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https://www.readbyqxmd.com/read/28088046/application-of-acid-modified-polyurethane-foam-surface-for-detection-and-removing-of-organochlorine-pesticides-from-wastewater
#1
E A Moawed, A M Radwan
The commercial polyurethane foam was acid modified to get an inexpensive adsorbent (AM-PUF) has highly surface polarity and sorption capacity. The elemental analysis, scanning electron microscopy, thermal analysis, ultraviolet/visible/infrared spectroscopies and X-ray diffraction were used for characterization of AM-PUF. The surface of AM-PUF has amorphous character (broadband at 2θ, 21.75°) and contains several active sites e.g. NH, OH, CO, CC and COC groups. The electrical conductivity (σ), iodine value and methylene blue index of AM-PUF are 1...
January 7, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28087809/trim13-potentiates-tlr2-mediated-nf-%C3%AE%C2%BAb-activation-via-k29-linked-polyubiquitination-of-traf6
#2
Bin Huang, Suk-Hwan Baek
Ubiquitination is a versatile post-translational modification involved in NF-κB activation of TLR signaling. Here, we demonstrated that Trim13, an E3 ubiquitin ligase, is up-regulated in macrophages upon stimulation with TLR2 ligand. Knock-down of Trim13 attenuated TLR2-mediated production of cytokines/chemokines and formation of foam cells, as well as activation of NF-κB. Trim13 interacts with TRAF6 and potentiates NF-κB activity via ubiquitination of TRAF6. Overexpression of inactive mutant (C10/13A) or RING deletion mutant of Trim13 did not potentiate ubiquitination of TRAF6 or activation of NF-κB...
January 13, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28078868/minoxidil-dose-response-study-in-female-pattern-hair-loss-patients-determined-to-be-non-responders-to-5-topical-minoxidil
#3
J McCoy, A Goren, M Kovacevic, J Shapiro
Topical minoxidil is the only US FDA approved drug for the treatment of female pattern hair loss (FPHL). 5% minoxidil foam is only effective at re-growing hair in a minority of women (approximately 40%). Thus, the majority of FPHL patients remain untreated. Previously, we demonstrated that nonresponders to 5% minoxidil have low metabolism of minoxidil in hair follicles. As such, we hypothesized that increasing the dosage of topical minoxidil to low metabolizers would increase the number of responders without increasing the incidence of adverse events...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28077195/evidence-based-medicine-in-the-era-of-social-media-scholarly-engagement-through-participation-and-online-interaction
#4
Teresa Chan, N Seth Trueger, Damian Roland, Brent Thoma
The integration of new knowledge into clinical practice continues to lag behind discovery. The use of Free Open Access Medical education (FOAM) has disrupted communication between emergency physicians, making it easy for practicing clinicians to interact with colleagues from around the world to discuss the latest and highest impact research. FOAM has the potential to decrease the knowledge translation gap, but the concerns raised about its growing influence are 1) research that is translated too quickly may cause harm if its findings are incorrect; 2) there is little editorial oversight of online material; and 3) eminent online individuals may develop an outsized influence on clinical practice...
January 12, 2017: CJEM
https://www.readbyqxmd.com/read/28076500/histological-evaluation-of-capsules-formed-by-silicon-implants-coated-with-polyurethane-foam-and-with-a-textured-surface-in-rats
#5
Eduardo Nascimento Silva, Jurandir Marcondes Ribas-Filho, Nicolau Gregori Czeczko, Jan Pawel Andrade Pachnicki, Mário Rodrigues Montemor Netto, Leandro Cavalcante Lipinski, Lucia de Noronha, Joelmir Colman, João Otavio Zeni, Caroline Aragão de Carvalho
PURPOSE: To assess the capsules formed by silicone implants coated with polyurethane foam and with a textured surface. METHODS: Sixty-four Wistar albinus rats were divided into two groups of 32 each using polyurethane foam and textured surface. The capsules around the implants were analyzed for 30, 50, 70 and 90 days. Were analyzed the following parameters: foreign body reaction, granulation tissue, presence of myofibroblasts, neoangiogenesis, presence of synovial metaplasia, capsular thickness, total area and collagen percentage of type I and III, in capsules formed around silicone implants in both groups...
December 2016: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28074932/the-helicobacter-cinaedi-antigen-caip-participates-in-atherosclerotic-inflammation-by-promoting-the-differentiation-of-macrophages-in-foam-cells
#6
Mario Milco D'Elios, Francesca Vallese, Nagaja Capitani, Marisa Benagiano, Maria Lina Bernardini, Mirko Rossi, Gian Paolo Rossi, Mauro Ferrari, Cosima Tatiana Baldari, Giuseppe Zanotti, Marina de Bernard, Gaia Codolo
Recent studies have shown that certain specific microbial infections participate in atherosclerosis by inducing inflammation and immune reactions, but how the pathogens implicated in this pathology trigger the host responses remains unknown. In this study we show that Helicobacter cinaedi (Hc) is a human pathogen linked to atherosclerosis development since at least 27% of sera from atherosclerotic patients specifically recognize a protein of the Hc proteome, that we named Cinaedi Atherosclerosis Inflammatory Protein (CAIP) (n = 71)...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28074536/use-of-an-intravenous-sclerosing-foam-3-sodium-tetradecyl-sulfate-for-treatment-of-orbital-varix-in-a-dog
#7
Rebecca S Saunders, Brian A Scansen, Stephen S Jung, Hooman Khabiri, David A Wilkie
A 6-month-old intact male Standard Dachshund was referred for evaluation of a soft tissue swelling above the right eye. Examination of the right eye revealed mild lateral deviation of the globe, normal vision, and a dorsonasal soft tissue swelling. Examination of the posterior segment was normal. Dual-phase computed tomography angiography was consistent with an orbital varix of the angularis oculi and right dorsal external ophthalmic veins with no evidence of arterial involvement. Treatment involved fluoroscopically guided coil embolization of the venous outflow with nine platinum microcoils, followed by sclerotherapy of the varix using 1...
January 10, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28074195/harnessing-the-advantages-of-hard-and-soft-colloids-by-the-use-of-core-shell-particles-as-interfacial-stabilizers
#8
C Buchcic, R H Tromp, M B J Meinders, M A Cohen Stuart
The ability of colloidal particles to penetrate fluid interfaces is a crucial factor in the preparation of particle stabilized disperse systems such as foams and emulsions. For hard micron-sized particles the insertion into fluid interfaces requires substantial energy input, but soft particles are known to adsorb spontaneously. Particle hardness, however, may also affect foam and emulsion stability. The high compliance of soft particles may compromise their ability to withstand the lateral compression associated with disproportionation...
January 11, 2017: Soft Matter
https://www.readbyqxmd.com/read/28072961/-a-case-report-of-childhood-farber-s-disease-and-literature-review
#9
X H Bao, J M Tian, T Y Ji, X Z Chang
Objective: To explore the clinical features, diagnosis, treatment and the prognosis of Farber disease by case report and literature review. Method: The clinical information of a case with farber's disease diagnosed in October 2015 at Peking University First Hospital was collected and analyzed, including clinical manifestation, electrophysiology, magnetic resonance imaging, pathology, treatments and prognosis.ASAH1 gene mutational analysis was conducted in the patient and her parents.By using "Farber's disease, ASAH1" as keywords, literature was searched from Pubmed, CHKD and HGMD database from January 1951 to January 2016...
January 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28071938/tailoring-structure-and-technological-properties-of-plant-proteins-using-high-hydrostatic-pressure
#10
Rui P Queirós, Jorge A Saraiva, José A Lopes da Silva
The demand for proteins is rising and alternatives to meat proteins are necessary since animal husbandry is expensive and intensive to the environment. Plant proteins appear as an alternative; however, their techno-functional properties need improvement. High-pressure processing (HPP) is a non-thermal technology that has several applications including the modification of proteins. The application of pressure allows modifying proteins' structure hence allowing to change several of their properties, such as hydration, hydrophobicity, and hydrophilicity...
January 10, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28070559/the-mechanics-and-design-of-a-lightweight-three-dimensional-graphene-assembly
#11
Zhao Qin, Gang Seob Jung, Min Jeong Kang, Markus J Buehler
Recent advances in three-dimensional (3D) graphene assembly have shown how we can make solid porous materials that are lighter than air. It is plausible that these solid materials can be mechanically strong enough for applications under extreme conditions, such as being a substitute for helium in filling up an unpowered flight balloon. However, knowledge of the elastic modulus and strength of the porous graphene assembly as functions of its structure has not been available, preventing evaluation of its feasibility...
January 2017: Science Advances
https://www.readbyqxmd.com/read/28070256/consumer-perception-and-preference-of-drinking-water-sources
#12
Seyed Ali Sajjadi, Vali Alipour, Mohammad Matlabi, Hamed Biglari
INTRODUCTION: Understanding consumer perception of drinking water can contribute to improvements in water management and consumer satisfaction. The aim of this study was to assess the consumer perception of tap water quality and other drinking water sources in Gonabad as a small semiarid city. METHODS: This study was performed in autumn and winter 2013. For collection data a researcher-made a questionnaire consisting of nine questions, based on demographic information prepared...
November 2016: Electronic Physician
https://www.readbyqxmd.com/read/28070020/galvanic-displacement-assembly-of-ultrathin-co3o4-nanosheet-arrays-on-nickel-foam-for-high-performance-supercapacitor
#13
Yuxiu You, Maojun Zheng, Liguo Ma, Xiaoliang Yuan, Bin Zhang, Qiang Li, Faze Wang, Jingnan Song, Dongkai Jiang, Pengjie Liu, Li Ma, Wenzhong Shen
Supercapacitors with high performance are highly desired for many portable electronic devices, electric vehicles and high power electronic devices. Herein, a facile and binder-free synthesis method, galvanic displacement of the precursor followed by heat treatment, is used to fabricate ultrathin Co3O4 nanosheet arrays on nickel foam substrate. The prepared Co3O4 on nickel foam used as a supercapacitor electrode exhibits maximum specific capacitance of 1095 F g-1 at the current density of 1 A g-1 and good cycling stability of 71% retention after 2000 cycling tests...
January 10, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28068621/formation-of-porous-hpcl-lpcl-ha-scaffolds-with-supercritical-co2-gas-foaming-method
#14
M Zahedi Moghadam, Sh Hassanajili, F Esmaeilzadeh, M Ayatollahi, M Ahmadi
Scaffold is a 3D porous structure that is made of different materials, such as synthetic and natural polymers. It plays the role of a synthetic extracellular matrix and permits adhesion, proliferation and differentiation of the cells. Porosity and pore size are the important factors for any 3D scaffold used in bone tissue engineering. In this study, porous scaffolds were prepared by adding hydroxyapatite (HA) nanoparticles as filler to the polymeric matrix of polycaprolactone (PCL) blends with two different molecular weight by using supercritical CO2 (ScCO2) foaming method...
January 3, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28068425/predictive-factors-for-pressure-ulcers-in-an-older-adult-population-hospitalized-for-hip-fractures-a-prognostic-cohort-study
#15
Paolo Chiari, Cristiana Forni, Monica Guberti, Domenica Gazineo, Sabrina Ronzoni, Fabio D'Alessandro
BACKGROUND: Older adult patients with fragility hip fractures constitute a population at high risk for complications, in particular pressure ulcers. The aim was to evaluate the incidence of pressure ulcers and potential predictive factors. METHODS AND FINDINGS: A prospective multicentric prognostic cohort study in orthopedic wards in three Italian public hospitals. Participants were all consecutive patients 65 years of age or older diagnosed with a fragility hip fracture...
2017: PloS One
https://www.readbyqxmd.com/read/28067807/air-coupled-low-frequency-ultrasonic-transducers-and-arrays-with-pmn-32-pt-piezoelectric-crystals
#16
Rymantas J Kazys, Reimondas Sliteris, Justina Sestoke
Air-coupled ultrasonic techniques are being increasingly used for material characterization, non-destructive evaluation of composite materials using guided waves as well as for distance measurements. Application of those techniques is mainly limited by the big losses of ultrasonic signals due to attenuation and mismatch of the acoustic impedances of ultrasonic transducers and air. One of the ways to solve this problem is by application of novel more efficient piezoelectric materials like lead magnesium niobate-lead titanate (PMN-PT) type crystals...
January 6, 2017: Sensors
https://www.readbyqxmd.com/read/28067638/a-geometric-exploration-of-stress-in-deformed-liquid-foams
#17
Myfanwy Ella Evans, Gerd Schröder-Turk, Andrew Kraynik
We explore an alternate way of looking at the rheological response of a yield stress fluid: using discrete geometry to probe the heterogeneous distribution of stress in soap froth. We present quasi-static, uniaxial, isochoric compression and extension of three-dimensional random monodisperse soap froth in periodic boundary conditions and examine the stress and geometry that result. The stress and shape anisotropy of individual cells is quantified by Q, a scalar measure derived from the interface tensor that gauges each cell���s contribution to the global stress...
January 9, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28067466/anterior-lumbar-interbody-fusion-integrated-screw-cages-intrinsic-load-generation-subsidence-and-torsional-stability
#18
Yusuf Assem, Matthew H Pelletier, Ralph J Mobbs, Kevin Phan, William R Walsh
OBJECTIVE: To perform a repeatable idealized in vitro model to evaluate the effects of key design features and integrated screw fixation on unloaded surface engagement, subsidence, and torsional stability. METHODS: We evaluated four different stand-alone anterior lumbar interbody fusion (ALIF) cages with two, three, and four screw designs. Polyurethane (saw-bone) foam blocks were used to simulate the vertebral bone. Fuji Film was used to measure the contact footprint, average pressure, and load generated by fixating the cages with screws...
January 9, 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28067009/one-step-3d-tv-hysterosalpingo-foam-sonography-3d-tv-hyfosy-confirmation-test-for-essure%C3%A2-follow-up-a-multicenter-study
#19
Brunella Zizolfi, Lucia Lazzeri, Mario Franchini, Attilio Di Spiezio Sardo, Carmine Nappi, Emilio Piccione, Caterina Exacoustos
OBJECTIVE: To evaluate the feasibility and accuracy of a three-dimensional-transvaginal-hysterosalpingo-contrast-sonography using the new dedicated contrast-enhanced gel foam (3D-TV-HyFoSy) to assess the position of the tubal sterilization Essure® devices and consequent tubal occlusion in patients who underwent Essure® hysteroscopic tubal sterilization. METHODS: This multicenter study was prospectively conducted from June 2012 to July 2014 in four italian centers and included 50 women who underwent hysteroscopic Essure® microinsert placement, for a total of 95 tubes...
January 9, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28063657/persistent-organic-pollutants-pops-in-the-atmosphere-of-three-chilean-cities-using-passive-air-samplers
#20
Karla Pozo, Germán Oyola, Victor H Estellano, Tom Harner, Anny Rudolph, Petra Prybilova, Petr Kukucka, Ondrej Audi, Jana Klánová, America Metzdorff, Silvano Focardi
In this study passive air samplers containing polyurethane foam (PUF) disks were deployed in three cities across Chile; Santiago (STG) (n=5, sampling sites), Concepciόn (CON) (n=6) and Temuco (TEM) (n=6) from 2008 to 2009. Polychlorinated biphenyls (PCBs) (7 indicator congeners), chlorinated pesticides hexachlorocyclohexanes (HCHs), dichlorodiphenyl trichloroethanes (DDTs) and flame retardants such as polybrominated diphenyl ethers (PBDEs) were determined by gas chromatography coupled mass spectrometry (GC/MS)...
January 4, 2017: Science of the Total Environment
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