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https://www.readbyqxmd.com/read/28531146/current-and-potential-developments-of-cortisol-aptasensing-towards-point-of-care-diagnostics-potc
#1
REVIEW
Azrul Syafiq Zainol Abidin, Ruslinda A Rahim, Mohd Khairuddin Md Arshad, Mohd Faudzi Fatin Nabilah, Chun Hong Voon, Thean-Hock Tang, Marimuthu Citartan
Anxiety is a psychological problem that often emerges during the normal course of human life. The detection of anxiety often involves a physical exam and a self-reporting questionnaire. However, these approaches have limitations, as the data might lack reliability and consistency upon application to the same population over time. Furthermore, there might be varying understanding and interpretations of the particular question by the participant, which necessitating the approach of using biomarker-based measurement for stress diagnosis...
May 22, 2017: Sensors
https://www.readbyqxmd.com/read/28530845/temporal-variation-in-the-abundance-and-timing-of-daily-activity-of-chagas-disease-vector-triatoma-gerstaeckeri-st%C3%A3-l-1859-in-a-natural-habitat-in-the-lower-rio-grande-valley-south-texas
#2
Alfredo Flores, Christopher Vitek, Teresa Feria Arroyo, Brian Lund Fredensborg
Chagas disease caused by Trypanosoma cruzi is a burden to millions of people in South and Central America. A sylvatic life cycle of the parasite exists in the Southern United States, but recent studies indicate an active peri-domestic life cycle of T. cruzi in Texas. The USA-Mexico border region in Texas displays areas of high poverty and sub-standard housing conditions which are important risk factors for a potential spill-over transmission to a domestic life cycle including humans. The objectives of the study were to examine short- and longterm temporal variation in vector activity, and to evaluate the effect of different combinations of attractants on the capture of potential triatomine vectors...
May 22, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28528032/a-surprising-alliance-two-giants-of-the-20th-century
#3
Robert M Sade
Alexis Carrel and Charles Lindbergh were among the most famous international figures in the 20th century: Carrel, the surgeon-scientist who won a Nobel prize as a young surgeon, and Lindbergh, the aviator-engineer who pioneered aviation and promoted commercial flight throughout his life. Surprisingly, these two amazing individuals came together to collaborate on the early development of extracorporeal circulation. Their work was interrupted by the onset of World War II, which destroyed one of them and nearly destroyed the other...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28520473/a-new-method-and-mass-spectrometric-instrument-for-extraterrestrial-microbial-life-detection-using-the-elemental-composition-analyses-of-martian-regolith-and-permafrost-ice
#4
G G Managadze, A A Safronova, K A Luchnikov, E A Vorobyova, N S Duxbury, P Wurz, N G Managadze, A E Chumikov, R Kh Khamizov
We propose a new technique for the detection of microorganisms by elemental composition analyses of a sample extracted from regolith, permafrost, and ice of extraterrestrial bodies. We also describe the design of the ABIMAS instrument, which consists of the onboard time-of-flight laser mass-reflectron (TOF LMR) and the sample preparation unit (SPU) for biomass extraction. This instrument was initially approved to fly on board the ExoMars 2020 lander mission. The instrument can be used to analyze the elemental composition of possible extraterrestrial microbial communities and compare it to that of terrestrial microorganisms...
May 2017: Astrobiology
https://www.readbyqxmd.com/read/28518005/safety-considerations-for-medical-staff-and-patients-who-fly-over-water-in-a-helicopter-for-work-or-recreation
#5
Christopher J Brooks, Conor V MacDonald
BACKGROUND: Around 25% of people involved in a helicopter accident in water do not survive. From time to time, physicians and their medical staff are required to fly over water in a helicopter to attend one or more seriously ill patients. Many will have had little or no experience of the issues involved if the helicopter has an accident in the water. Also as Family Practitioners, Aeromedical Examiners, and Flight Surgeons, they are asked to provide advice to patients, travel agents, and airline booking agents about whether an overwater helicopter flight is advisable or not...
April 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28508130/atmospheric-conditions-create-freeways-detours-and-tailbacks-for-migrating-birds
#6
Judy Shamoun-Baranes, Felix Liechti, Wouter M G Vansteelant
The extraordinary adaptations of birds to contend with atmospheric conditions during their migratory flights have captivated ecologists for decades. During the 21st century technological advances have sparked a revival of research into the influence of weather on migrating birds. Using biologging technology, flight behaviour is measured across entire flyways, weather radar networks quantify large-scale migratory fluxes, citizen scientists gather observations of migrant birds and mechanistic models are used to simulate migration in dynamic aerial environments...
May 15, 2017: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/28503167/the-impact-of-space-flight-on-survival-and-interaction-of-cupriavidus-metallidurans-ch34-with-basalt-a-volcanic-moon-analog-rock
#7
Bo Byloos, Ilse Coninx, Olivier Van Hoey, Charles Cockell, Natasha Nicholson, Vyacheslav Ilyin, Rob Van Houdt, Nico Boon, Natalie Leys
Microbe-mineral interactions have become of interest for space exploration as microorganisms could be used to biomine from extra-terrestrial material and extract elements useful as micronutrients in life support systems. This research aimed to identify the impact of space flight on the long-term survival of Cupriavidus metallidurans CH34 in mineral water and the interaction with basalt, a lunar-type rock in preparation for the ESA spaceflight experiment, BIOROCK. Therefore, C. metallidurans CH34 cells were suspended in mineral water supplemented with or without crushed basalt and send for 3 months on board the Russian FOTON-M4 capsule...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28499683/response-of-flight-nurses-in-a-simulated-helicopter-environment
#8
David M Kaniecki, Ronald L Hickman, Celeste M Alfes, Andrew P Reimer
OBJECTIVE: The purpose of this study was to determine if a helicopter flight simulator could provide a useful educational platform by creating experiences similar to those encountered by actual flight nurses. METHODS: Flight nurse (FN) and non-FN participants completed a simulated emergency scenario in a flight simulator. Physiologic and psychological stress during the simulation was measured using heart rate and perceived stress scores. A questionnaire was then administered to assess the realism of the flight simulator...
May 2017: Air Medical Journal
https://www.readbyqxmd.com/read/28499679/aeromedical-ultrasound-the-evaluation-of-point-of-care-ultrasound-during-helicopter-transport
#9
Jeffrey G Yates, Denise Baylous
INTRODUCTION: This study correlated the eFAST findings performed in-flight by the flight crew with the findings obtained by the trauma team upon initial evaluation at a level 1 trauma center and with the subsequent CT scans that were performed or the surgeon's operative note. We hypothesize that aeromedical eFAST examinations are highly correlated with the trauma teams findings. METHODS: This prospective, observational study evaluated 190 traumatically injured patients from June 2014 to December 2015 in Southeast Virginia and Northeast North Carolina...
May 2017: Air Medical Journal
https://www.readbyqxmd.com/read/28469028/climate-change-alters-the-optimal-wind-dependent-flight-routes-of-an-avian-migrant
#10
Elham Nourani, Noriyuki M Yamaguchi, Hiroyoshi Higuchi
Migratory birds can be adversely affected by climate change as they encounter its geographically uneven impacts in various stages of their life cycle. While a wealth of research is devoted to the impacts of climate change on distribution range and phenology of migratory birds, the indirect effects of climate change on optimal migratory routes and flyways, through changes in air movements, are poorly understood. Here, we predict the influence of climate change on the migratory route of a long-distant migrant using an ensemble of correlative modelling approaches, and present and future atmospheric data obtained from a regional climate model...
May 17, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28455569/photolysis-of-pharmaceuticals-and-personal-care-products-in-the-marine-environment-under-simulated-sunlight-conditions-irradiation-and-identification
#11
Aasim Musa Mohamed Ali, Roland Kallenborn, Leiv Kristen Sydnes, Helene Thorsen Rønning, Walied Mohamed Alarif, Sultan Al-Lihaibi
The photochemical fate of 16 pharmaceuticals and personal care products (PPCPs) found in the environment has been studied under controlled laboratory conditions applying a sunlight simulator. Aqueous samples containing PPCPs at environmentally relevant concentrations were extracted by solid-phase extraction (SPE) after irradiation. The exposed extracts were subsequently analysed by liquid chromatography combined with triple quadrupole mass spectrometry (HPLC-MS/MS) for studying the kinetics of photolytic transformations...
April 28, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28454909/asymmetric-interlimb-role-sharing-in-mechanical-power-during-human-sideways-locomotion
#12
Daichi Yamashita, Keisuke Fujii, Shinsuke Yoshioka, Tadao Isaka, Motoki Kouzaki
Sideways movement at a wide variety of speeds is required in daily life and sports. The purpose of this study was to identify the characteristics of asymmetry in power output between lower limbs during sideways gait patterns. Seven healthy men performed steady-state sideways locomotion at various speeds. The mechanical external power of each limb was calculated and decomposed to the lateral and vertical components by the center of mass velocity and ground reaction force. We acquired data from 126 steps of sideways walking at 0...
April 12, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28433608/toward-biotechnology-in-space-high-throughput-instruments-for-in-situ-biological-research-beyond-earth
#13
REVIEW
Fathi Karouia, Kianoosh Peyvan, Andrew Pohorille
Space biotechnology is a nascent field aimed at applying tools of modern biology to advance our goals in space exploration. These advances rely on our ability to exploit in situ high throughput techniques for amplification and sequencing DNA, and measuring levels of RNA transcripts, proteins and metabolites in a cell. These techniques, collectively known as "omics" techniques have already revolutionized terrestrial biology. A number of on-going efforts are aimed at developing instruments to carry out "omics" research in space, in particular on board the International Space Station and small satellites...
April 19, 2017: Biotechnology Advances
https://www.readbyqxmd.com/read/28424311/mechanics-of-the-thorax-in-flies
#14
REVIEW
Tanvi Deora, Namrata Gundiah, Sanjay P Sane
Insects represent more than 60% of all multicellular life forms, and are easily among the most diverse and abundant organisms on earth. They evolved functional wings and the ability to fly, which enabled them to occupy diverse niches. Insects of the hyper-diverse orders show extreme miniaturization of their body size. The reduced body size, however, imposes steep constraints on flight ability, as their wings must flap faster to generate sufficient forces to stay aloft. Here, we discuss the various physiological and biomechanical adaptations of the thorax in flies which enabled them to overcome the myriad constraints of small body size, while ensuring very precise control of their wing motion...
April 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28418705/accurate-differentiation-of-carotenoid-pigments-using-flight-representative-raman-spectrometers
#15
Cedric Malherbe, Ian B Hutchinson, Melissa McHugh, Richard Ingley, Jan Jehlička, Howell G M Edwards
Raman spectrometers will be utilized on two Mars rover missions, ExoMars and Mars 2020, in the near future, to search for evidence of life and habitable geological niches on Mars. Carotenoid pigments are recognized target biomarkers, and as they are highly active in Raman spectroscopy, they can be readily used to characterize the capabilities of space representative instrumentation. As part of the preparatory work being performed for the ExoMars mission, a gypsum crust colonized by microorganisms was interrogated with commercial portable Raman instruments and a flight representative Raman laser spectrometer...
April 2017: Astrobiology
https://www.readbyqxmd.com/read/28405295/flight-performance-in-the-altricial-zebra-finch-developmental-effects-and-reproductive-consequences
#16
Ondi L Crino, Brett Klaassen van Oorschot, Kristen E Crandell, Creagh W Breuner, Bret W Tobalske
The environmental conditions animals experience during development can have sustained effects on morphology, physiology, and behavior. Exposure to elevated levels of stress hormones (glucocorticoids, GCs) during development is one such condition that can have long-term effects on animal phenotype. Many of the phenotypic effects of GC exposure during development (developmental stress) appear negative. However, there is increasing evidence that developmental stress can induce adaptive phenotypic changes. This hypothesis can be tested by examining the effect of developmental stress on fitness-related traits...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28402469/health-system-functionality-in-a-low-income-country-in-the-midst-of-conflict-the-case-of-yemen
#17
Naseeb Qirbi, Sharif A Ismail
Background:  Although the literature on effects of armed conflict on population health is extensive, detailed assessments of effects on public health 'systems' are few. This article aims to help address this deficit through the medium of a case study on Yemen, describing health system and health outcome performance prior to the internationalisation of the conflict there in March 2015, before assessing the impact of war on health system functionality since that time. Method : Review of peer- and non-peer reviewed literature from 2005 to 2016 from academic sources, multilateral organizations, donors and governmental and non-governmental organizations, augmented by secondary data analysis...
April 11, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28401467/response-of-extreme-haloarchaeon-haloarcula-argentinensis-rr10-to-simulated-microgravity-in-clinorotation
#18
Rebecca Thombre, Vinaya Shinde, Jyotsana Dixit, Sagar Jagtap, Pandit B Vidyasagar
Gravity is the fundamental force that may have operated during the evolution of life on Earth. It is thus important to understand as to what the effects of gravity are on cellular life. The studies related to effect of microgravity on cells may provide greater insights in understanding of how the physical force of gravity shaped life on Earth. The present study focuses on a unique group of organisms called the Haloarchaea, which are known for their extreme resistance to survive in stress-induced environments...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28398255/robust-in-flight-sensor-fault-diagnostics-for-aircraft-engine-based-on-sliding-mode-observers
#19
Xiaodong Chang, Jinquan Huang, Feng Lu
For a sensor fault diagnostic system of aircraft engines, the health performance degradation is an inevitable interference that cannot be neglected. To address this issue, this paper investigates an integrated on-line sensor fault diagnostic scheme for a commercial aircraft engine based on a sliding mode observer (SMO). In this approach, one sliding mode observer is designed for engine health performance tracking, and another for sensor fault reconstruction. Both observers are employed in in-flight applications...
April 11, 2017: Sensors
https://www.readbyqxmd.com/read/28396389/subduction-zone-forearc-serpentinites-as-incubators-for-deep-microbial-life
#20
Oliver Plümper, Helen E King, Thorsten Geisler, Yang Liu, Sonja Pabst, Ivan P Savov, Detlef Rost, Thomas Zack
Serpentinization-fueled systems in the cool, hydrated forearc mantle of subduction zones may provide an environment that supports deep chemolithoautotrophic life. Here, we examine serpentinite clasts expelled from mud volcanoes above the Izu-Bonin-Mariana subduction zone forearc (Pacific Ocean) that contain complex organic matter and nanosized Ni-Fe alloys. Using time-of-flight secondary ion mass spectrometry and Raman spectroscopy, we determined that the organic matter consists of a mixture of aliphatic and aromatic compounds and functional groups such as amides...
April 25, 2017: Proceedings of the National Academy of Sciences of the United States of America
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