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https://www.readbyqxmd.com/read/28545418/maternal-child-co-participation-in-physical-activity-related-behaviours-prevalence-and-cross-sectional-associations-with-mothers-and-children-s-objectively-assessed-physical-activity-levels
#1
Jill A Hnatiuk, Ellen DeDecker, Kylie D Hesketh, Greet Cardon
BACKGROUND: Co-participation in physical activity may be a useful strategy for increasing physical activity in mothers and their young children, yet little empirical evidence exists on this topic for young families. This study aimed to identify the prevalence of mother-child co-participation in physical activity and examine the association between co-participatory behaviours and objectively-assessed physical activity in young children and their mothers. METHODS: One-hundred twenty-three 4-6 year-old children and their mothers were recruited from preschools in Belgium between November 2010 and January 2011...
May 25, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28526259/the-impact-of-daytime-light-exposures-on-sleep-and-mood-in-office-workers
#2
Mariana G Figueiro, Bryan Steverson, Judith Heerwagen, Kevin Kampschroer, Claudia M Hunter, Kassandra Gonzales, Barbara Plitnick, Mark S Rea
BACKGROUND: By affecting the internal timing mechanisms of the brain, light regulates human physiology and behavior, perhaps most notably the sleep-wake cycle. Humans spend over 90% of their waking hours indoors, yet light in the built environment is not designed to affect circadian rhythms. OBJECTIVE: Using a device calibrated to measure light that is effective for the circadian system (circadian-effective light), collect personal light exposures in office workers and relate them to their sleep and mood...
June 2017: Sleep Health
https://www.readbyqxmd.com/read/28485953/galvanostatic-rejuvenation-of-electrochromic-wo3-thin-films-ion-trapping-and-detrapping-observed-by-optical-measurements-and-by-time-of-flight-secondary-ion-mass-spectrometry
#3
Bill Baloukas, Miguel A Arvizu, Rui-Tao Wen, Gunnar A Niklasson, Claes G Granqvist, Richard Vernhes, Jolanta E Klemberg-Sapieha, Ludvik Martinu
Electrochromic (EC) smart windows are able to decrease our energy footprint while enhancing indoor comfort and convenience. However, the limited durability of these windows, as well as their cost, result in hampered market introduction. Here, we investigate thin films of the most widely studied EC material, WO3. Specifically, we combine optical measurements (using spectrophotometry in conjunction with variable-angle spectroscopic ellipsometry) with time-of-flight secondary ion mass spectrometry and atomic force microscopy...
May 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28480687/effects-of-age-sex-sweat-rate-and-environmental-conditions-on-heart-rate-and-perceived-exertion-in-indoor-cycling
#4
Carlos Barbado, Davinia Vicente-Campos, José Lopez-Chicharro
BACKGROUND: Indoor cycling sessions are usually guided by heart rate (HR) and rating of perceived exertion (RPE). This study was designed to examine the effects of sex, age, previous experience, use of a HR monitor, estimated sweat rate and room temperature and humidity increases on HR and RPE during indoor cycling sessions. METHODS: Measurements were made in 39 sessions performed by 300 experienced subjects. Sweat rate was categorized as SR1 ≥ 750, SR2 = 400-749 and SR3 < 400 ml; temperature increase as T1 ≤ 0...
May 5, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28447292/ecology-of-the-human-opportunistic-black-yeast-exophiala-dermatitidis-indicates-preference-for-human-made-habitats
#5
Monika Novak Babič, Jerneja Zupančič, Nina Gunde-Cimerman, Sybren de Hoog, Polona Zalar
Exophiala dermatitidis is an ascomycetous black yeast from the order Chaetothyriales. Its growth characteristics include the polymorphic life cycle, ability to grow at high and low temperatures, at a wide pH range, survival at high concentrations of NaCl, and survival at high UV and radioactive radiation. Exophiala dermatitidis causes deep or localized phaeohyphomycosis in immuno-compromised people worldwide and is regularly encountered in the lungs of cystic fibrosis patients. Regardless of numerous ecological studies worldwide, little is known about its natural habitat or the possible infection routes...
April 26, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28420133/using-dimensionality-reduction-techniques-for-refining-passive-indoor-positioning-systems-based-on-radio-fingerprinting
#6
Pedro E Lopez-de-Teruel, Oscar Canovas, Felix J Garcia
Indoor positioning methods based on fingerprinting and radio signals rely on the quality of the radio map. For example, for room-level classification purposes, it is required that the signal observations related to each room exhibit significant differences in their RSSI values. However, it is difficult to verify and visualize that separability since radio maps are constituted by multi-dimensional observations whose dimension is directly related to the number of access points or monitors being employed for localization purposes...
April 15, 2017: Sensors
https://www.readbyqxmd.com/read/28398944/alpine-skiing-as-winter-time-high-intensity-training
#7
Thomas Stöggl, Christoph Schwarzl, Edith E Müller, Masaru Nagasaki, Julia Stöggl, Martin Schönfelder, Josef Niebauer
INTRODUCTION: To counteract the winter activity deficit, we set out to analyze cardiorespiratory and metabolic responses of two high intensity training (HIT) protocols during alpine skiing (AS), cross-country skiing (XCS) and indoor cycling (IC) and the effects of sex, age and fitness level in this comparison. METHODS: Nineteen healthy subjects (two age and fitness groups, both sexes) performed AS, XCS, and IC with measurements of oxygen uptake (VO2), energy expenditure (EE), heart rate (HR), lactate, blood glucose and rate of perceived exertion, determined during 4-min of continuous high intensity (HITc: 90% HRmax for XCS and IC or short turn skiing during AS) or 10-min intermittent HIT [HITint: 5x1' high intensity (>90% HRmax or short turn skiing), 1' active recovery]...
April 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28367676/are-individual-differences-in-sleep-and-circadian-timing-amplified-by-use-of-artificial-light-sources
#8
Krithika Swaminathan, Elizabeth B Klerman, Andrew J K Phillips
Within the human population, there is large interindividual variability in the timing of sleep and circadian rhythms. This variability has been attributed to individual differences in sleep physiology, circadian physiology, and/or light exposure. Recent experimental evidence suggests that the latter is necessary to evoke large interindividual differences in sleep and circadian timing. We used a validated model of human sleep and circadian physiology to test the hypothesis that intrinsic differences in sleep and circadian timing are amplified by self-selected use of artificial light sources...
April 2017: Journal of Biological Rhythms
https://www.readbyqxmd.com/read/28366622/chronobiological-studies-on-body-search-oviposition-and-emergence-of-megaselia-scalaris-diptera-phoridae-in-controlled-conditions
#9
Esta Bostock, Edward W Green, Charalambos P Kyriacou, Stefano Vanin
Circadian clocks have evolved to synchronize physiology, metabolism and behaviour to the 24-h geophysical cycles of the Earth. Understanding the circadian clock mechanism could play an important role in forensic entomology because it temporally gates behaviour such as locomotor activities, feeding, mating, egg laying and adult emergence which could provide useful information for crime reconstruction. The scuttle fly Megaselia scalaris colonises both exposed and buried bodies, whether indoors or outdoors. Locomotor activity, oviposition and adult emergence of this species have been investigated using technologies employed in many previous Drosophila circadian studies...
March 18, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28353680/a-self-sustained-wireless-multi-sensor-platform-integrated-with-printable-organic-sensors-for-indoor-environmental-monitoring
#10
Chun-Chang Wu, Wen-Yu Chuang, Ching-Da Wu, Yu-Cheng Su, Yung-Yang Huang, Yang-Jing Huang, Sheng-Yu Peng, Shih-An Yu, Chih-Ting Lin, Shey-Shi Lu
A self-sustained multi-sensor platform for indoor environmental monitoring is proposed in this paper. To reduce the cost and power consumption of the sensing platform, in the developed platform, organic materials of PEDOT:PSS and PEDOT:PSS/EB-PANI are used as the sensing films for humidity and CO₂ detection, respectively. Different from traditional gas sensors, these organic sensing films can operate at room temperature without heating processes or infrared transceivers so that the power consumption of the developed humidity and the CO₂ sensors can be as low as 10 μW and 5 μW, respectively...
March 29, 2017: Sensors
https://www.readbyqxmd.com/read/28338797/an-estimation-of-the-exposure-of-the-population-of-israel-to-natural-sources-of-ionizing-radiation
#11
L Epstein, J Koch, T Riemer, G Haquin, I Orion
The radiation dose to the population of Israel due to exposure to natural sources of ionizing radiation was assessed. The main contributor to the dose is radon that accounts for 60% of the exposure to natural sources. The dose due to radon inhalation was assessed by combining the results of a radon survey in single-family houses with the results of a survey in apartments in multi-storey buildings. The average annual dose due to radon inhalation was found to be 1.2 mSv. The dose rate due to exposure to cosmic radiation was assessed using a code that calculates the dose rate at different heights above sea level, taking into account the solar cycle...
February 18, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28257531/prevalence-of-indoor-tanning-and-association-with-sunburn-among-youth-in-the-united-states
#12
Gery P Guy, Zahava Berkowitz, Sherry Everett Jones, Meg Watson, Lisa C Richardson
Importance: Indoor tanning and sunburns, particularly during adolescence and young adulthood, increase the risk of developing skin cancer. Objective: To examine the trends in the prevalence of indoor tanning and the association between indoor tanning and sunburn among US high school students. Design, Setting, and Participants: This study pooled and examined cross-sectional data from the 2009, 2011, 2013, and 2015 national Youth Risk Behavior Survey...
March 3, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28208591/fusion-of-inertial-magnetic-sensor-measurements-and-map-information-for-pedestrian-tracking
#13
Shu-Di Bao, Xiao-Li Meng, Wendong Xiao, Zhi-Qiang Zhang
The wearable inertial/magnetic sensor based human motion analysis plays an important role in many biomedical applications, such as physical therapy, gait analysis and rehabilitation. One of the main challenges for the lower body bio-motion analysis is how to reliably provide position estimations of human subject during walking. In this paper, we propose a particle filter based human position estimation method using a foot-mounted inertial and magnetic sensor module, which not only uses the traditional zero velocity update (ZUPT), but also applies map information to further correct the acceleration double integration drift and thus improve estimation accuracy...
February 10, 2017: Sensors
https://www.readbyqxmd.com/read/28187779/bio-efficacy-of-deltamethrin-based-durable-wall-lining-against-wild-populations-of-anopheles-gambiae-s-l-in-northern-tanzania
#14
Eliningaya J Kweka, Ming-Chieh Lee, Beda J Mwang'onde, Filemoni Tenu, Stephen Munga, Epiphania E Kimaro, Yousif E Himeidan
BACKGROUND: Indoor residual spraying (IRS) is one of the preferred tools used for control of malaria in many settings in the world. However, this control tool still faces challenges that include lack of long lasting active ingredient, limited number of well-trained personal, and need of repeated treatment which increases operational costs and reduces acceptability by residents. As a result there is need to develop and validate other methods which can complement the existing controls. The current study compared the bio-efficacy of durable wall lining (DL) (treated with deltamethrin 265 mg/m(2)) and IRS (with deltamethrin 5% WP at 20 mg/m(2)) on indoor mosquitoes densities and biting behaviour of mosquitoes in comparison with control houses without either DL or IRS...
February 10, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28185805/comparison-of-energy-expenditure-and-heart-rate-responses-between-three-commercial-group-fitness-classes
#15
James B Wickham, Nicholas J Mullen, Douglas G Whyte, Jack Cannon
OBJECTIVES: The objectives of this study were to compare the energy expenditure and heart rate responses between three commercial group fitness classes (group resistance exercise [PUMP]; indoor stationary cycling [RIDE]; and step aerobics [STEP]). DESIGN: One-Way Repeated Measures incorporating a Latin Square Design for class randomisation. METHODS: Ten participants (5 males and 5 females) completed each group fitness class in random order with energy expenditure and heart rate determined using an Actiheart monitor...
January 24, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28143613/how-can-information-systems-provide-support-to-nurses-hand-hygiene-performance-using-gamification-and-indoor-location-to-improve-hand-hygiene-awareness-and-reduce-hospital-infections
#16
Rita Marques, João Gregório, Fernando Pinheiro, Pedro Póvoa, Miguel Mira da Silva, Luís Velez Lapão
BACKGROUND: Hospital-acquired infections are still amongst the major problems health systems are facing. Their occurrence can lead to higher morbidity and mortality rates, increased length of hospital stay, and higher costs for both hospital and patients. Performing hand hygiene is a simple and inexpensive prevention measure, but healthcare workers' compliance with it is often far from ideal. To raise awareness regarding hand hygiene compliance, individual behaviour change and performance optimization, we aimed to develop a gamification solution that collects data and provides real-time feedback accurately in a fun and engaging way...
January 31, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28125546/the-effect-of-pumping-and-nonpumping-techniques-on-velocity-production-and-muscle-activity-during-field-based-bmx-cycling
#17
Lee P Rylands, Howard T Hurst, Simon J Roberts, Robert W Graydon
Rylands, LP, Hurst, HT, Roberts, SJ, and Graydon, RW. The effect of "pumping" and "nonpumping" techniques on velocity production and muscle activity during field-based BMX cycling. J Strength Cond Res 31(2): 445-450, 2017-The aim of the current study was to determine if a technique called "pumping" had a significant effect on velocity production in Bicycle Motocross (BMX) cycling. Ten National standard male BMX riders fitted with surface electromyography (sEMG) sensors completed a timed lap of an indoor BMX track using the technique of pumping, and a lap without pumping...
February 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28113242/a-novel-method-for-continuous-non-invasive-cuff-less-measurement-of-blood-pressure-evaluation-in-patients-with-non-alcoholic-fatty-liver-disease
#18
Trine Seeberg, James Orr, Hanne Austad, Morten Roed, Steffen Dalgard, David Houghton, David Jones, Frode Strisland
OBJECTIVE: One promising approach for a continuous, non-invasive, cuff-less ambulatory BP monitor is to measure the pulse wave velocity or the inversely proportional pulse transit time (PTT), based on electrical and optical physiological measurements in the chest area. A device termed IsenseU-BP+ has been developed for measuring continuous BP, as well as other physiological data. The objective of this paper is to present results from the first clinical evaluation with a wide range of patients...
September 12, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28091570/increasing-the-potential-for-malaria-elimination-by-targeting-zoophilic-vectors
#19
Jessica L Waite, Sunita Swain, Penelope A Lynch, S K Sharma, Mohammed Asrarul Haque, Jacqui Montgomery, Matthew B Thomas
Countries in the Asia Pacific region aim to eliminate malaria by 2030. A cornerstone of malaria elimination is the effective management of Anopheles mosquito vectors. Current control tools such as insecticide treated nets or indoor residual sprays target mosquitoes in human dwellings. We find in a high transmission region in India, malaria vector populations show a high propensity to feed on livestock (cattle) and rest in outdoor structures such as cattle shelters. We also find evidence for a shift in vector species complex towards increased zoophilic behavior in recent years...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28031349/modeling-the-response-of-anopheles-gambiae-diptera-culicidae-populations-in-the-kenya-highlands-to-a-rise-in-mean-annual-temperature
#20
Dorothy Wallace, Olivia Prosper, Jacob Savos, Ann M Dunham, Jonathan W Chipman, Xun Shi, Bryson Ndenga, Andrew Githeko
A dynamical model of Anopheles gambiae larval and adult populations is constructed that matches temperature-dependent maturation times and mortality measured experimentally as well as larval instar and adult mosquito emergence data from field studies in the Kenya Highlands. Spectral classification of high-resolution satellite imagery is used to estimate household density. Indoor resting densities collected over a period of one year combined with predictions of the dynamical model give estimates of both aquatic habitat and total adult mosquito densities...
March 1, 2017: Journal of Medical Entomology
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