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https://www.readbyqxmd.com/read/28214426/reduced-step-length-reduces-knee-joint-contact-forces-during-running-following-anterior-cruciate-ligament-reconstruction-but-does-not-alter-inter-limb-asymmetry
#1
Collin D Bowersock, Richard W Willy, Paul DeVita, John D Willson
BACKGROUND: Anterior cruciate ligament reconstruction is associated with early onset knee osteoarthritis. Running is a typical activity following this surgery, but elevated knee joint contact forces are thought to contribute to osteoarthritis degenerative processes. It is therefore clinically relevant to identify interventions to reduce contact forces during running among individuals after anterior cruciate ligament reconstruction. The primary purpose of this study was to evaluate the effect of reducing step length during running on patellofemoral and tibiofemoral joint contact forces among people with a history of anterior cruciate ligament reconstruction...
February 10, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28213527/advancing-viral-rna-structure-prediction-measuring-the-thermodynamics-of-pyrimidine-rich-internal-loops
#2
Andy Phan, Katherine Mailey, Jessica Sakai, Xiaobo Gu, Susan J Schroeder
Accurate thermodynamic parameters improve RNA structure predictions and thus accelerate understanding of RNA function and the identification of RNA drug binding sites. Many viral RNA structures, such as internal ribosome entry sites, have internal loops and bulges that are potential drug target sites. Current models used to predict internal loops are biased towards small, symmetric purine loops, and thus poorly predict asymmetric, pyrimidine-rich loops with more than 6 nucleotides that occur frequently in viral RNA...
February 17, 2017: RNA
https://www.readbyqxmd.com/read/28213464/cilia-in-left-right-symmetry-breaking
#3
Kyosuke Shinohara, Hiroshi Hamada
Visceral organs of vertebrates show left-right (L-R) asymmetry with regard to their position and morphology. Cilia play essential role in generating L-R asymmetry. A number of genes required for L-R asymmetry have now been identified in vertebrates, including human, many of which contribute to the formation and motility of cilia. In the mouse embryo, breaking of L-R symmetry occurs in the ventral node, where two types of cilia (motile and immotile) are present. Motile cilia are located at the central region of the node, and generate a leftward fluid flow...
February 17, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28212735/elimination-of-the-unnecessary-intra-and-extracellular-signaling-by-anionic-phospholipids
#4
REVIEW
Valerian E Kagan, Hülya Bayır, Yulia Y Tyurina, Sergey B Bolevich, John J Maguire, Bengt Fadeel, Krishnakumar Balasubramanian
High fidelity of biological systems is frequently achieved by duplication of the essential intracellular machineries or, removal of the entire cell, which becomes unnecessary or even harmful in altered physiological environments. Carefully controlled removal of these cells, without damaging normal cells, requires precise signaling, and is critical to maintaining homeostasis. This review describes how two anionic phospholipids - phosphatidylserine (PS) and cardiolipin (CL) - residing in distinct compartments of the cell, signal removal of "the unnecessary" using several uniform principles...
January 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28212653/coordination-between-primary-and-secondary-care-the-role-of-electronic-messages-and-economic-incentives
#5
Antonella La Rocca, Thomas Hoholm
BACKGROUND: In Norway, a government reform has recently been introduced to enhance coordination between primary and secondary care. This paper examines the effects of two newly introduced measures to improve the coordination: an ICT-based communication tool/standard and an economic incentive scheme. METHOD: This qualitative study is based primarily on 27 open-ended interviews. We interviewed nine employees at a hospital (the focal actor), 17 employees from seven different municipalities, and a representative of a Regional Health Authority...
February 17, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28211706/observation-of-d-0-%C3%A2-%C3%AF-0-%C3%AE-and-search-for-cp-violation-in-radiative-charm-decays
#6
T Nanut, A Zupanc, I Adachi, H Aihara, S Al Said, D M Asner, V Aulchenko, T Aushev, R Ayad, V Babu, I Badhrees, A M Bakich, V Bansal, P Behera, V Bhardwaj, J Biswal, A Bondar, A Bozek, M Bračko, T E Browder, D Červenkov, V Chekelian, A Chen, B G Cheon, R Chistov, K Cho, S-K Choi, Y Choi, D Cinabro, N Dash, S Di Carlo, Z Doležal, D Dutta, S Eidelman, H Farhat, J E Fast, T Ferber, B G Fulsom, V Gaur, N Gabyshev, A Garmash, R Gillard, P Goldenzweig, B Golob, K Hayasaka, H Hayashii, W-S Hou, T Iijima, K Inami, G Inguglia, A Ishikawa, Y Iwasaki, W W Jacobs, I Jaegle, D Joffe, K K Joo, T Julius, A B Kaliyar, K H Kang, T Kawasaki, D Y Kim, J B Kim, K T Kim, M J Kim, S H Kim, K Kinoshita, P Kodyš, S Korpar, P Krokovny, T Kuhr, R Kulasiri, A Kuzmin, Y-J Kwon, J S Lange, I S Lee, C H Li, L Li, Y Li, L Li Gioi, J Libby, D Liventsev, M Lubej, M Masuda, T Matsuda, D Matvienko, K Miyabayashi, H Miyata, R Mizuk, G B Mohanty, H K Moon, M Nakao, K J Nath, M Nayak, N K Nisar, S Nishida, S Ogawa, S Okuno, P Pakhlov, G Pakhlova, B Pal, C-S Park, C W Park, H Park, S Paul, T K Pedlar, L Pesántez, R Pestotnik, M Petrič, L E Piilonen, K Prasanth, C Pulvermacher, J Rauch, M Ritter, A Rostomyan, Y Sakai, S Sandilya, L Santelj, T Sanuki, Y Sato, V Savinov, T Schlüter, O Schneider, G Schnell, C Schwanda, A J Schwartz, Y Seino, K Senyo, O Seon, M E Sevior, V Shebalin, C P Shen, T-A Shibata, J-G Shiu, B Shwartz, E Solovieva, S Stanič, M Starič, J F Strube, J Stypula, T Sumiyoshi, M Takizawa, U Tamponi, F Tenchini, K Trabelsi, M Uchida, S Uno, Y Ushiroda, G Varner, A Vinokurova, V Vorobyev, A Vossen, C H Wang, M-Z Wang, P Wang, Y Watanabe, E Widmann, E Won, J Yamaoka, Y Yamashita, J Yelton, Z P Zhang, V Zhilich, V Zhukova, V Zhulanov
We report the first observation of the radiative charm decay D^{0}→ρ^{0}γ and the first search for CP violation in decays D^{0}→ρ^{0}γ, ϕγ, and K[over ¯]^{*0}(892)γ, using a data sample of 943  fb^{-1} collected with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. The branching fraction is measured to be B(D^{0}→ρ^{0}γ)=(1.77±0.30±0.07)×10^{-5}, where the first uncertainty is statistical and the second is systematic. The obtained CP asymmetries A_{CP}(D^{0}→ρ^{0}γ)=+0...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28211176/peripheral-aberrations-in-adult-hyperopes-emmetropes-and-myopes
#7
Uchechukwu L Osuagwu, Marwan Suheimat, David A Atchison
PURPOSE: To determine differences in peripheral aberrations in hyperopic, emmetropic and myopic groups. METHODS: Cycloplegic peripheral aberrations for 5 mm pupils were measured at 39 locations across 42° × 32° of right eye visual fields with a COAS-HD Hartmann-Shack aberrometer in nine hyperopes (mean age 29 ± 5 years, spherical equivalent refraction M + 1.47 ± 0.58 D), 20 emmetropes (28 ± 7 years, +0.06 ± 0.36 D) and 20 myopes (27 ± 6 years, -2...
March 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/28210647/association-of-quadriceps-strength-and-psychosocial-factors-with-single-leg-hop-performance-in-patients-with-meniscectomy
#8
Chao-Jung Hsu, Steven Z George, Terese L Chmielewski
BACKGROUND: Clinicians use the single-leg hop test to assess readiness for return to sports after knee injury. Few studies have reported the results of single-leg hop testing after meniscectomy. Additionally, the contributions of impairments in quadriceps strength and psychosocial factors to single-leg hop performance are unknown. PURPOSE: To compare single-leg hop performance (distance and landing mechanics) between limbs and to examine the association of single-leg hop performance with quadriceps strength and psychosocial factors in patients with meniscectomy...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28210231/effects-of-agent-environment-symmetry-on-the-coordination-dynamics-of-triadic-jumping
#9
Akifumi Kijima, Hiroyuki Shima, Motoki Okumura, Yuji Yamamoto, Michael J Richardson
We investigated whether the patterns of coordination that emerged during a three-participant (triadic) jumping task were defined by the symmetries of the (multi) agent-environment task space. Triads were instructed to jump around different geometrical arrangements of hoops. The symmetry of the hoop geometry was manipulated to create two symmetrical and two asymmetrical participant-hoop configurations. Video and motion tracking recordings were employed to determine the frequencies of coordination misses (collisions or failed jumps) and during 20 successful jump sequences, the jump direction chosen (clockwise vs...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28210037/a-study-on-asymmetry-in-infants-with-congenital-muscular-torticollis-according-to-head-rotation
#10
KyeongSoo Lee, EunJung Chung, Byoung-Hee Lee
[Purpose] The purpose of this study was to research asymmetry in infants with congenital muscular torticollis (CMT) according to head rotation. [Subjects and Methods] 70 infants with CMT were divided into grade I, grade II, and grade III according to the asymmetry of cervical rotation. Patients received ultrasound and massage therapy for 30 minutes, in conjunction with passive stretching exercises, 3 times a week. Repeated measurement results from interventions were presented from baseline, 3 months, and 6 months...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28210027/klapp-method-effect-on-idiopathic-scoliosis-in-adolescents-blind-randomized-controlled-clinical-trial
#11
Diego De Sousa Dantas, Sanderson José Costa De Assis, Marina Pegoraro Baroni, Johnnatas Mikael Lopes, Enio Walker Azevedo Cacho, Roberta De Oliveira Cacho, Silvana Alves Pereira
[Purpose] To estimate the effect of Klapp method on idiopathic scoliosis in school students. [Subjects and Methods] A single-blind randomized clinical trial with 22 students randomly divided into intervention group (n=12) and inactive control group (n=10). Exercise protocol consisted of Klapp method, 20 sessions, three times a week for intervention group, and inactivity for control group. Dorsal muscle strength was measured by dynamometer; body asymmetries and gibbosity angles were measured by biophotogrammetry...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28208707/gaitkeeper-a-system-for-measuring-canine-gait
#12
Cassim Ladha, Jack O'Sullivan, Zoe Belshaw, Lucy Asher
It is understood gait has the potential to be used as a window into neurodegenerative disorders, identify markers of subclinical pathology, inform diagnostic algorithms of disease progression and measure the efficacy of interventions. Dogs' gaits are frequently assessed in a veterinary setting to detect signs of lameness. Despite this, a reliable, affordable and objective method to assess lameness in dogs is lacking. Most described canine lameness assessments are subjective, unvalidated and at high risk of bias...
February 8, 2017: Sensors
https://www.readbyqxmd.com/read/28208477/bifurcation-induced-by-the-aspect-ratio-in-a-turbulent-von-k%C3%A3-rm%C3%A3-n-swirling-flow
#13
Olivier Liot, Javier Burguete
We evaluate the effect of the aspect ratio, i.e., the distance between the propellers H divided by the diameter D, on the slow dynamics of a von Kármán swirling flow driven by two propellers in a closed cylinder. We use a cell with a fixed diameter D but where the distance between the propellers can be turned continuously and where the inertia from the propellers can also be changed using different gears. No change on the dynamics is observed when the momentum of inertia is modified. Some dramatic changes of the shear layer position are observed modifying the aspect ratio Γ=H/D...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28208360/coupling-strength-versus-coupling-impact-in-nonidentical-bidirectionally-coupled-dynamics
#14
Petroula Laiou, Ralph G Andrzejak
The understanding of interacting dynamics is important for the characterization of real-world networks. In general, real-world networks are heterogeneous in the sense that each node of the network is a dynamics with different properties. For coupled nonidentical dynamics symmetric interactions are not straightforwardly defined from the coupling strength values. Thus, a challenging issue is whether we can define a symmetric interaction in this asymmetric setting. To address this problem we introduce the notion of the coupling impact...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28207658/association-between-paraspinal-muscle-morphology-clinical-symptoms-and-functional-status-in-patients-with-degenerative-cervical-myelopathy
#15
Maryse Fortin, Octavian Dobrescu, Matthew Courtemanche, Carolyn J Sparrey, Carlo Santaguida, Michael G Fehlings, Michael H Weber
STUDY DESIGN: A cross-sectional study. OBJECTIVE: The aim of this study was to assess fatty infiltration and asymmetry of the multifidus (MF), semispinalis cervicis (SCer), semispinalis capitis (SCap), and splenius capitis (SPL) muscles in patients with degenerative cervical myelopathy (DCM), and evaluate their correlations with clinical symptoms and functional scores. SUMMARY OF BACKGROUND DATA: Cervical muscle alterations have been reported in patients with chronic neck pain, but the assessment of cervical muscle morphology has been overlooked in patients with DCM...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28207420/temperature-dependent-collective-effects-for-silicene-and-germanene
#16
Andrii Iurov, Godfrey Gumbs, Danhong Huang
We have numerically calculated electron exchange and correlation energies and dynamical polarization functions for recently discovered silicene, germanene and other buckled honeycomb lattices at various temperatures. We have compared the dependence of these energies on the chemical potential, field-induced gap and temperature and we have concluded that in many cases they behave qualitatively in a similar way, i.e. increasing with the doping, decreasing significantly at elevated temperatures, and displaying different dependences on the asymmetry gap at various temperatures...
February 16, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28207403/predictive-walking-age-health-analyzer
#17
Priyanka Mandal, Krishna Tank, Tapas Monday, Chih-Hung Chen, M Jamal Deen
A simple, low-power and wearable health analyzer for early identification and management of some diseases is presented. To achieve this goal, we propose a walking pattern analysis system that uses features such as speed, energy, turn ratio, and bipedal behavior to characterize and classify individuals in distinct walking-ages. A database is constructed from 74 healthy young adults in the age range of 18 to 60 years using the combination of inertial signals from an accelerometer and a gyroscope on a level path including turns...
February 9, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28205563/geometric-tuning-of-self-propulsion-for-janus-catalytic-particles
#18
Sébastien Michelin, Eric Lauga
Catalytic swimmers have attracted much attention as alternatives to biological systems for examining collective microscopic dynamics and the response to physico-chemical signals. Yet, understanding and predicting even the most fundamental characteristics of their individual propulsion still raises important challenges. While chemical asymmetry is widely recognized as the cornerstone of catalytic propulsion, different experimental studies have reported that particles with identical chemical properties may propel in opposite directions...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28205400/design-features-for-optimization-of-tetrapyrrole-macrocycles-as-antimicrobial-and-anticancer-photosensitizers
#19
EDITORIAL
Alejandra Martinez De Pinillos Bayona, Pawel Mroz, Connor Thunshelle, Michael R Hamblin
Photodynamic therapy (PDT) uses non-toxic dyes called photosensitizers (PS) and harmless visible light that combine to form highly toxic reactive oxygen species that kill cells. Originally, a cancer therapy, PDT, now includes applications for infections. The most widely studied PS are tetrapyrrole macrocycles including porphyrins, chlorins, bacteriochlorins, and phthalocyanines. The present review covers the design features in PS that can work together to maximize the PDT activity for various disease targets...
February 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28203782/commentary-on-discriminative-thresholds-in-facial-asymmetry-a-review-of-the-literature
#20
Farhad B Naini
No abstract text is available yet for this article.
February 14, 2017: Aesthetic Surgery Journal
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