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https://www.readbyqxmd.com/read/28723816/importance-of-physical-qualities-for-speed-and-change-of-direction-ability-in-elite-female-soccer-players
#1
Stacey Emmonds, G Nicholson, C Beggs, B Jones, A Bissas
The purpose of this study was to determine the importance of physical qualities for speed and change of direction (CoD) ability in female soccer players. Data were collected on 10 female soccer players who were part of a professional English Women's Super League team. Player assessments included anthropometric (stature and body mass), body composition (dual-energy X-ray absorptiometry), speed (10m, 30m sprint), CoD ability (505 agility), aerobic (Yo-Yo Intermittent Recovery Test), lower-body strength (bilateral knee extensions) and power (countermovement jump [CMJ], squat jump [SJ], 30cm drop jump [DJ]) measures...
July 17, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28723759/determining-the-relationship-of-kinesiophobia-with-respiratory-functions-and-functional-capacity-in-ankylosing-spondylitis
#2
Göktuğ Er, Ender AngIn
Ankylosing spondylitis (AS) is a common inflammatory rheumatic disease that affects the axial skeleton, causes inflammatory lower back pain, and structural and functional disorders, which affect quality of life negatively.The purpose of this study is to investigate the effects of kinesiophobia in AS on pulmonary function tests (PFTs) and functional performance.Thirty-one individuals with AS (n = 19 male, n = 12 female) who were suitable on the basis of the Modified New York (MNY) criteria were included in the study...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28722400/experimental-measurements-and-surface-complexation-modeling-of-u-vi-adsorption-onto-multilayered-graphene-oxide-the-importance-of-adsorbate-adsorbent-ratios
#3
Thomas A Duster, Jennifer E S Szymanowski, Jeremy B Fein
Surface complexation models use experimental adsorption measurements to calculate stability constants that quantify the thermodynamic stability of adsorbed species. However, these constants are often poorly constrained due to nearly complete removal of the solute from solution and/or because the tested adsorbate:adsorbent ratios are not varied sufficiently. Using data sets that quantify the adsorption of U(VI) to multilayered graphene oxide (MLGO), we tested whether three different U(VI):MLGO ratios (3 ppm U; 20-210 mg L(-1) MLGO) affect the ability of nonelectrostatic and diffuse layer models to predict U(VI) adsorption behaviors across a range of ionic strength (1-100 mM) and pH (2-9...
July 19, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28722016/silk-micrococoons-for-protein-stabilisation-and-molecular-encapsulation
#4
Ulyana Shimanovich, Francesco S Ruggeri, Erwin De Genst, Jozef Adamcik, Teresa P Barros, David Porter, Thomas Müller, Raffaele Mezzenga, Christopher M Dobson, Fritz Vollrath, Chris Holland, Tuomas P J Knowles
Naturally spun silks generate fibres with unique properties, including strength, elasticity and biocompatibility. Here we describe a microfluidics-based strategy to spin liquid native silk, obtained directly from the silk gland of Bombyx mori silkworms, into micron-scale capsules with controllable geometry and variable levels of intermolecular β-sheet content in their protein shells. We demonstrate that such micrococoons can store internally the otherwise highly unstable liquid native silk for several months and without apparent effect on its functionality...
July 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28721663/influence-of-direct-or-indirect-contact-for-the-cytotoxicity-and-blood-compatibility-of-spider-silk
#5
J W Kuhbier, V Coger, J Mueller, C Liebsch, F Schlottmann, V Bucan, P M Vogt, S Strauss
Spider silk became one of the most-researched biomaterials in the last years due to its unique mechanical strength and most favourable chemical composition for tissue engineering purposes. However, standardized analysis of cytocompatibility is missing. Therefore, the aim of this study was to investigate hemolysis, cytotoxicity of native spider silk as well as influences on the cell culture medium. Changes of cell culture medium composition, osmolarity as well as glucose and lactate content were determined via ELISA measurement...
August 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28721100/shear-bond-strength-of-different-surface-treatments-in-bulk-fill-microhybrid-and-nanoparticle-repair-resins
#6
Rudys Rodolfo de Jesus Tavarez, Lauber Jose Dos Santos Almeida Júnior, Tayanne Christine Gomes Guará, Izabella Santos Ribeiro, Etevaldo Matos Maia Filho, Leily Macedo Firoozmand
OBJECTIVES: The purpose of this study was to evaluate the influence of surface treatment and different types of composite resin on the microshear bond strength of repairs. MATERIALS AND METHODS: Seventy-two specimens (n=72) were prepared using a nanoparticle resin and stored in artificial saliva at 37 ± 1°C for 24 h. After this period, the specimens (n=24) were restored with microhybrid resin P60 (3M ESPE), nanoparticle resin Filtek Z350 (3M ESPE), and Bulk Fill Surefil SDR Flow (Dentsply) composite resins...
2017: Clinical, Cosmetic and Investigational Dentistry
https://www.readbyqxmd.com/read/28720340/mechanical-strength-and-fracture-point-of-a-dental-implant-under-certification-conditions-a-numerical-approach-by-finite-element-analysis
#7
Guillermo de la Rosa Castolo, Sonia V Guevara Perez, Pierre-Jean Arnoux, Laurent Badih, Franck Bonnet, Michel Behr
STATEMENT OF PROBLEM: Implant prosthodontics provides high-quality outcomes thanks to recent technological developments and certification procedures such as International Organization for Standardization (ISO) standard 14801. However, these certification tests are costly, and the result is highly uncertain as the influence of design variables (materials and structure) is still unknown. The design process could be significantly improved if the influence of design parameters were identified...
July 15, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28720232/meta-analysis-of-the-predictive-factors-of-postpartum-fatigue
#8
Hanan A Badr, Jaclene A Zauszniewski
PURPOSE: Nearly 64% of new mothers are affected by fatigue during the postpartum period, making it the most common problem that a woman faces as she adapts to motherhood. Postpartum fatigue can lead to serious negative effects on the mother's health and the newborn's development and interfere with mother-infant interaction. The aim of this meta-analysis was to identify predictive factors of postpartum fatigue and to document the magnitude of their effects using effect sizes. METHOD: We used two search engines, PubMed and Google Scholar, to identify studies that met three inclusion criteria: (a) the article was written in English, (b) the article studied the predictive factors of postpartum fatigue, and (c) the article included information about the validity and reliability of the instruments used in the research...
August 2017: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/28719053/microwave-assisted-synthesis-of-metal-organic-framework-mil-101-nanocrystals-as-sorbent-and-pseudostationary-phase-in-capillary-electrophoresis-for-the-separation-of-anthraquinones-in-environmental-water-samples
#9
Yue Liu, Jia Hu, Yan Li, Yun-Tao Shang, Jia-Qi Wang, Ye Zhang, Zhong-Liang Wang
In this work, a CE method was developed to separate five anthraquinones: aloe-emodin, rhein, emodin, chrysophanol and physcion. The CE method used a nano-sized metal organic framework MIL-101 (nMIL-101) as pseudostationary phase (PSP) and sorbent for dispersed particle extraction (DPE). The nMIL-101 was synthesized by microwave technique and was characterized by UV-vis, TEM, Zeta potential, X-ray diffraction spectrometry and micropore physisorption. In this method, anthraquinones were adsorbed by nMIL-101 of a fast kinetics within 10 min and then separated by CE...
July 18, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28718883/gelation-kinetics-and-characterization-of-enzymatically-enhanced-fish-scales-gelatin-pectin-coacervate
#10
Tao Huang, Zong-Cai Tu, Xinchen Shangguan, Hui Wang, Hainan-Zhang, Lu Zhang, Xiaomei Sha
BACKGROUND: Protein - polysaccharide complex coacervations have been considered extensively for the development of functional foods. The main problem of the complex coacervates is high unstable under different conditions and that cross-linking is necessary to stabilize them. In this study, the effects of pectin at different concentrations on the gel and structural properties of fish scales gelatin (FSG) - high methoxyl citrus pectin (HMP) coacervate enhanced by microbial-transglutanminase (MTGase) were studied...
July 18, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28718632/systematic-approaches-to-efficiently-produce-2-3-butanediol-in-a-marine-cyanobacterium
#11
Nicole E Nozzi, Anna E Case, Austin L Carroll, Shota Atsumi
Cyanobacteria have attracted significant interest as a platform for renewable production of fuel and feedstock chemicals from abundant atmospheric carbon dioxide by way of photosynthesis. While great strides have been made in developing this technology in freshwater cyanobacteria, logistical issues remain in scale-up. Use of the cyanobacterium Synechococcus sp. PCC 7002 (7002) as a chemical production chassis could address a number of these issues given the higher tolerance to salt, light, and heat as well as the fast growth rate of 7002 in comparison to traditional model cyanobacteria such as Synechococcus elongatus PCC 7942 and Synechocystis sp...
July 18, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28717781/spinal-cord-infarction-mimicking-ischemic-heart-disease
#12
Dae Won Lee, Yoon Hee Choi
Spinal cord infarction is a rare condition and is easily misdiagnosed owing to its initial non-specific manifestation. We report a case of a 77-year-old man who presented with chest pain and upper back pain initially, and was misdiagnosed with a myocardial infarction. Four hours after admission, he complained of numbness in his entire left leg below the knee, with rapid deterioration of neurological symptoms. After 9 hours, loss of sensation progressed up to the T4 dermatome, strength of both lower extremities deteriorated to grade 0, and decrease in anal tone and deep tendon reflex was observed...
June 2017: Clinical and Experimental Emergency Medicine
https://www.readbyqxmd.com/read/28717201/cognitive-brain-responses-during-circadian-wake-promotion-evidence-for-sleep-pressure-dependent-hypothalamic-activations
#13
Carolin F Reichert, Micheline Maire, Virginie Gabel, Antoine U Viola, Thomas Götz, Klaus Scheffler, Markus Klarhöfer, Christian Berthomier, Werner Strobel, Christophe Phillips, Eric Salmon, Christian Cajochen, Christina Schmidt
The two-process model of sleep-wake regulation posits that sleep-wake-dependent homeostatic processes interact with the circadian timing system to affect human behavior. The circadian timing system is fundamental to maintaining stable cognitive performance, as it counteracts growing homeostatic sleep pressure during daytime. Using magnetic resonance imaging, we explored brain responses underlying working memory performance during the time of maximal circadian wake-promotion under varying sleep pressure conditions...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717160/differential-electron-emission-from-polycyclic-aromatic-hydrocarbon-molecules-under-fast-ion-impact
#14
Shubhadeep Biswas, Christophe Champion, Lokesh C Tribedi
Interaction between polycyclic aromatic hydrocarbon (PAH) molecule and energetic ion is a subject of interest in different areas of modern physics. Here, we present measurements of energy and angular distributions of absolute double differential electron emission cross section for coronene (C24H12) and fluorene (C13H10) molecules under fast bare oxygen ion impact. For coronene, the angular distributions of the low energy electrons are quite different from that of simpler targets like Ne or CH4, which is not the case for fluorene...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717150/a-comparison-of-traditional-and-novel-metrics-to-quantify-resistance-training
#15
Kieran J Marston, Jeremiah J Peiffer, Michael J Newton, Brendan R Scott
Common estimates of external training intensity for resistance exercise do not incorporate inter-set recovery duration, and might not reflect the overall demands of training. This study aimed to assess novel metrics of exercise density (ED) during resistance exercise, and how these related to a physiological marker of internal training intensity as well as traditional measures of external training intensity and volume. Thirteen males and seven females performed two bouts of resistance exercise focused on developing strength (5 sets of 5 repetitions with 5-repetition maximum; 180 s recovery) and hypertrophy (3 sets of 10 repetitions with 10-repetition maximum; 60 s recovery)...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716589/the-role-of-dopamine-d2-receptors-in-the-nucleus-accumbens-during-taste-aversive-learning-and-memory-extinction-after-long-term-sugar-consumption
#16
María Isabel Miranda, José Alejandro Rangel-Hernández, Gabriela Vera-Rivera, Nadia Edith García-Medina, Gerardo Soto-Alonso, Gabriela Rodríguez-García, Luis Núñez-Jaramillo
The nucleus accumbens (NAcc) is a forebrain region that may significantly contribute to the integration of taste and visceral signals during food consumption. Changes in dopamine release in the NAcc have been observed during consumption of a sweet taste and during compulsive consumption of dietary sugars, suggesting that NAcc dopaminergic transmission is strongly correlated with taste familiarity and the hedonic value content. NAcc core and shell nuclei are differentially involved during and after sugar exposure and, particularly, previous evidence suggests that dopamine D2 receptors could be related with the strength of the latent inhibition (LI) of conditioned taste aversion (CTA), which depends on the length of the taste stimulus pre-exposure...
July 14, 2017: Neuroscience
https://www.readbyqxmd.com/read/28716108/esoteric-connective-tissue-therapy-for-chronic-low-back-pain-to-reduce-pain-and-improve-functionality-and-general-well-being-compared-with-physiotherapy-study-protocol-for-a-randomised-controlled-trial
#17
Christoph Schnelle, Steffen Messerschmidt, Eunice J Minford, Kate Greenaway-Twist, Maxine Szramka, Marianna Masiorski, Michelle Sheldrake, Mark Jones
BACKGROUND: Low back pain causes more global disability than any other condition. Once the acute pain becomes chronic, about two-thirds of sufferers will not fully recover after 1-2 years. There is a paucity of effective treatments for non-specific, chronic low back pain. It has been noted that low back pain is associated with changes in the connective tissue in the affected area, and a very low-impact treatment, Esoteric Connective Tissue Therapy (ECTT), has been developed to restore flexibility in connective tissue...
July 17, 2017: Trials
https://www.readbyqxmd.com/read/28716096/optimizing-reproducibility-of-operant-testing-through-reinforcer-standardization-identification-of-key-nutritional-constituents-determining-reward-strength-in-touchscreens
#18
Eun Woo Kim, Benjamin U Phillips, Christopher J Heath, So Yeon Cho, Hyunjeong Kim, Jemeen Sreedharan, Ho-Taek Song, Jong Eun Lee, Timothy J Bussey, Chul Hoon Kim, Eosu Kim, Lisa M Saksida
Reliable and reproducible assessment of animal learning and behavior is a central aim of basic and translational neuroscience research. Recent developments in automated operant chamber technology have led to the possibility of universal standard protocols, in addition to increased translational potential, reliability and accuracy. However, the impact of regional and national differences in the supplies of available reinforcers in this system on behavioural performance and inter-laboratory variability is an unknown and at present uncontrolled variable...
July 17, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28715740/rhamnolipid-biosurfactant-complexation-of-rare-earth-elements
#19
David E Hogan, Joan E Curry, Jeanne E Pemberton, Raina M Maier
Rare earth elements (REE) are vital for modern technologies and considered critical materials. This study investigated monorhamnolipid biosurfactant interactions with REE as the basis for REE recovery technology. Conditional stability constants (log β), measured using a resin-based ion exchange method, are reported for 16 REE and metals. These results were combined with existing data for 10 other metals to assess comparative strength and determinants of binding. The stability constants could be divided into three groups: weakly, moderately, and strongly bound...
June 23, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28715514/i-swot-as-instrument-to-individually-optimize-therapy-of%C3%A2-thoracoabdominal-aortic-aneurysms-effective-norm-compliant-and-meeting-the-needs
#20
A Sachweh, Y von Kodolitsch, T Kölbel, A Larena-Avellaneda, S Wipper, A M Bernhardt, E Girdauskas, C Detter, H Reichenspurner, C R Blankart, E S Debus
BACKGROUND: Guidelines summarize medical evidence, they identify the most efficient therapy under study conditions and recommend this therapy for use. The physician now has the challenge to translate a therapy that is efficient under laboratory conditions to a patient who is an individual person. To accomplish this task the physician has to make sure that (I) the ideal typical therapy is applicable and effective in this individual patient taking the special features into consideration, that (II) therapy is compliant with the norm including guidelines, laws and ethical requirements (conformity) and that (III) the therapy meets the patient's needs...
2017: Gefässchirurgie: Zeitschrift Für Vaskuläre und Endovaskuläre Chirurgie
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