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Showing 1-30 of 118 results for "GF52005596" within Papers
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
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
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
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
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
Katarzyna Gurzawska et al.
Journal of biomedical nanotechnology, 8(6), 1012-1024 (2012-10-04)
Long-term stability of titanium implants are dependent on a variety of factors. Nanocoating with organic molecules is one of the method used to improve osseointegration. Nanoscale modification of titanium implants affects surface properties, such as hydrophilicity, biochemical bonding capacity and
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
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
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
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
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
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
Mark A Baker et al.
Journal of visualized experiments : JoVE, (94)(94), doi:10-doi:10 (2015-01-16)
Spermatozoa are quite unique amongst cell types. Although produced in the testis, both nuclear gene transcription and translation are switched off once the pre-cursor round cell begins to elongate and differentiate into what is morphologically recognized as a spermatozoon. However
[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)
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
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
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
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
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
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
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)
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
Renée C Pompei-Reynolds 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(2), 215-226 (2014-08-03)
The manufacturing process for copper-nickel-titanium archwires is technique sensitive. The primary aim of this investigation was to examine the interlot consistency of the mechanical properties of copper-nickel-titanium wires from 2 manufacturers. Wires of 2 sizes (0.016 and 0.016 × 0.022
Ya Shen et al.
Journal of endodontics, 39(2), 163-172 (2013-01-17)
The performance and mechanical properties of nickel-titanium (NiTi) instruments are influenced by factors such as cross-section, flute design, raw material, and manufacturing processes. Many improvements have been proposed by manufacturers during the past decade to provide clinicians with safer and
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
Aaron F Cipriano et al.
Journal of biomedical nanotechnology, 10(4), 660-668 (2014-04-17)
The objective of this study was to investigate the adhesion and morphology of bone marrow derived stromal cells (BMSCs) on bulk titanium (Ti) substrates with precisely-patterned surfaces consisting of groove-based gratings with groove widths ranging from 50 micro m down
Luigi De Nardo et al.
The International journal of artificial organs, 35(9), 629-641 (2012-10-16)
The natural oxide layer on implantable alloys insulates the reactive underlying metal from the physiological environment, preventing substrate corrosion and device failure. This type of oxide film has had a major role in the minimization of functional failure and toxic
HaeYong Kweon et al.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons, 72(10), 1928-1936 (2014-09-23)
The objective of this study was to compare bone formation after installation of uncoated (UC), hydroxyapatite-coated (HA), collagen plus HA-coated (CH), and silk plus HA-coated (SH) implants. Implants in the UC group had acid-etched surfaces. Surface coating was applied using
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