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Showing 1-30 of 110 results for "267724" within Papers
Maria Menini et al.
The International journal of prosthodontics, 26(6), 549-556 (2013-11-02)
To measure the vertical occlusal forces transmitted through crowns made of different restorative materials onto simulated peri-implant bone. The study was conducted using a masticatory robot that is able to reproduce the mandibular movements and forces exerted during mastication. During
Thijs H Oude Munnink et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 54(6), 929-935 (2013-04-30)
Placental growth factor (PlGF) is a member of the proangiogenic vascular endothelial growth factor family, which is upregulated in many tumors. RO5323441, a humanized monoclonal antibody against PlGF, showed antitumor activity in human tumor xenografts. We therefore aimed to radiolabel
Tetsurou Odatsu et al.
American journal of dentistry, 26(1), 51-55 (2013-06-04)
To investigate the effect of surface polishing and finishing methods on the surface roughness of restorative ceramics. Disk specimens were prepared from feldspar-based, lithium disilicate-based, fluorapatite leucite-based and zirconia ceramics. Four kinds of surface polishing/finishing methods evaluated were: Group 1:
József Környei et al.
Magyar onkologia, 58(4), 245-250 (2014-12-18)
18F-fluoro-deoxyglucose (FDG) can be considered as the "work-horse" of PET/CT and PET/MR imaging modalities. FDG provides insight in the pathophysiology of tumors and metastases from the point of view of sugar consumption. On the other hand, amino acid metabolism, expression
A Moser et al.
Journal of the neurological sciences, 131(2), 183-189 (1995-08-01)
We could identify the MPTP-like compound and isoquinoline derivative N-methyl-norsalsolinol (2-MDTIQ) in cerebrospinal fluid (CSF) of patients with Parkinson's disease. The presence of 2-MDTIQ negatively correlated with the disease duration. In order to study the relationship between presence of 2-MDTIQ
Yue Fan et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(44), 17756-17761 (2013-10-12)
Probing the mechanisms of defect-defect interactions at strain rates lower than 10(6) s(-1) is an unresolved challenge to date to molecular dynamics (MD) techniques. Here we propose an original atomistic approach based on transition state theory and the concept of
E J Pappert et al.
Neurology, 47(4), 1037-1042 (1996-10-01)
To determine if ventricular cerebrospinal fluid (vCSF) alpha-tocopherol levels in Parkinson's disease (PD) patients can be increased by oral alpha-tocopherol supplementation and whether vCSF levels are linearly related to plasma alpha-tocopherol levels. In spite of its putative neuroprotective properties, alpha-tocopherol
[New bipolar electrosurgical tools based on zirconium dioxide].
S V Belov et al.
Meditsinskaia tekhnika, (2)(2), 20-24 (2013-06-26)
K S Alzimami et al.
The British journal of radiology, 86(1030), 20130318-20130318 (2013-08-13)
Positron emission tomography (PET) using zirconium-89 ((89)Zr) is complicated by its complex decay scheme. In this study, we quantified the effective dose from (89)Zr and compared it with fluorine-18 fludeoxyglucose ((18)F-FDG). Effective dose distribution in a PET/CT facility in Riyadh
S Ghosh et al.
Biological trace element research, 35(3), 247-271 (1992-12-01)
The action of Zirconium (Zr) on biological systems presents an enigma. It is ubiquitous, being present in nature in amounts higher than most trace elements. It is taken up by plants from soil and water and accumulated in certain tissues.
Patrick A Assal
Schweizer Monatsschrift fur Zahnmedizin = Revue mensuelle suisse d'odonto-stomatologie = Rivista mensile svizzera di odontologia e stomatologia, 123(7-8), 644-654 (2013-08-24)
Zirconia is currently extensively used in medicine, especially in orthopedic surgery for various joint replacement appliances. Its outstanding mechanical and chemical properties have made it the "material of choice" for various types of prostheses. Its color in particular makes it
Ting Jiang et al.
The journal of adhesive dentistry, 16(6), 553-557 (2014-12-18)
The surface roughness of zirconia specimens and the bond strength of zirconia and resin cements were evaluated after selective infiltrated etching (SIE) surface treatment using a modified glass agent. One hundred twenty zirconia specimens were divided into four groups according
O Tymofiyeva et al.
Dento maxillo facial radiology, 42(6), 20120271-20120271 (2013-04-24)
To investigate the potential influence of standard dental materials on dental MRI (dMRI) by estimating the magnetic susceptibility with the help of the MRI-based geometric distortion method and to classify the materials from the standpoint of dMRI. A series of
Brian J Jackson et al.
The Journal of oral implantology, 39(2), 187-192 (2013-04-25)
Dentists have several treatment options when restoring patients with congenitally missing maxillary lateral incisors. Endosseous implant therapy combined with orthodontics can achieve predictable outcomes while meeting patient expectations. This case report exhibits an interdisciplinary approach involving orthodontics, implant surgery, and
Blair Schoene et al.
Science (New York, N.Y.), 347(6218), 182-184 (2014-12-17)
The Chicxulub asteroid impact (Mexico) and the eruption of the massive Deccan volcanic province (India) are two proposed causes of the end-Cretaceous mass extinction, which includes the demise of nonavian dinosaurs. Despite widespread acceptance of the impact hypothesis, the lack
Oluwatayo F Ikotun et al.
Future medicinal chemistry, 3(5), 599-621 (2011-04-30)
Positron emission tomography, with its high sensitivity and resolution, is growing rapidly as an imaging technology for the diagnosis of many disease states. The success of this modality is reliant on instrumentation and the development of effective and novel targeted
Muhammad Shahid et al.
Reviews of environmental contamination and toxicology, 221, 107-127 (2012-10-24)
Zirconium (Zr) is a transition metal that has both stable and radioactive isotopes.This metal has gained significant attention as a major pollutant of concern, partly because it has been prominent in the debate concerning the growing anthropogenic pressure on the
The formation of 3-hydroxy-4-methoxyphenylalanine and 3-hydroxy-4-methoxyphenethylamine in plasma during L-DOPA therapy in patients with Parkinson's disease.
T Ishimitsu et al.
Chemical & pharmaceutical bulletin, 32(8), 3320-3322 (1984-08-01)
Abnormal trace metals in man: zirconium.
H A Schroeder et al.
Journal of chronic diseases, 19(5), 573-586 (1966-05-01)
Ajoy Kumar Pandey et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 3923-3930 (2013-08-06)
Developed ceria/yttria stabilized zirconia and ceria/yttria stabilized zirconia toughened alumina supported formation of apatite layer when immersed in simulated body fluid without any prior surface treatment. The formed mineral layer was confirmed as hydroxyapatite through X-ray diffraction patterns. The calcium/phosphate
Márcia Borba et al.
Brazilian oral research, 27(5), 396-402 (2013-09-17)
The objective of the study was to measure the marginal and internal fit of zirconia-based all-ceramic three-unit fixed partial dentures (FPDs) (Y-TZP - LAVA, 3M-ESPE), using a novel methodology based on micro-computed tomography (micro-CT) technology. Stainless steel models of prepared
Stefan Vandeweghe et al.
The International journal of prosthodontics, 26(5), 458-464 (2013-09-03)
The aim of this study was to evaluate and compare the outcomes of immediately loaded all-ceramic crown restorations supported by implants placed in both mature bone and immediate extraction sockets. Forty-three tapered, external hex implants were placed immediately after extraction
José Zorzin et al.
The journal of adhesive dentistry, 16(6), 541-546 (2014-12-18)
To evaluate the bonding performance of self-adhesive resin cements to zirconia and lithium disilicate in self- and dual-curing modes before and after thermocycling. Rectangular bars (3 mm high, 3 mm wide, 9 mm long) were manufactured from zirconia (Vita In-Ceram
New CAD/CAM materials and blocks for chairside procedures.
M Zimmermann et al.
International journal of computerized dentistry, 16(2), 173-181 (2013-08-13)
Alexandra E Strom et al.
The Journal of organic chemistry, 78(17), 8909-8914 (2013-08-01)
A one-pot anti-Markovnikov hydroamination of alkenes is reported. The synthesis of primary and secondary amines from unactivated olefins was accomplished in the presence of a variety of functional groups. Hydrozirconation, followed by amination with nitrogen electrophiles, provides exclusive anti-Markovnikov selectivity.
Le Ngoc Tran et al.
Journal of chromatography. A, 1356, 289-293 (2014-07-20)
An organic-inorganic silica/zirconia hybrid monolithic capillary column was prepared by sol-gel process in a fused-silica capillary by using triethoxysilylpropylcarbamate (TEOSPC) derivative of clindamycin phosphate (CLIP) as a chiral selector. A sol solution consisting of 6 × 10(-3)M of polyethylene glycol
Chanisa Nawanil et al.
Journal of nanoscience and nanotechnology, 13(5), 3700-3704 (2013-07-19)
This study synthesized blended lead zirconate (PbZrO3;PZ)/poly(ethylene oxide)(PEO)/Glutinous rice starch (GRS) nanofibers by the electrospinning method. A number of parameters such as the ratio between PEO and GRS and calcination temperature have been studied. The as-spun PZ/PEO/GRS composite and PZ
Boxiong Shen et al.
Journal of environmental sciences (China), 25(4), 791-800 (2013-08-09)
Ce-ZrO2 is a widely used three-way catalyst support. Because of the large surface area and excellent redox quality, Ce-ZrO2 may have potential application in selective catalytic reduction (SCR) systems. In the present work, Ce-ZrO2 was introduced into a low-temperature SCR
Wen Zhang et al.
The Analyst, 129(3), 229-234 (2004-02-24)
The fabrication and application of a novel electrochemical detector (ED) with nano crystalline Ce-doped lead dioxide film chemically modified electrode (CME) for liquid chromatography (LC) were described. The Ce-doped PbO(2) film was characterized by X-ray diffractometer (XRD) and scanning tunnel
Dino Re et al.
The international journal of esthetic dentistry, 9(3), 426-435 (2014-08-16)
Marginal fit is valued as one of the most important criteria for the clinical quality and success of all-ceramic crowns. The aim of this in vitro study was to investigate the marginal fit of Lava Zirconia crown-copings on chamfer and
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