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https://www.readbyqxmd.com/read/28821185/phylogeography-and-ecological-niche-modeling-of-the-desert-iguana-dipsosaurus-dorsalis-baird-girard-1852-in-the-baja-california-peninsula
#1
Tania Valdivia-Carrillo, Francisco J García-De León, Ma Carmen Blázquez, Carina Gutiérrez-Flores, Patricia González Zamorano
Understanding the factors that explain the patterns of genetic structure or phylogeographic breaks at an intraspecific level is key to inferring the mechanisms of population differentiation in its early stages. These topics have been well studied in the Baja California region, with vicariance and the dispersal ability of individuals being the prevailing hypothesis for phylogeographic breaks. In this study, we evaluated the phylogeographic patterns in the desert iguana (Dipsosaurus dorsalis), a species with a recent history in the region and spatial variation in life history traits...
September 1, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28820856/perceived-wellness-associated-with-practice-and-competition-in-ncaa-division-i-football-players
#2
Aaron D Wellman, Sam C Coad, Patrick J Flynn, Ty K Siam, Christopher P McLellan
The present study assessed the influence of movement demands resulting from weekly practice sessions and games, on perceived wellness measurements taken post-game (Sunday) and 48 hours pre-game (Thursday) throughout the in-season period in National Collegiate Athletic Association (NCAA) division I football players. Thirty players were monitored using GPS receivers (Catapult Innovations OptimEye S5, Melbourne, Australia) during 12 games and 24 in-season practices. Movement variables included low-intensity distance, medium-intensity distance, high-intensity distance, sprint distance, total distance, player load, and acceleration and deceleration distance...
August 15, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28820778/src-kinase-inhibition-attenuates-morphine-tolerance-without-affecting-reinforcement-or-psychomotor-stimulation
#3
Fiona A Bull, Daniel T Baptista-Hon, Claire Sneddon, Lisa Wright, Wendy Walwyn, Tim G Hales
BACKGROUND: Prolonged opioid administration leads to tolerance characterized by reduced analgesic potency. Pain management is additionally compromised by the hedonic effects of opioids, the cause of their misuse. The multifunctional protein β-arrestin2 regulates the hedonic effects of morphine and participates in tolerance. These actions might reflect µ opioid receptor up-regulation through reduced endocytosis. β-Arrestin2 also recruits kinases to µ receptors. We explored the role of Src kinase in morphine analgesic tolerance, locomotor stimulation, and reinforcement in C57BL/6 mice...
August 18, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28820722/house-structure-is-associated-with-plasmodium-falciparum-infection-in-a-low-transmission-setting-in-southern-zambia
#4
Matthew M Ippolito, Kelly M Searle, Harry Hamapumbu, Timothy M Shields, Jennifer C Stevenson, Philip E Thuma, William J Moss, For The Southern Africa International Center Of Excellence For Malaria Research
House structure may influence the risk of malaria by affecting mosquito entry and indoor resting. Identification of construction features associated with protective benefits could inform vector control approaches, even in low-transmission settings. We examined the association between house structure and malaria prevalence in a cross-sectional analysis of 2,788 children and adults residing in 866 houses in a low-transmission area of Southern Province, Zambia, over the period 2008-2012. Houses were categorized according to wall (brick/cement block or mud/grass) and roof (metal or grass) material...
August 7, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820673/asymmetric-compression-of-representational-space-for-object-animacy-categorization-under-degraded-viewing-conditions
#5
Tijl Grootswagers, J Brendan Ritchie, Susan G Wardle, Andrew Heathcote, Thomas A Carlson
Animacy is a robust organizing principle among object category representations in the human brain. Using multivariate pattern analysis methods, it has been shown that distance to the decision boundary of a classifier trained to discriminate neural activation patterns for animate and inanimate objects correlates with observer RTs for the same animacy categorization task [Ritchie, J. B., Tovar, D. A., & Carlson, T. A. Emerging object representations in the visual system predict reaction times for categorization...
August 18, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28820651/starting-and-stopping-kinetics-of-a-rear-mounted-power-assist-for-manual-wheelchairs
#6
Stephanie Wong, Ben Mortenson, Bonita Sawatzky
A rear mounted, powered, drive wheel has been developed to assist with mobility for manual wheelchairs in indoor and outdoor modes. To start the wheel, users must initiate handrim propulsion with sufficient force to trigger the motor. To stop the indoor mode, users must apply a braking force through the handrims exceeding the device's deceleration threshold. The objectives of this study were to compare 1) the minimum force required to start a wheelchair with and without the wheel, and 2) the distances and forces needed to stop a wheelchair at different treadmill speeds (3...
August 18, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28820589/investigation-of-nonadiabatic-effects-for-the-vibrational-spectrum-of-a-triatomic-molecule-the-use-of-a-single-potential-energy-surface-with-distance-dependent-masses-for-h3
#7
Ralph Jaquet, Mykhaylo V Khoma
Based on first principles, the influence of non-adiabatic effects on the vibrational bound states of H$_3^+$ has been investigated using distance-dependent reduced masses and only one single potential energy surface. For these new vibrational calculations potentials based on explicitly correlated wavefunctions are used where in addition, adiabatic corrections and relativistic contributions are taken into account. For the first time, several different fully distance-dependent reduced mass surfaces in three dimensions have been incorporated in the vibrational calculations...
August 18, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28820564/telepharmacy-rules-and-statutes-a-50-state-survey
#8
George Tzanetakos, Fred Ullrich, Keith Meuller
Purpose and Introduction. The purpose of this policy brief is to identify rules and laws enacted by states authorizing the use of community telepharmacy initiatives within their respective jurisdictions. Though telepharmacy exists in several forms, telepharmacy in this brief is defined as the delivery of pharmaceutical care to outpatients at a distance through the use of telecommunication and other advanced technologies. Pharmaceutical care includes, but is not limited to, drug review and monitoring, dispensing of medications, medication therapy management, and patient counseling...
April 2017: Rural Policy Brief
https://www.readbyqxmd.com/read/28820216/criticality-of-the-phase-transition-on-stage-two-in-a-lattice-gas-model-of-a-graphite-anode-in-a-lithium-ion-battery
#9
E M Gavilán Arriazu, B A López de Mishima, O A Oviedo, E P M Leiva, O A Pinto
Herein, a Monte Carlo study within the canonical assembly has been applied to elucidate the lithium-ion phase transition order of a stage II lithium-graphite intercalation compound (LiC12) around the critical point. The results reveal a weakly first-order phase transition at 354.6 ± 0.5 K via measurements that follows the power laws with effective exponents. The graphite-lithium system was emulated within a lattice-gas model, comprising specific insertion sites arranged in four parallel planes with a triangular geometry...
August 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28820213/chip-scale-alignment-of-long-dna-nanofibers-on-a-patterned-self-assembled-monolayer
#10
J Xia, M Su
Controlled alignment of long DNA nanofibers is challenging. This communication reports a method to align human genomic DNA with nearly unlimited length using lithographically produced micro-patterns of self-assembled monolayers (SAMs) with positively charged terminal groups. The micro-patterns act as local DNA reservoirs to supply DNAs for nanofiber formation, and can also stretch and align DNA nanofibers to form an ordered array by controlling the dewetting profile. By reducing the size and inter-patch distance of a micro-patch, a nearly uniform array of long DNA nanofibers can be patterned over a large area...
August 18, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28820139/risk-for-low-pathogenicity-avian-influenza-virus-on-poultry-farms-the-netherlands-2007-2013
#11
Ruth Bouwstra, Jose L Gonzales, Sjaak de Wit, Julia Stahl, Ron A M Fouchier, Armin R W Elbers
Using annual serologic surveillance data from all poultry farms in the Netherlands during 2007-2013, we quantified the risk for the introduction of low pathogenicity avian influenza virus (LPAIV) in different types of poultry production farms and putative spatial-environmental risk factors: distance from poultry farms to clay soil, waterways, and wild waterfowl areas. Outdoor-layer, turkey (meat and breeder), and duck (meat and breeder) farms had a significantly higher risk for LPAIV introduction than did indoor-layer farms...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28820138/processes-underlying-rabies-virus-incursions-across-us-canada-border-as-revealed-by-whole-genome-phylogeography
#12
Hannah Trewby, Susan A Nadin-Davis, Leslie A Real, Roman Biek
Disease control programs aim to constrain and reduce the spread of infection. Human disease interventions such as wildlife vaccination play a major role in determining the limits of a pathogen's spatial distribution. Over the past few decades, a raccoon-specific variant of rabies virus (RRV) has invaded large areas of eastern North America. Although expansion into Canada has been largely prevented through vaccination along the US border, several outbreaks have occurred in Canada. Applying phylogeographic approaches to 289 RRV whole-genome sequences derived from isolates collected in Canada and adjacent US states, we examined the processes underlying these outbreaks...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28820086/stenotrophomonas-bentonitica-sp-nov-isolated-from-bentonite-formations
#13
Iván Sánchez-Castro, Miguel Angel Ruiz-Fresneda, Mohammed Bakkali, Peter Kämpfer, Stefanie P Glaeser, Hans Jürgen Busse, Margarita López-Fernández, Pablo Martínez-Rodríguez, Mohamed Larbi Merroun
A Gram-stain negative, rod-shaped, aerobic bacterial strain, BII-R7T, was isolated during a study targeting the culture-dependent microbial diversity occurring in bentonite formations from southern Spain. Comparative 16S rRNA gene sequence analysis showed that BII-R7T represented a member of the genus Stenotrophomonas (class Gammaproteobacteria), and was related most closely to Stenotrophomonas rhizophila e-p10T (99.2 % sequence similarity), followed by Stenotrophomonas pavanii ICB 89T (98.5 %), Stenotrophomonas maltophilia IAM 12423T, Stenotrophomonas chelatiphaga LPM-5T and Stenotrophomonas tumulicola T5916-2-1bT (all 98...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28819996/commercial-golf-glove-effects-on-golf-performance-and-forearm-muscle-activity
#14
Graeme G Sorbie, Paul Darroch, Fergal M Grace, Yaodong Gu, Julien S Baker, Ukadike C Ugbolue
The study aimed to determine whether or not commercial golf gloves influence performance variables and forearm muscle activity during golf play. Fifteen golfers participated in the laboratory based study, each performing 8 golf swings with a Driver and 7-iron whilst wearing a glove and 8 without wearing the glove. Club head speed, ball speed and absolute carry distance performance variables were calculated. Surface electromyography was recorded from the flexor digitorum superficialis and extensor carpi radialis brevis on both forearm muscles...
August 18, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28819985/prediction-of-labor-outcome-using-serial-transperineal-ultrasound-in-the-first-stage-of-labor
#15
Chung Ming Chor, Liona Chiu Yee Poon, Tak Yeung Leung
OBJECTIVE: To evaluate the feasibility of predicting labor outcome using serial transperineal ultrasound (TPU) in the early active phase of labor. METHODS: This is a single center prospective observational study in a tertiary obstetrics unit in Hong Kong. Nulliparous women carrying singleton pregnancy at the onset of active phase of labor were recruited. Serial 3D volumes by TPU were acquired and then repeated after 1 and 2 hours, which were subsequently analyzed for fetal head symphyseal distance (HSD), angle of progression (AoP) and fetal head progression distance (PD)...
August 18, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28819691/hypoxia-affects-tissue-oxygenation-differently-in-the-thigh-and-calf-muscles-during-incremental-running
#16
Takuya Osawa, Takuma Arimitsu, Hideyuki Takahashi
PURPOSE: The present study was performed to determine the impact of hypoxia on working muscle oxygenation during incremental running, and to compare tissue oxygenation between the thigh and calf muscles. METHODS: Nine distance runners and triathletes performed incremental running tests to exhaustion under normoxic and hypoxic conditions (fraction of inspired oxygen = 0.15). Peak pulmonary oxygen uptake ([Formula: see text]) and tissue oxygen saturation (StO2) were measured simultaneously in both the vastus lateralis and medial gastrocnemius...
August 17, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28819646/a-molecular-quantum-spin-network-controlled-by-a-single-qubit
#17
Lukas Schlipf, Thomas Oeckinghaus, Kebiao Xu, Durga Bhaktavatsala Rao Dasari, Andrea Zappe, Felipe Fávaro de Oliveira, Bastian Kern, Mykhailo Azarkh, Malte Drescher, Markus Ternes, Klaus Kern, Jörg Wrachtrup, Amit Finkler
Scalable quantum technologies require an unprecedented combination of precision and complexity for designing stable structures of well-controllable quantum systems on the nanoscale. It is a challenging task to find a suitable elementary building block, of which a quantum network can be comprised in a scalable way. We present the working principle of such a basic unit, engineered using molecular chemistry, whose collective control and readout are executed using a nitrogen vacancy (NV) center in diamond. The basic unit we investigate is a synthetic polyproline with electron spins localized on attached molecular side groups separated by a few nanometers...
August 2017: Science Advances
https://www.readbyqxmd.com/read/28819465/chemical-control-and-spectral-fingerprints-of-electronic-coupling-in-carbon-nanostructures
#18
Jacek Kłos, Mijin Kim, Millard H Alexander, YuHuang Wang
The optical and electronic properties of atomically thin materials such as single-walled carbon nanotubes and graphene are sensitively influenced by substrates, the degree of aggregation, and the chemical environment. However, it has been experimentally challenging to determine the origin and quantify these effects. Here we use time-dependent density-functional-theory calculations to simulate these properties for well-defined molecular systems. We investigate a series of core-shell structures containing C60 enclosed in progressively larger carbon shells and their perhydrogenated or perfluorinated derivatives...
December 29, 2016: Journal of Physical Chemistry. C, Nanomaterials and Interfaces
https://www.readbyqxmd.com/read/28819344/positioning-performance-of-power-and-manual-drivers-in-posterior-spinal-fusion-procedures
#19
J Micah Prendergast, Alexander C Perry, Vikas V Patel, Emily M Lindley, Mark E Rentschler
This work presents an analysis and comparison of the efficacy of two methods for pedicle screw placement during posterior spinal fusion surgery. A total of 100 screws (64 manual and 36 power driven), all placed utilizing a surgical navigation system, were analyzed and compared. Final screw placement was compared to initial surgical plans using the navigation system, and the final screw locations were analyzed on the basis of angular deviation from these planned trajectories as well as screw translation within a critical reference plane...
2017: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/28819286/shift-current-photovoltaic-effect-in-a-ferroelectric-charge-transfer-complex
#20
M Nakamura, S Horiuchi, F Kagawa, N Ogawa, T Kurumaji, Y Tokura, M Kawasaki
Shift current is a steady-state photocurrent generated in non-centrosymmetric single crystals and has been considered to be one of the major origins of the bulk photovoltaic effect. The mechanism of this effect is the transfer of photogenerated charges by the shift of the wave functions, and its amplitude is closely related to the polarization of the electronic origin. Here, we report the photovoltaic effect in an organic molecular crystal tetrathiafulvalene-p-chloranil with a large ferroelectric polarization mostly induced by the intermolecular charge transfer...
August 17, 2017: Nature Communications
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