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https://www.readbyqxmd.com/read/28719869/effectiveness-of-table-top-water-pitcher-filters-to-remove-arsenic-from-drinking-water
#1
Roxanna Barnaby, Amanda Liefeld, Brian P Jackson, Thomas H Hampton, Bruce A Stanton
Arsenic contamination of drinking water is a serious threat to the health of hundreds of millions of people worldwide. In the United States ~3 million individuals drink well water that contains arsenic levels above the Environmental Protection Agency (EPA) maximum contaminant level (MCL) of 10μg/L. Several technologies are available to remove arsenic from well water including anion exchange, adsorptive media and reverse osmosis. In addition, bottled water is an alternative to drinking well water contaminated with arsenic...
July 15, 2017: Environmental Research
https://www.readbyqxmd.com/read/28719666/effects-of-prey-pitcher-age-and-microbes-on-acid-phosphatase-activity-in-fluid-from-pitchers-of-sarracenia-purpurea-sarraceniaceae
#2
Carl S Luciano, Sandra J Newell
Carnivory in pitcher plants generally involves digestion of prey, by the plant itself, by symbionts, or both. While symbionts appear to be important in the digestion of prey in Sarracenia purpurea, the importance of pitcher-derived enzymes is less well documented. Our goal was to reduce microbial numbers in pitcher fluid in order to measure the acid phosphatase activity attributable to the pitchers themselves. Preliminary experiments indicated that various antibiotics were minimally effective at reducing microbial populations and that antibiotic-resistant microbes were easily cultured from pitcher fluid...
2017: PloS One
https://www.readbyqxmd.com/read/28716926/global-analysis-of-depletion-and-recovery-of-seabed-biota-after-bottom-trawling-disturbance
#3
Jan Geert Hiddink, Simon Jennings, Marija Sciberras, Claire L Szostek, Kathryn M Hughes, Nick Ellis, Adriaan D Rijnsdorp, Robert A McConnaughey, Tessa Mazor, Ray Hilborn, Jeremy S Collie, C Roland Pitcher, Ricardo O Amoroso, Ana M Parma, Petri Suuronen, Michel J Kaiser
Bottom trawling is the most widespread human activity affecting seabed habitats. Here, we collate all available data for experimental and comparative studies of trawling impacts on whole communities of seabed macroinvertebrates on sedimentary habitats and develop widely applicable methods to estimate depletion and recovery rates of biota after trawling. Depletion of biota and trawl penetration into the seabed are highly correlated. Otter trawls caused the least depletion, removing 6% of biota per pass and penetrating the seabed on average down to 2...
July 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28706013/comment-on-molecular-and-neural-basis-of-contagious-itch-behavior-in-mice
#4
Jaquette Liljencrantz, Mark H Pitcher, Lucie A Low, Lucy Bauer, M Catherine Bushnell
Yu et al (Reports, 10 March 2017, p. 1072) state that contagious itch occurs in mice based on imitative scratching in normal mice observing excessive scratching in genetically modified demonstrator mice. However, despite employing multiple behavioral analysis approaches, we were unable to extend these findings to normal mice observing the well-established histamine model of acute itch in demonstrator mice.
July 14, 2017: Science
https://www.readbyqxmd.com/read/28701678/paget-schroetter-syndrome-in-a-baseball-pitcher
#5
Shusuke Yagi, Minoru Mitsugi, Teruaki Sangawa, Masashi Akaike, Masataka Sata
Paget-Schroetter syndrome (PSS) is thrombosis of the deep veins draining the upper extremity due to anatomic abnormalities of the thoracic outlet that cause subclavian compression and subsequent thrombosis, leading to thrombus formation in the subclavian vein. Vigorous arm activity in sports is a known risk factor. Here, we report a case of Paget-Schroetter syndrome in a 31-year-old male non-professional baseball pitcher.
July 13, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28693940/parkinson-s-in-the-oldest-old-impact-on-estimates-of-future-disease-burden
#6
D J Myall, T L Pitcher, J F Pearson, J C Dalrymple-Alford, T J Anderson, M R MacAskill
BACKGROUND: Traditionally the risk of Parkinson's has been considered to increase monotonically with age, although there is evidence that prevalence and incidence may decrease in the oldest old. To examine this further we estimated the national prevalence and incidence of Parkinson's in New Zealand, using drug-tracing methods, to examine the relationship of Parkinson's with sex and age up to 100+. METHODS: Information on Parkinson's-related medications was extracted from the national pharmaceutical database of community-dispensed medications from 2005 to 2014...
June 27, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28692836/multi-body-dynamic-coupling-mechanism-for-generating-throwing-arm-velocity-during-baseball-pitching
#7
Kozo Naito, Tokio Takagi, Hideaki Kubota, Takeo Maruyama
The purpose of this study was to identify the detailed mechanism how the maximum throwing arm endpoint velocity is determined by the muscular torques and non-muscular interactive torques from the perspective of the dynamic coupling among the trunk, thorax and throwing and non-throwing arm segments. The pitching movements of ten male collegiate baseball pitchers were measured by a three-dimensional motion capture system. Using the induced-segmental velocity analysis (IVA) developed in this study, the maximum fingertip velocity of the throwing arm (MFV) was decomposed into each contribution of the muscular torques, passive motion-dependent torques due to gyroscopic moment, Coriolis force and centrifugal force, and other interactive torque components...
July 7, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28690460/analysis-of-player-statistics-in-major-league-baseball-players-before-and-after-achilles-tendon-repair
#8
Bryan M Saltzman, Matthew W Tetreault, Daniel D Bohl, Danielle Tetreault, Simon Lee, Bernard R Bach
BACKGROUND: No currently available literature evaluates the effect of Achilles tendon repair on professional baseball players in the Major League Baseball (MLB). QUESTIONS/PURPOSES: The purpose of this study was to determine the impact of Achilles tendon rupture and repair on MLB players in terms of return to play and batting/fielding performance metrics. METHODS: Achilles tendon rupture data were retrospectively collected using information from the MLB disabled list, injury reports, MLB game summaries, player profiles, and publicly available news articles...
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28689823/performance-and-return-to-sport-in-elite-baseball-players-and-recreational-athletes-following-repair-of-the-latissimus-dorsi-and-teres-major
#9
Brandon J Erickson, Peter N Chalmers, Brian R Waterman, Justin W Griffin, Anthony A Romeo
BACKGROUND: Tears of the latissimus dorsi (LD) and teres major (TM) are rare but disabling injuries in the overhead athlete. METHODS: All patients who underwent an LD and/or TM repair between January 1, 2010, and June 6, 2016, with more than 12 months' follow-up were included. Demographic information and postoperative range of motion were recorded. Patients were contacted via phone and answered questions to provide the following: Kerlan-Jobe Orthopaedic Clinic (KJOC) shoulder and elbow outcome score, American Shoulder and Elbow Surgeons (ASES) shoulder score, and visual analog scale (VAS) score...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28675392/interleukin33-deficiency-causes-tau-abnormality-and-neurodegeneration-with-alzheimer-like-symptoms-in-aged-mice
#10
C Carlock, J Wu, J Shim, I Moreno-Gonzalez, M R Pitcher, J Hicks, A Suzuki, J Iwata, J Quevado, Y Lou
Late-onset Alzheimer's disease (AD) remains a medical mystery. Recent studies have linked it to impaired repair of aged neurons. Potential involvement of interleukin33 (IL33) in AD has been reported. Here we show that IL33, which was expressed by up to 75% astrocytes in the aged brains, was critical for repair of aged neurons. Mice lacking Il33 gene (Il33(-/-)) developed AD-like disease after 60-80 weeks, which was characterized by tau abnormality and a heavy loss of neurons/neurites in the cerebral cortex and hippocampus accompanied with cognition/memory impairment...
July 4, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28666052/rare-dual-lesion-extraskeletal-osteosarcoma-developing-within-a-simple-lipoma
#11
Jonathan Tresley, Ross Wodicka, Andrew Rosenberg, John D Pitcher, Ty K Subhawong
Extraosseous osteosarcoma is a rare malignancy, but simple lipomas are common. This article is the first report of a case of radiation-induced extraosseous osteosarcoma that developed within a simple lipoma in a 72-year-old woman. We correlate the magnetic resonance imaging, computed tomography, positron emission tomography, and plain radiographic findings. The patient, treated with systemic therapy and wide surgical resection of the neoplasm, remained clinically free of disease during the first 22 months of follow-up...
May 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28659281/diverse-roads-to-relapse-a-discriminative-cue-signaling-cocaine-availability-is-more-effective-in-renewing-cocaine-seeking-in-goal-trackers-than-sign-trackers-and-depends-on-basal-forebrain-cholinergic-activity
#12
Kyle K Pitchers, Kyra B Phillips, Jonte L Jones, Terry E Robinson, Martin Sarter
Stimuli associated with taking drugs are notorious instigators of relapse. There is, however, considerable variation in the motivational properties of such stimuli, both as a function of the individual and the nature of the stimulus. The behavior of some individuals (sign-trackers, STs) is especially influenced by cues paired with reward delivery, perhaps because they are prone to process information via dopamine-dependent, cue-driven, incentive salience systems. Other individuals (goal-trackers, GTs) are better able to incorporate higher-order contextual information, perhaps because of better executive/attentional control over behavior, which requires frontal cortical cholinergic activity...
June 28, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28654442/low-intensity-pulsed-ultrasound-therapy-for-a-symptomatic-persistent-olecranon-physis-in-an-adolescent-baseball-pitcher
#13
Kenneth Botwin, Thurston McMillen, Ariel Botwin
A 15-year-old competitive right-handed high school baseball pitcher experienced an acute onset of right elbow pain when throwing. He initially treated it conservatively with rest alone for 3 months, but on return to throwing, he was still experiencing pain. Radiographs revealed that he had a persistent olecranon physis. He proceeded with a trial of low-intensity pulsed ultrasound therapy and attained radiographic evidence of bony union at 7 months postinjury, thus avoiding surgical intervention. He returned to pitching competitively 9 months after injury without elbow pain...
June 22, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28644481/redox-controlled-potassium-intercalation-into-two-polyaromatic-hydrocarbon-solids
#14
F Denis Romero, M J Pitcher, C I Hiley, G F S Whitehead, S Kar, A Y Ganin, D Antypov, C Collins, M S Dyer, G Klupp, R H Colman, K Prassides, M J Rosseinsky
Alkali metal intercalation into polyaromatic hydrocarbons (PAHs) has been studied intensely after reports of superconductivity in a number of potassium- and rubidium-intercalated materials. There are, however, no reported crystal structures to inform our understanding of the chemistry and physics because of the complex reactivity of PAHs with strong reducing agents at high temperature. Here we present the synthesis of crystalline K2Pentacene and K2Picene by a solid-solid insertion protocol that uses potassium hydride as a redox-controlled reducing agent to access the PAH dianions, and so enables the determination of their crystal structures...
July 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28644442/linking-the-development-and-functioning-of-a-carnivorous-pitcher-plant-s-microbial-digestive-community
#15
David W Armitage
Ecosystem development theory predicts that successional turnover in community composition can influence ecosystem functioning. However, tests of this theory in natural systems are made difficult by a lack of replicable and tractable model systems. Using the microbial digestive associates of a carnivorous pitcher plant, I tested hypotheses linking host age-driven microbial community development to host functioning. Monitoring the yearlong development of independent microbial digestive communities in two pitcher plant populations revealed a number of trends in community succession matching theoretical predictions...
June 23, 2017: ISME Journal
https://www.readbyqxmd.com/read/28638598/caregiver-burden-is-increased-in-parkinson-s-disease-with-mild-cognitive-impairment-pd-mci
#16
Ann J Jones, Roeline G Kuijer, Leslie Livingston, Daniel Myall, Kyla Horne, Michael MacAskill, Toni Pitcher, Paul T Barrett, Tim J Anderson, John C Dalrymple-Alford
BACKGROUND: There is limited evidence on caregiver outcomes associated with mild cognitive impairment in patients with Parkinson's disease (PD-MCI) and the coping strategies used by these caregivers. METHODS: To investigate this relationship, we examined levels of burden, depression, anxiety, coping strategies and positive aspects of caregiving in the informal caregivers of 96 PD patients. The PD patients were classified using MDS-Task Force Level II criteria as showing either normal cognition (PD-N; n = 51), PD-MCI (n = 30) or with dementia (PDD; n = 15)...
2017: Translational Neurodegeneration
https://www.readbyqxmd.com/read/28634254/widespread-paleopolyploidy-gene-tree-conflict-and-recalcitrant-relationships-among-the-carnivorous-caryophyllales
#17
Joseph F Walker, Ya Yang, Michael J Moore, Jessica Mikenas, Alfonso Timoneda, Samuel F Brockington, Stephen A Smith
PREMISE OF STUDY: The carnivorous members of the large, hyperdiverse Caryophyllales (e.g., Venus flytrap, sundews, and Nepenthes pitcher plants) represent perhaps the oldest and most diverse lineage of carnivorous plants. However, despite numerous studies seeking to elucidate their evolutionary relationships, the early-diverging relationships remain unresolved. METHODS: To explore the utility of phylogenomic data sets for resolving relationships among the carnivorous Caryophyllales, we sequenced 10 transcriptomes, including all the carnivorous genera except those in the rare West African liana family Dioncophyllaceae...
June 20, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28633402/pitcher-perfect-arrhythmia-monitoring-at-the-munich-oktoberfest
#18
Jorge A Wong, David Conen
No abstract text is available yet for this article.
June 13, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28632054/middle-finger-and-ball-movements-around-ball-release-during-baseball-fastball-pitching
#19
Tomoyuki Matsuo, Tsutomu Jinji, Daisaku Hirayama, Daiki Nasu, Hiroki Ozaki, Daisuke Kumagawa
The objectives of this study were to investigate middle finger movements and dynamics of ball movements around the instant of ball release during baseball pitching. Baseball pitching from an indoor mound among 14 semi-professional pitchers was captured using a motion capture system with 16 high-speed cameras (1,000 Hz). Kinematics of middle finger joints, ball rotation, and force applied to the ball were calculated. The proximal and distal interphalangeal joints continued to extend until the instant of ball release, then abruptly flexed...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28631593/a-denv-2-type-specific-monoclonal-antibody-binds-to-the-denv-complex-reactive-antigenic-site-on-envelope-protein-domain-3
#20
Vanessa V Sarathy, Trevor J Pitcher, Gregory D Gromowski, John T Roehrig, Alan D T Barrett
The Dengue virus (DENV) envelope (E) protein is the major component of the viral surface and is structurally subdivided into three domains, ED1, ED2 and ED3. ED3 elicits potent neutralizing antibodies and contains two major antigenic sites: the DENV-type-specific and DENV-complex-reactive antigenic sites. Each site is composed of a limited subset of residues that are required for monoclonal antibody (mAb) binding. Here we show that DENV-2-type-specific mAb 9A3D-8 utilizes the functionally critical residues K307, V308, K310, I312, P332, L387, L389 and N390 for ED3 binding...
June 2017: Journal of General Virology
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