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https://www.readbyqxmd.com/read/29161625/prediction-of-walk-to-run-transition-using-stride-frequency-a-test-retest-reliability-study
#1
Ernst Albin Hansen, Andreas Møller Nielsen, Lasse Andreas Risgaard Kristensen, Pascal Madeleine, Michael Voigt
The transition from walking to running has previously been predicted to occur at a point where the stride frequency starts getting closer to the running attractor than to the walking attractor. The two behavioural attractors were considered to be represented by the freely chosen stride frequencies during unrestricted treadmill walking and running. The aim of the present study was to determine the relative and absolute test-retest reliability of the predicted walk-to-run transition stride frequency. Healthy individuals (n=25) performed walking and running on a treadmill in a day-to-day test-retest design...
November 18, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29161413/nrf2-regulates-endothelial-glycolysis-and-proliferation-with-mir-93-and-mediates-the-effects-of-oxidized-phospholipids-on-endothelial-activation
#2
Suvi M Kuosmanen, Emilia Kansanen, Minna U Kaikkonen, Virve Sihvola, Kati Pulkkinen, Henna-Kaisa Jyrkkänen, Pauli Tuoresmäki, Juha Hartikainen, Mikko Hippeläinen, Hannu Kokki, Pasi Tavi, Sami Heikkinen, Anna-Liisa Levonen
Phospholipids, such as 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine (PAPC), are the major components of cell membranes. Their exposure to reactive oxygen species creates oxidized phospholipids, which predispose to the development of chronic inflammatory diseases and metabolic disorders through endothelial activation and dysfunction. Although the effects of oxidized PAPC (oxPAPC) on endothelial cells have been previously studied, the underlying molecular mechanisms evoking biological responses remain largely unknown...
November 17, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29161317/evaluating-architecture-impact-on-system-energy-efficiency
#3
Shijie Yu, Hailong Yang, Rui Wang, Zhongzhi Luan, Depei Qian
As the energy consumption has been surging in an unsustainable way, it is important to understand the impact of existing architecture designs from energy efficiency perspective, which is especially valuable for High Performance Computing (HPC) and datacenter environment hosting tens of thousands of servers. One obstacle hindering the advance of comprehensive evaluation on energy efficiency is the deficient power measuring approach. Most of the energy study relies on either external power meters or power models, both of these two methods contain intrinsic drawbacks in their practical adoption and measuring accuracy...
2017: PloS One
https://www.readbyqxmd.com/read/29161115/hip-arthroscopic-surgery-for-femoroacetabular-impingement-with-capsular-management-factors-associated-with-achieving-clinically-significant-outcomes
#4
Gregory L Cvetanovich, Alexander E Weber, Benjamin D Kuhns, Jennifer Alter, Joshua D Harris, Richard C Mather, Shane J Nho
BACKGROUND: There has been increasing interest in defining clinically meaningful outcomes in patient reported outcomes following orthopaedic surgery. Little is known about the factors associated with clinically meaningful outcomes after hip arthroscopy for femoroacetabular impingement. STUDY DESIGN: Case-control study; Level of evidence, 3. PURPOSE: To report on a large, prospectively collected consecutive series of patients who underwent comprehensive arthroscopic treatment of femoroacetabular impingement (FAI) and capsular management with greater than 2-year follow-up...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29160800/study-and-validation-of-eavesdropping-scenarios-over-a-visible-light-communication-channel
#5
Ignacio Marin-Garcia, Victor Guerra, Rafael Perez-Jimenez
The security and privacy provided by Visible Light Communication (VLC) technologies is an area that has been slightly addressed due to the misconception that, since light does not go through solid objects like walls, VLC-based communications cannot be eavesdropped on by outside observers. As an upcoming technology, VLC is expected to be used in multiple environments were, due to radio frequency RF overuse or limitations, RF solutions cannot or should not be employed. In this work, we study the eavesdropping characteristics of a VLC-based communication...
November 21, 2017: Sensors
https://www.readbyqxmd.com/read/29160723/automation-of-a-dosing-disc-capsule-filler-from-the-perspective-of-reliability-and-safety
#6
Bernhard Wagner, Thomas Brinz, Stephanie Otterbach, Johannes Khinast
The aim of this paper is to explore the possibility to develop an automatically adjustable, reliable and safe capsule filling operation. Process parameters that are critical for the tamping pin process were reviewed based on the literature and via experiment. Dosing disc height, powder bed height, machine speed, pressure on the tamping pin and immersion depth were reviewed. Two investigations were performed on a GKF 702. In the first one, the powder feed rate onto the dosing disc was examined and modified. A distance sensor with a PID controller enabled a constant powder bed level with an online changeable set point...
November 21, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/29160414/predicting-pathway-cross-talks-in-ankylosing-spondylitis-through-investigating-the-interactions-among-pathways
#7
Xiang Gu, Cong-Jian Liu, Jian-Jie Wei
Given that the pathogenesis of ankylosing spondylitis (AS) remains unclear, the aim of this study was to detect the potentially functional pathway cross-talk in AS to further reveal the pathogenesis of this disease. Using microarray profile of AS and biological pathways as study objects, Monte Carlo cross-validation method was used to identify the significant pathway cross-talks. In the process of Monte Carlo cross-validation, all steps were iterated 50 times. For each run, detection of differentially expressed genes (DEGs) between two groups was conducted...
November 13, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29159827/family-based-tests-for-associating-haplotypes-with-general-phenotype-data-improving-the-fbat-haplotype-algorithm
#8
Julian Hecker, Xin Xu, F William Townes, Heide Loehlein Fier, Chris Corcoran, Nan Laird, Christoph Lange
For family-based association studies, Horvath et al. proposed an algorithm for the association analysis between haplotypes and arbitrary phenotypes when the phase of the haplotypes is unknown, that is, genotype data is given. Their approach to haplotype analysis maintains the original features of the TDT/FBAT-approach, that is, complete robustness against genetic confounding and misspecification of the phenotype. The algorithm has been implemented in the FBAT and PBAT software package and has been used in numerous substantive manuscripts...
November 21, 2017: Genetic Epidemiology
https://www.readbyqxmd.com/read/29159722/inbreeding-in-southeastern-spain-the-impact-of-geography-and-demography-on-marital-mobility-and-marital-distance-patterns-1900-1969
#9
R Calderón, C L Hernández, G García-Varela, D Masciarelli, P Cuesta
In this paper, the structure of a southeastern Spanish population was studied for the first time with respect to its inbreeding patterns and its relationship with demographic and geographic factors. Data on consanguineous marriages (up to second cousins) from 1900 to 1969 were taken from ecclesiastic dispensations. Our results confirm that the patterns and trends of inbreeding in the study area are consistent with those previously observed in most non-Cantabrian Spanish populations. The rate of consanguineous marriages was apparently stable between 1900 and 1935 and then sharply decreased since 1940, which coincides with industrialization in Spain...
November 20, 2017: Human Nature: An Interdisciplinary Biosocial Perspective
https://www.readbyqxmd.com/read/29159682/physiological-and-biomechanical-responses-of-highly-trained-distance-runners-to-lower-body-positive-pressure-treadmill-running
#10
Kyle R Barnes, Jessica N Janecke
BACKGROUND: As a way to train at faster running speeds, add training volume, prevent injury, or rehabilitate after an injury, lower-body positive pressure treadmills (LBPPT) have become increasingly commonplace among athletes. However, there are conflicting evidence and a paucity of data describing the physiological and biomechanical responses to LBPPT running in highly trained or elite caliber runners at the running speeds they habitually train at, which are considerably faster than those of recreational runners...
November 21, 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/29159669/thyroid-hormones-and-commonly-cited-symptoms-of-overtraining-in-collegiate-female-endurance-runners
#11
Justin X Nicoll, Disa L Hatfield, Kathleen J Melanson, Christopher S Nasin
PURPOSE: Overtraining syndrome (OTS) is reported in endurance sports. Thyroid hormones (TH) regulate metabolism, mood, and energy production, and may play a role in OTS of endurance athletes. The purpose of this study was to investigate relationships in TH and symptoms of OTS in track and field endurance runners (ER). METHODS: Sixteen female track and field middle distance (MD; n = 9; age: 20.2 ± 1.5 years; ht: 167.86 ± 5.04 cm; body-mass: 57.97 ± 5...
November 20, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29159603/prophylactic-intraperitoneal-onlay-mesh-reinforcement-reduces-the-risk-of-incisional-hernia-two-year-results-of-a-randomized-clinical-trial
#12
Philippe Brosi, Philippe M Glauser, Benjamin Speich, Samuel A Käser, Christoph A Maurer
BACKGROUND: Incisional hernias still are a major concern after laparotomy and are causing substantial morbidity. This study examines the feasibility, safety and incisional hernia rate of the use of a prophylactic intraperitoneal onlay mesh stripe (IPOM) to prevent incisional hernia following midline laparotomy. METHODS: This prospective, randomized controlled trial randomly allocated patients undergoing median laparotomy either to mass closure of the abdominal wall with a PDS-loop running suture reinforced by an intraperitoneal composite mesh stripe (Group A) or to the same procedure without the additional mesh stripe (Group B)...
November 20, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29159423/characterizing-pediatric-surgical-capacity-in-the-eastern-democratic-republic-of-congo-results-of-a-pilot-study
#13
Sarah B Cairo, Luc Malemo Kalisya, Richard Bigabwa, David H Rothstein
PURPOSE: Characterize pediatric surgical capacity in the eastern Democratic Republic of Congo (DRC) to identify areas of potential improvement. METHODS: The Pediatric Personnel, Infrastructure, Procedures, Equipment, and Supplies (PediPIPES) survey was used in two representative eastern DRC provinces to assess existing surgical infrastructure and capacity. We compared our results to previously published reports from other sub-Saharan African countries. RESULTS: Fourteen hospitals in the eastern DRC and 37 in 19 sub-Saharan African (SSA) countries were compared...
November 20, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/29159345/multiplexed-electrochemical-immunoassay-for-two-immunoglobulin-proteins-based-on-cd-and-cu-nanocrystals
#14
Dianping Tang, Jingjing Ren, Minghua Lu
Herein, a simple and feasible electrochemical immunosensing method for simultaneous voltammetric detection of two immunoglobulin proteins, human IgG (HIgG) and rabbit IgG (RIgG), was developed using two distinguishable signal-generation tags on the same electrode. The immunosensor was prepared by immobilizing two Fab antibody fragments on a gold electrode. After this, Cu and Cd nanocrystals, as nanotags, were synthesized and functionalized with identical detection antibodies. Transmission electron microscopy (TEM) and Fourier transform infrared spectroscopy (FTIR) were employed to characterize the Cu and Cd nanocrystals...
November 21, 2017: Analyst
https://www.readbyqxmd.com/read/29159323/summer-and-winter-habitat-suitability-of-marco-polo-argali-in-southeastern-tajikistan-a-modeling-approach
#15
Eric Ariel L Salas, Raul Valdez, Stefan Michel
We modeled summer and winter habitat suitability of Marco Polo argali in the Pamir Mountains in southeastern Tajikistan using these statistical algorithms: Generalized Linear Model, Random Forest, Boosted Regression Tree, Maxent, and Multivariate Adaptive Regression Splines. Using sheep occurrence data collected from 2009 to 2015 and a set of selected habitat predictors, we produced summer and winter habitat suitability maps and determined the important habitat suitability predictors for both seasons. Our results demonstrated that argali selected proximity to riparian areas and greenness as the two most relevant variables for summer, and the degree of slope (gentler slopes between 0° to 20°) and Landsat temperature band for winter...
November 2017: Heliyon
https://www.readbyqxmd.com/read/29159058/local-and-distant-relationships-between-amyloid-tau-and-neurodegeneration-in-alzheimer-s-disease
#16
Leonardo Iaccarino, Gautam Tammewar, Nagehan Ayakta, Suzanne L Baker, Alexandre Bejanin, Adam L Boxer, Maria Luisa Gorno-Tempini, Mustafa Janabi, Joel H Kramer, Andreas Lazaris, Samuel N Lockhart, Bruce L Miller, Zachary A Miller, James P O'Neil, Rik Ossenkoppele, Howard J Rosen, Daniel R Schonhaut, William J Jagust, Gil D Rabinovici
The relationships between β-amyloid (Aβ), tau and neurodegeneration within Alzheimer's Disease pathogenesis are not fully understood. To explore these associations in vivo, we evaluated 30 Aβ PET-positive patients (mean ± sd age 62.4 ± 8.3) with mild probable AD and 12 Aβ PET-negative healthy controls (HC) (mean ± sd age 77.3 ± 6.9) as comparison. All participants underwent 3 T MRI, (11)C-PiB (Aβ) PET and (18)F-AV1451 (tau) PET. Multimodal correlation analyses were run at both voxel- and region-of-interest levels...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29158726/enhanced-aerobic-exercise-performance-in-women-by-a-combination-of-three-mineral-chelates-plus-two-conditionally-essential-nutrients
#17
Robert A DiSilvestro, Staci Hart, Trisha Marshall, Elizabeth Joseph, Alyssa Reau, Carmen B Swain, Jason Diehl
Background: Certain essential and conditionally essential nutrients (CENs) perform functions involved in aerobic exercise performance. However, increased intake of such nutrient combinations has not actually been shown to improve such performance. Methods: For 1 mo, aerobically fit, young adult women took either a combination of 3 mineral glycinate complexes (daily dose: 36 mg iron, 15 mg zinc, and 2 mg copper) + 2 CENs (daily dose: 2 g carnitine and 400 mg phosphatidylserine), or the same combination with generic mineral complexes, or placebo (n = 14/group)...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29158657/academic-community-partnership-development-to-enhance-program-outcomes-in-underserved-communities-a-case-study
#18
Meg Skizim, Nick Harris, Claudia Leonardi, Richard Scribner
Purpose: A community-academic partnership was developed to assess community needs and restructure a variety of community-based programs that provide services to underserved communities in New Orleans, Louisiana. Methods: The community and academic partners utilized five phases to assess community needs and restructure programs: 1) meetings; 2) narrowing the scope of community programs; 3) data collection and analysis; 4) emphasizing target programs; and 5) improving sustainability through grant submissions and grant development training...
2017: Ethnicity & Disease
https://www.readbyqxmd.com/read/29158620/evaluation-of-different-jumping-tests-in-defining-position-specific-and-performance-level-differences-in-high-level-basketball-players
#19
Miran Pehar, Damir Sekulic, Nedim Sisic, Miodrag Spasic, Ognjen Uljevic, Ante Krolo, Zoran Milanovic, Tine Sattler
The importance of jumping ability in basketball is well known, but there is an evident lack of studies that have examined different jumping testing protocols in basketball players at advanced levels. The aim of this study was to assess the applicability of different tests of jumping capacity in identifying differences between (i) playing position and (ii) competitive levels of professional players. Participants were 110 male professional basketball players (height: 194.92±8.09 cm; body mass: 89.33±10.91 kg; 21...
September 2017: Biology of Sport
https://www.readbyqxmd.com/read/29158615/using-lactate-threshold-to-predict-5-km-treadmill-running-performance-in-veteran-athletes
#20
Jacky Forsyth, Dean Burt, Fiona Ridley, Christopher Mann
Measuring lactate threshold to predict endurance performance is difficult among veteran athletes, due to age-related decreases in net lactate concentration. The objective of this study was to determine whether lactate threshold, as assessed using the maximal deviation method (Dmax), which is not dependent on net values of lactate, could be used as a more valid measure of 5-km treadmill running performance than other methods of determining lactate threshold. Veteran runners (18 male and 18 female, aged 47.3±6...
September 2017: Biology of Sport
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