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445746

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Kariem Mostafa Al Batouty et al.
The journal of adhesive dentistry, 15(2), 161-166 (2013-03-28)
To compare the push-out bond strength of a new glass fiber root canal filling material to that of Resilon/ Epiphany, EndoREZ, and gutta-percha/AH Plus root canal filling materials. Sixty roots were randomly divided into four groups (n = 15) according...
Zekeriya Öztemür et al.
Acta microbiologica et immunologica Hungarica, 60(2), 117-125 (2013-07-06)
Antibiotic-loaded acrylic bone cement (polymethylmethacrylate, PMMA) is used to prevent or treat infection in total joint replacement surgery. The purpose of this study was to investigate biocompatibility and cytotoxicity of the teicoplanin-loaded acrylic bone cement. Cytotoxicity examination of acrylic bone...
Xiangyu Wang et al.
The Science of the total environment, 449, 157-167 (2013-02-22)
To reveal how different dispersants influence the dispersity and physicochemical properties of palladium/iron nanoparticles (Pd/Fe NPs), we modified Pd/Fe NPs with poly(methylmethacrylate) (PMMA), polyacrylic acid (PAA) and cetyltrimethylammonium bromide (CTAB) respectively and obtained three hybrid NPs denoted M-Pd/Fe NPs, A-Pd/Fe...
Guillem Bori et al.
The Journal of arthroplasty, 29(5), 883-888 (2013-11-26)
This study assesses the factors associated with the dislocation of the Spacer-G and its clinical prognosis. Seventy-four spacers were reviewed. Acetabular bone defects, proximal femoral cementation of the spacer and its relationship to the size of the head spacer were...
Luiz G P Martins et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(44), 17762-17767 (2013-10-16)
In this paper we explore the direct transfer via lamination of chemical vapor deposition graphene onto different flexible substrates. The transfer method investigated here is fast, simple, and does not require an intermediate transfer membrane, such as polymethylmethacrylate, which needs...
Ana Sofia Gomes et al.
The International journal of prosthodontics, 28(1), 65-71 (2015-01-15)
The purpose of this study was to evaluate, in situ, the initial adhesion of microorganisms to as well as the surface roughness and chemical composition of ProBase Hot (Ivoclar Vivadent), a hard acrylic resin, and Vertex Soft (Vertex-Dental), an acrylic-based...
S A Bini et al.
The bone & joint journal, 95-B(3), 367-370 (2013-03-02)
We evaluated the impact of pre-coating the tibial component with polymethylmethacrylate (PMMA) on implant survival in a cohort of 16 548 primary NexGen total knee replacements (TKRs) in 14 113 patients. In 13 835 TKRs a pre-coated tray was used...
W Schummer et al.
British journal of anaesthesia, 112(4), 672-674 (2013-12-10)
We report on a rare complication of poly(methyl methacrylate) (PMMA), injected into the spine, which then inadvertently leaked into the venous system. This resulted in an embolism of PMMA and produced a mass surrounding a triple lumen central venous catheter...
K Weisshuhn et al.
The British journal of ophthalmology, 98(7), 980-983 (2013-07-16)
Preparation of the lamina during osteo-odonto-keratoprosthesis (OOKP) design is complex, and its longevity and watertightness important. To date, only acrylic bone cements have been used for bonding the optical cylinder to the tooth dentine. Our aim was to evaluate different...
Yang Wei et al.
Colloids and surfaces. B, Biointerfaces, 110, 363-371 (2013-06-12)
While protein-surface interactions have been widely studied, relatively little is understood at this time regarding how protein-surface interaction effects are influenced by protein-protein interactions and how these effects combine with the internal stability of a protein to influence its adsorbed-state...
Lizz van der Heijden et al.
The Journal of bone and joint surgery. American volume, 95(21), e159-e159 (2013-11-08)
It has been suggested that, when a patient has a giant cell tumor, subchondral bone involvement close to articular cartilage and a hyperthermic reaction from polymethylmethacrylate (PMMA) are risk factors for the development of osteoarthritis. We determined the prevalence, risk...
Hazards of bone cement: for patient and operating theatre personnel.
C Kakazu et al.
British journal of anaesthesia, 114(1), 168-169 (2014-12-17)
Jwala Karnik et al.
Journal of the American Academy of Dermatology, 71(1), 77-83 (2014-04-15)
Acne scarring remains a stubborn clinical problem. Few treatments have been shown to be definitely effective for this problem. Polymethylmethacrylate (PMMA) microspheres in collagen (ArteFill, Suneva Medical Inc, Santa Barbara, CA) have shown long-term benefit for nasolabial fold treatment. A pilot...
Luis Alberto Cordova et al.
Clinical science (London, England : 1979), 127(5), 277-293 (2014-05-16)
Aseptic loosening as a result of wear debris is considered to be the main cause of long-term implant failure in orthopaedic surgery and improved biomaterials for bearing surfaces decreases significantly the release of micrometric wear particles. Increasingly, in-depth knowledge of...
Massive cement pulmonary embolism during percutaneous vertebroplasty.
María Elena Arnáiz-García et al.
Heart (British Cardiac Society), 100(7), 600-600 (2013-10-24)
Sudheer D Rani et al.
Analytica chimica acta, 770, 103-110 (2013-03-19)
This paper presents a numerical study to investigate the effect of geometrical and material transition on the flow and progression of a sample plug in electrokinetic flows. Three cases were investigated: (a) effect of sudden cross-sectional area change (geometrical transition...
Bone cement embolism attached to central venous catheter.
J A Khan
British journal of anaesthesia, 114(2), 351-351 (2015-01-18)
Luís Marcos Cerdeira Ferreira et al.
Biosensors & bioelectronics, 47, 539-544 (2013-05-07)
This paper describes the development of a microfluidic system having as main component an enzymatic reactor constituted by a microchannel assembled in poly(methyl methacrylate) (PMMA) substrate connected to an amperometric detector. A CO2 laser engraving machine was used to make...
J Mason et al.
Medical physics, 40(3), 031717-031717 (2013-03-08)
In permanent seed implant prostate brachytherapy the actual dose delivered to the patient may be less than that calculated by TG-43U1 due to interseed attenuation (ISA) and differences between prostate tissue composition and water. In this study the magnitude of...
O Savabi et al.
The European journal of prosthodontics and restorative dentistry, 21(3), 105-108 (2013-11-23)
The purpose of this study was to evaluate the effect of chemical disinfectants on flexural strength of denture base acrylic resins. A total of 176 rectangular specimens (65x10x3 mm) were made from four heat-polymerized acrylic resins (Triplex,QC-20, Meliodent and Acropars)...
Pleural infection 55 years after plombage for pulmonary tuberculosis.
Qian-kun Chen et al.
Asian cardiovascular & thoracic annals, 21(1), 100-100 (2013-02-23)
Xinhua Li et al.
Medical physics, 40(3), 031903-031903 (2013-03-08)
In multidetector CT, the dose integral DIL of single scan dose profile over the integration interval (-L/2, L/2) can predict the accumulated dose DL(0) at the center of the scan range (-L/2, L/2) for a helical scan of pitch =...
Tim Van Hoeylandt et al.
Journal of chromatography. A, 1342, 63-69 (2014-04-15)
Peaks eluting from a size exclusion separation (SEC) are often not completely baseline-separated due to the inherent dispersity of the polymer. Lowering the flow rate is sometimes a solution to obtain a better physical separation, but results in a longer...
Teerthesh Jain et al.
The journal of contemporary dental practice, 14(1), 80-83 (2013-04-13)
The purpose of this study was to evaluate and compare the flexural strength of commercially available acrylic (trevalone) and modified polymethylmethacrylate (PMMA). Four groups were tested; Group 1- control group regular MMA, group 2-2% methacrylic acid, 88% MMA, group 3-16%...
Hidekazu Yamazaki et al.
Journal of bioscience and bioengineering, 118(4), 455-460 (2014-04-20)
Microwell chip culture is a promising technique for the generation of homogenous spheroids. We investigated the relationship between the structure of the bottom surface of microwell chip and the properties of HepG2 spheroid. We developed a microwell chip, the bottom...
C J Gutowski et al.
The bone & joint journal, 96-B(1), 65-69 (2014-01-08)
The rate of peri-prosthetic infection following total joint replacement continues to rise, and attempts to curb this trend have included the use of antibiotic-loaded bone cement at the time of primary surgery. We have investigated the clinical- and cost-effectiveness of...
Ali Dirani et al.
Journal of refractive surgery (Thorofare, N.J. : 1995), 30(4), 266-271 (2014-04-08)
To evaluate the safety and clinical outcomes of non-topography-guided photorefractive keratectomy (PRK) for the treatment of residual mild refractive errors 6 months after sequential intracorneal ring segment (ICRS) implantation and corneal collagen cross-linking (CXL) in stable keratoconus. This retrospective study...
A Demčenko et al.
Ultrasonics, 54(2), 684-693 (2013-10-08)
Elastic wave mixing using an immersion method has shown effective monitoring and scanning capabilities when applied to thermoplastic ageing, epoxy curing, and non-destructive testing. In water, excitation and reception of waves do not require physical contact between the tools and...
Jan-Hendrik Klein-Wiele et al.
Optics express, 21(7), 9017-9023 (2013-04-11)
A novel technique is introduced that dramatically increases the quality and spatial resolution of directly ablated periodic nanostructures on materials. The presented method utilizes a PMMA confinement layer spin coated on the surface of the ablated material reducing the violence...
Lucía D Garza-García et al.
Lab on a chip, 13(7), 1243-1246 (2013-02-16)
We report a proof-of-principle for the use of micro-devices as continuous bioreactors for the production of monoclonal antibodies. We culture CHO cells on the surface of PMMA "zigzag" channels textured with semi-spherical cavities coated with fibronectin, observing steady-state productivities 100...
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