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https://www.readbyqxmd.com/read/29234917/cardiovascular-and-metabolic-responses-during-indoor-climbing-and-laboratory-cycling-exercise-in-advanced-and-%C3%A3-lite-climbers
#1
Eloisa Limonta, Alfredo Brighenti, Susanna Rampichini, Emiliano Cè, Federico Schena, Fabio Esposito
PURPOSE: To validate heart rate (f H) as an effective indicator of the aerobic demands of climbing, the f H vs oxygen uptake ([Formula: see text]) relationship determined during cycling exercise and climbing on a circular climbing treadwall was compared. Possible differences in maximum aerobic characteristics between advanced and élite climbers were also assessed. METHODS: Seven advanced and six élite climbers performed a discontinuous incremental test on a cycle ergometer and a similar test on a climbing treadwall...
December 12, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29198522/role-of-compostable-tableware-in-food-service-and-waste-management-a-life-cycle-assessment-study
#2
Maurizio Fieschi, Ugo Pretato
It is estimated that in Europe 88-100 million tonnes of food waste are generated every year, with a Global Warming Potential (GWP) of around 227 MT of CO2 equivalents generated for their collection and disposal. A 12% of this waste is estimated to arise from food service within the hospitality sector, which includes quick service restaurants, casual and fine dining, contract catering (canteens, prisons, hospitals, schools etc.) as well as indoor and outdoor events and exhibitions. Given this considerable amount and that the mixed unsorted collection is often the only practicable way to handle such waste flows, the choice of tableware and cutlery can make a big difference in facilitating waste collection as well as in reducing the overall environmental impact of food waste management...
November 30, 2017: Waste Management
https://www.readbyqxmd.com/read/29194440/attacking-the-mosquito-on-multiple-fronts-insights-from-the-vector-control-optimization-model-vcom-for-malaria-elimination
#3
Samson S Kiware, Nakul Chitnis, Allison Tatarsky, Sean Wu, Héctor Manuel Sánchez Castellanos, Roly Gosling, David Smith, John M Marshall
BACKGROUND: Despite great achievements by insecticide-treated nets (ITNs) and indoor residual spraying (IRS) in reducing malaria transmission, it is unlikely these tools will be sufficient to eliminate malaria transmission on their own in many settings today. Fortunately, field experiments indicate that there are many promising vector control interventions that can be used to complement ITNs and/or IRS by targeting a wide range of biological and environmental mosquito resources. The majority of these experiments were performed to test a single vector control intervention in isolation; however, there is growing evidence and consensus that effective vector control with the goal of malaria elimination will require a combination of interventions...
2017: PloS One
https://www.readbyqxmd.com/read/29194186/the-impact-of-different-cross-training-modalities-on-performance-and-injury-related-variables-in-high-school-cross-country-runners
#4
Max R Paquette, Shelby A Peel, Ross E Smith, Mark Temme, Jeffrey N Dwyer
There are many different types of aerobic cross-training modalities currently available. It is important to consider the effects that these different modalities have on running performance and injury risks. The purpose of this study was to compare movement quality, running economy and performance, injury-related biomechanical variables and, hip muscle strength before and after training with different cross-training modalities in high school runners. Thirty-one high school male runners trained for four weeks in one of three cross-training modalities, in addition to a running-only (RUN, n=9) group, for which training sessions replaced two easy runs per week: cycling (CYCLE; n=6), indoor elliptical (ELLIP; n=7) and, outdoor elliptical bike (EBIKE; n=9)...
November 29, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29182415/validity-and-reliability-of-the-cycleops-hammer-cycle-ergometer
#5
José R Lillo-Bevia, Jesús G Pallarés
PURPOSE: To validate the new drive indoor trainer Hammer designed by Cycleops®. METHODS: Eleven cyclists performed 44 randomized and counterbalanced graded exercise tests (100-500W), at 70, 85 and 100 rev.min-1 cadences, in seated and standing positions, on 3 different Hammer units, while a scientific SRM system continuously recorded cadence and power output data. RESULTS: No significant differences were detected between the three Hammer devices and the SRM for any workload, cadence, or pedalling condition (P value between 1...
November 28, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29168902/an-in-situ-thermally-regenerated-air-purifier-for-indoor-formaldehyde-removal
#6
Ru Xiao, Jinhan Mo, Yinping Zhang, Dewen Gao
Formaldehyde is a common indoor pollutant that is an irritant and has been classified as carcinogen to humans. Adsorption technology is safe and stable and removes formaldehyde efficiently, but its short lifespan and low adsorption capacity limit its indoor application. To overcome these limitations, we propose an in-situ thermally regenerated air purifier (TRAP) which self-regenerates as needed. This purifier has four working modes: cleaning mode, regeneration mode, exhaust mode and outdoor air in-take mode, all of which are operated by valve switching...
November 23, 2017: Indoor Air
https://www.readbyqxmd.com/read/29128419/tramadol-effects-on-physical-performance-and-sustained-attention-during-a-20-min-indoor-cycling-time-trial-a-randomised-controlled-trial
#7
Darías Holgado, Thomas Zandonai, Mikel Zabala, James Hopker, Pandelis Perakakis, Antonio Luque-Casado, Luis Ciria, Eduardo Guerra-Hernandez, Daniel Sanabria
OBJECTIVES: To investigate the effect of tramadol on performance during a 20-min cycling time-trial (Experiment 1), and to test whether sustained attention would be impaired during cycling after tramadol intake (Experiment 2). DESIGN: Randomized, double-blind, placebo controlled trial. METHODS: In Experiment 1, participants completed a cycling time-trial, 120-min after they ingested either tramadol or placebo. In Experiment 2, participants performed a visual oddball task during the time-trial...
November 7, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29121873/barriers-to-hpv-self-sampling-and-cytology-among-low-income-indigenous-women-in-rural-areas-of-a-middle-income-setting-a-qualitative-study
#8
Betania Allen-Leigh, Patricia Uribe-Zúñiga, Leith León-Maldonado, Brandon J Brown, Attila Lörincz, Jorge Salmeron, Eduardo Lazcano-Ponce
BACKGROUND: Data is needed about barriers to self-collection of Human Papillomavirus (HPV) samples and cytology among low-income, disadvantaged women living in rural areas of lower-income countries as these women are at increased risk of cervical cancer mortality. METHODS: Individual interviews (n = 29), focus groups (n = 7, 5-11 participants) and discussion groups (n = 2, 18-25 participants) were organized with women from three indigenous ethnic groups residing in rural areas in Mexico, after they were provided with free, self-sampled HPV tests...
November 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29083115/an-update-on-environmental-mastitis-challenging-perceptions
#9
I C Klaas, R N Zadoks
Environmental mastitis is the most common and costly form of mastitis in modern dairy herds where contagious transmission of intramammary pathogens is controlled through implementation of standard mastitis prevention programmes. Environmental mastitis can be caused by a wide range of bacterial species, and binary classification of species as contagious or environmental is misleading, particularly for Staphylococcus aureus, Streptococcus uberis and other streptococcal species, including Streptococcus agalactiae...
October 30, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29082079/robust-tracking-of-respiratory-rate-in-high-dynamic-range-scenes-using-mobile-thermal-imaging
#10
Youngjun Cho, Simon J Julier, Nicolai Marquardt, Nadia Bianchi-Berthouze
The ability to monitor the respiratory rate, one of the vital signs, is extremely important for the medical treatment, healthcare and fitness sectors. In many situations, mobile methods, which allow users to undertake everyday activities, are required. However, current monitoring systems can be obtrusive, requiring users to wear respiration belts or nasal probes. Alternatively, contactless digital image sensor based remote-photoplethysmography (PPG) can be used. However, remote PPG requires an ambient source of light, and does not work properly in dark places or under varying lighting conditions...
October 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/29080527/health-impact-assessment-from-building-life-cycles-and-trace-metals-in-coarse-particulate-matter-in-urban-office-environments
#11
Murnira Othman, Mohd Talib Latif, Ahmad Fariz Mohamed
This study intends to determine the health impacts from two office life cycles (St.1 and St.2) using life cycle assessment (LCA) and health risk assessment of indoor metals in coarse particulates (particulate matter with diameters of less than 10µm). The first building (St.1) is located in the city centre and the second building (St.2) is located within a new development 7km away from the city centre. All life cycle stages are considered and was analysed using SimaPro software. The trace metal concentrations were determined by inductively couple plasma-mass spectrometry (ICP-MS)...
October 25, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29076960/effects-of-combined-strength-and-endurance-training-on-physical-performance-and-biomarkers-of-healthy-young-women
#12
Heikki KyrÖlÄinen, Anthony C Hackney, Riikka Salminen, Johanna Repola, Keijo HÄkkinen, Jari Haimi
Cardiovascular fitness has decreased and obesity has increased in youth-adults world-wide during the last ten years. Therefore, there is an urgent need to find out optimal exercise training programs for improving physical performance and health outcomes, especially, among sedentary women. Subjects were 25-30-year-old females with very low physical activity, and 65 % of them were overweight (BMI >25). They performed endurance and strength training three times a week for nine weeks. Independent strength training and instructed endurance training by indoor cycling were prescribed...
October 20, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28902109/validity-and-reliability-of-the-stages-cycling-power-meter
#13
Cyril Granier, Christophe Hausswirth, Sylvain Dorel, Le Meur Yann
PURPOSE: This study aimed to determine the validity and the reliability of the Stages power meter crank system (Boulder, United States) during several laboratory cycling tasks. METHODS: Eleven trained participants completed laboratory cycling trials on an indoor cycle fitted with SRM Professional and Stages systems. The trials consisted of an incremental test at 100W, 200W, 300W, 400W and four 7s sprints. The level of pedaling asymmetry was determined for each cycling intensity during a similar protocol completed on a Lode Excalibur Sport ergometer...
September 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28874722/ameliorative-effects-of-melatonin-on-dark-induced-leaf-senescence-in-gardenia-gardenia-jasminoides-ellis-leaf-morphology-anatomy-physiology-and-transcriptome
#14
Daqiu Zhao, Rong Wang, Jiasong Meng, Zhiyuan Li, Yanqing Wu, Jun Tao
Cut gardenia (Gardenia jasminoides Ellis) foliage is widely used as a vase material or flower bouquet indoors; however, insufficient indoor light accelerates its senescence, which shortens its viewing time. In this study, applying melatonin to delay gardenia leaf senescence when exposed to extremely low light condition (darkness), and the results showed that 1.0 mM was the effective concentration. At this concentration, chlorophyll contents and chlorophyll fluorescence parameters (Fv/Fm, Fv/F0 and Y(II)) increased, while the carotenoid and flavonoid contents decreased...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28872380/optimizing-heat-acclimation-for-endurance-athletes-high-vs-low-intensity-training
#15
Cyril Schmit, Rob Duffield, Christophe Hausswirth, Jeanick Brisswalter, Yann Le Meur
PURPOSE: We sought to determine the effect of high- vs. low-intensity training in the heat and ensuing taper period in the heat on endurance performance. METHODS: Nineteen well-trained triathletes undertook 5 days of normal training and a 1-week taper, including either low- (HA-L, n=10) or high-intensity (HA-H, n=9) training sessions in the heat (30°C, 50% of relative humidity). A control group (n=10) reproduced their usual training in thermoneutral conditions...
September 5, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28836752/highly-flexible-multipixelated-thermosensitive-smart-windows-made-of-tough-hydrogels
#16
Thanh-Giang La, Xinda Li, Amit Kumar, Yiyang Fu, Shu Yang, Hyun-Joong Chung
In a cold night, a clear window that will become opaque while retaining the indoor heat is highly desirable for both privacy and energy efficiency. A thermally responsive material that controls both the transmittance of solar radiance (predominantly in the visible and near-infrared wavelengths) and blackbody radiation (mainly in the mid-infrared) can realize such windows with minimal energy consumption. Here, we report a smart coating made from polyampholyte hydrogel (PAH) that transforms from a transparency state to opacity to visible radiation and strengthens opacity to mid-infrared when lowering the temperature as a result of phase separation between the water-rich and polymer-rich phases...
September 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28810512/co-digestion-of-rice-straw-and-cow-dung-to-supply-cooking-fuel-and-fertilizers-in-rural-india-impact-on-human-health-resource-flows-and-climate-change
#17
Sophie Sfez, Steven De Meester, Jo Dewulf
Anaerobic digestion of cow dung with new feedstock such as crop residues to increase the biogas potential is an option to help overcoming several issues faced by India. Anaerobic digestion provides biogas that can replace biomass cooking fuels and reduce indoor air pollution. It also provides digestate, a fertilizer that can contribute to compensate nutrient shortage on agricultural land. Moreover, it avoids the burning of rice straw in the fields which contributes to air pollution in India and climate change globally...
December 31, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28809104/large-scale-multifunctional-electrochromic-energy-storage-device-based-on-tungsten-trioxide-monohydrate-nanosheets-and-prussian-white
#18
Zhijie Bi, Xiaomin Li, Yongbo Chen, Xiaoli He, Xiaoke Xu, Xiangdong Gao
A high-performance electrochromic-energy storage device (EESD) is developed, which successfully realizes the multifunctional combination of electrochromism and energy storage by constructing tungsten trioxide monohydrate (WO3·H2O) nanosheets and Prussian white (PW) film as asymmetric electrodes. The EESD presents excellent electrochromic properties of broad optical modulation (61.7%), ultrafast response speed (1.84/1.95 s), and great coloration efficiency (139.4 cm(2) C(-1)). In particular, remarkable cyclic stability (sustaining 82...
August 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28807299/seasonality-and-circadian-variation-of-microfilaremia-in-dogs-experimentally-infected-with-dirofilaria-immitis
#19
Léonore Lovis, Mélanie Grandjean, Laurence Overney, Wolfgang Seewald, Heinz Sager
Periodicity, the cyclical rise and fall in microfilaria (mff) numbers in the peripheral blood over time, is observed in many filarial infections. It is correlated with the necessity for these larval stages to be ingested by the blood feeding vector before they can be transmitted to a new vertebrate host. Microfilariae of the dog heartworm Dirofilaria immitis have been described to show periodicity, but the circadian pattern does not seem to be consistent. Most publications describe the lowest mff-concentrations in the peripheral blood in the early morning, while the highest counts occurred either in the afternoon, in the late evening or shortly after midnight...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28717626/muscle-fatigue-in-participants-of-indoor-cycling
#20
Ricardo de Melo Dos Santos, Flavio Costa E Costa, Thais Sepeda Saraiva, Bianca Callegari
BACKGROUND: Indoor Cycling (IC) has been gaining recognition and popularity within recent years and few studies have investigated its benefits for sedentary participants. OBJECTIVE: The aim of this study was to evaluate differences in the surface electromyography (sEMG) variables, heart rate (HR), and subjective effort in sedentary participants while they performed an IC session and to compare their results with the trained subjects, to answer the question: Are trained cyclists less susceptible to muscle fatigue, since it is expected that they make less effort? DESIGN: Twenty-six volunteers were split into two groups according to their fitness status and weekly training load...
January 2017: Muscles, Ligaments and Tendons Journal
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