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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....
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...
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...
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...
I Denry et al.
Journal of dental research, 93(12), 1235-1242 (2014-10-03)
Our goal is to give an overview of a selection of emerging ceramics and issues for dental or biomedical applications, with emphasis on specific challenges associated with full-contour zirconia ceramics, and a brief synopsis on new machinable glass-ceramics and ceramic-based...
A 21-year-old patient with a HER2-positive colorectal cancer.
Frederike Bensch et al.
Gastroenterology, 148(1), 20-21 (2014-12-03)
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...
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...
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...
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...
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...
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...
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...
Abnormal trace metals in man: zirconium.
H A Schroeder et al.
Journal of chronic diseases, 19(5), 573-586 (1966-05-01)
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...
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...
R Velázquez-Cayón et al.
Medicina oral, patologia oral y cirugia bucal, 17(2), e246-e250 (2011-12-07)
The increase of aesthetic demands, together with the successful outcome of current implants, has renewed interest in the search for new materials with enough mechanical properties and better aesthetic qualities than the materials customarily used in implanto-prosthetic rehabilitation. Among these...
Neil P Sheth et al.
Journal of surgical orthopaedic advances, 17(1), 17-26 (2008-02-21)
Total joint arthroplasty is being performed in younger, more active patients, which necessitates improved implant longevity and enhanced component performance. Over the past decade, there has been an increased focus on alternative bearing materials as a potential solution to these...
Coordinating radiometals of copper, gallium, indium, yttrium, and zirconium for PET and SPECT imaging of disease.
Thaddeus J Wadas et al.
Chemical reviews, 110(5), 2858-2902 (2010-04-27)
Thomas J Heyse et al.
Expert review of medical devices, 9(4), 409-421 (2012-08-22)
Polyethylene wear is a key contributor to long-term failure in total knee arthroplasty. Oxidized zirconium alloy was created as a bearing surface for total joint arthroplasty in an attempt to address this concern. Oxidized zirconium has shown considerable improvements over...
Mohsen Parvas et al.
Environmental technology, 35(9-12), 1140-1149 (2014-04-08)
Catalytic wet air oxidation (CWAO) of phenol was carried out under atmospheric pressure of oxygen at 160 degrees C in a stirred batch reactor over copper catalysts supported by CeO2-ZrO2. The copper with different loadings were impregnated over the composite...
Qiong-Wei Yu et al.
Journal of chromatography. A, 1365, 54-60 (2014-09-30)
As one of the most important types of post-translational modifications, reversible phosphorylation of proteins plays crucial roles in a large number of biological processes. However, owing to the relatively low abundance and dynamic nature of phosphorylation and the presence of...
Mikhail Kosiborod et al.
JAMA, 312(21), 2223-2233 (2014-11-18)
Hyperkalemia is a common electrolyte abnormality that may be difficult to manage because of a lack of effective therapies. Sodium zirconium cyclosilicate is a nonabsorbed cation exchanger that selectively binds potassium in the intestine. To evaluate the efficacy and safety...
Jonathan G Sham et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 55(12), 2032-2037 (2014-11-02)
Hepatocellular carcinoma (HCC) is an increasingly lethal malignancy for which management is critically dependent on accurate imaging. Glypican-3 (GPC3) is a cell surface receptor overexpressed in most HCCs and provides a unique target for molecular diagnostics. The use of monoclonal...
Joseph R Osborne et al.
The Journal of urology, 191(5), 1439-1445 (2013-10-19)
In this pilot study we explored the feasibility of (89)Zr labeled J591 monoclonal antibody positron emission tomography of localized prostate cancer. Before scheduled radical prostatectomy 11 patients were injected intravenously with (89)Zr-J591, followed 6 days later by whole body positron...
Biophysics: using sound to move cells.
Vivien Marx
Nature methods, 12(1), 41-44 (2014-12-31)
[An electrosurgical tool on the basis of nanostructured dioxide zirconium crystals for dissection and coagulation of biological tissues].
S V Belov et al.
Meditsinskaia tekhnika, (4)(4), 1-5 (2010-08-28)
Noriaki Nagai et al.
Toxicology, 319, 53-62 (2014-03-07)
Indomethacin (IMC) has been shown to reduce post-operative inflammation and to decrease intraocular irritation after cataract extraction and in cystoid macular edema; however, the clinical use of its most commonly used eye drops is limited due to topical side-effects that...
Yin Zhang et al.
Current radiopharmaceuticals, 4(2), 131-139 (2011-12-24)
Positron emission tomography (PET) imaging with radiolabeled monoclonal antibodies has always been a dynamic area in molecular imaging. With decay half-life (3.3 d) well matched to the circulation half-lives of antibodies (usually on the order of days), (89)Zr has been...
Jonathan G Sham et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 55(5), 799-804 (2014-03-15)
Hepatocellular carcinoma (HCC) is a devastating malignancy in which imperfect imaging plays a primary role in diagnosis. Glypican-3 (GPC3) is an HCC-specific cell surface proteoglycan overexpressed in most HCCs. This paper presents the use of (89)Zr-conjugated monoclonal antibody against GPC3...