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https://www.readbyqxmd.com/read/28648372/moss-bag-monitoring-as-screening-technique-to-estimate-the-relevance-of-methylated-arsine-emission
#1
Julia Arndt, Britta Planer-Friedrich
Volatile arsenic (As) species, like arsine, mono-, di-, and trimethylarsine (AsH3, MeAsH2, Me2AsH, Me3As) are difficult to sample in remote areas without sophisticated equipment. The application of moss bags is an easy-to-apply screening technique which has been used for trapping total (mostly particulate) As from different emission sources before. We evaluated its potential for additional volatile As species screening. We found Me2AsH and Me3As in N2 atmosphere to be quantitatively trapped on the mosses and to be recoverable as their respective pentavalent acids (and/or oxyanions) when ground mosses were heated for 90min at 90°C in 0...
June 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28645091/a-survey-of-natural-terrestrial-and-airborne-radionuclides-in-moss-samples-from-the-peninsular-thailand
#2
Komrit Wattanavatee, Miodrag Krmar, Tripob Bhongsuwan
The aim of this study was to determine the activity concentrations of natural terrestrial radionuclides ((238)U, (226)Ra, (232)Th and (40)K) and airborne radionuclides ((210)Pb, (210)Pbex and (7)Be) in natural terrestrial mosses. The collected moss samples (46) representing 17 species were collected from 17 sampling localities in the National Parks and Wildlife Sanctuaries of Thailand, situated in the mountainous areas between the northern and the southern ends of peninsular Thailand (∼7-12 °N, 99-102 °E)...
June 20, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28644828/a-mutant-of-chlamydomonas-without-lhcsr-maintains-high-rates-of-photosynthesis-but-has-reduced-cell-division-rates-in-sinusoidal-light-conditions
#3
Michael Cantrell, Graham Peers
The LHCSR protein belongs to the light harvesting complex family of pigment-binding proteins found in oxygenic photoautotrophs. Previous studies have shown that this complex is required for the rapid induction and relaxation of excess light energy dissipation in a wide range of eukaryotic algae and moss. The ability of cells to rapidly regulate light harvesting between this dissipation state and one favoring photochemistry is believed to be important for reducing oxidative stress and maintaining high photosynthetic efficiency in a rapidly changing light environment...
2017: PloS One
https://www.readbyqxmd.com/read/28642124/identification-of-genetic-variants-associated-with-huntington-s-disease-progression-a-genome-wide-association-study
#4
Davina J Hensman Moss, Antonio F Pardiñas, Douglas Langbehn, Kitty Lo, Blair R Leavitt, Raymund Roos, Alexandra Durr, Simon Mead, Peter Holmans, Lesley Jones, Sarah J Tabrizi
BACKGROUND: Huntington's disease is caused by a CAG repeat expansion in the huntingtin gene, HTT. Age at onset has been used as a quantitative phenotype in genetic analysis looking for Huntington's disease modifiers, but is hard to define and not always available. Therefore, we aimed to generate a novel measure of disease progression and to identify genetic markers associated with this progression measure. METHODS: We generated a progression score on the basis of principal component analysis of prospectively acquired longitudinal changes in motor, cognitive, and imaging measures in the 218 indivduals in the TRACK-HD cohort of Huntington's disease gene mutation carriers (data collected 2008-11)...
June 19, 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28641821/insurance-coverage-among-women-diagnosed-with-a-gynecologic-malignancy-before-and-after-implementation-of-the-affordable-care-act
#5
Haley A Moss, Laura J Havrilesky, Junzo Chino
OBJECTIVE: The Patient Protection and Affordable Care Act (ACA) included provisions to expand insurance coverage by expanding Medicaid eligibility, providing subsidies of private coverage and enforcing an individual mandate. The objective of this study is to examine the impact of the ACA on insurance rates among women diagnosed with a gynecologic malignancy. METHODS: Using Surveillance, Epidemiology, and End Results 18 registries database, women newly diagnosed with cervical, uterine or ovarian cancer between 2008 and 2014 were identified...
June 19, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28641797/sympathetic-denervation-to-treat-refractory-ventricular-tachycardia-do-we-have-the-nerve
#6
EDITORIAL
Edward P Gerstenfeld, Joshua D Moss
No abstract text is available yet for this article.
June 27, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28640014/potential-impact-of-risk-and-loss-aversion-on-the-process-of-accepting-kidneys-for-transplantation
#7
Raymond L Heilman, Ellen P Green, Kunam S Reddy, Adyr Moss, Bruce Kaplan
Behavioral economic theory suggests that people make decisions based on maximizing perceived value; however, this may be influenced more by the risk of loss rather than of potential gain. Additionally, individuals may seek certainty over uncertainty. These are termed loss aversion and risk aversion, respectively. Loss aversion is particularly sensitive to how the decision is "framed." Thus, labeling a kidney as high Kidney Donor Profile Index results in higher discard rates because this creates a nonlinearity in perceived risk...
July 2017: Transplantation
https://www.readbyqxmd.com/read/28639408/quantifying-long-term-impact-of-zoo-and-aquarium-visits-on-biodiversity-related-learning-outcomes
#8
Eric A Jensen, Andrew Moss, Markus Gusset
Zoos and aquariums aim to achieve lasting impact on their public audiences' awareness of biodiversity, its value, and the steps they can take to conserve it. Here, we evaluate the long-term educational impact of visits to zoos and aquariums on biodiversity understanding and knowledge of actions to help protect biodiversity. A minimum of two years after completing a repeated-measures survey before and after visiting a zoo or aquarium, the same participants were invited to take part in a follow-up online survey...
June 21, 2017: Zoo Biology
https://www.readbyqxmd.com/read/28638608/the-role-of-psychological-factors-in-fatigue-among-end-stage-kidney-disease-patients-a-critical-review
#9
Federica Picariello, Rona Moss-Morris, Iain C Macdougall, And Joseph Chilcot
Fatigue is a common and debilitating symptom, affecting 42-89% of end-stage kidney disease patients, persisting even in pre-dialysis care and stable kidney transplantation, with huge repercussions on functioning, quality of life and patient outcomes. This paper presents a critical review of current evidence for the role of psychological factors in renal fatigue. To date, research has concentrated primarily on the contribution of depression, anxiety and subjective sleep quality to the experience of fatigue. These factors display consistent and strong associations with fatigue, above and beyond the role of demographic and clinical factors...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28637708/hypohydration-impairs-endurance-performance-a-blinded-study
#10
Lewis J James, Jodie Moss, Joshua Henry, Charikleia Papadopoulou, Stephen A Mears
The general scientific consensus is that starting exercise with hypohydration >2% body mass impairs endurance performance/capacity, but most previous studies might be confounded by a lack of subject blinding. This study examined the effect of hypohydration in a single blind manner using combined oral and intragastric rehydration to manipulate hydration status. After familiarization, seven active males (mean ± SD: age 25 ± 2 years, height 1.79 ± 0.07, body mass 78.6 ± 6.2, VO2peak 48 ± 7 mL·kg·min(-1)) completed two randomized trials at 34°C...
June 2017: Physiological Reports
https://www.readbyqxmd.com/read/28637706/endothelial-mineralocorticoid-receptor-contributes-to-systolic-dysfunction-induced-by-pressure-overload-without-modulating-cardiac-hypertrophy-or-inflammation
#11
Ane M Salvador, M Elizabeth Moss, Mark Aronovitz, Kathleen B Mueller, Robert M Blanton, Iris Z Jaffe, Pilar Alcaide
Heart Failure (HF) is associated with increased circulating levels of aldosterone and systemic inflammation. Mineralocorticoid receptor (MR) antagonists block aldosterone action and decrease mortality in patients with congestive HF However, the molecular mechanisms underlying the therapeutic benefits of MR antagonists remain unclear. MR is expressed in all cell types in the heart, including the endothelial cells (EC), in which aldosterone induces the expression of intercellular adhesion molecule 1 (ICAM-1)...
June 2017: Physiological Reports
https://www.readbyqxmd.com/read/28633738/sebaceous-carcinoma-on-the-arm-of-a-10-year-old-girl
#12
Stephen K Stacey, Tyler A Moss, Todd T Kobayashi
We report a case of a 10 year-old girl diagnosed with sebaceous carcinoma of the posterior left arm. The presented case reviews the histopathological and immunohistochemical characteristics of this malignancy, including a review of the literature in pediatric patients regarding prognosis and treatment. Sebaceous carcinoma is a malignant neoplasm with sebaceous differentiation, typically occurring in the sixth-to-seventh decades of life. It most commonly arises in the periocular region. It is extremely rare in the pediatric population...
June 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28625384/effects-of-implantable-cardioverter-defibrillator-shock-and-antitachycardia-pacing-on-anxiety-and-quality-of-life-a-madit-rit-substudy
#13
Alessandro Paoletti Perini, Valentina Kutyifa, Peter Veazie, James P Daubert, Claudio Schuger, Wojciech Zareba, Scott McNitt, Spencer Rosero, Christine Tompkins, Luigi Padeletti, Arthur J Moss
Effects of implantable cardioverter/defibrillator (ICD) shocks and antitachycardia pacing (ATP) on anxiety and quality of life (QoL) in ICD patients are poorly understood. METHODS: We evaluated changes in QoL from baseline to 9-month follow-up using the EQ-5D questionnaire in patients enrolled in the Multicenter Automatic Defibrillator Implantation Trial-Reduce Inappropriate Therapy (MADIT-RIT) (n=1,268). We assessed anxiety levels using the Florida Shock Anxiety Scale (1-10 score) in patients with appropriate or inappropriate shocks or ATP compared to those with no ICD therapy during the first 9 months postimplant...
July 2017: American Heart Journal
https://www.readbyqxmd.com/read/28625372/multicenter-automatic-defibrillator-implantation-trial-subcutaneous-implantable-cardioverter-defibrillator-madit-s-icd-design-and-clinical-protocol
#14
Valentina Kutyifa, Christopher Beck, Mary W Brown, David Cannom, James Daubert, Mark Estes, Henry Greenberg, Ilan Goldenberg, Stephen Hammes, David Huang, Helmut Klein, Reinoud Knops, Mikhail Kosiborod, Jeanne Poole, Claudio Schuger, Jagmeet P Singh, Scott Solomon, David Wilber, Wojciech Zareba, Arthur J Moss
Patients with diabetes mellitus, prior myocardial infarction, older age, and a relatively preserved left ventricular ejection fraction remain at risk for sudden cardiac death that is potentially amenable by the subcutaneous implantable cardioverter defibrillator with a good risk-benefit profile. The launched MADIT S-ICD study is designed to test the hypothesis that post-myocardial infarction diabetes patients with relatively preserved ejection fraction of 36%-50% will have a survival benefit from a subcutaneous implantable cardioverter defibrillator...
July 2017: American Heart Journal
https://www.readbyqxmd.com/read/28623799/assessment-of-species-specific-and-temporal-variations-of-major-trace-and-rare-earth-elements-in-vineyard-ambient-using-moss-bags
#15
Tijana Milićević, M Aničić Urošević, Gordana Vuković, Sandra Škrivanj, Dubravka Relić, Marina V Frontasyeva, Aleksandar Popović
Since the methodological parameters of moss bag biomonitoring have rarely been investigated for the application in agricultural areas, two mosses, Sphagnum girgensohnii (a species of the most recommended biomonitoring genus) and Hypnum cupressiforme (commonly available), were verified in a vineyard ambient. The moss bags were exposed along transects in six vineyard parcels during the grapevine season (March‒September 2015). To select an appropriate period for the reliable 'signal' of the element enrichment in the mosses, the bags were simultaneously exposed during five periods (3 × 2 months, 1 × 4 months, and 1 × 6 months)...
June 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28623694/monitoring-of-nanoclay-protein-adsorption-isotherms-via-fluorescence-techniques
#16
Tom Felbeck, Sebastian Moss, Alexandre M P Botas, Marina M Lezhnina, Rute A S Ferreira, Luís D Carlos, Ulrich H Kynast
The investigation of nanoparticles and their interaction with bio-macromolecules have become an important issue; the widely discussed protein corona around nanoparticles and their biological fate in general have drawn particular attention. Here, we focus on nanoclay dispersions and the use of solvatochromic fluorescent dyes (Dansyl and Coumarin 153) for monitoring the interaction with two model proteins, bovine serum albumin and β-lactoglobulin. On one hand, these dyes are poorly emissive in water, but experience a boost in their fluorescence when adsorbed into the hydrophobic domains of proteins...
June 6, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28621012/supporting-people-with-aphasia-to-settle-into-a-new-way-to-be-speech-and-language-therapists-views-on-providing-psychosocial-support
#17
Sarah Northcott, Alan Simpson, Becky Moss, Nafiso Ahmed, Katerina Hilari
BACKGROUND: People with aphasia are at risk of becoming depressed and isolated. Online surveys have found that the majority of speech and language therapists (SLTs) lack confidence in addressing the psychological needs of people with aphasia. AIMS: To explore how SLTs conceptualize the scope of their role; barriers and facilitators to SLTs addressing psychosocial needs; and SLTs' experiences of specialist training and support, and working with mental health professionals (MHPs)...
June 16, 2017: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/28614011/structural-basis-for-cd4-t-cell-epitope-dominance-in-arbo-flavivirus-envelope-proteins-a-meta-analysis
#18
Samuel J Landry, Daniel L Moss, Da Cui, Ryan P Ferrie, Mitchell L Fullerton, Evan A Wells, Lu Yang, Nini Zhou, Thomas Dougherty, Ramgopal R Mettu
A meta-analysis of CD4+ T cell epitope maps reveals clusters and gaps in envelope-protein (E protein) immunogenicity that can be explained by the likelihood of epitope processing, as determined by E protein three-dimensional structures. Differential processing may be at least partially responsible for variations in disease severity among arbo-flaviruses and points to structural features that modulate protection from disease.
June 14, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28613922/apparent-sporadic-lymphangioleiomyomatosis-lam-in-a-man-due-to-extreme-mosaicism-for-a-tsc2-mutation
#19
MeiLan K Han, Magdalena E Tyburczy, Thomas N Darling, Ella A Kazerooni, Jeffrey L Myers, Francis X McCormack, Joel Moss, David J Kwiatkowski
No abstract text is available yet for this article.
June 14, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28612854/fragile-x-mental-retardation-protein-recognizes-a-g-quadruplex-structure-within-the-survival-motor-neuron-domain-containing-1-mrna-5-utr
#20
Damian S McAninch, Ashley M Heinaman, Cara N Lang, Kathryn R Moss, Gary J Bassell, Mihaela Rita Mihailescu, Timothy L Evans
G quadruplex structures have been predicted by bioinformatics to form in the 5'- and 3'-untranslated regions (UTRs) of several thousand mature mRNAs and are believed to play a role in translation regulation. Elucidation of these roles has primarily been focused on the 3'-UTR, with limited focus on characterizing the G quadruplex structures and functions in the 5'-UTR. Investigation of the affinity and specificity of RNA binding proteins for 5'-UTR G quadruplexes and the resulting regulatory effects have also been limited...
June 14, 2017: Molecular BioSystems
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