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https://www.readbyqxmd.com/read/28340138/a-life-without-worms
#1
Richard E Sanya, Gyaviira Nkurunungi, Irene Andia Biraro, Harriet Mpairwe, Alison M Elliott
Worms have co-evolved with humans over millions of years. To survive, they manipulate host systems by modulating immune responses so that they cause (in the majority of hosts) relatively subtle harm. Anthelminthic treatment has been promoted as a measure for averting worm specific pathology and to mitigate subtle morbidities which may include effects on anaemia, growth, cognitive function and economic activity. With our changing environment marked by rapid population growth, urbanisation, better hygiene practices and anthelminthic treatment, there has been a decline in worm infections and other infectious diseases and a rise in non-communicable diseases such as allergy, diabetes and cardiovascular disease...
March 18, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28339461/mass-elevation-and-lee-effects-markedly-lift-the-elevational-distribution-of-ground-beetles-in-the-himalaya-tibet-orogen
#2
Joachim Schmidt, Jürgen Böhner, Roland Brandl, Lars Opgenoorth
Mass elevation and lee effects markedly influence snow lines and tree lines in high mountain systems. However, their impact on other phenomena or groups of organisms has not yet been quantified. Here we quantitatively studied their influence in the Himalaya-Tibet orogen on the distribution of ground beetles as model organisms, specifically whether the ground beetle distribution increases from the outer to the inner parts of the orogen, against latitudinal effects. We also tested whether July temperature and solar radiation are predictors of the beetle's elevational distribution ranges...
2017: PloS One
https://www.readbyqxmd.com/read/28338774/pleiotropy-robust-mendelian-randomization
#3
Hans van Kippersluis, Cornelius A Rietveld
Background: The potential of Mendelian randomization studies is rapidly expanding due to: (i) the growing power of genome-wide association study (GWAS) meta-analyses to detect genetic variants associated with several exposures; and (ii) the increasing availability of these genetic variants in large-scale surveys. However, without a proper biological understanding of the pleiotropic working of genetic variants, a fundamental assumption of Mendelian randomization (the exclusion restriction) can always be contested...
February 22, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28338445/socioeconomic-status-and-outcomes-after-sport-related-concussion-a-preliminary-investigation
#4
Scott L Zuckerman, Brian Holt Zalneraitis, Douglas J Totten, Kolin E Rubel, Andrew W Kuhn, Aaron M Yengo-Kahn, Christopher M Bonfield, Allen K Sills, Gary S Solomon
OBJECTIVE A significant proportion of patients experience long-term symptoms after sport-related concussion (SRC), and several factors have been associated with this protracted recovery. Limited data exist on the role of socioeconomic status (SES) on SRC outcomes. The objective in this study was to conduct a preliminary investigation to determine the effect of SES on outcomes after SRC in student-athletes treated at a regional sports concussion center. METHODS A retrospective cohort study of 282 middle school, high school, and collegiate student-athletes was conducted...
March 24, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28338405/physiological-responses-to-treadmill-running-with-body-weight-support-in-hypoxia-compared-to-normoxia
#5
Ben J Lee, Charles Douglas Thake
CONTEXT: Anecdotal reports suggest elite sports clubs combine lower body positive pressure (LBPP) rehabilitation with a hypoxic stimulus in order to maintain or increase physiological and metabolic strain, which are reduced during LBPP. However the effects of hypoxia on cardiovascular and metabolic response during LBPP rehabilitation is unknown. OBJECTIVE: Evaluate the use of normobaric hypoxia as a means to increase physiological strain during body weight supported (BWS) running...
March 24, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28337982/the-fourth-crystallographic-closest-packing-unveiled-in-the-gold-nanocluster-crystal
#6
Zibao Gan, Jishi Chen, Juan Wang, Chengming Wang, Man-Bo Li, Chuanhao Yao, Shengli Zhuang, An Xu, Lingling Li, Zhikun Wu
Metal nanoclusters have recently attracted extensive interest not only for fundamental scientific research, but also for practical applications. For fundamental scientific research, it is of major importance to explore the internal structure and crystallographic arrangement. Herein, we synthesize a gold nanocluster whose composition is determined to be Au60S6(SCH2Ph)36 by using electrospray ionization mass spectrometry and single crystal X-ray crystallography (SCXC). SCXC also reveals that Au60S6(SCH2Ph)36 consists of a fcc-like Au20 kernel protected by a pair of giant Au20S3(SCH2Ph)18 staple motifs, which contain 6 tetrahedral-coordinate μ4-S atoms not previously reported in the Au-S interface...
March 24, 2017: Nature Communications
https://www.readbyqxmd.com/read/28336137/an-ultra-sensitive-method-for-the-analysis-of-perfluorinated-alkyl-acids-in-drinking-water-using-a-column-switching-high-performance-liquid-chromatography-tandem-mass-spectrometry
#7
Kavitha Dasu, Shoji F Nakayama, Mitsuha Yoshikane, Marc A Mills, J Michael Wright, Shelley Ehrlich
In epidemiological research, it has become increasingly important to assess subjects' exposure to different classes of chemicals in multiple environmental media. It is a common practice to aliquot limited volumes of samples into smaller quantities for specific trace level chemical analyses. A novel method was developed for the determination of 14 perfluorinated alkyl acids (PFAAs) in small volumes (10mL) of drinking water using off-line solid phase extraction (SPE) pre-treatment followed by on-line pre-concentration on a WAX column before analysis on column-switching high performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS)...
March 6, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28335766/barriers-to-the-conduct-and-application-of-research-in-complementary-and-alternative-medicine-a-systematic-review
#8
Yasamin Veziari, Matthew J Leach, Saravana Kumar
BACKGROUND: The popularity of Complementary and alternative medicine (CAM) has grown considerably over the past few decades. This has been accompanied by increasing public pressure for CAM to be evidence-based. Notwithstanding, the conduct and application of research in CAM faces a number of obstacles. No systematic review has mapped these barriers to date. Therefore, this systematic literature review aimed to explore, identify and map the barriers to the conduct and application of research in CAM...
March 23, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28335080/comparisons-among-mri-signs-apparent-diffusion-coefficient-and-fractional-anisotropy-in-dogs-with-a-solitary-intracranial-meningioma-or-histiocytic-sarcoma
#9
Masae Wada, Daisuke Hasegawa, Yuji Hamamoto, Yoshihiko Yu, Aki Fujiwara-Igarashi, Michio Fujita
Although MRI has become widely used in small animal practice, little is known about the validity of advanced MRI techniques such as diffusion-weighted imaging and diffusion tensor imaging. The aim of this retrospective analytical observational study was to investigate the characteristics of diffusion parameters, that is the apparent diffusion coefficient and fractional anisotropy, in dogs with a solitary intracranial meningioma or histiocytic sarcoma. Dogs were included based on the performance of diffusion MRI and histological confirmation...
March 23, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28334944/recent-trends-in-body-mass-index-and-waist-circumference-among-children-and-adolescents-in-shandong-china
#10
Ying-Xiu Zhang, Shu-Rong Wang, Min Chen, Yan Cheng
Background: The present study examined the recent trends in body mass index (BMI) and waist circumference (WC), and the prevalence of general and abdominal obesity among children and adolescents in Shandong, China. Methods: Data for this study were obtained from two cross-sectional surveys of schoolchildren carried out in 2010 and 2014 in Shandong Province, China. A total of 72 755 students aged 7-18 years were included in this study. The BMI cutoff points recommended by the International Obesity Task Force were used to define overweight and general obesity...
March 8, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28334505/effectiveness-of-an-evidence-based-practice-nurse-mentor-training-program
#11
LeeAnna Spiva, Patricia L Hart, Sara Patrick, Jessica Waggoner, Charon Jackson, Jamie L Threatt
BACKGROUND: Multiple reasons are cited for why nurses do not incorporate evidence into clinical practice, including lack of knowledge and skills, training, time, and organizational support. AIMS: To investigate the effectiveness of a mentor training program on mentors' perceptions of knowledge, attitude, skill, and confidence levels, and organizational readiness related to evidence-based practice (EBP) and research utilization; and to investigate the effectiveness of creating a formalized structure to enculturate EBP in order to prepare nurses to incorporate EBP into clinical practice on nurses' perceptions of knowledge, attitude, skill levels, barriers, nursing leadership, and organizational support related to EBP and research utilization...
March 23, 2017: Worldviews on Evidence-based Nursing
https://www.readbyqxmd.com/read/28333500/catching-fire-and-spreading-it-a-glimpse-into-displayed-entrepreneurial-passion-in-crowdfunding-campaigns
#12
Junchao Jason Li, Xiao-Ping Chen, Suresh Kotha, Greg Fisher
Crowdfunding is an emerging phenomenon that enables entrepreneurs to solicit financial contributions for new projects from mass audiences. Drawing on the elaboration likelihood model of persuasion and emotional contagion theory, the authors examined the importance of displayed entrepreneurial passion when seeking resources in a crowdfunding context. They proposed that entrepreneurs' displayed passion in the introductory video for a crowdfunding project increases viewers' experienced enthusiasm about the project (i...
March 23, 2017: Journal of Applied Psychology
https://www.readbyqxmd.com/read/28332116/sweating-rate-and-sweat-sodium-concentration-in-athletes-a-review-of-methodology-and-intra-interindividual-variability
#13
REVIEW
Lindsay B Baker
Athletes lose water and electrolytes as a consequence of thermoregulatory sweating during exercise and it is well known that the rate and composition of sweat loss can vary considerably within and among individuals. Many scientists and practitioners conduct sweat tests to determine sweat water and electrolyte losses of athletes during practice and competition. The information gleaned from sweat testing is often used to guide personalized fluid and electrolyte replacement recommendations for athletes; however, unstandardized methodological practices and challenging field conditions can produce inconsistent/inaccurate results...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28330702/-exploratory-population-study-of-overweight-and-obese-subjects-perceptions-searching-for-improved-management-practices
#14
C Crutze, B Pétré, N Dardenne, A-F Donneau, S Streel, A Albert, A Scheen, E Husson, M Guillaume
BACKGROUND: Overweight and obesity are major public health problems of growing concern. Few studies have investigated the representations and perceptions of subjects with overweight and obesity, especially in the general population, as compared to people in a medical weight loss process. The objective of this study was to fill this gap by enabling participants to express their feelings and experience about their overweight, and to assess the extent of the body mass index (BMI) as a determinant of these perceptions...
March 19, 2017: Revue D'épidémiologie et de Santé Publique
https://www.readbyqxmd.com/read/28330471/robot-assisted-gait-training-lokomat-improves-walking-function-and-activity-in-people-with-spinal-cord-injury-a-systematic-review
#15
REVIEW
Ki Yeun Nam, Hyun Jung Kim, Bum Sun Kwon, Jin-Woo Park, Ho Jun Lee, Aeri Yoo
Robot-assisted gait training (RAGT) after spinal cord injury (SCI) induces several different neurophysiological mechanisms to restore walking ability, including the activation of central pattern generators, task-specific stepping practice and massed exercise. However, there is no clear evidence for the optimal timing and efficacy of RAGT in people with SCI. The aim of our study was to assess the effects of RAGT on improvement in walking-related functional outcomes in patients with incomplete SCI compared with other rehabilitation modalities according to time elapsed since injury...
March 23, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28330386/the-effects-of-dual-therapy-intensification-with-insulin-or-dipeptidylpeptidase-4-inhibitor-on-cardiovascular-events-and-all-cause-mortality-in-patients-with-type-2-diabetes-a-retrospective-cohort-study
#16
Mamza Jil, Mehta Rajnikant, Donnelly Richard, Idris Iskandar
PURPOSE: To compare time to a composite endpoint of non-fatal acute myocardial infarction, non-fatal stroke or all-cause mortality in patients with type 2 diabetes mellitus who had their treatment intensified with a dipeptidylpeptidase-4 inhibitor or insulin following dual-therapy (metformin plus sulfonylurea) failure. METHODS: A retrospective cohort study was conducted on 5238 patients newly treated with either a dipeptidylpeptidase-4 inhibitor or insulin following dual-therapy failure (2007-2014)...
March 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28328214/proton-conductance-of-a-superior-water-stable-metal-organic-framework-and-its-composite-membrane-with-poly-vinylidene-fluoride
#17
Hong-Bin Luo, Mei Wang, Shao-Xian Liu, Chen Xue, Zheng-Fang Tian, Yang Zou, Xiao-Ming Ren
Proton-exchange membranes (PEMs) as separators have important technological applications in electrochemical devices, including fuel cells, electrochemical sensors, electrochemical reactors, and electrochromic displays. The composite membrane of a proton-conducting metal-organic framework (MOF) and an organic polymer combines the unique physical and chemical nature of the polymer and the high proton conductivity of the MOF, bringing together the best of both components to potentially fabricate high-performance PEMs...
March 22, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28327976/minion%C3%A2-nanopore-sequencing-of-environmental-metagenomes-a-synthetic-approach
#18
Bonnie L Brown, Mick Watson, Samuel S Minot, Maria C Rivera, Rima B Franklin
Background: Environmental metagenomic analysis is typically accomplished by assigning taxonomy and/or function from whole genome sequencing (WGS) or 16S amplicon sequences. Both of these approaches are limited, however, by read length, among other technical and biological factors. A nanopore-based sequencing platform, MinION™, produces reads that are ≥1×10 4 bp in length, potentially providing for more precise assignment, thereby alleviating some of the limitations inherent in determining metagenome composition from short reads...
February 24, 2017: GigaScience
https://www.readbyqxmd.com/read/28327728/in-situ-fe2n-n-doped-porous-carbon-hybrids-as-superior-catalysts-for-oxygen-reduction-reaction
#19
Xiaoxiao Huang, Ziyu Yang, Bing Dong, Yazhou Wang, Tianyu Tang, Yanglong Hou
Developing efficient and economical noble-metal free catalysts for oxygen reduction reaction (ORR) is one of the essential factors for the industrialization of fuel cells. Recent studies on transition metal ORR catalysts have become the priority to practical low-temperature fuel cells. Herein, we proposed a novel in situ design, Fe2N nanoparticles (NPs) in an N doped porous carbon matrix (Fe2N@NPC) derived from metal organic frameworks (MOFs) as high-performance ORR catalysts. The decorated Fe2N NPs increase the amount of Fe-N/C bonding as catalytic site...
March 22, 2017: Nanoscale
https://www.readbyqxmd.com/read/28327512/prevalence-and-determinants-of-suboptimal-vitamin-d-levels-in-a-multiethnic-asian-population
#20
Ryan Eyn Kidd Man, Ling-Jun Li, Ching-Yu Cheng, Tien Yin Wong, Ecosse Lamoureux, Charumathi Sabanayagam
This population-based cross-sectional study examined the prevalence and risk factors of suboptimal vitamin D levels (assessed using circulating 25-hydroxycholecalciferol (25(OH)D)) in a multi-ethnic sample of Asian adults. Plasma 25(OH)D concentration of 1139 Chinese, Malay and Indians (40-80 years) were stratified into normal (≥30 ng/mL), and suboptimal (including insufficiency and deficiency, <30 ng/mL) based on the 2011 Endocrine Society Clinical Practice Guidelines. Logistic regression models were used to assess the associations of demographic, lifestyle and clinical risk factors with the outcome...
March 22, 2017: Nutrients
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