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https://www.readbyqxmd.com/read/28328612/complications-after-treatment-of-head-and-neck-venous-malformations-with-sodium-tetradecyl-sulfate-foam
#1
Giacomo Colletti, Alberto Deganello, Alessandro Bardazzi, Raul Mattassi, Pietro Dalmonte, Luca Gazzabin, Francesco Stillo
PURPOSE: The aim of this study was to evaluate complications in patients with head and neck venous malformations (VMs) treated with foam sclerotherapy using sodium tetradecyl sulfate (STS). METHODS: The authors retrospectively evaluated the complications, pain. and degree of satisfaction in 69 consecutive patients affected by cervicofacial VM managed with STS using the Tessari method in a single institution. RESULTS: The average number of procedures for each patient was 2...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28327524/reducing-risk-of-salmonellosis-through-egg-decontamination-processes
#2
REVIEW
Thilini Piushani Keerthirathne, Kirstin Ross, Howard Fallowfield, Harriet Whiley
Eggs have a high nutritional value and are an important ingredient in many food products. Worldwide foodborne illnesses, such as salmonellosis linked to the consumption of eggs and raw egg products, are a major public health concern. This review focuses on previous studies that have investigated the procedures for the production of microbiologically safe eggs. Studies exploring pasteurization and decontamination methods were investigated. Gamma irradiation, freeze drying, hot air, hot water, infra-red, atmospheric steam, microwave heating and radiofrequency heating are all different decontamination methods currently considered for the production of microbiologically safe eggs...
March 22, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28326428/impact-of-postoperative-compression-dressing-using-polyethylene-foam-pad-on-the-multimodal-protocol-for-swelling-control-following-total-knee-arthroplasty-a-randomized-controlled-trial
#3
Satomi Kayamori, Sachiyuki Tsukada, Masako Sato, Kenichi Komata, Yumiko Isida, Motohiro Wakui
BACKGROUND: The multimodal approach is commonly applied to improve knee swelling after total knee arthroplasty. Although the use of a knee compression pad may improve knee swelling, its impact in the multimodal protocol remains unclear. METHODS: A total of 57 knees were randomly assigned to one of 2 groups receiving treatment with either a compression dressing using a polyethylene foam pad designed to effectively compress the postoperative knee combined with an elastic bandage or a compression dressing with use of an elastic bandage only...
December 2016: Arthroplasty Today
https://www.readbyqxmd.com/read/28322580/macrophage-kdm6b-controls-the-pro-fibrotic-transcriptome-signature-of-foam-cells
#4
Annette E Neele, Koen Hm Prange, Marten A Hoeksema, Saskia van der Velden, Tina Lucas, Stefanie Dimmeler, Esther Lutgens, Jan Van den Bossche, Menno Pj de Winther
AIM: In order to identify regulators of foam cells, we studied the H3K27 demethylase Kdm6b (also known as Jmjd3), a known regulator of macrophages, in controlling the transcriptional profile of foam cells. MATERIALS & METHODS: Foam cells from Kdm6b-deleted or Kdm6b wild-type mice were isolated and used for RNA-sequencing analysis. RESULTS: Pathway analysis revealed that pro-fibrotic pathways were strongly suppressed in Kdm6b-deleted foam cells...
March 21, 2017: Epigenomics
https://www.readbyqxmd.com/read/28322493/trimetallic-oxyhydroxide-coralloids-for-efficient-oxygen-evolution-electrocatalysis
#5
Yecan Pi, Qi Shao, Pengtang Wang, Fan Lv, Shaojun Guo, Jun Guo, Xiaoqing Huang
Trimetallic oxyhydroxides are one of the most effective materials for oxygen evolution reaction (OER) catalysis, a key process for water splitting. Herein, we describe a facile wet-chemical method to directly grow a series of coralloid trimetallic oxyhydroxides on arbitrary substrates such as nickel foam (NF) and carbon nanotubes (CNTs). The amount of iron in these oxyhydroxide sponges on NF and CNTs was precisely controlled, revealing that the electrocatalytic activity of the WCoFe trimetallic oxyhydroxides depends on the Fe amount in a volcano-like fashion...
March 21, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28321823/cardiovascular-disease-and-resuscitated-septic-shock-lead-to-the-downregulation-of-the-h2s-producing-enzyme-cystathionine-%C3%AE-lyase-in-the-porcine-coronary-artery
#6
Tamara Merz, Tatjana Stenzel, Benedikt Nußbaum, Martin Wepler, Csaba Szabo, Rui Wang, Peter Radermacher, Oscar McCook
BACKGROUND: Downregulation of the hydrogen sulfide (H2S)-producing enzymes cystathionine-γ-lyase (CSE), cystathionine-β-synthase (CBS), and/or 3-mercaptopyruvate sulfurtransferase (3-MST) is associated with chronic cardiovascular pathologies. Nevertheless, equivocal data are available on both the expression and function of these enzymes in coronary arteries (CA). We recently reported that atherosclerotic pigs subjected to sepsis developed impaired cardiac function, which coincided with decreased myocardial CSE expression and increased nitrotyrosine formation...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28318949/wing-augmentation-reduces-femoral-head-cutting-out-of-dynamic-hip-screw
#7
Chih-Yu Chen, Shu-Wei Huang, Jui-Sheng Sun, Shin-Yiing Lin, Chih-Sheng Yu, Hsu-Pin Pan, Ping-Hung Lin, Fan-Chun Hsieh, Yang-Hwei Tsuang, Feng-Huei Lin, Rong-Sen Yang, Cheng-Kung Cheng
The dynamic hip screw (DHS) is commonly used in the treatment of femoral intertrochanteric fracture with high satisfactory results. However, post-operative failure does occur and result in poor prognosis. The most common failure is femoral head varus collapse, followed by lag screw cut-out through the femoral head. In this study, a novel-designed DHS with two supplemental horizontal blades was used to improve the fixation stability. In this study, nine convention DHS and 9 Orthopaedic Device Research Center (ODRC) DHSs were tested in this study...
March 17, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28318264/structure-of-polystyrene-sulfonate-surfactant-mixtures-at-air-water-interfaces-and-their-role-as-building-blocks-for-macroscopic-foam
#8
Felix Schulze-Zachau, Björn Braunschweig
Air/water interfaces were modified by oppositely charged poly(sodium 4-styrenesulfonate) (NaPSS) and hexadecyltrimethylammonium bromide (CTAB) polyelectrolyte/surfactant mixtures and were studied on a molecular level with vibrational sum-frequency generation (SFG), tensiometry, surface dilatational rheology and ellipsometry. In order to deduce structure property relations, our results on the interfacial molecular structure and lateral interactions of PSS(-)/CTA(+) complexes were compared to the stability and structure of macroscopic foam as well as to bulk properties...
March 20, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28317719/effect-of-a-multiple-freeze-thaw-process-on-structural-and-foaming-properties-of-individual-egg-white-proteins
#9
Xiang Duan, Junyi Li, Qinjun Zhang, Tong Zhao, Mei Li, Xueming Xu, Xuebo Liu
In this study, major albumen proteins (ovalbumin, ovomucoid, ovotransferrin, lysozyme and ovomucin) were singly subjected to a multiple freeze-thaw process, and the resulting changes in structural characteristics and foamability were investigated. Structural changes of proteins occurred during the process, regarding by sulfhydryl-disulfide interchange and exposure of hydrophobic groups. The differential scanning calorimetry and scanning electron microscopy showed that these albumen proteins underwent denaturation, dissociation and possibly aggregation...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317374/flexible-and-thermostable-graphene-sic-nanowires-foam-composites-with-tunable-electromagnetic-wave-absorption-properties
#10
Meikang Han, Xiaowei Yin, Zexin Hou, Changqing Song, Xinliang Li, Litong Zhang, Laifei Cheng
Three-dimensional (3D) flexible foams consisting of reduced graphene oxides (rGO) and in-situ grown SiC nanowires (NWs) were prepared using freeze-drying and carbothermal reduction process. By means of incorporating SiC nanowires into rGO foams, both the thermostability and electromagnetic absorption of the composites were improved. It was demonstrated that rGO/SiC NWs foams were thermostable beyond ~630 °C (90% weight retention in air atmosphere). As expected, rGO/SiC NWs foams in the poly (dimethylsiloxane) matrix achieved effective absorption in the entire X-band (8...
March 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28316603/dose-dependent-induction-of-an-idiotypic-cascade-by-anti-glycosaminoglycan-monoclonal-antibody-in-apoe-mice-association-with-atheroprotection
#11
Roger Sarduy, Victor Brito, Adriana Castillo, Yosdel Soto, Tania Griñán, Sylvie Marleau, Ana María Vázquez
Atherosclerosis, the underlying pathology of most cardiovascular diseases, is triggered by the retention of apolipoprotein B (apoB)-containing lipoproteins in the arterial wall through electrostatic interactions with glycosaminoglycan (GAG) side chains of proteoglycans. Previously, we reported the antiatherogenic properties of the chimeric monoclonal antibody (mAb) chP3R99-LALA, which binds sulfated GAGs, inhibits low-density lipoprotein (LDL)-chondroitin sulfate (CS) association, and abrogates LDL oxidation and foam cell formation...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28316468/nutritional-quality-and-physicochemical-characteristics-of-defatted-bovine-liver-treated-by-supercritical-carbon-dioxide-and-organic-solvent
#12
Sung-Won Kang, Hye-Min Kim, M Shafiur Rahman, Ah-Na Kim, Han-Sul Yang, Sung-Gil Choi
Defatted bovine liver (DBL) is a potential source of protein and minerals. Supercritical carbon dioxide (SC-CO2) and a traditional organic solvent method were used to remove lipid from bovine liver, and the quality characteristics of a control bovine liver (CBL), bovine liver defatted by SC-CO2 (DBLSC-CO2) at different pressures, and bovine liver defatted by organic solvent (DBL-OS) were compared. The DBLSC-CO2 samples had significantly higher (p<0.05) protein, amino acid, carbohydrate, and fiber contents than CBL and DBL-OS...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/28315324/nucleolin-protects-macrophages-from-oxldl-induced-foam-cell-formation-through-up-regulating-abca1-expression
#13
Yuanbin Li, Bimei Jiang, Pengfei Liang, Zhongyi Tong, Meidong Liu, Qinglan Lv, Yanjuan Liu, Xuanyou Liu, Yuting Tang, Xianzhong Xiao
Our recent studies have indicated that nucleolin, as a multifunctional RNA-binding protein, exerts protective effects in the myocardial cells and endothelial cells under the condition of oxidative stress. However, the function of nucleolin and its potential mechanism in macrophage-derived foam cell formation remain largely unexplored. ApoE-/- mice were fed with a high-fat diet (HFD) for 10-24 weeks. Protein expression was measured by western blotting or immunofluorescence, and gene expression at the mRNA level was detected by qRT-PCR...
March 14, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28314051/electroosmotic-flow-measurements-in-a-freely-suspended-liquid-film-experiments-and-numerical-simulations
#14
Abdulkadir Hussein Sheik, H C Hemaka Bandulasena, Victor Starov, Anna Trybala
Fluid flow profiles in free liquid films stabilised by anionic and cationic surfactants under an external electric field were investigated. Depthwise velocity fields were measured at the mid region of the free liquid film by confocal μ-PIV and corresponding numerical simulations were performed using Finite Element Method (FEM) to model the system. Depthwise change in velocity profiles was observed with electroosmotic flow dominating in the vicinity of the gas-liquid and solid-liquid interfaces while backpressure drives fluid in the opposite direction at the core of the film...
March 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28306643/accuracy-and-reliability-of-assessing-lateral-compartmental-leg-composition-using-dual-energy-x-ray-absorptiometry
#15
Christiana J Raymond, Tyler A Bosch, Foster K Bush, Lisa S Chow, Donald R Dengel
PURPOSE: This study aimed to investigate the accuracy and reliability of a novel dual-energy x-ray absorptiometry (DXA) scanning method in the frontal plane for total, fat, and lean mass quantification of the anterior and posterior upper leg compartments. METHODS: Twenty-one (11 females; X¯age = 20.3 ± 1.3 yr) college athletes were assessed for total and regional body composition using DXA. The segmentation of anterior/posterior thigh compartments was measured with participants lying on their right and left sides and the scanned leg elevated with two foam pads...
April 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28306292/nonlocal-elasticity-near-jamming-in-frictionless-soft-spheres
#16
Karsten Baumgarten, Daniel Vågberg, Brian P Tighe
We use simulations of frictionless soft sphere packings to identify novel constitutive relations for linear elasticity near the jamming transition. By forcing packings at varying wavelengths, we directly access their transverse and longitudinal compliances. These are found to be wavelength dependent, in violation of conventional (local) linear elasticity. Crossovers in the compliances select characteristic length scales, which signify the appearance of nonlocal effects. Two of these length scales diverge as the pressure vanishes, indicating that critical effects near jamming control the breakdown of local elasticity...
March 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28306275/lamella-division-in-a-foam-flowing-through-a-two-dimensional-porous-medium-a-model-fragmentation-process
#17
Baudouin Géraud, Yves Méheust, Isabelle Cantat, Benjamin Dollet
We flow a 2D foam through a model 2D porous medium and study experimentally and numerically how the bubble size distribution evolves along the medium. The dominant mechanism of bubble creation is a fragmentation process occurring when bubbles pinched against obstacles are split in two smaller bubbles. We infer the statistics of these individual and local fragmentation events from the experimental data and propose a fragmentation equation to relate that statistics to the evolution of the global size distribution...
March 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28302947/in-vivo-bioactivity-of-porous-polyetheretherketone-with-a-foamed-surface
#18
Ayato Hieda, Naoya Uemura, Yoshiya Hashimoto, Isumi Toda, Shunsuke Baba
The in vivo bioactivity of porous polyetheretherketone (PEEK) with a foamed surface was evaluated using rabbit femoral bone. Cylindrical porous PEEK scaffolds, with pore diameter of 550 μm and porosity of 70%, were first prepared and immersed in 98% sulfuric acid, and then washed and immersed in 3 M potassium carbonate solution used as a foaming reagent. Numerous open pores of various sizes, as well as new functional groups, were visualized on the treated PEEK surface by scanning electron microscopy and X-ray photoelectron spectroscopy, respectively...
March 8, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28301824/using-a-dual-task-protocol-to-investigate-motor-and-cognitive-performance-in-healthy-children-and-youth
#19
Tracy L Fabri, Katherine E Wilson, Nicole Holland, Andrea Hickling, James Murphy, Philippe Fait, Nick Reed
OBJECTIVES: Mild traumatic brain injury (or concussion) is a prevalent yet understudied health concern in children and youth. This injury can cause dysfunction in both motor and cognitive domains; however, most literature focuses on single-task neuropsychological tests which only assess cognition. Although dual-task research on concussed children and youth is needed as many daily activities require both motor and cognitive domains, we must first investigate whether performing simultaneous motor and cognitive tasks of varied complexity impact these domains in healthy children and youth...
March 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28299190/apolipoprotein-b-containing-lipoproteins-and-atherosclerotic-cardiovascular-disease
#20
REVIEW
Michael D Shapiro, Sergio Fazio
Cholesterol-rich, apolipoprotein B (apoB)-containing lipoproteins are now widely accepted as the most important causal agents of atherosclerotic cardiovascular disease. Multiple unequivocal and orthogonal lines of evidence all converge on low-density lipoprotein and related particles as being the principal actors in the genesis of atherosclerosis. Here, we review the fundamental role of atherogenic apoB-containing lipoproteins in cardiovascular disease and several other humoral and parietal factors that are required to initiate and maintain arterial degeneration...
2017: F1000Research
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