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https://www.readbyqxmd.com/read/28931173/hopping-and-landing-performance-in-male-youth-soccer-players-effects-of-age-and-maturation
#1
Paul James Read, Jon L Oliver, Gregory Myer, Mark De Ste Croix, Rhodri Lloyd
Quantifying hopping and landing performances can assist coaches in identifying young male soccer players who may be at increased risk of injury. The influence of chronological age and maturation on these measures in this population is unknown. Single leg hop for distance (SLHD) and 75% horizontal hop and stick landing force (75%Hop) were examined in a cross-sectional sample (N=400) of elite male youth soccer players. Between-group differences for both chronological age (U11-U18) and stage of maturation (pre-, circa- or post-peak height velocity (PHV)) were analyzed...
September 20, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28929510/laminar-specific-encoding-of-texture-elements-in-rat-barrel-cortex
#2
Benjamin J Allitt, Dasuni S Alwis, Ramesh Rajan
Texture discrimination by rats is exquisitely guided by fine-grain mechanical stick-slip motions of the face whiskers as they encounter, stick to, and slip past successive texture-defining surface features like bumps and grooves. Neural encoding of successive stick-slip texture events will be shaped by adaptation, common to all sensory systems, whereby receptor and neural responses to a stimulus are affected by responses to preceding stimuli, allowing resetting to signal novel information. Additionally, when a whisker is actively moved to contact and brush over surfaces, that motion itself generates neural responses that could cause adaptation of responses to subsequent stick-slip events...
September 20, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28928909/transplanting-embryonic-stem-cells-onto-damaged-human-corneal-endothelium
#3
Charles Hanson, Arsaell Arnarsson, Thorir Hardarson, Ann Lindgård, Mandana Daneshvarnaeini, Catarina Ellerström, Anita Bruun, Ulf Stenevi
AIM: To investigate whether human embryonic stem cells (hESCs) could be made to attach, grow and differentiate on a human Descemet's membrane (DM). METHODS: Spontaneously differentiated hESCs were transferred onto a human corneal button with the endothelial layer removed using ocular sticks. The cells were cultured on a DM for up to 15 d. The genetically engineered hESC line expressed green fluorescent protein, which facilitated identification during the culture experiments, tissue preparation, and analysis...
August 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28928313/youth-tobacco-use-in-south-east-asia-implications-for-tobacco-epidemic-and-options-for-its-control-in-the-region
#4
REVIEW
Manju Rani, Thaksaphon Thamarangsi, Naveen Agarwal
Nearly half of all male population and two in every five females in the WHO South-East Asia Region (SEAR) consume some form of tobacco. Preventing initiation among adolescents is critical for overall tobacco control. We assessed the trends in youth tobacco use and policies in SEAR. Data are used from school-based youth (Global Youth Tobacco Survey and global school student-based health survey) and adult (Global Adult Tobacco Survey, STEPS) tobacco surveys and the WHO Framework of Convention of Tobacco Control (FCTC) implementation database...
September 2017: Indian Journal of Public Health
https://www.readbyqxmd.com/read/28923431/both-anxiety-and-joint-laxity-determine-the-olfactory-features-in-panic-disorder
#5
Emma Burón, Antonio Bulbena, Andrea Bulbena-Cabré, Sílvia Rosado, Guillem Pailhez
Previous research showed a high sensitivity in sensorial modalities in panic disorder (PD). This disorder has been consistently associated to the joint hypermobility syndrome (JHS). In non-clinical samples, this collagen alteration has been also related to an enhanced sensitivity in some sensorial modalities. The main aim of this study is to explore the olfactory functioning in PD in relation to JHS. Sixty patients with PD and sixty healthy controls performed the Sniffin' Sticks Test (SST) (threshold subtest), and completed the Affective Impact of Odors scale (AIO), the Relational Scale of Olfaction (EROL), and the Odor Awareness Scale (OAS)...
September 11, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28923320/effect-of-water-on-the-chemical-stability-of-amorphous-pharmaceuticals-2-deamidation-of-peptides-and-proteins
#6
Satoshi Ohtake, Shaoxin Feng, Evgenyi Shalaev
Role of water in chemical (in)stability is revisited, with focus on deamidation in freeze-dried amorphous proteins and peptides. Two distinct patterns for deamidation vs. water have been reported, i.e., a consistent increase in rate constant with water, and a "hockey stick"-type behavior. For the latter, deamidation is essentially independent of water at lower water contents, and accelerates when water content increases above a threshold value. Two simple kinetic models are developed to analyze literature-reported relationships between water content and deamidation rate constants...
September 15, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28921759/a-pedagogical-framework-for-facilitating-parents-learning-in-nurse-parent-partnership
#7
Nick Hopwood, Teena Clerke, Anne Nguyen
Nursing work increasingly demands forms of expertise that complement specialist knowledge. In child and family nursing, this need arises when nurses work in partnership with parents of young children at risk. Partnership means working with parents in respectful, negotiated and empowering ways. Existing partnership literature emphasises communicative and relational skills, but this paper focuses on nurses' capacities to facilitate parents' learning. Referring to data from home visiting, day-stay and specialist toddler clinic services in Sydney, a pedagogical framework is presented...
September 17, 2017: Nursing Inquiry
https://www.readbyqxmd.com/read/28921710/non-stick-properties-of-thin-film-coatings-on-dental-restorative-instruments
#8
Jarmo Leppäniemi, Sasha Hoshian, Kimmo Suomalainen, Toni Luoto, Ville Jokinen, Jari Koskinen
The non-stick properties of thin-film coatings on dental-restorative instruments were investigated by static contact-angle measurement using dental filler resin as well as by scanning electron microscopy of the amount of sticking dental restorative material. Furthermore, using a customized dipping measurement set-up, non-stick properties were evaluated by measuring force-by-time when the instrument was pulled out of restorative material. Minor improvements in non-stick properties were obtained with commercial diamond-like carbon and commercial polytetrafluoroethylene-based coatings...
September 18, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28919173/trigeminal-system-in-parkinson-s-disease-a-potential-avenue-to-detect-parkinson-specific-olfactory-dysfunction
#9
Cécilia Tremblay, Pascali Durand Martel, Johannes Frasnelli
BACKGROUND: Olfactory dysfunction (OD) is very frequent in Parkinson's disease (PD) and observed years before diagnosis. The trigeminal system, a chemosensory system allowing for the perception of spiciness, freshness, etc., is intimately connected to the olfactory system and although usually reduced in OD the trigeminal system is not well characterized in PD. We hypothesize that measuring trigeminal sensitivity potentially allows to discriminate between OD due to PD and OD due to other causes to potentially help the development of an early diagnostic tool...
September 11, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28918916/olfactory-deficits-decrease-the-time-resolution-for-trigeminal-lateralization
#10
A Oleszkiewicz, T Meusel, M Güpfert, B Westermann, T Hummel, A Welge-Lüssen
OBJECTIVES: To date the temporal resolution of the detection of almost simultaneously applied intranasal trigeminal stimuli is unknown. The aim of our study was to examine this temporal resolution in an/hyposmic subjects, who are known to have reduced trigeminal sensitivity and compare it with healthy controls. METHODS: Participants were 20 posttraumatic an/hyposmic patients, and 23 healthy controls (matched with regard to sex and age). Olfactory function was tested psychophysically using the Sniffin´ Sticks test battery...
September 15, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28918649/characterizing-verified-head-impacts-in-high-school-girls-lacrosse
#11
Shane V Caswell, Andrew E Lincoln, Hannah Stone, Patricia Kelshaw, Margot Putukian, Lisa Hepburn, Michael Higgins, Nelson Cortes
BACKGROUND: Girls' high school lacrosse players have higher rates of head and facial injuries than boys. Research indicates that these injuries are caused by stick, player, and ball contacts. Yet, no studies have characterized head impacts in girls' high school lacrosse. PURPOSE: To characterize girls' high school lacrosse game-related impacts by frequency, magnitude, mechanism, player position, and game situation. STUDY DESIGN: Descriptive epidemiology study...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28917795/portable-near-infrared-spectroscopy-applied-to-quality-control-of-brazilian-coffee
#12
Radigya M Correia, Flavia Tosato, Eloilson Domingos, Rayza R T Rodrigues, Luiz Felipe M Aquino, Paulo R Filgueiras, Valdemar Lacerda, Wanderson Romão
The use of portable micro-spectrometers such as a micro near infrared region (microNIR) spectrometer is a promising technique for solving analytical problems in several areas of science. This work evaluated the potential of microNIR in quality control of Arabica coffee. Arabica coffee has a high commercial value product, motivating the development of analytical methods with high sensitivity and accuracy for detection of its adulteration. Herein, microNIR was successfully used to determine the quality of Arabica coffee by identification and quantification of adulterations such as Robusta coffee (in different roasting levels), as well as corn, peels, and sticks...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28915263/universal-representations-of-evaporation-modes-in-sessile-droplets
#13
Angkur Jyoti Dipanka Shaikeea, Saptarshi Basu, Abhishek Tyagi, Saksham Sharma, Rishabh Hans, Lalit Bansal
In this work, we provide a simple method to represent the contact line dynamics of an evaporating sessile droplet. As a droplet evaporates, two distinct contact line dynamics are observed. They are collectively known as modes of evaporation, namely Constant Contact Radius (CCR) and Constant Contact Angle (CCA). Another intermediate mode-Stick-Slide (SS) or mixed mode is also commonly observed. In this article, we are able to provide a graphical representation to these modes (named as MOE plot), which is visually more comprehensive especially for comparative studies...
2017: PloS One
https://www.readbyqxmd.com/read/28913736/ptfe-coated-non-stick-cookware-and-toxicity-concerns-a-perspective
#14
Muhammad Sajid, Muhammad Ilyas
PTFE is used as an inner coating material in non-stick cookware. This unique polymer coating prevents food from sticking in the pans during the cooking process. Such cookware is also easy to wash. At normal cooking temperatures, PTFE-coated cookware releases various gases and chemicals that present mild to severe toxicity. Only few studies describe the toxicity of PTFE but without solid conclusions. The toxicity and fate of ingested PTFE coatings are also not understood. Moreover, the emerging, persistent, and well-known toxic environmental pollutant PFOA is also used in the synthesis of PTFA...
September 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28913514/the-incidence-of-needle-stick-and-sharp-injuries-and-their-associations-with-visual-function-among-hospital-nurses
#15
Mohammad Ghasemi, Mehdi Khabazkhoob, Hassan Hashemi, Abbasali Yekta, Payam Nabovati
PURPOSE: To determine the one-year incidence of needle stick and sharp injuries (NSIs and SIs) and their associations with visual function among Iranian nurses. METHODS: In this cross-sectional study, 278 nurses working at one hospital were selected through stratified random sampling. After applying the exclusion criteria, the final analysis was performed on the data of 267 nurses. The data of occupational injuries were collected through a researcher-administered questionnaire...
September 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28913314/olfactory-dysfunction-in-nasal-bone-fracture
#16
Sug Won Kim, Beom Park, Tae Geun Lee, Ji Ye Kim
BACKGROUND: All nasal bone fractures have the potential for worsening of olfactory function. However, few studies have studied the olfactory outcomes following reduction of nasal bone fractures. This study evaluates posttraumatic olfactory dysfunction in patients with nasal bone fracture before and after closed reduction. METHODS: A prospective study was conducted for all patients presenting with nasal bone fracture (n=97). Each patient consenting to the study underwent the Korean version of Sniffin' Sticks test (KVSS II) before operation and at 6 month after closed reduction...
June 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28912630/inter-tester-reliability-of-selected-clinical-tests-for-long-lasting-temporomandibular-disorders
#17
Elisabeth Heggem Julsvoll, Nina Køpke Vøllestad, Gro Opseth, Hilde Stendal Robinson
OBJECTIVE: Clinical tests used to examine patients with temporomandibular disorders vary in methodological quality, and some are not tested for reliability. The purpose of this cross-sectional study was to evaluate inter-tester reliability of clinical tests and a cluster of tests used to examine patients with long-lasting temporomandibular disorders. METHODS: Forty patients with pain in the temporomandibular area treated by health-professionals were included. They were between 18-70 years, had 65 symptomatic (33 right/32 left) and 15 asymptomatic joints...
September 2017: Journal of Manual & Manipulative Therapy
https://www.readbyqxmd.com/read/28912550/calcium-mediated-adhesion-of-nanomaterials-in-reservoir-fluids
#18
Shannon L Eichmann, Nancy A Burnham
Globally, a small percentage of oil is recovered from reservoirs using primary and secondary recovery mechanisms, and thus a major focus of the oil industry is toward developing new technologies to increase recovery. Many new technologies utilize surfactants, macromolecules, and even nanoparticles, which are difficult to deploy in harsh reservoir conditions and where failures cause material aggregation and sticking to rock surfaces. To combat these issues, typically material properties are adjusted, but recent studies show that adjusting the dispersing fluid chemistry could have significant impact on material survivability...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28904914/novel-cardiovascular-risk-markers-in-nigerian-cigarette-smokers
#19
Godwin O Adunmo, AbdulFatah Ayoade Adesokan, Olufemi Olumuyiwa Desalu, Sikiru Abayomi Biliaminu, Eyitayo O Adunmo
BACKGROUND: Cardiovascular disease (CVD) is the leading cause of mortality and morbidity worldwide. While the effect of cigarette smoking on conventional markers that account for <50% of CVD s has been well studied, there are only a few studies on the effect of cigarette smoking on novel cardiovascular (CV) risk markers. OBJECTIVE: To evaluate the effect of cigarette smoking on the novel CV markers such as homocysteine (HCY), lipoprotein (a) (Lp(a)), and C-reactive protein (CRP)...
July 2017: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/28904259/prevalence-and-risk-factors-of-needle-stick-and-sharp-injury-among-tertiary-hospital-workers-vientiane-lao-pdr
#20
Chieko Matsubara, Kayako Sakisaka, Vanphanom Sychareun, Alongkone Phensavanh, Moazzam Ali
ObjectivesHealth care workers (HCWs) face risks of needle stick and sharp injuries (NSIs). Most NSIs occur in developing countries, however, no epidemiological study on NSIs is publicly available in Lao PDR. The objective of this study is to identify the prevalence and risk factors of NSIs among HCWs in Lao PDR.MethodsThis cross-sectional study was designed to determine the prevalence and risk factors of NSIs among four tertiary hospitals in Vientiane, Lao People's Democratic Republic.ResultsSix months before the survey, 11...
September 13, 2017: Journal of Occupational Health
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