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267694

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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...
Merve Bankoğlu Güngör et al.
The Journal of oral implantology, 40(4), 485-494 (2014-08-12)
Due to the possible aesthetic problems of titanium implants, the developments in ceramic implant materials are increasing. Natural tooth colored ceramic implants may be an alternative to overcome aesthetic problems. The purpose of this article is to give information about...
Hai-Bo Shang et al.
Journal of chromatography. A, 1357, 165-171 (2014-06-04)
Effective solid-phase microextraction (SPME) of polar phenols from water samples is usually difficult due to the strong interaction between polar phenols and aqueous matrix. Here, we report the fabrication of a metal-organic framework UiO-66 coated stainless steel fiber via physical...
K Prem Ananth et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 4160-4166 (2013-08-06)
The physical, chemical and biological properties of the bioglass reinforced yttria-stabilized composite layer on Ti6Al4V titanium substrates were investigated. The Ti6Al4V substrate was deposited with yttria stabilized zirconia - YSZ as the base layer of thickness ≈4-5 μm, to inhibit...
Yugo Hatai
The international journal of esthetic dentistry, 9(2), 206-222 (2014-04-26)
In contemporary dentistry, we have a vast range of materials to choose from, and metal free restorations have become the premier materials for achieving the ultimate in both esthetics and durability. Metal-free restorations are utilized with more conservative preparations to...
Piyanut Charoonsuk et al.
Journal of nanoscience and nanotechnology, 13(5), 3529-3534 (2013-07-19)
The chemical reaction and phase evolution of perovskite lead zirconate (PbZrO3; PZ) nanoparticles, synthesized by the sono-assisted co-precipitation method, have been investigated. The nanopowders were characterized using the X-ray diffraction technique (XRD), Fourier transform infrared (FT-IR) spectroscopy, Raman spectroscopy, transmission...
R Shukla et al.
The International journal of neuroscience, 116(12), 1391-1402 (2006-12-06)
Evidence from clinical and experimental studies supports the hypothesis of free radical-mediated damage of dopaminergic neurons in the pathology of Parkin's disease (PD). The present study was undertaken to evaluate the role of nitric oxide and oxidative stress in PD....
Surgical, biologic and implant-related factors affecting bone remodeling around implants.
Matteo Capelli
The European journal of esthetic dentistry : official journal of the European Academy of Esthetic Dentistry, 8(2), 279-313 (2013-05-29)
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...
Gopalu Karunakaran et al.
Journal of nanoscience and nanotechnology, 13(1), 678-685 (2013-05-08)
Currently, nanometal oxides are used extensively in different industries such as medicine, cosmetics and food. The increased consumption of nanoparticles (NPs) leads the necessity to understand the fate of the nanoparticles in the environment. The present study focused on the...
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....
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...
Giovanni Forte et al.
Annali dell'Istituto superiore di sanita, 41(2), 189-195 (2005-10-26)
Twenty-six metals and the oxidative status in 71 patients affected by Parkinson's disease and 44 healthy individuals were compared in order to identify potential biomarkers of the disease. In the patients, the following significant imbalances were found (p < or...
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...
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...
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...
M Sasse et al.
International journal of computerized dentistry, 16(2), 109-118 (2013-08-13)
This study evaluated the clinical outcome of CAD/CAM zirconia-ceramic resin-bonded fixed dental prostheses (RBFDPs) with a cantilevered single-retainer design. Thirty anterior zirconia-ceramic RBFDPs fabricated with the Cerec CAD/CAM system were inserted using either a phosphate monomer containing resin (Panavia 21...
Johannes Levin et al.
Dementia and geriatric cognitive disorders, 29(6), 553-559 (2010-07-08)
Increasing evidence suggests that elevated levels of homocysteine (Hcy) and methylmalonate (MMA) may be involved in the pathogenesis of neurodegenerative diseases. The urine levels of MMA and serum levels of Hcy as well as folic acid and vitamin B(12) were...
Soo Min Hwang et al.
Journal of nanoscience and nanotechnology, 13(11), 7774-7778 (2013-11-20)
We fabricated InSnZnO (ITZO) thin-film transistors (TFTs) with a high-permittivity (K) ZrO2 gate insulator using a solution process and explored the microstructure and electrical properties. ZrO2 and ITZO (In:Sn:Zn = 2:1:1) precursor solutions were deposited using consecutive spin-coating and drying...
C H Huang et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 4183-4187 (2013-08-06)
The bio-electrochemical response in simulated body fluid of the Zr53Cu30Ni9Al8 metallic glasses with different degrees of partial crystallization was systematically examined and discussed. Through thermal annealing, the volume fractions of the crystalline phases are determined to be 0, 34, 63...
Daryoush Afzali et al.
Environmental monitoring and assessment, 186(6), 3523-3529 (2014-02-04)
In this study, a ternary Zr(IV) system with 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol (5-Br-PADAP) and fluoride was chosen on the basis of dispersive liquid-liquid microextraction method. Zirconium was extracted into the fine droplets of dichlorobenzene as extracting solvent. These drops dispersed as a cloud...
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)
A 21-year-old patient with a HER2-positive colorectal cancer.
Frederike Bensch et al.
Gastroenterology, 148(1), 20-21 (2014-12-03)
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...
Y Kotake et al.
Journal of neurochemistry, 65(6), 2633-2638 (1995-12-01)
1-Benzyl-1,2,3,4-tetrahydroisoquinoline (1BnTIQ) was detected as a novel endogenous amine in mouse brain and parkinsonian CSF by using the gas chromatography-selected ion-monitoring method. The level of 1BnTIQ was very high in CSF of some parkinsonian patients compared with that of controls...
K M Regish et al.
The European journal of prosthodontics and restorative dentistry, 21(1), 44-48 (2013-05-21)
This study compares the internal fit and marginal adaptation of copy milled Zirconia copings with Nickel-Chromium (Ni-Cr) copings fabricated using a lost wax technique before and after ceramic veneering. A standardized metal master die simulating a prepared crown was fabricated...
D A Loeffler et al.
Journal of neural transmission. Parkinson's disease and dementia section, 9(1), 45-53 (1995-01-01)
Though depletion of CSF homovanillic acid (HVA) concentration has often been regarded as a direct indicator of dopamine (DA) deficiency in Parkinson's Disease (PD), CSF HVA is normal in mildly affected patients. To explore why, we measured DA and its...
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