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https://www.readbyqxmd.com/read/28944811/determining-the-composition-of-the-vacuum-liquid-interface-in-ionic-liquid-mixtures
#1
E J Smoll, M A Tesa-Serrate, S M Purcell, L D'Andrea, D W Bruce, J M Slattery, M L Costen, T K Minton, K G McKendrick
The vacuum-liquid interfaces of a number of ionic-liquid mixtures have been investigated using the combination of reactive-atom scattering with laser-induced fluorescence detection (RAS-LIF), selected surface tension measurements, and molecular dynamics (MD) simulations. The mixtures are based on the widespread 1-alkyl-3-methylimidazolium ([Cnmim](+)) cation, including mixed cations which differ in chain length or chemical functionality with a common anion; and different anions for a common cation. RAS-LIF results imply that the surface compositions exhibit a general form of non-stoichiometric behaviour that mimics the well-known Henry's and Raoult's laws at low and high mole fraction, respectively...
September 25, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28944810/microfluidic-step-emulsification-in-axisymmetric-geometry
#2
I Chakraborty, J Ricouvier, P Yazhgur, P Tabeling, A M Leshansky
Biphasic step-emulsification (Z. Li et al., Lab Chip, 2015, 15, 1023) is a promising microfluidic technique for high-throughput production of μm and sub-μm highly monodisperse droplets. The step-emulsifier consists of a shallow (Hele-Shaw) microchannel operating with two co-flowing immiscible liquids and an abrupt expansion (i.e., step) to a deep and wide reservoir. Under certain conditions the confined stream of the disperse phase, engulfed by the co-flowing continuous phase, breaks into small highly monodisperse droplets at the step...
September 25, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28944632/-student-pursuing-a-bachelor-of-science-in-nursing-160-between-process-of-professionalization-and-professional-development-in-swiss-and-belgien
#3
Myriam Graber, Veronique Haberey-Knuessi
The predictable shortage of nursing staff, in Switzerland as in the rest of Europe, continues to highlight a recurring problem for public health policy. The issue here is not just questions about the care and treatment of patients or the quality of such care, but also about the conditions necessary for adequate staff recruitment and the long-term professional engagement of health care personnel. Training in nursing care at the Universities of Applied Science of Western Switzerland is also indirectly concerned by rationalisation measures currently in force in the public Activé par Editorial Manager® et Preprint Manager® appartenant à Aries Systems Corporation health sector...
April 19, 2017: Recherche en Soins Infirmiers
https://www.readbyqxmd.com/read/28944228/clostridium-tertium-peritonitis-and-concurrent-bacteremia-in-a-patient-with-a-history-of-alcoholic-cirrhosis
#4
S Scott Sutton, Mark Jumper, Ansal Shah, Babatunde Edun
Spontaneous bacterial peritonitis (SBP) is a recognized cause of morbidity and mortality in cirrhotic patients. Enterobacteriaceae have been isolated from the majority of peritonitis cases and the gram negative aerobe Escherichia coli is the most commonly isolated organism. Anaerobic organisms are rarely isolated because of the high oxygen tension in ascetic fluid. We report a patient with a history of alcoholic cirrhosis who developed SBP and concurrent bacteremia with the anaerobe Clostridium tertium. The patient was successfully treated with intravenous antibiotics and was discharged home on oral ciprofloxacin...
July 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28944128/tracheostomy-exchange-resulting-in-rare-combination-of-pneumomediastinum-pneumothorax-massive-pneumoperitoneum-and-subcutaneous-emphysema
#5
Saqib Saeed, Sara Alothman, Ali Safavi, Brian Donaldson, Alexius Ramcharan, Hector DePaz
Tracheostomy tube change is a relatively common and simple procedure once a tract is formed between the skin and the trachea. Regular tracheostomy tube changes decrease the risk of postoperative pulmonary infection and granulation tissue formation. However, serious complications, such as loss of airway, subcutaneous emphysema, and mediastinitis, can occur if the tube exchange is performed inappropriately. We present a rare association of subcutaneous emphysema, tension pneumothorax, pneumomediastinum, and pneumoperitoneum following a tracheostomy tube exchange in a 56-year-old patient who had his tracheotomy placed a month ago...
July 18, 2017: Curēus
https://www.readbyqxmd.com/read/28944083/white-matter-changes-in-corticospinal-tract-associated-with-improvement-in-arm-and-hand-functions-in-incomplete-cervical-spinal-cord-injury-pilot-case-series
#6
Nuray Yozbatiran, Zafer Keser, Khader Hasan, Argyrios Stampas, Radha Korupolu, Sam Kim, Marcia K O'Malley, Felipe Fregni, Gerard E Francisco
INTRODUCTION: This is a prospective clinical pilot case series. Improvement of arm and hand functions after spinal cord injury (SCI) is one of the major rehabilitation goals. Electrical stimulation of the primary motor cortex via transcranial direct current stimulation (tDCS) coupled with high-intensity repetitive motor training may have potential to facilitate improvement in motor function in chronic, incomplete cervical SCI. We investigated the relationship between motor recovery and changes in white matter integrity in response to treatment intervention...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28943490/the-curcumin-induced-vasorelaxation-in-rat-superior-mesenteric-arteries
#7
Han Zhang, Huanhuan Liu, Yulong Chen, Yan Zhang
BACKGROUND: Curcumin (Cur) is a natural lipophilic polyphenol compound extracted from the rhizome of turmeric. Recently, protective effect of Cur on cardiovascular system is pay close attention. Some researches demonstrated that Cur could induce vascular relaxation in many arterial beds. However, relaxant effect of Cur on rat superior mesenteric artery is not clear. OBJECTIVE: The present study will investigate the vasorelaxant effect of Cur on rat superior mesenteric arteries and the mechanisms involved...
September 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28943453/titin-isoforms-are-increasingly-protected-against-oxidative-modifications-in-developing-rat-cardiomyocytes
#8
Beáta Bódi, EnikŐ Pásztorné Tóth, László Nagy, Attila Tóth, Lilla Mártha, Árpád Kovács, György Balla, Tamás Kovács, Zoltán Papp
During the perinatal adaptation process N2BA titin isoforms are switched for N2B titin isoforms leading to an increase in cardiomyocyte passive tension (Fpassive). Here we attempted to reveal how titin isoform composition and oxidative insults (i.e. sulfhydryl (SH)-group oxidation or carbonylation) influence Fpassive of left ventricular cardiomyocytes during rat heart development. Moreover, we also examined a hypothetical protective role for titin associated small heat shock proteins (sHSPs), Hsp27 and αB-crystallin in the above processes...
September 21, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28942948/fatigue-resistance-of-dentin-bonds-prepared-with-two-vs-three-step-adhesives-effect-of-carbodiimide
#9
Zihou Zhang, Dylan Beitzel, Hessam Majd, Mustafa Mutluay, Arzu Tezvergil-Mutluay, Franklin R Tay, David H Pashley, Dwayne Arola
The application of a cross-linker to demineralized dentin is reportedly effective at extending the durability of dentin bonds. OBJECTIVE: To compare the effect of a cross-linker pretreatment on the fatigue crack growth resistance of resin-dentin bonds prepared with a two- vs. three-step adhesive system. METHODS: Bonded interface Compact Tension (CT) specimens were prepared using commercial two- and three-step etch-and-rinse adhesives and compatible hybrid resin-composite...
September 21, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28942908/integrating-function-directed-treatments-into-palliative-care
#10
REVIEW
Andrea L Cheville, Melissa Morrow, Sean Robinson Smith, Jeffrey R Basford
The growing acceptance of palliative care has created opportunities to increase the use of rehabilitation services among populations with advanced disease, particularly those with cancer. Broader delivery has been impeded by the lack of a shared definition for palliative rehabilitation and a mismatch between patient needs and established rehabilitation service delivery models. We propose the definition that, in the advanced cancer population, palliative rehabilitation is function-directed care delivered in partnership with other clinical disciplines and aligned with the values of patients who have serious and often incurable illnesses in contexts marked by intense and dynamic symptoms, psychological stress, and medical morbidity to realize potentially time-limited goals...
September 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28942271/microstructure-changes-in-ultrafine-grained-nickel-processed-by-high-pressure-torsion-under-ultrasonic-treatment
#11
A A Samigullina, A A Mukhametgalina, S N Sergeyev, A P Zhilyaev, A A Nazarov, Yu R Zagidullina, N Yu Parkhimovich, V V Rubanik, Yu V Tsarenko
Commercially pure nickel was processed by high pressure torsion (HPT) and subjected to ultrasonic treatment (UST) with different amplitudes of compression-tension stresses in the zone of stress antinode of a standing wave. It was found that microstructure parameters such as the dislocation density, low- and high-angle grain boundary fractions, microhardness, and the stored excess energy as well, non-monotonically depend on the ultrasound amplitude. A structure relaxation leading to a reduction of internal stresses and stored energy and increase of the fraction of high-angle boundaries was observed at some intermediate amplitudes of the oscillating stress...
September 15, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28942227/case-report-breast-seroma-mimicking-breast-implants
#12
Amalie Sylvester-Hvid, Magnus B Avnstorp, Lene Wagenblast, Jørgen Lock-Andersen, Steen H Matzen
Introduction Breast seroma may be caused by a variety of factors including lymphatic disruption, continuous inflammation and foreign bodies such as breast implants. In cases of breast implants associated seroma the diagnosis of Anaplastic Large Cell Lymphoma (ALCL) should be investigated. Presentation of Case A 45-year-old Caucasian woman was referred with bilateral swelling of the breasts causing tension and pain. MRI showed accumulations compatible with bilateral silicone implants. Ultrasound-guided aspiration showed no malignancy or silicone...
September 4, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28941858/a-rare-case-of-tension-pneumatocele
#13
Pankaj Madhukar Gholap, S Anuroop Shankar
No abstract text is available yet for this article.
October 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28941066/orientation-induces-adsorption-of-the-hydrated-proton-at-the-air-water-interface
#14
Shavkat Mamatkulov, Christoph Allolio, Roland Netz, Douwe Jan Bonthuis
The surface tension of the air-water interface increases upon the addition of inorganic salts, implying a negative surface excess of ionic species. Most acids, however, induce a decrease in surface tension, indicating a positive surface excess of hydrated protons. In combination with the apparent negative charge at pure air-water interfaces derived from electrokinetic experiments, this experimental fact has presented a source of intense debate since the mid 19th century. Here, we calculate surface tensions and ionic surface propensities at air-water interfaces from classical thermodynamically consistent molecular dynamics simulations...
September 21, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28940714/tear-drop-free-anterolateral-thigh-flap-a-versatile-design-for-lower-limb-reconstruction-after-trauma
#15
Sergio Razzano, Samir Ramadan, Andrea Figus, Richard M Haywood
BACKGROUND: In lower limb reconstruction the cosmetic outcome is influenced by the contouring of the flap at the recipient site as well as by the donor site closure. It is also important to minimise compression of the flap pedicle. We discuss the outcomes of a versatile ALT flap design that allows freedom in skin paddle tailoring without elongating the scar, reduction of the tension over the pedicle and improved cosmetic results of both donor and recipient sites. METHODS: Between January 2009 and October 2015, 27 patients underwent reconstruction using tear drop ALTs...
September 21, 2017: Microsurgery
https://www.readbyqxmd.com/read/28940352/fibromyalgia-among-patients-with-chronic-migraine-and-chronic-tension-type-headache-a-multicenter-prospective-cross-sectional-study
#16
Soo-Jin Cho, Jong-Hee Sohn, Jong Seok Bae, Min Kyung Chu
OBJECTIVES: To investigate the frequency and impact of fibromyalgia among patients with chronic migraine (CM) and chronic tension-type headache (CTTH). BACKGROUND: Fibromyalgia (FM) is a common comorbidity in patients with chronic headaches. CM and CTTH are the two common types of chronic headaches. METHODS: We conducted a cross-sectional study in neurology outpatient clinics of four university hospitals and selected first-visit 136 patients with CM and 35 patients with CTTH...
September 22, 2017: Headache
https://www.readbyqxmd.com/read/28940010/frequency-dependent-effects-of-omecamtiv-mecarbil-on-cell-shortening-of-isolated-canine-ventricular-cardiomyocytes
#17
Balázs Horváth, Norbert Szentandrássy, Roland Veress, János Almássy, János Magyar, Tamás Bányász, Attila Tóth, Zoltán Papp, Péter P Nánási
Omecamtiv mecarbil (OM) is a myosin activator agent developed for the treatment of heart failure. OM was reported to increase left ventricular ejection fraction and systolic ejection time, but little is known about the effect of heart rate on the action of OM. The present study, therefore, was designed to investigate the effects of OM on unloaded cell shortening and intracellular Ca(2+) ([Ca(2+)]i) transients as a function of the pacing frequency. Isolated cardiomyocytes were stimulated at various frequencies under steady-state conditions...
September 22, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28939906/pore-formation-in-lipid-membrane-i-continuous-reversible-trajectory-from-intact-bilayer-through-hydrophobic-defect-to-transversal-pore
#18
Sergey A Akimov, Pavel E Volynsky, Timur R Galimzyanov, Peter I Kuzmin, Konstantin V Pavlov, Oleg V Batishchev
Lipid membranes serve as effective barriers allowing cells to maintain internal composition differing from that of extracellular medium. Membrane permeation, both natural and artificial, can take place via appearance of transversal pores. The rearrangements of lipids leading to pore formation in the intact membrane are not yet understood in details. We applied continuum elasticity theory to obtain continuous trajectory of pore formation and closure, and analyzed molecular dynamics trajectories of pre-formed pore reseal...
September 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28939894/plasticity-of-human-meniscus-fibrochondrocytes-a-study-on-effects-of-mitotic-divisions-and-oxygen-tension
#19
Yan Liang, Enaam Idrees, Stephen H J Andrews, Kirollos Labib, Alexander Szojka, Melanie Kunze, Andrea D Burbank, Aillette Mulet-Sierra, Nadr M Jomha, Adetola B Adesida
Meniscus fibrochondrocytes (MFCs) may be the optimal cell source to repair non-healing meniscus injuries using tissue engineering strategies. In this study, we investigated the effects of mitotic divisions and oxygen tension on the plasticity of adult human MFCs. Our assessment techniques included gene expression, biochemical, histological, and immunofluorescence assays. MFCs were expanded in monolayer culture with combined growth factors TGFβ1 and FGF-2 (T1F2) under normoxia (21% O2). Trilineage (adipogenesis, chondrogenesis and osteogenesis) differentiation was performed under both normoxic (21% O2) and hypoxic (3% O2) conditions...
September 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28939620/posteriorly-dislocated-capsular-tension-ring-leading-to-rhegmatogenous-retinal-detachment
#20
Vineet Mutha, Nitesh Salunkhe, Vinod Kumar, Parijat Chandra
No abstract text is available yet for this article.
September 21, 2017: BMJ Case Reports
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