baseball-players
#9
REVIEW
Ryan A Mlynarek, Struan H Coleman
PURPOSE OF REVIEW: To discuss the clinical significance of the most common hip and groin injuries in baseball players, as well as an algorithmic approach to diagnosis and treatment of these injuries. RECENT FINDINGS: (a) Limitations in throwing velocity, pitch control, and bat swing speed may be secondary to decreased mobility and strength within the proximal kinetic chain, which must harness power from the lower extremities and core. (b) Approximately 5.5% of all baseball injuries per year involve the hip/groin and may lead to a significant amount of time spent on the disabled list...
January 12, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29328321/anti-waveguiding-vertical-cavity-surface-emitting-laser-at-850-nm-from-concept-to-advances-in-high-speed-data-transmission
#10
N N Ledentsov, V A Shchukin, V P Kalosha, N N Ledentsov, J-R Kropp, M Agustin, Ł Chorchos, G Stępniak, J P Turkiewicz, J-W Shi
Oxide-confined vertical cavity surface emitting lasers (VCSELs) with anti-waveguiding AlAs-rich core presently attract a lot of attention. Anti-waveguiding cavity enables the maximum possible optical confinement of the VCSEL mode ("λ/2 design"), increases its oscillator strength and reduces dramatically the optical power accumulated in the VCSEL mesa regions outside the aperture. VCSEL designs are suggested that favor single transverse mode operation. Modeling including current-induced and absorption-induced overheating shows that the preference for the transverse fundamental mode persists up to 10 mA current at 5 µm aperture diameter...
January 8, 2018: Optics Express
https://www.readbyqxmd.com/read/29327019/using-a-novel-rigid-fluoride-polymer-to-control-the-interfacial-thickness-of-graphene-and-tailor-the-dielectric-behavior-of-poly-vinylidene-fluoride-trifluoroethylene-chlorotrifluoroethylene-nanocomposites
#11
Xianghui Han, Sheng Chen, Xuguang Lv, Hang Luo, Dou Zhang, Chris R Bowen
Polymer nanocomposites based on conductive fillers for high performance dielectrics have attracted increasing attention in recent years. However, a number of physical issues are unclear, such as the effect of interfacial thickness on the dielectric properties of the polymer nanocomposites, which limits the enhancement of permittivity. In this research, two core-shell structured reduced graphene oxide (rGO)@rigid-fluoro-polymer conducting fillers with different shell thicknesses are prepared using a surface-initiated reversible-addition-fragmentation chain transfer polymerization method, which are denoted as rGO@PTFMS-1 with a thin shell and rGO@PTFMS-2 with a thick shell...
January 12, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29325026/failure-of-sternal-wires-depends-on-the-number-of-turns-and-plastic-deformation-combined-experimental-and-computational-approach
#12
Lukas Capek, Petr Henys, Martin Kalab, Pavel Solfronk
OBJECTIVES: The number of turns at the end of a wire closure is not described or discussed in any cardiosurgical guidelines. The hands-on experience of the surgeon plays a significant role. The aim of this work was to clarify the relationship between the number of turns of the suture and the resulting strength of the sternal fixation. METHODS: The study was performed in 2 independent steps. The first step was a finite element simulation, where the stress and strain distribution of the sternal fixation was observed...
January 8, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29323735/the-basis-of-behavioral-momentum-in-the-nonlinearity-of-strength
#13
Peter R Killeen, John A Nevin
The persistence of operant responding in the context of distractors and opposing forces is of central importance to the success of behavioral interventions. It has been successfully analyzed with Behavioral Momentum Theory. Key data from the research inspired by that theory are reanalyzed in terms of more molecular behavioral mechanisms: the demotivational effects of disruptors, and their differential impacts on the target response and other responses that interact with them. Behavioral momentum is regrounded as a nonlinear effect of motivation and reinforcement rate on response probability and persistence...
January 11, 2018: Journal of the Experimental Analysis of Behavior
https://www.readbyqxmd.com/read/29323511/representing-schizotypal-thinking-with-dimensional-traits-a-case-for-the-five-factor-schizotypal-inventory
#14
Erin L Moorman, Douglas B Samuel
Building on support for the five-factor model (FFM) of personality disorder, the Five Factor Schizotypal Inventory (FFSI) was developed to assess maladaptive traits relevant to schizotypal personality disorder. While the development of the FFSI supports a continuity between schizotypal thinking and perception (STAP) and the FFM domain of Openness to Experience, other studies show inconsistent findings concerning the strength of this relationship. The current study evaluates these relationships by investigating specific components of a short-form of the FFSI (e...
January 2018: Psychological Assessment
https://www.readbyqxmd.com/read/29323383/field-dependent-dynamic-responses-from-dilute-magnetic-nanoparticle-dispersions
#15
Jeppe Fock, Christoph Balceris, Rocio Costo, Lunjie Zeng, Frank Ludwig, Mikkel Fougt Hansen
The response of magnetic nanoparticles (MNPs) to an oscillating magnetic field outside the linear response region is important for several applications including magnetic hyperthermia, magnetic resonance imaging and biodetection. The size and magnetic moment are two critical parameters for the performance of a colloidal MNP dispersion. We present and demonstrate the use of optomagnetic (OM) and AC susceptibility (ACS) measurements vs. frequency and magnetic field strength to obtain the size and magnetic moment distributions including the correlation between the distributions...
January 11, 2018: Nanoscale
https://www.readbyqxmd.com/read/29321846/weak-whole-plant-trait-coordination-in-a-seasonally-dry-south-american-stressful-environment
#16
José L A Silva, Alexandre F Souza, Adriano Caliman, Eduardo L Voigt, Juliana E Lichston
A core question involving both plant physiology and community ecology is whether traits from different organs are coordinated across species, beyond pairwise trait correlations. The strength of within-community trait coordination has been hypothesized to increase along gradients of environmental harshness, due to the cost of adopting ecological strategies out of the viable niche space supported by the abiotic conditions. We evaluated the strength of trait relationship and coordination in a stressful environment using 21 leaf and stem traits of 21 deciduous and evergreen woody species from a heath vegetation growing on coastal sandy plain in northeastern South America...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29316725/improvement-in-wood-bonding-strength-of-poly-vinyl-acetate-butyl-acrylate-emulsion-by-controlling-the-amount-of-redox-initiator
#17
Yun Zhang, Bo Pang, Sen Yang, Wei Fang, Sheng Yang, Tong-Qi Yuan, Run-Cang Sun
Polyvinyl acetate emulsion adhesive has been widely used due to its good bonding performance and environmentally friendly properties. Indeed, the bonding performance can be further improved by copolymerizing with other monomers. In this study, the effect of the adjunction of redox initiator (hydrogen peroxide-tartaric acid, H₂O₂-TA) on the properties of the poly (vinyl acetate-butyl acrylate) (P (VAc-BA)) emulsion adhesive was investigated. With increasing dosage, the reaction became more complete and the obtained film was more compact, as identified via SEM...
January 8, 2018: Materials
https://www.readbyqxmd.com/read/29307317/strength-of-primary-care-service-delivery-a-comparative-study-of-european-countries-australia-new-zealand-and-canada
#18
Danica R Pavlič, Maja Sever, Zalika Klemenc-Ketiš, Igor Švab, Milena Vainieri, Chiara Seghieri, Alem Maksuti
Aim We sought to examine strength of primary care service delivery as measured by selected process indicators by general practitioners from 31 European countries plus Australia, Canada, and New Zealand. We explored the relation between strength of service delivery and healthcare expenditures. BACKGROUND: The strength of a country's primary care is determined by the degree of development of a combination of core primary care dimensions in the context of its healthcare system. This study analyses the strength of service delivery in primary care as measured through process indicators in 31 European countries plus Australia, New Zealand, and Canada...
January 8, 2018: Primary Health Care Research & Development
https://www.readbyqxmd.com/read/29307152/the-effects-of-10-week-core-stability-training-on-balance-in-women-with-multiple-sclerosis-according-to-expanded-disability-status-scale-a-single-blinded-randomized-controlled-trial
#19
Banafsheh Amiri, Mansour Sahebozamani, Behnaz Sedighi
AIM: The effect of 10-week core stability training (CST) program on balance in women with relapsing-remitting Multiple Sclerosis (MS) according to Expanded Disability Status Scale (EDSS) score. METHODS: Sixty-nine MS women were randomly assigned into two groups as the intervention group and the control group. These groups were categorized into three subgroups according to the EDSS as follows: subgroup A (EDSS 2.5 to 3.5), subgroup B (EDSS 3.5 to 4.5), and subgroup C (EDSS 4...
January 2, 2018: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29303973/effect-of-lithium-disilicate-reinforced-liner-treatment-on-bond-and-fracture-strengths-of-bilayered-zirconia-all-ceramic-crown
#20
Yong-Seok Jang, Hyeong-Rok Noh, Min-Ho Lee, Myung-Jin Lim, Tae-Sung Bae
This study was performed to evaluate the effect of a lithium-disilicate spray-liner application on both the bond strength between zirconia cores and heat-pressed lithium-disilicate glass-ceramic veneers, and the fracture strength of all-ceramic zirconia crowns. A lithium-disilicate reinforced liner was applied on the surface of a zirconia core and lithium-disilicate glass-ceramic was veneered on zirconia through heat press forming. Microtensile and crown fracture tests were conducted in order to evaluate, respectively, the bonding strength between the zirconia cores and heat pressed lithium-disilicate glass-ceramic veneers, and the fracture strength of bilayered zirconia all-ceramic crowns...
January 5, 2018: Materials
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