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Showing 1-30 of 118 results for "GF54883581" within Papers
Stefan Schulz-Drost et al.
Journal of visualized experiments : JoVE, (95)(95), e52124-e52124 (2015-01-16)
Different ways to stabilize a sternal fracture are described in literature. Respecting different mechanisms of trauma such as the direct impact to the anterior chest wall or the flexion-compression injury of the trunk, there is a need to retain each
Goldie Songra et al.
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 145(5), 569-578 (2014-05-03)
The aim of this study was to compare the time to initial alignment and extraction space closure using conventional brackets and active and passive self-ligating brackets. One hundred adolescent patients 11 to 18 years of age undergoing maxillary and mandibular
Toshihiro Fujita et al.
Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology, 111(12), 2311-2318 (2014-12-09)
An 89-year-old man was admitted to our hospital for thorough investigation of refractory diabetes mellitus, which revealed primary squamous cell carcinoma of the duodenum. After two courses of chemotherapy, follow-up esophagoduodenogastroscopy and duodenal biopsy showed no evidence of tumor. No
Mingjie Liu et al.
Nature, 517(7532), 68-72 (2015-01-06)
Machine technology frequently puts magnetic or electrostatic repulsive forces to practical use, as in maglev trains, vehicle suspensions or non-contact bearings. In contrast, materials design overwhelmingly focuses on attractive interactions, such as in the many advanced polymer-based composites, where inorganic
B Fink et al.
The bone & joint journal, 96-B(7), 889-895 (2014-07-06)
We report our experience of revision total hip replacement (THR) using the Revitan curved modular titanium fluted revision stem in patients with a full spectrum of proximal femoral defects. A total of 112 patients (116 revisions) with a mean age
Xilong Wang et al.
Environmental pollution (Barking, Essex : 1987), 194, 31-37 (2014-08-05)
Dissolved organic matter (DOM) may alter the sorption of hydrophobic organic contaminants (HOC) to metal oxide nanoparticles (NPs), but the role of DOM and NP types is poorly understood. Here, phenanthrene sorption was quantified on four types of nano-TiO2 (three
David B Warheit
Toxicology letters, 220(2), 193-204 (2013-04-23)
Due to its multifunctional applications, titanium dioxide particles have widespread use in commerce. The particle-types function as sources of pigment color, in food products, anti-bacterial components, ultraviolet radiation scavengers, catalysts, as well as in cosmetics. Because of its inherent properties
Klas Gustafson et al.
Acta orthopaedica, 85(4), 348-354 (2014-06-17)
Metal-on-metal (MOM) total hip arthroplasties were reintroduced because of the problems with osteolysis and aseptic loosening related to polyethylene wear of early metal-on-polyethylene (MOP) arthroplasties. The volumetric wear rate has been greatly reduced with MOM arthroplasties; however, because of nano-size
Lars L Hermansen et al.
Acta orthopaedica, 86(1), 127-133 (2014-09-02)
The anti-osteoporotic drug raloxifene reduces the risk of vertebral fractures by increasing bone mass density. We investigated whether raloxifene offers any benefits in augmenting early fixation of orthopedic implants in the setting of impaction bone grafting. 24 non-weight-bearing grafted gap
Estefany I Medina-Reyes et al.
Environmental research, 136, 424-434 (2014-12-03)
Titanium dioxide nanoparticles (TiO2 NPs) studies have been performed using relatively high NPs concentration under acute exposure and limited studies have compared shape effects. We hypothesized that midterm exposure to low TiO2 NPs concentration in lung epithelial cells induces carcinogenic
Xueting Wang et al.
Environmental pollution (Barking, Essex : 1987), 195, 31-38 (2014-09-10)
The cotransport of multi-walled carbon nanotubes (MWCNTs) and nanoscaled titanium dioxide (nano-TiO2) in porous media were investigated in 1 and 10 mM NaCl at both pH 5 and 7. Nano-TiO2 decreased MWCNTs transport under all conditions. The increased MWCNTs deposition at
MoonHee Kim et al.
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 146(1), 119-123 (2014-07-01)
Molar uprighting is an important adjunctive treatment in orthodontics: repositioning the tilted molar eliminates the potentially pathologic condition and simplifies the ultimate restorative procedure. Although various methods for molar uprighting have been applied successfully, they still have some limitations and
Pooja Garg et al.
The Journal of oral implantology, 40(6), 649-654 (2014-12-17)
Desired retrievability of cemented implant-supported fixed prosthesis makes the retentive strength of cementing agents an important consideration. The aim of the study was to evaluate the retentiveness of purposely designed implant cement and compare its retentiveness with dental cements that
M Savabieasfahani et al.
Environmental monitoring and assessment, 187(1), 4127-4127 (2014-12-03)
Anthropogenic release of pollutants into the environment is especially harmful to growing fetuses and young children. These populations are at an increased risk of damage because exposure to pollutants during critical periods of development can cause many impairments. Children's exposure
Peter Komlosi et al.
Journal of neurosurgery. Spine, 22(1), 34-38 (2014-11-08)
Monoenergetic imaging with dual-energy CT has been proposed to reduce metallic artifacts in comparison with conventional polychromatic CT. The purpose of this study is to systematically evaluate and define the optimal dual-energy CT imaging parameters for specific cervical spinal implant
Collin D Kraus et al.
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 145(5), 655-666 (2014-05-03)
The purpose of this study was to evaluate the biologic response of dentoalveolar bone to archwire expansion with light-to-moderate continuous forces. With a split-mouth experimental design, the maxillary right second premolars of 7 adult male dogs were expanded for 9
Shitu Jindal et al.
The Journal of oral implantology, 40 Spec No, 347-355 (2014-07-16)
This investigation was carried out to study the effect of a novel process of surface modification, surface nanostructuring by ultrasonic shot peening, on osteoblast proliferation and corrosion behavior of commercially pure titanium (c p-Ti) in simulated body fluid. A mechanically
Bin Xia et al.
The Science of the total environment, 508, 525-533 (2014-12-09)
The toxicity of TiO2 engineered nanoparticles (NPs) to the marine microalga Nitzschia closterium was investigated by examining growth inhibition, oxidative stress and uptake. The results indicated that the toxicity of TiO2 particles to algal cells significantly increased with decreasing nominal
Zhensen Tang et al.
Journal of nanoscience and nanotechnology, 14(2), 1494-1507 (2014-04-23)
Resistive switching (RS) phenomena have been vigorously investigated in a large variety of materials and highlighted for its preeminent potential for the future nonvolatile semiconductor memory applications or reconfigurable logic circuits. Among the various resistive switching materials, the binary metal
Liming Wang et al.
Journal of nanoscience and nanotechnology, 14(6), 4224-4228 (2014-04-18)
Tetragonal Barium titanate (BaTiO3) nanotube arrays have been prepared using the template-assisted hydrothermal method combined with an annealing process. The in-situ chemical conversion of TiO2 nanotube array templates ensured that BaTiO3 maintained the morphology of the nanotube architectures. Moreover, X-ray
Endodontic canal preparation: innovations in glide path management and shaping canals.
Clifford J Ruddle et al.
Dentistry today, 33(7), 118-123 (2014-08-15)
R Nivea et al.
Journal of nanoscience and nanotechnology, 14(6), 4383-4386 (2014-04-18)
The removal of dye from industrial effluents is prime important, photo-catalysis is a finest method to combat dye from effluents. This study concerns about the investigation of photocatalytic activity of TiO2-HPAs (Hetropolyacids) nanocomposite namely TiO2-Phosphomolybdic nanocomposite [TiO2-HMA] and TiO2-Phosphotungstic nanocomposite
Namrata Nataraj et al.
Journal of biomedical nanotechnology, 10(5), 864-870 (2014-04-17)
Staphylococcus aureus is one of the major causes of skin and soft tissue infections. In this study we compared the antimicrobial activity of two different TiO2 nanoformulations against Staphylococcus aureus. We synthesized TiO2 nanoparticles of approximately 80 nm diameter and
Sepideh Minagar et al.
Journal of biomedical materials research. Part A, 101(9), 2726-2739 (2013-02-26)
Titanium and titanium alloy implants that have been demonstrated to be more biocompatible than other metallic implant materials, such as Co-Cr alloys and stainless steels, must also be accepted by bone cells, bonding with and growing on them to prevent
Dieter C Wirtz et al.
Acta orthopaedica, 85(6), 562-569 (2014-09-02)
Due to the relative lack of reports on the medium- to long-term clinical and radiographic results of modular femoral cementless revision, we conducted this study to evaluate the medium- to long-term results of uncemented femoral stem revisions using the modular
Shibin Li et al.
Chemosphere, 112, 62-69 (2014-07-23)
With a dramatic rise in complexity, needs of nanotoxicology research go beyond simple forms of nanomaterials. This study compared the phototoxicity of nano-TiO2 and graphene-TiO2 nanocomposite (GNP). GNP was synthesized based on a hydrothermal method, which simultaneously performed the reduction
[Allergic to titanium plate fixation implants after operation of tibial plateau fracture: a case report].
Zai-qiang Xu et al.
Zhongguo gu shang = China journal of orthopaedics and traumatology, 27(12), 1047-1049 (2015-02-03)
Alejandra Navarro-Palacios et al.
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 146(1), 92-97 (2014-07-01)
Orthodontic tooth movement implies application of forces that generate an inflammatory process. The myeloperoxidase (MPO) enzyme is found inside neutrophil granules. MPO activity indirectly reflects the level of inflammation. The aim of this study was to measure MPO activity in
Evsen Tamam et al.
The Journal of oral implantology, 40(2), 153-159 (2014-05-02)
Implant failure is more likely to occur in persons with medically compromising systemic conditions, such as diabetes related to high blood glucose levels and inflammatory diseases related to pH levels lower than those in healthy people. The aim of this
A Verma et al.
Chemosphere, 109, 7-13 (2014-05-31)
The investigation presents the observations on the use of cement beads for the immobilization of TiO2 for the degradation of herbicide isoproturon. The immobilized system was effective in degrading and mineralizing the herbicide for continuous thirty cycles without losing its
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