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https://www.readbyqxmd.com/read/28812944/binding-forces-between-a-novel-schiff-base-palladium-ii-complex-and-two-carrier-proteins-human-serum-albumi-and%C3%AE-lactoglobulin
#1
Somaye Shahraki, Ali Heydari
Ligand binding studies on carrier proteins are crucial in determining the pharmacological properties of drug candidates. Here, a new palladium(II) complex was synthesized and characterized. The in vitro binding studies of this complexwith two carrier proteins, human serum albumin (HSA) and β-lactoglobulin (βLG) was investigated by employing biophysical techniques as well as computational modeling. The experimental results showed thatthe Pd(II) complex interacted with two carrier proteins with moderate binding affinity (Kb ~̴ 0...
August 16, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28812844/clinician-perspectives-of-barriers-to-effective-implementation-of-a-rapid-response-system-in-an-academic-health-centre-a-focus-group-study
#2
John Rihari-Thomas, Michelle DiGiacomo, Jane Phillips, Phillip Newton, Patricia M Davidson
BACKGROUND: Systemic and structural issues of rapid response system (RRS) models can hinder implementation. This study sought to understand the ways in which acute care clinicians (physicians and nurses) experience and negotiate care for deteriorating patients within the RRS. METHODS: Physicians and nurses working within an Australian academic health centre within a jurisdictional-based model of clinical governance participated in focus group interviews. Verbatim transcripts were analysed using thematic content analysis...
January 1, 2017: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/28812543/assessing-the-performance-of-self-consistent-hybrid-functional-for-band-gap-calculation-in-oxide-semiconductors
#3
Jiangang He, Cesare Franchini
In this paper we assess the predictive power of the self-consistent hybrid functional scPBE0 in calculating the band gap of oxide semiconductors. The computational procedure is based on the self-consistent evaluation of the mixing parameter α by means of an iterative calculation of the static dielectric constant using the perturbation expansion after discretization (PEAD) method and making use of the relation α = 1/ε<sub>∞</sub>. Our materials dataset is formed by 30 compounds covering a wide range of band gaps and dielectric properties, and includes materials with a wide spectrum of application as thermoelectrics, photocatalysis, photovoltaics, transparent conducting oxides, and refractory materials...
August 16, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28812419/the-effects-of-exergaming-and-treadmill-training-on-gait-balance-and-cognition-in-a-person-with-parkinson-s-disease-a-case-study
#4
Srikant Vallabhajosula, Amy K McMillion, Jane E Freund
BACKGROUND: Parkinson's disease (PD) commonly impairs posture, gait, and cognition. Exercise in the form of aerobic activity as well as exergaming may improve motor ability and cognition in persons with PD. Exergaming and treadmill training can be a practical form of exercise within the home; however, there is minimal research on this combined multimodal intervention for persons with PD. OBJECTIVE: We investigated the effects of this combined intervention on cognition, balance, and gait in a person with PD through supervised lab sessions augmented by home-based sessions...
August 16, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28812399/canthal-cutdown-for-emergent-treatment-of-orbital-compartment-syndrome
#5
Andrew T Strand, Craig N Czyz, Amanda Gibson
This article evaluates the use of a "canthal cutdown" technique in orbital compartment syndrome in a cadaveric model. Twelve cadaver orbits were used to simulate orbital compartment syndrome using a blood analog solution. Two pressure probes, in different orbital locations, were used to monitor orbital pressure. Pressure was monitored during successive procedures: canthotomy, cantholysis, and canthal cutdown. Orbits were then re-injected with solution, simulating an active orbital hemorrhage, and pressure measurements were recorded over a 10-minute duration...
August 16, 2017: Orbit
https://www.readbyqxmd.com/read/28812380/analysis-of-an-8-hour-acetylcysteine-infusion-protocol-for-repeated-supratherapeutic-ingestion-rsti-of-paracetamol
#6
Anselm Wong, Naren Gunja, Richard McNulty, Andis Graudins
OBJECTIVES: In Australia, the treatment guideline for patients with repeated supratherapeutic ingestion (RSTI) of paracetamol recommends an abbreviated acetylcysteine regimen if the paracetamol concentration is low (<10 mg/L) and alanine aminotransferase (ALT) is normal or static after 8 hours of infusion. There are currently no studies of this recommendation. METHOD: A retrospective review of paracetamol overdose presentations from October 2009 to August 2016 in two hospital toxicology networks was performed...
August 16, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28812230/simulation-of-left-ventricular-dynamics-using-a-low-order-mathematical-model
#7
Michael J Moulton, Brian D Hong, Timothy W Secomb
The eventual goal of this study is to develop methods for estimating dynamic stresses in the left ventricle (LV) that could be used on-line in clinical settings, based on routinely available measurements. Toward this goal, a low-order theoretical model is presented, in which LV shape is represented using a small number of parameters, allowing rapid computational simulations of LV dynamics. The LV is represented as a thick-walled prolate spheroid containing helical muscle fibers with nonlinear passive and time-dependent active contractile properties...
August 15, 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/28811876/individual-quality-and-age-but-not-environmental-or-social-conditions-modulate-costs-of-reproduction-in-a-capital-breeder
#8
Lucie Debeffe, Jocelyn Poissant, Philip D McLoughlin
Costs associated with reproduction are widely known to play a role in the evolution of reproductive tactics with consequences to population and eco-evolutionary dynamics. Evaluating these costs as they pertain to species in the wild remains an important goal of evolutionary ecology. Individual heterogeneity, including differences in individual quality (i.e., among-individual differences in traits associated with survival and reproduction) or state, and variation in environmental and social conditions can modulate the costs of reproduction; however, few studies have considered effects of these factors simultaneously...
August 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28811783/incidence-and-associated-risk-factors-of-low-birth-weight-babies-born-in-shaikh-khalifa-bin-zayad-al-nayan-hospital-muzaffarabad-azad-jammu-and-kashmir
#9
Gulnaz Iltaf, Beenish Shahid, Muhammad Ijaz Khan
BACKGROUND AND OBJECTIVE: Birth weight is the most important factor that affects infant and child mortality. The most common cause of low birth is malnutrition before and during the pregnancy period. The present study was conducted to explore the associated risk factors of low birth weight which will be helpful to undertake effective measures to reduce the incidence of the low birth weight babies. METHODS: The study was conducted at Shaikh Khalifa Bin Zayad Al-Nayan Hospital Muzaffarabad...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811630/solid-state-31-p-and-1-h-chemical-mr-micro-imaging-of-hard-tissues-and-biomaterials-with-magic-angle-spinning-at-very-high-magnetic-field
#10
Maxime Yon, Vincent Sarou-Kanian, Ulrich Scheler, Jean-Michel Bouler, Bruno Bujoli, Dominique Massiot, Franck Fayon
In this work, we show that it is possible to overcome the limitations of solid-state MRI for rigid tissues due to large line broadening and short dephasing times by combining Magic Angle Spinning (MAS) with rotating pulsed field gradients. This allows recording ex vivo (31)P 3D and 2D slice-selected images of rigid tissues and related biomaterials at very high magnetic field, with greatly improved signal to noise ratio and spatial resolution when compared to static conditions. Cross-polarization is employed to enhance contrast and to further depict spatially localized chemical variations in reduced experimental time...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811527/atherosusceptible-shear-stress-activates-endoplasmic-reticulum-stress-to-promote-endothelial-inflammation
#11
Keith A Bailey, Fawaz G Haj, Scott I Simon, Anthony G Passerini
Atherosclerosis impacts arteries where disturbed blood flow renders the endothelium susceptible to inflammation. Cytokine activation of endothelial cells (EC) upregulates VCAM-1 receptors that target monocyte recruitment to atherosusceptible regions. Endoplasmic reticulum (ER) stress elicits EC dysregulation in metabolic syndrome. We hypothesized that ER plays a central role in mechanosensing of atherosusceptible shear stress (SS) by signaling enhanced inflammation. Aortic EC were stimulated with low-dose TNFα (0...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811373/friction-law-and-hysteresis-in-granular-materials
#12
E DeGiuli, M Wyart
The macroscopic friction of particulate materials often weakens as the flow rate is increased, leading to potentially disastrous intermittent phenomena including earthquakes and landslides. We theoretically and numerically study this phenomenon in simple granular materials. We show that velocity weakening, corresponding to a nonmonotonic behavior in the friction law, [Formula: see text], is present even if the dynamic and static microscopic friction coefficients are identical, but disappears for softer particles...
August 15, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28811199/comparison-of-analytical-methods-of-brain-18-f-fdg-pet-after-severe-traumatic-brain-injury
#13
Karine Madsen, Sara Hesby, Ingrid Poulsen, Stefan Fuglsang, Jesper Graff, Karen B Larsen, Lars P Kammersgaard, Ian Law, Hartwig R Siebner
BACKGROUND: Loss of consciousness has been shown to reduce cerebral metabolic rates of glucose (CMRglc) measured by brain [(18)F]FDG-PET. Measurements of regional metabolic patterns by normalization to global cerebral metabolism or cerebellum may underestimate widespread reductions. NEW METHOD: The aim of this study was to compare quantification methods of whole brain glucose metabolism, including whole brain [18F]FDG uptake normalized to uptake in cerebellum, normalized to injected activity, normalized to plasma tracer concentration, and two methods for estimating CMRglc...
August 12, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28810789/tunneling-lifetimes-of-electrons-escaping-from-atoms-under-a-static-electric-field
#14
Rundong Zhao, Yanoar Pribadi Sarwono, Rui-Qin Zhang
The tunneling lifetime of an electron escaping from an atom is calculated using a projected Green's function method, combining with the radial potential of the atom which is obtained from density functional theory. Results of the calculated electron tunneling lifetimes in model systems such as a quantum dot are shown to be comparable with other theoretical studies. For the first time, we have obtained the tunneling lifetimes of electrons escaping from a series of atoms (He, Ne, Ar, Kr, H, Li, Na, K) under a static electric field...
August 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28810760/a-thermodynamic-model-of-contact-angle-hysteresis
#15
Lasse Makkonen
When a three-phase contact line moves along a solid surface, the contact angle no longer corresponds to the static equilibrium angle but is larger when the liquid is advancing and smaller when the liquid is receding. The difference between the advancing and receding contact angles, i.e., the contact angle hysteresis, is of paramount importance in wetting and capillarity. For example, it determines the magnitude of the external force that is required to make a drop slide on a solid surface. Until now, fundamental origin of the contact angle hysteresis has been controversial...
August 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28810686/sampling-efficiency-and-performance-of-selected-thoracic-aerosol-samplers
#16
Peter Görner, Xavier Simon, Alexis Boivin, Sébastien Bau
Measurement of worker exposure to a thoracic health-related aerosol fraction is necessary in a number of occupational situations. This is the case of workplaces with atmospheres polluted by fibrous particles, such as cotton dust or asbestos, and by particles inducing irritation or bronchoconstriction such as acid mists or flour dust. Three personal and two static thoracic aerosol samplers were tested under laboratory conditions. Sampling efficiency with respect to particle aerodynamic diameter was measured in a horizontal low wind tunnel and in a vertical calm air chamber...
August 1, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28810618/sivelestat-sodium-hydrate-improves-post-traumatic-knee-osteoarthritis-through-nuclear-factor-%C3%AE%C2%BAb-in-a-rat-model
#17
Xiaofeng Yu, Lijun Zhao, Zhiping Yu, Changzheng Yu, Jianfei Bi, Binglong Sun, Haibo Cong
As a specific inhibitor of neutrophil elastase, sivelestat sodium hydrate has primarily been used in the treatment of acute lung injury caused by various factors since its approval in 2002. Sivelestat sodium hydrate also improves post-traumatic knee osteoarthritis (KOA), although its underlying mechanisms of action have yet to be elucidated. The aim of the current study was to determine if sivelestat sodium hydrate improves post-traumatic KOA through nuclear factor (NF)-κB in a rat model. Treatment with sivelestat sodium hydrate significantly inhibited the induction of structural changes and significantly increased the vertical episode count and ipsilateral static weight bearing of the joint in KOA rats (all P<0...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810594/tissue-engineered-sling-with-adipose-derived-stem-cells-under-static-mechanical-strain
#18
Ying Wang, Wei Wang, Xilong Wang, Yangyun Wang, Jihong Wang, Qiang Fu, Guowei Shi
The implantation of a suburethral sling is an important treatment for stress urinary incontinence (SUI). However, the slings used current have a number of inherent limitations, such as tissue rejection and infection. The present study investigated the potential of engineering sling tissue in vitro using adipose-derived stem cells (ADSCs). The ADSCs were obtained from Sprague-Dawley rats and were characterized in vitro. The ADSCs were seeded on polyglycolic acid (PGA) fibers that formed a scaffold with a shape mimicking a sling complex...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809995/efficacy-and-safety-of-apremilast-in-patients-with-moderate-plaque-psoriasis-with-lower-bsa-week-16-results-from-the-unveil-study
#19
Bruce Strober, Jerry Bagel, Mark Lebwohl, Linda Stein Gold, J Mark Jackson, Rongdean Chen, Joana Goncalves, Eugenia Levi, Kristina Callis Duffin
<p>INTRODUCTION: Many options are available for patients with moderate to severe plaque psoriasis. Patients with moderate disease, however, are often undertreated and do not achieve satisfactory clearance. UNVEIL (NCT02425826) assessed efficacy and safety of apremilast in patients with chronic moderate plaque psoriasis.</p> <p>METHODS: Patients with psoriasis body surface area (BSA) 5% to 10% and static Physician's Global Assessment (sPGA) score of 3 (moderate) without prior exposure to systemics were randomized (2:1) to apremilast 30 mg twice daily or placebo for 16 weeks...
August 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28809994/the-static-physician-s-global-assessment-of-genitalia-a-clinical-outcome-measure-for-the-severity-of-genital-psoriasis
#20
Joseph F Merola, Alison Potts Bleakman, Alice B Gottlieb, Alan Menter, April N Naegeli, Robert Bissonnette, Lyn Guenther, John Sullivan, Kim Meeuwis, Kyoungah See, Kristina Callis Duffin
<p>Introduction: Genital psoriasis is a common but frequently overlooked manifestation of psoriasis with a considerable impact on patients' quality of life. Currently no validated clinical trial outcome measures exist to assess genital psoriasis severity that meet regulatory agency requirements.</p> <p>Methods: This study describes the development of the static Physician's Global Assessment of Genitalia (sPGA-G) scale, a clinical outcome measure for the assessment of genital psoriasis severity that accounts for the erythematous clinical presentation of genital psoriasis...
August 1, 2017: Journal of Drugs in Dermatology: JDD
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