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https://www.readbyqxmd.com/read/28208591/fusion-of-inertial-magnetic-sensor-measurements-and-map-information-for-pedestrian-tracking
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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...
December 28, 2016: Journal of Medical Entomology
https://www.readbyqxmd.com/read/27999392/smart-pipe-system-for-a-shipyard-4-0
#9
Paula Fraga-Lamas, Diego Noceda-Davila, Tiago M Fernández-Caramés, Manuel A Díaz-Bouza, Miguel Vilar-Montesinos
As a result of the progressive implantation of the Industry 4.0 paradigm, many industries are experimenting a revolution that shipyards cannot ignore. Therefore, the application of the principles of Industry 4.0 to shipyards are leading to the creation of Shipyards 4.0. Due to this, Navantia, one of the 10 largest shipbuilders in the world, is updating its whole inner workings to keep up with the near-future challenges that a Shipyard 4.0 will have to face. Such challenges can be divided into three groups: the vertical integration of production systems, the horizontal integration of a new generation of value creation networks, and the re-engineering of the entire production chain, making changes that affect the entire life cycle of each piece of a ship...
December 20, 2016: Sensors
https://www.readbyqxmd.com/read/27991563/reversible-self-actuated-thermo-responsive-pore-membrane
#10
Younggeun Park, Maria Paz Gutierrez, Luke P Lee
Smart membranes, which can selectively control the transfer of light, air, humidity and temperature, are important to achieve indoor climate regulation. Even though reversible self-actuation of smart membranes is desirable in large-scale, reversible self-regulation remains challenging. Specifically, reversible 100% opening/closing of pore actuation showing accurate responsiveness, reproducibility and structural flexibility, including uniform structure assembly, is currently very difficult. Here, we report a reversible, thermo-responsive self-activated pore membrane that achieves opening and closing of pores...
December 19, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27914935/laboratory-and-field-evaluation-of-brown-dog-tick-behavioral-responses-to-potential-semiochemicals
#11
Lucas P Carnohan, Phillip E Kaufman, Sandra A Allan, Salvador A Gezan, Emma N I Weeks
The brown dog tick, Rhipicephalus sanguineus sensu lato (Parasitiformis: Ixodidae), is an ectoparasite of dogs that can be found worldwide. This tick poses unique difficulties in management because it can complete its entire life cycle indoors and has demonstrated acaricide resistance. The ability to monitor for tick presence and abundance is necessary for developing effective control programs. As such, an evaluation of adult brown dog tick behavioral responses to 16 potential semiochemicals was undertaken using Y-tube and straight-tube olfactometers...
November 9, 2016: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/27910895/arabidopsis-thaliana-as-a-suitable-model-host-for-research-on-interactions-between-plant-and-foliar-nematodes-parasites-of-plant-shoot
#12
Dong-Wei Wang, Xiao-Fang Peng, Hui Xie, Chun-Ling Xu, De-Qiang Cheng, Jun-Yi Li, Wen-Jia Wu, Ke Wang
The rice white tip nematode (RWTN), Aphelenchoides besseyi and the chrysanthemum foliar nematode (CFN), Aphelenchoides ritzemabosi are migratory plant parasitic nematodes that infect the aboveground parts of plants. In this research, Arabidopsis thaliana was infected by RWTN and CFN under indoor aseptic cultivation, and the nematodes caused recognizable symptoms in the leaves. Furthermore, RWTN and CFN completed their life cycles and proliferated. Therefore, A. thaliana was identified as a new host of RWTN and CFN...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27908792/freebie-rhabdomyolysis-a-public-health-concern-spin-class-induced-rhabdomyolysis
#13
Maureen Brogan, Rudrick Ledesma, Alan Coffino, Praveen Chander
BACKGROUND: Rhabdomyolysis is a pathologic condition in which intracellular muscle constituents leak into the blood circulation. It is usually caused by muscle trauma. "Spinning" is an indoor form of cycling where participants use a special stationary exercise bicycle with a weighted flywheel and undergo high-intensity cycling classes focusing on endurance. There have been several case reports in the literature of exertional rhabdomyolysis following spin class. METHODS: Our nephrology practices have diagnosed a number of cases of symptomatic patients presenting to our emergency departments following their first spin classes, with histories and creatinine phosphokinase levels diagnostic of exertional rhabdomyolysis...
November 29, 2016: American Journal of Medicine
https://www.readbyqxmd.com/read/27872646/mercury-vapour-long-lasting-exposure-lymphocyte-muscarinic-receptors-as-neurochemical-markers-of-accidental-intoxication
#14
E Roda, A Giampreti, S Vecchio, P Apostoli, T Coccini
Introduction. Chronic poisoning may result in home setting after mercury (Hg) vapours inhalation from damaged devices. We report a chronic, nonoccupational Hg poisoning due to 10-year indoor exposure to mercury spillage. Case Report. A 72-year-old man with polyneuropathy of suspected toxic origin. At hospitalization, toxicological clinical evaluations confirmed the altered neurological picture documented across the last decade. Periodic blood and urine Hg levels (BHg, UHg) monitoring were performed from admission (t0), until 1 year later (t2), paralleled by blood neurochemical markers assessment, that is, lymphocytes muscarinic receptors (l-MRs)...
2016: Case Reports in Medicine
https://www.readbyqxmd.com/read/27834328/intricacies-of-using-temperature-of-different-niches-for-assessing-impact-on-malaria-transmission
#15
Poonam Singh, Yogesh Yadav, Shweta Saraswat, Ramesh C Dhiman
BACKGROUND & OBJECTIVES: The influence of temperature on the life cycle of mosquitoes as well as on development of malaria parasite in mosquitoes is well studied. Most of the studies use outdoor temperature for understanding the transmission dynamics and providing projections of malaria. As the mosquitoes breed in water and rest usually indoors, it is logical to relate the transmission dynamics with temperature of micro-niche. The present study was, therefore, undertaken to understand the influence of different formats of temperature of different micro-niches on transmission of malaria for providing more realistic projections...
July 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/27817868/occurrence-of-phthalate-esters-in-over-the-counter-medicines-from-china-and-its-implications-for-human-exposure
#16
Lu-Lu Jia, Xiang-Ying Lou, Ying Guo, Kelvin Sze-Yin Leung, Eddy Y Zeng
Food, air, personal care products and indoor dust have been recognized as the main routes of exposure to phthalates in Chinese population, but other sources may have been overlooked, e.g., medicines. To fill the knowledge gap, phthalate esters were measured in 96 over-the-counter medicines made in China, including selected 71 Chinese patented medicines and 25 western medicines. It was found that none of the medicines was free of phthalates. The mean concentrations of individual phthalates ranged from 0.001μg/g (dicyclohexyl phthalate) to 5...
November 3, 2016: Environment International
https://www.readbyqxmd.com/read/27806051/transmission-of-leishmania-infantum-in-the-canine-leishmaniasis-focus-of-mont-rolland-senegal-ecological-parasitological-and-molecular-evidence-for-a-possible-role-of-sergentomyia-sand-flies
#17
Massila Wagué Senghor, Abdoul Aziz Niang, Jérome Depaquit, Hubert Ferté, Malick Ndao Faye, Eric Elguero, Oumar Gaye, Bulent Alten, Utku Perktas, Cécile Cassan, Babacar Faye, Anne-Laure Bañuls
Leishmania (L.) infantum is the causative agent in an endemic focus of canine leishmaniasis in the Mont-Rolland district (Thiès, Senegal). In this area, the transmission cycle is well established and more than 30% of dogs and 20% of humans are seropositive for L. infantum. However, the sand fly species involved in L. infantum transmission cycle are still unknown. Between 2007 and 2010, 3654 sand flies were collected from different environments (indoor, peridomestic, farming and sylvatic areas) to identify the main L...
November 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27692379/measuring-urinary-n-acetyl-s-4-hydroxy-2-methyl-2-buten-1-yl-l-cysteine-ipma3-as-a-potential-biomarker-of-isoprene-exposure
#18
K Udeni Alwis, T Liz Bailey, Dhrusti Patel, Liqun Wang, Benjamin C Blount
Isoprene, the 2-methyl analog of 1,3-butadiene, is identified as a possible human carcinogen by the International Agency for Research on Cancer (IARC). Isoprene is ubiquitous in the environment with numerous natural and anthropogenic sources. Tobacco smoke is the main exogenous source of isoprene exposure in indoor environments. Among smoke constituents, isoprene is thought to contribute significantly to cancer risk; however, no selective urinary biomarkers of isoprene exposure have been identified for humans...
October 19, 2016: Analytica Chimica Acta
https://www.readbyqxmd.com/read/27664001/comparative-human-health-impact-assessment-of-engineered-nanomaterials-in-the-framework-of-life-cycle-assessment
#19
Wouter Fransman, Harrie Buist, Eelco Kuijpers, Tobias Walser, David Meyer, Esther Zondervan-van den Beuken, Joost Westerhout, Rinke H Klein Entink, Derk H Brouwer
For safe innovation, knowledge on potential human health impacts is essential. Ideally, these impacts are considered within a larger life-cycle-based context to support sustainable development of new applications and products. A methodological framework that accounts for human health impacts caused by inhalation of engineered nanomaterials (ENMs) in an indoor air environment has been previously developed. The objectives of this study are as follows: (i) evaluate the feasibility of applying the CF framework for NP exposure in the workplace based on currently available data; and (ii) supplement any resulting knowledge gaps with methods and data from the life cycle approach and human risk assessment (LICARA) project to develop a modified case-specific version of the framework that will enable near-term inclusion of NP human health impacts in life cycle assessment (LCA) using a case study involving nanoscale titanium dioxide (nanoTiO2 )...
September 24, 2016: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/27659906/growth-and-development-of-arabidopsis-thaliana-under-single-wavelength-red-and-blue-laser-light
#20
Amanda Ooi, Aloysius Wong, Tien Khee Ng, Claudius Marondedze, Christoph Gehring, Boon S Ooi
Indoor horticulture offers a sensible solution for sustainable food production and is becoming increasingly widespread. However, it incurs high energy and cost due to the use of artificial lighting such as high-pressure sodium lamps, fluorescent light or increasingly, the light-emitting diodes (LEDs). The energy efficiency and light quality of currently available horticultural lighting is suboptimal, and therefore less than ideal for sustainable and cost-effective large-scale plant production. Here, we demonstrate the use of high-powered single-wavelength lasers for indoor horticulture...
September 23, 2016: Scientific Reports
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