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https://www.readbyqxmd.com/read/28339852/relationship-between-back-pain-and-urinary-incontinence-in-the-canadian-population
#1
Tanner Cassidy, Amanda Fortin, Stephanie Kaczmer, Jessica T L Shumaker, Jessica Szeto, Stéphanie J Madill
Background: Back problems and urinary incontinence (UI) have been found to co-occur more frequently than would be predicted by chance. Objective: The aim of this study was to estimate the associations between UI and back problems in the Canadian men and women. Design: This was an observational, cross-sectional study. Methods: The 2011-2012 Statistics Canada Canadian Community Health Survey (CCHS) provided the data. The CCHS surveyed 125,645 adults providing a representative sample of the Canadian population...
March 1, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28339628/using-digital-interventions-to-improve-the-cardiometabolic-health-of-populations-a-meta-review-of-reporting-quality
#2
Adrienne O'Neil, Fiona Cocker, Patricia Rarau, Shaira Baptista, Mandy Cassimatis, C Barr Taylor, Annie Y S Lau, Nitya Kanuri, Brian Oldenburg
Objectives.: We conducted a meta-review to determine the reporting quality of user-centered digital interventions for the prevention and management of cardiometabolic conditions. Materials and Methods.: Using predetermined inclusion criteria, systematic reviews published between 2010 and 2015 were identified from 3 databases. To assess whether current evidence is sufficient to inform wider uptake and implementation of digital health programs, we assessed the quality of reporting of research findings using (1) endorsement of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, (2) a quality assessment framework (eg, Cochrane risk of bias assessment tool), and (3) 8 parameters of the Consolidated Standards of Reporting Trials of Electronic and Mobile HEalth Applications and onLine TeleHealth (CONSORT-eHEALTH) guidelines (developed in 2010)...
February 11, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28339544/laxatives-do-not-improve-symptoms-of-opioid-induced-constipation-results-of-a-patient-survey
#3
Anton Emmanuel, Martin Johnson, Paula McSkimming, Sara Dickerson
Introduction.:  Laxatives are commonly used to treat opioid-induced constipation, the commonest and most bothersome complication of opioids. However, laxatives have a nonspecific action and do not target underlying mechanisms of opioid-induced constipation; their use is associated with abdominal symptoms that negatively impact quality of life. Objective.:  To assess the effects of laxatives in patients taking opioids for chronic pain. Methods...
October 8, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28335332/micromechanical-properties-of-nanostructured-clay-oxide-multilayers-synthesized-by-layer-by-layer-self-assembly
#4
Dongwei Hou, Guoping Zhang, Rohit Raj Pant, Zhongxin Wei, Shuilong Shen
Clay-based nanostructured multilayers, such as clay-polymer multilayers and clay-oxide multilayers, have attracted growing attention owing to their remarkable mechanical properties and promising application in various fields. In this paper, synthesis of a new kind of nanostructured clay-oxide multilayers by layer-by-layer self-assembly was explored. Nano-mechanical characterization of 18 clay-based multilayer samples, prepared under as-deposited (i.e., air-dried) and annealing conditions at 400 °C/600 °C with different precursor cations and multilayer structure, were carried out using nanoindentation testing, atomic force microscopy (AFM), and X-ray diffraction (XRD)...
November 8, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335218/aggregation-and-colloidal-stability-of-commercially-available-al%C3%A2-o%C3%A2-nanoparticles-in-aqueous-environments
#5
Julie Mui, Jennifer Ngo, Bojeong Kim
The aggregation and colloidal stability of three, commercially-available, gamma-aluminum oxide nanoparticles (γ-Al₂O₃ NPs) (nominally 5, 10, and 20-30 nm) were systematically examined as a function of pH, ionic strength, humic acid (HA) or clay minerals (e.g., montmorillonite) concentration using dynamic light scattering and transmission electron microscopy techniques. NPs possess pH-dependent surface charges, with a point of zero charge (PZC) of pH 7.5 to 8. When pH < PZC, γ-Al₂O₃ NPs are colloidally stable up to 100 mM NaCl and 30 mM CaCl₂...
May 13, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334628/superwetting-and-aptamer-functionalized-shrink-induced-high-surface-area-electrochemical-sensors
#6
A Hauke, L S Selva Kumar, M Y Kim, J Pegan, M Khine, H Li, K W Plaxco, J Heikenfeld
Electrochemical sensing is moving to the forefront of point-of-care and wearable molecular sensing technologies due to the ability to miniaturize the required equipment, a critical advantage over optical methods in this field. Electrochemical sensors that employ roughness to increase their microscopic surface area offer a strategy to combatting the loss in signal associated with the loss of macroscopic surface area upon miniaturization. A simple, low-cost method of creating such roughness has emerged with the development of shrink-induced high surface area electrodes...
March 12, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28334323/interspecific-competition-between-ceratitis-capitata-and-two-bactrocera-spp-diptera-tephritidae-evaluated-via-adult-behavioral-interference-under-laboratory-conditions
#7
Hui Liu, Can Zhang, Bo-Hua Hou, Ge-Cheng Ou-Yang, Jun Ma
The Mediterranean fruit fly, Ceratitis capitata (Wiedemann), is considered one of the most invasive tephritid species. It has spread and established populations successfully throughout many of the tropical temperate regions, partially owing to the increase in global trading activity that facilitates diffusion of species. However, C. capitata has never been detected in China, even though some areas of the country have favorable climate and ample food resources. Historically, some researchers have hypothesized that the principal reasons for its absence are the defenses mounted by native Bactrocera species against C...
March 15, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28333456/calixsmaragdyrin-a-versatile-ligand-for-coordination-complexes
#8
Tamal Chatterjee, Brian Molnar, G G Theophall, Way-Zen Lee, K V Lakshmi, Mangalampalli Ravikanth
The Ru(II) and BF2 complexes of calixsmaragdyrin were prepared under simple reaction conditions and characterized by HR-MS, 1D and 2D NMR spectroscopy, optical spectroscopy, and electrochemistry, and the structure of the Ru(II) complex of calixsmaragdyrin was elucidated by X-ray crystallography. The crystal structure of the Ru(II) complex revealed that the Ru(II) ion is hexacoordinate with the three pyrrole nitrogen ligands from the tripyrrin unit of the calixsmaragdyrin macrocycle, and the remaining coordination sites of Ru(II) ion were occupied by two carbonyl groups and one hydroxyl (-OH) group...
March 23, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28333371/structure-dependent-behaviours-of-skin-layers-studied-by-atomic-force-microscopy
#9
A C Chang, B H Liu, P L Shao, J D Liao
The multilayer skin provides the physical resistance and strength against the environmental attacks, and consequently plays a significant role in maintaining the mammalian health. Currently, optical microscopy (OM) is the most common method for the research related to skin tissues while with the drawbacks including the possibility of changing the native morphology of the sample with the addition of the chemical or immunological staining and the restricted resolution of images for the direct observation of the tissue structures...
March 23, 2017: Journal of Microscopy
https://www.readbyqxmd.com/read/28332029/brief-submaximal-isometric-exercise-improves-cold-pressor-pain-tolerance
#10
Emily Foxen-Craft, Lynnda M Dahlquist
Exercise-induced hypoalgesia (EIH), or the inhibition of pain following physical exercise, has been demonstrated in adults, but its mechanisms have remained unclear due to variations in methodology. This study aimed to address methodological imitations of past studies and contribute to the literature demonstrating the generalizability of EIH to brief submaximal isometric exercise and cold pressor pain. Young adults (n = 134) completed a baseline cold pressor trial, maximal voluntary contraction (hand grip strength) assessment, 10-min rest, and either a 2-min submaximal isometric handgrip exercise or a sham exercise in which no force was exerted, followed by a cold pressor posttest...
March 22, 2017: Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28332018/seasonal-loss-and-resumption-of-circadian-rhythms-in-hibernating-arctic-ground-squirrels
#11
Cory T Williams, Maya Radonich, Brian M Barnes, C Loren Buck
Circadian clocks are near universal among organisms and play a key role in coordinating physiological and metabolic functions to anticipate or coincide with predictable daily changes in the physical and social environment. However, whether circadian rhythms persist and are functionally important during hibernation in all mammals is currently unclear. We examined whether circadian rhythms of body temperature (T b) persist during multi-day, steady-state torpor and investigated the association between timing of animal emergence, exposure to light, and resumption of activity and T b rhythms in free-living and captive male arctic ground squirrels...
March 22, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28331072/direct-measurement-of-microtubule-attachment-strength-to-yeast-centrosomes
#12
Kimberly K Fong, Krishna K Sarangapani, Erik C Yusko, Michael Riffle, Aida Llauró, Beth Graczyk, Trisha N Davis, Charles L Asbury
Centrosomes, or spindle pole bodies (SPBs) in yeast, are vital mechanical hubs that maintain load-bearing attachments to microtubules during mitotic spindle assembly, spindle positioning, and chromosome segregation. However, the strength of microtubule-centrosome attachments is unknown, and the possibility that mechanical force might regulate centrosome function has scarcely been explored. To uncover how centrosomes sustain and regulate force, we purified SPBs from budding yeast and used laser trapping to manipulate single attached microtubules in vitro Our experiments reveal that SPB-microtubule attachments are extraordinarily strong, rupturing at forces about 4-fold higher than kinetochore attachments under identical loading conditions...
March 22, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28330686/imaging-of-acute-and-chronic-thromboembolic-disease-state-of-the-art
#13
REVIEW
A Ruggiero, N J Screaton
Acute pulmonary embolism (PE) is a life-threatening condition that requires prompt diagnosis and treatment. Recent advances in imaging allow acute and rapid recognition even by the non-specialist radiologist. Most acute emboli resolve on anticoagulation without sequelae; however, some emboli fail to fully resolve becoming endothelialised with the development of chronic thromboembolic disease (CTED). Increased pulmonary vascular resistance arising from CTED may lead to chronic thromboembolic pulmonary hypertension (CTEPH) a debilitating disease affecting up to 5% of survivors of acute PE...
March 19, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28330675/what-does-electromyography-tell-us-about-dyspareunia
#14
REVIEW
Linda McLean, Kaylee Brooks
INTRODUCTION: Emergent evidence suggests that pelvic floor muscle (PFM) dysfunction contributes to dyspareunia, the experience of pain on vaginal penetration. Electromyography (EMG) is a valuable tool for the assessment of neuromuscular control and could be very useful in enhancing our understanding of PFM involvement in sexual function and in conditions such as dyspareunia. However, PFM EMG must be interpreted within the context of the many factors that can influence findings. AIM: To outline the main factors to consider when evaluating PFM EMG for female sexual function and dyspareunia and to synthesize the literature in which EMG has been acquired and interpreted appropriately in this context...
March 18, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28330338/in-situ-local-contact-angle-measurement-in-a-co2-brine-sand-system-using-microfocused-x-ray-ct
#15
Pengfei Lv, Yu Liu, Zhe Wang, Shuyang Liu, Lanlan Jiang, Junlin Chen, Yongchen Song
The wettability of porous media is of major interest in a broad range of natural and engineering applications. The wettability of a fluid on a solid surface is usually evaluated by the contact angle between them. While in situ local contact angle measurements are complicated by the topology of porous media, which can make it difficult to use traditional methods, recent advances in microfocused X-ray computed tomography (micro-CT) and image processing techniques have made it possible to measure contact angles on the scale of the pore sizes in such media...
March 22, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28330215/bioremediation-of-high-strength-agricultural-wastewater-using-ochrobactrum-sp-strain-sz1
#16
Chin Hong Neoh, Chi Yong Lam, Suriati Mat Ghani, Ismail Ware, Siti Hajar Mat Sarip, Zaharah Ibrahim
The biggest agricultural sector that contributes to the Malaysian economy is the oil palm industry. The effluent generated during the production of crude palm oil known as palm oil mill effluent (POME). POME undergoes anaerobic treatment that requires long retention time and produces large amount of methane that consequently contributes to global warming. In this study, an isolated bacteria was selected based on its ability to degrade kraft lignin (KL) and identified as Ochrobactrum sp. The bacteria were able to treat POME (from anaerobic pond) under the aerobic condition without addition of nutrient, resulting in a significant chemical oxygen demand (COD) removal of 71 %, removal rate of 1385 mg/l/day, and 12...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329757/neural-ensemble-dynamics-underlying-a-long-term-associative-memory
#17
Benjamin F Grewe, Jan Gründemann, Lacey J Kitch, Jerome A Lecoq, Jones G Parker, Jesse D Marshall, Margaret C Larkin, Pablo E Jercog, Francois Grenier, Jin Zhong Li, Andreas Lüthi, Mark J Schnitzer
The brain's ability to associate different stimuli is vital for long-term memory, but how neural ensembles encode associative memories is unknown. Here we studied how cell ensembles in the basal and lateral amygdala encode associations between conditioned and unconditioned stimuli (CS and US, respectively). Using a miniature fluorescence microscope, we tracked the Ca(2+) dynamics of ensembles of amygdalar neurons during fear learning and extinction over 6 days in behaving mice. Fear conditioning induced both up- and down-regulation of individual cells' CS-evoked responses...
March 22, 2017: Nature
https://www.readbyqxmd.com/read/28329750/optoelectronic-plethysmography-in-clinical-practice-and-research-a-review
#18
Carlo Massaroni, Elena Carraro, Andrea Vianello, Sandra Miccinilli, Michelangelo Morrone, Irisz K Levai, Emiliano Schena, Paola Saccomandi, Silvia Sterzi, John W Dickinson, Samantha Winter, Sergio Silvestri
BACKGROUND: Optoelectronic plethysmography (OEP) is a non-invasive motion capture method to measure chest wall movements and estimate lung volumes. OBJECTIVES: To provide an overview of the clinical findings and research applications of OEP in the assessment of breathing mechanics across populations of healthy and diseased individuals. METHODS: A bibliographic research was performed with the terms "opto-electronic plethysmography," "optoelectronic plethysmography," and "optoelectronic plethysmograph" in 50 digital library and bibliographic search databases resulting in the selection of 170 studies...
March 23, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28328986/estimation-of-genetic-parameters-and-genotype-by-environment-interactions-related-to-acute-ammonia-stress-in-pacific-white-shrimp-litopenaeus-vannamei-juveniles-at-two-different-salinity-levels
#19
Xia Lu, Sheng Luan, Baoxiang Cao, Xianhong Meng, Juan Sui, Ping Dai, Kun Luo, Xiaoli Shi, Dengchun Hao, Guomin Han, Jie Kong
Regarding the practical farming of Litopenaeus vannamei, the deterioration of water quality from intensive culture systems and environmental pollution is a common but troublesome problem in the cultivation of this species. The toxicities that result from deteriorating water quality, such as that from ammonia stress, have lethal effects on juvenile shrimp and can increase their susceptibility to pathogens. The toxicity of ammonia plays an important role in the frequently high mortality during the early stage on shrimp farms...
2017: PloS One
https://www.readbyqxmd.com/read/28328717/perceived-sleep-quality-mood-states-and-their-relationship-with-performance-among-brazilian-elite-athletes-during-a-competitive-period
#20
Ricardo Brandt, Guilherme G Bevilacqua, Alexandro Andrade
Brandt, R, Bevilacqua, GG, and Andrade, A. Perceived sleep quality, mood states, and their relationship with performance among Brazilian elite athletes during a competitive period. J Strength Cond Res 31(4): 1033-1039, 2017-We described the perceived sleep quality and mood states of elite athletes during a competitive period, and clarified their relationship to athletes' sport performance. Participants were 576 Brazilian elite athletes (404 men and 172 women) of individual and team sports. Mood states were evaluated using the Brunel Mood Scale, whereas perceived sleep quality was evaluated using a single question ("How would you evaluate the quality of your sleep in the last few days?")...
April 2017: Journal of Strength and Conditioning Research
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