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https://www.readbyqxmd.com/read/28902274/chikungunya-virus-outbreak-in-sint-maarten-2013-2014
#1
Maria Henry, Lorraine Francis, Virginia Asin, Karen Polson-Edwards, Babatunde Olowokure
This report describes the outbreak of chikungunya virus (CHIKV) in Sint Maarten, a constituent country of Kingdom of the Netherlands comprising the southern part of the Caribbean island of Saint Martin, from 22 December 2013 (first reported case) through 5 December 2014. The outbreak was first reported by the French overseas collectivity of Saint-Martin in the northern part of the island-the first site in the Americas to report autochthonous transmission of CHIKV. By 5 December 2014, Sint Maarten had reported a total of 658 cases-an overall attack rate of 1...
August 21, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28885644/detection-of-total-hip-arthroplasties-at-airport-security-checkpoints-how-do-updated-security-measures-affect-patients
#2
Kimona Issa, Todd P Pierce, Chukwuweieke Gwam, Anthony Festa, Anthony J Scillia, Michael A Mont
INTRODUCTION: There have been historical reports on the experiences of patients with total hip arthroplasty (THA) passing through standard metal detectors at airports. The purpose of this study was to analyse those who had recently passed through airport security and the incidence of: (i) triggering of the alarm; (ii) extra security searches; and (iii) perceived inconvenience. METHODS: A questionnaire was given to 125 patients with a THA during a follow-up appointment...
September 5, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28873663/chemical-composition-and-redox-activity-of-pm0-25-near-los-angeles-international-airport-and-comparisons-to-an-urban-traffic-site
#3
Farimah Shirmohammadi, Christopher Lovett, Mohammad Hossein Sowlat, Amirhosein Mousavi, Vishal Verma, Martin M Shafer, James J Schauer, Constantinos Sioutas
To investigate the relative impacts of emissions from Los Angeles International Airport (LAX), as well as the impacts of traffic emissions from freeways, on the oxidative potential of particulate matter (PM), PM0.25 were collected at two urban background locations in Los Angeles. Redox activity of the PM samples was measured by means of an in vitro alveolar macrophage assay that quantifies the formation of reactive oxygen species (ROS) in cells, and detailed chemical analyses were performed to determine the speciated chemical composition of collected PM...
August 30, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28840495/comparison-of-conventional-and-bio-treated-methods-as-dust-suppressants
#4
Maryam Naeimi, Jian Chu
Dust is an environmental, geotechnical, health, and economical hazard. Fugitive dust emanating along transportation systems such as roads, railways, and airports especially can have significant impacts on health, safety, material loss, cost of maintenance, and interfere with the facilities. Quantitative studies on the effectiveness of the proper dust palliatives and their environmental impact have been studied with a number of biological and chemical methods. The objective of this study was to establish a method for using the microbial Induced calcium carbonate precipitation (MICP) approach to reduce the percent of mass loss against erosive force of wind regarding to the concentration and characteristics of aggregate used, climate, and traffic amounts...
August 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28830023/forensic-identification-of-pharmaceuticals-via-portable-x-ray-fluorescence-and-diffuse-reflectance-spectroscopy
#5
Sarah Shutic, Somsubhra Chakraborty, Bin Li, David C Weindorf, Kathy Sperry, Dominick Casadonte
The importance of unknown substance identification in forensic science is vital to implementation or exclusion of criminal charges against an offender. While traditional laboratory measures include the use of gas chromatography/mass spectroscopy, an alternate method has been proposed to efficiently perform presumptive analyses of unknown substances at a crime scene or at airport security points. The use of portable X-ray fluorescence (PXRF) and visible near infrared diffuse reflectance spectroscopy (DRS) to determine elemental composition was applied to pharmaceutical medications (n=83), which were then categorized into 21 classifications based on their active ingredients...
August 12, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28813586/breast-cancer-and-exposure-to-aircraft-road-and-railway-noise-a-case-control-study-based-on-health-insurance-records
#6
Janice Hegewald, Melanie Schubert, Mandy Wagner, Patrik Dröge, Ursel Prote, Enno Swart, Ulrich Möhler, Hajo Zeeb, Andreas Seidler
Objectives Aircraft, road, and rail traffic noise can cause sleep disturbances. Since night work and shorter sleep durations have been linked to increased risks of breast cancer, we examined if 24-hour, or day- or night-time traffic noise exposure may also increase the risk of breast cancer. Methods To investigate the noise-related risks of breast cancer, the pseudonymized insurance records of three large statutory health companies (2005-2010) for women aged ≥40 years living in the region surrounding the Frankfurt international airport were analyzed with address-specific acoustic data representing aircraft, road, and rail-traffic noise...
August 16, 2017: Scandinavian Journal of Work, Environment & Health
https://www.readbyqxmd.com/read/28804200/making-aircraft-vortices-visible-to-radar-by-spraying-water-into-the-wake
#7
Karim Shariff
Aircraft trailing vortices pose a danger to following aircraft during take-off and landing. This necessitates spacing rules, based on aircraft type, to be enforced during approach in IFR (Instrument Flight Regulations) conditions; this can limit airport capacity. To help choose aircraft spacing based on the actual location and strength of the wake, it is proposed that wake vortices can be detected using conventional precipitation and cloud radars. This is enabled by spraying a small quantity water into the wake from near the wing...
December 2016: J Atmos Ocean Technol
https://www.readbyqxmd.com/read/28783073/an-rfid-indoor-positioning-algorithm-based-on-bayesian-probability-and-k-nearest-neighbor
#8
He Xu, Ye Ding, Peng Li, Ruchuan Wang, Yizhu Li
The Global Positioning System (GPS) is widely used in outdoor environmental positioning. However, GPS cannot support indoor positioning because there is no signal for positioning in an indoor environment. Nowadays, there are many situations which require indoor positioning, such as searching for a book in a library, looking for luggage in an airport, emergence navigation for fire alarms, robot location, etc. Many technologies, such as ultrasonic, sensors, Bluetooth, WiFi, magnetic field, Radio Frequency Identification (RFID), etc...
August 5, 2017: Sensors
https://www.readbyqxmd.com/read/28774810/preparedness-of-adolescents-departing-from-athens-international-airport-to-africa-or-asia-a-five-year-airport-based-prospective-study
#9
Helena C Maltezou, Androula Pavli, Kalliopi Theodoridou, Eleftherios Bournousouzis, Athanasios Minitsios, Panos Katerelos, Ioanna Lymperi, Maria Theodoridou
BACKGROUND: The number of adolescents who travel has increased. We estimated the preparedness of adolescents (12-18 years) departing from Athens to Africa and Asia. METHODS: An airport-based survey was conducted from 2011 to 2015. RESULTS: Sixty-eight adolescents participated; 27/68 (40%) had the Greek nationality. Their main destinations were the Indian subcontinent (37%) and South-East Asia (32%). Most adolescents planned to stay for <1 month (69%) or for 1-3 months (22%)...
August 1, 2017: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/28773829/identification-of-material-parameters-for-the-simulation-of-acoustic-absorption-of-fouled-sintered-fiber-felts
#10
Nicolas Lippitz, Christopher Blech, Sabine Langer, Joachim Rösler
As a reaction to the increasing noise pollution, caused by the expansion of airports close to residential areas, porous trailing edges are investigated to reduce the aeroacoustic noise produced by flow around the airframe. Besides mechanical and acoustical investigations of porous materials, the fouling behavior of promising materials is an important aspect to estimate the performance in long-term use. For this study, two sintered fiber felts were selected for a long-term fouling experiment where the development of the flow resistivity and accumulation of dirt was observed...
August 22, 2016: Materials
https://www.readbyqxmd.com/read/28738664/bomb-swab-can-trace-explosive-particle-sampling-and-detection-be-improved
#11
Danny Fisher, Raya Zach, Yossef Matana, Paz Elia, Shiran Shustack, Yarden Sharon, Yehuda Zeiri
The marked increase in international terror in recent years requires the development of highly efficient methods to detect trace amounts of explosives at airports, border crossings and check points. The preferred analytical method worldwide is the ion mobility spectrometry (IMS) that is capable of detecting most explosives at the nano-gram level. Sample collection for the IMS analysis is based on swabbing of a passenger's belongings to collect possible explosive residues. The present study examines a wide range of issues related to swab-based particle collection and analysis, in the hope of gaining deeper understanding into this technique that will serve to improve the detection process...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28736802/psychotropic-substances-in-house-dusts-a-preliminary-assessment
#12
Angelo Cecinato, Paola Romagnoli, Mattia Perilli, Catia Balducci
Psychotropic substances (PSs) are known to affect air and waters, while scarce attention has been paid to their occurrence in settled dusts although they can reach important concentrations there; moreover, no procedures have been developed for this specific purpose. In this study, a list of PSs (i.e., nicotine, cotinine, caffeine, cocaine, cannabinol, Δ(9)-tetrahydrocannabinol, cannabidiol, amphetamine, heroin, and methadone) were characterized in dusts from Rome and Fiumicino international airport, Italy, and from Ouargla city, Algeria...
July 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28733819/estimating-environmental-value-losses-from-earth-materials-excavation-and-infilling-for-large-scale-airport-construction-a-case-of-dalian-offshore-airport-dalian-china
#13
Hua-Kun Yan, Nuo Wang, Nuan Wu, Nan-Qi Song, Dao-Li Zhu
Large-scale airport construction removes large quantities of earth materials, resulting in serious environmental pollution and ecosystem damage. However, studies of environmental concerns caused by the materials used in airport construction are still preliminary, and those case studies on the impacts of large-scale offshore airport development are very limited. China's Dalian Offshore Airport is considered here to study the environmental value loss from 240 million m(3) of materials excavations and 21 km(2) of artificial island infillings...
July 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28733254/pre-travel-advice-at-a-crossroad-medical-preparedness-of-travellers-to-south-and-southeast-asia-the-hamburg-airport-survey
#14
Thierry Rolling, Melina Mühlenpfordt, Marylyn M Addo, Jakob P Cramer, Christof D Vinnemeier
BACKGROUND: Specific travel-related recommendations exist for the prevention or self-treatment of infectious diseases contracted by travellers to the tropics. In the current study, we assessed the medical preparedness per these recommendations, focusing on whether travellers carried antidiarrheal and antimalarial medication with them stratified by type of pre-travel advice. METHODS: We surveyed travellers departing from Hamburg International Airport to South or Southeast Asia, using a questionnaire on demographic, medical and travel characteristics...
July 18, 2017: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/28708026/visual-search-you-are-who-you-are-a-learning-curve
#15
Justin M Ericson, Dwight J Kravitz, Stephen R Mitroff
Not everyone is equally well suited for every endeavor-individuals differ in their strengths and weaknesses, which makes some people better at performing some tasks than others. As such, it might be possible to predict individuals' peak competence (i.e., ultimate level of success) on a given task based on their early performance in that task. The current study leveraged "big data" from the mobile game, Airport Scanner (Kedlin Company), to assess the possibility of predicting individuals' ultimate visual search competency using the minimum possible unit of data: response time on a single visual search trial...
January 1, 2017: Perception
https://www.readbyqxmd.com/read/28704803/occurrence-and-fate-of-organophosphate-ester-flame-retardants-and-plasticizers-in-indoor-air-and-dust-of-nepal-implication-for-human-exposure
#16
Ishwar Chandra Yadav, Ningombam Linthoingambi Devi, Guangcai Zhong, Jun Li, Gan Zhang, Adrian Covaci
The present study was carried out in Nepal, a landlocked country located between world's two most populous countries i.e. India and China. In this study, the occurrence, profiles, spatial distributions and fate of eight organophosphate ester flame retardants (OPFRs) were investigated in indoor air and house dust. Overall, the concentrations of ∑OPFR were in the range of 153-12100 ng/g (median732 ng/g) and 0.32-64 ng/m(3) (median 5.2 ng/m(3)) in house dust and indoor air, respectively. The sources of high OPFR in the indoor environment could be from locally used wide variety of consumer products and building materials in Nepalese houses...
October 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28689211/association-between-air-temperature-and-acute-myocardial-infarction-hospitalizations-in-tehran-iran-a-time-stratified-case-crossover
#17
Rasool Mohammadi, Soheila Khodakarim, Abbas Alipour, Ehsan Bitaraf, Hamid Soori
BACKGROUND: Although the effect of temperature on the incidence of acute myocardial infarction (AMI) has been extensively documented, no study has previously investigated the association between temperature and AMI in the Middle Eastern countries. OBJECTIVE: To examine the association between daily mean temperature and AMI admission rates in Tehran, Iran. METHODS: Data on daily number of admissions of patients with AMI to Tehran hospitals between March 21, 2013 and March 19, 2016, were retrieved from the Iranian Myocardial Infarction Registry (IMIR)...
July 2017: International Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28676776/consumer-behavior-in-the-choice-of-mode-of-transport-a-case-study-in-the-toledo-madrid-corridor
#18
Ana I Muro-Rodríguez, Israel R Perez-Jiménez, Santiago Gutiérrez-Broncano
Within the context of the consumption of goods or services the decisions made by individuals involve the choice between a set of discrete alternatives, such as the choice of mode of transport. The methodology for analyzing the consumer behavior are the models of discrete choice based on the Theory of Random Utility. These models are based on the definition of preferences through a utility function that is maximized. These models also denominated of disaggregated demand derived from the decision of a set of individuals, who are formalized by the application of probabilistic models...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28676111/a-study-on-the-epidemiological-characteristics-and-infectious-forecast-model-of-malaria-at-guangzhou-airport-among-chinese-returnees-from-africa
#19
Hui-Ming Wu, Zhi-Qiang Fang, Dang Zhao, Yan-Ling Chen, Chuan-Ge Liu, Xi Liang
BACKGROUND: Cross-border malaria transmission in China is a major component of Chinese imported malaria cases. Such cases mostly are travellers returning from malaria endemic countries in Africa. By investigating malaria infectious status among Chinese worker in Africa, this study analysed the malaria risk factors, in order to establish infectious forecast model. METHODS: Chinese returnees data from Africa were collected at Guangzhou Baiyun International Airport, Guangzhou, China between August 2015 and March 2016 and were included in the cross-sectional and retrospective survey...
July 4, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28675351/on-the-origin-and-timing-of-zika-virus-introduction-in-brazil
#20
E Massad, M Nascimento Burattini, K Khan, C J Struchiner, F A B Coutinho, A Wilder-Smith
The timing and origin of Zika virus (ZIKV) introduction in Brazil has been the subject of controversy. Initially, it was assumed that the virus was introduced during the FIFA World Cup in June-July 2014. Then, it was speculated that ZIKV may have been introduced by athletes from French Polynesia (FP) who competed in a canoe race in Rio de Janeiro in August 2014. We attempted to apply mathematical models to determine the most likely time window of ZIKV introduction in Brazil. Given that the timing and origin of ZIKV introduction in Brazil may be a politically sensitive issue, its determination (or the provision of a plausible hypothesis) may help to prevent undeserved blame...
August 2017: Epidemiology and Infection
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