显示 1-30 共 155 条结果 关于 "

643025

"
Zonghua Wang et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 3931-3934 (2013-08-06)
A zirconia/multi-walled carbon nanotube (ZrO2/MWCNT) mesoporous composite was fabricated via a simple method using a hydrothermal process with the aid of the cationic surfactant cetyltrimethylammonium bromide (CTAB). Transmission electron microscopy (TEM), N2 adsorption-desorption, Fourier transform infrared spectroscopy (FT-IR) and X-ray...
Masayuki Kanki et al.
Toxicology, 324, 158-168 (2014-05-28)
Despite increased focus in recent years on urinary microRNA (miRNA) biomarkers in patients with diabetes and chronic kidney diseases, few studies have explored urinary miRNA markers in drug-induced nephrotoxicity. Here, we attempted to identify urinary miRNA markers suitable for use...
Richard Zimmermann et al.
Texas dental journal, 130(10), 1039-1044 (2013-12-21)
From diagnosis and treatment planning to the materials being used, technology is changing dentistry. New materials are providing dentists greater options for treatment, while technology is streamlining the workflow in the office and dental laboratory. Traditionally the creation of a...
Use of high translucency zirconia in the aesthetic zone.
Robert G Ritter
Dentistry today, 32(9), 116-116 (2013-10-25)
Chika Kasai et al.
Oncology reports, 35(1), 325-333 (2015-11-10)
Colorectal cancer (CRC) is the third leading cause of cancer-related deaths in Japan. The etiology of CRC has been linked to numerous factors including genetic mutation, diet, life style, inflammation, and recently, the gut microbiota. However, CRC-associated gut microbiota is...
Shohei Sakata et al.
Journal of pharmacological sciences, 127(1), 103-108 (2015-02-24)
Diminished insulin sensitivity in the peripheral tissues and failure of pancreatic beta cells to secrete insulin are known major determinants of type 2 diabetes mellitus. JTT-130, an intestine-specific microsomal transfer protein inhibitor, has been shown to suppress high fat-induced obesity...
Arun Kumar Sharma et al.
Microbiology (Reading, England), 161(6), 1271-1281 (2015-04-03)
The resuscitation-promoting factors of Mycobacterium tuberculosis are hydrolytic enzymes, which are required for resuscitation of dormant cells. RpfB, a peptidoglycan remodelling enzyme similar to the lytic transglycosylase of Escherichia coli, is required for reactivation of M. tuberculosis from chronic infection...
Vincent Bielen et al.
The journal of adhesive dentistry, 17(3), 235-242 (2015-06-27)
To evaluate the effect of different mechanical pre-treatments on the bond durability to dental zirconia. Fully sintered IPS e.max ZirCAD (Ivoclar Vivadent) blocks were randomly assigned to one of 4 groups: (1) kept as-sintered (control), (2) sandblasted with 50-μm Al₂O₃(Danville)...
Ryosuke Fushiki et al.
The journal of adhesive dentistry, 17(3), 273-281 (2015-07-15)
This study evaluated the long-term shear bond strength between an indirect composite material and a zirconia framework coated with silica-based ceramics, taking the effect of different primers into account. A total of 165 airborne-particle abraded zirconia disks were subjected to...
Bum Hwi Cho et al.
Journal of nanoscience and nanotechnology, 13(11), 7625-7630 (2013-11-20)
ZrO2 nanoparticles were synthesized by combining a solution containing zinconyl chloride in distilled water with a NH4OH solution under microwave irradiation. Graphene and ZrO2 nanocomposites were synthesized in an electric furnace at 700 degrees C for 2 hours. The heated...
Francesco Mintrone et al.
The European journal of esthetic dentistry : official journal of the European Academy of Esthetic Dentistry, 8(3), 398-412 (2013-08-21)
Specialist literature shows that the repeated disconnection of the transmucosal components can generate tissue recession due to the alteration of the delicate environment created between the abutment and surrounding soft tissue. This article will analyze two different techniques of creating...
K E Roberts et al.
Scientific reports, 5, 10982-10982 (2015-07-01)
Multiple mating (and insemination) by females with different males, polyandry, is widespread across animals, due to material and/or genetic benefits for females. It reaches particularly high levels in some social insects, in which queens can produce significantly fitter colonies by...
Xiaorong Liang et al.
Bioanalysis, 6(11), 1445-1457 (2014-07-22)
NAD(+) is an endogenous analyte and is unstable during blood sample collection, both of which present obstacles for quantitation. Moreover, current procedures for NAD(+) sample collection require onsite treatment with strong acid to stabilize the NAD(+) in mouse blood cells....
Michael Kyriakides et al.
Toxicological sciences : an official journal of the Society of Toxicology, 142(1), 105-116 (2014-08-26)
Adverse drug reactions (ADRs) represent a significant clinical challenge with respect to patient morbidity and mortality. We investigated the hepatotoxicity and systems level metabolic phenotype of methotrexate (MTX) in the context of a prevalent liver disease; non-alcoholic steatohepatitis (NASH). A...
Nicolas Villard et al.
Clinical oral implants research, 26(3), 332-341 (2014-01-24)
The aim of the present study was to evaluate the effect of novel silane system coatings on zirconia and titanium implant surfaces and the attachment of the fungal pathogen Candida albicans. Titanium and zirconia specimens were silica-coated and silanized either...
Reham B Osman et al.
The International journal of prosthodontics, 26(3), 277-281 (2013-04-30)
Limited clinical research identifies prosthodontic perspectives of novel designs for zirconia implants supporting overdentures. Four pilot study participants were selected before a planned randomized clinical trial on zirconia implants supporting overdentures. Novel designs for maxillary four-implant overdentures (quadrilateral design) and...
Arihiro Shiozaki et al.
PloS one, 9(11), e111374-e111374 (2014-11-06)
Preterm birth is a leading cause of perinatal morbidity and mortality. Studies using a cultivation method or molecular identification have shown that bacterial vaginosis is one of the risk factors for preterm birth. However, an association between preterm birth and...
Taiseer A Sulaiman et al.
Dental materials journal, 34(5), 605-610 (2015-10-07)
The effect of staining and vacuum sintering on optical properties and the bi-axial flexural strength of partially and fully stabilized monolithic zirconia (PSZ, FSZ) were evaluated. Disc-shaped specimens divided into three subgroups (n=15): non-stained, stained and non-stained with vacuum sintering....
Jae Chun Lee et al.
Journal of nanoscience and nanotechnology, 13(11), 7561-7567 (2013-11-20)
Thin ZrO2/Al2O3 films that consisted of alternating monoclinic ZrO2 nanolayers and amorphous Al2O3 nanolayers were deposited on a tool steel substrate using Zr and Al cathodes in a cathodic arc plasma deposition system, and then oxidized at 600-900 degrees C...
F Geramipanah et al.
The European journal of prosthodontics and restorative dentistry, 21(1), 5-8 (2013-05-21)
The aim of the present study was to evaluate the effect of media with different pH on shear and strength of resin cements to zirconia-based ceramics. Sixty rectangularly shaped specimens made of a zirconia based ceramic (Cercon, Dentsply) were prepared...
Xiaolei Zhang et al.
Bioresource technology, 192, 718-725 (2015-06-24)
Microbial oil is accumulated by microorganisms as stored energy during cultivation, and will be degraded to generate energy when they are not able to obtain external energy source. As the lipid is the desired production, the in situ degradation of...
Christoph-Martin Geilfus et al.
Plant physiology and biochemistry : PPB, 92, 19-29 (2015-04-23)
Salt stress impairs global agricultural crop production by reducing vegetative growth and yield. Despite this importance, a number of gaps exist in our knowledge about very early metabolic responses that ensue minutes after plants experience salt stress. Surprisingly, this early...
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...
Han-Sung Joo et al.
The journal of advanced prosthodontics, 7(3), 183-190 (2015-07-04)
This study evaluated the fracture load of customized zirconia abutments with titanium insert according to preparation depths, with or without 5-year artificial aging. Thirty-six identical lithium disilicate crowns (IPS e.max press) were fabricated to replace a maxillary right central incisor...
Muniyandi Rajkumar et al.
Colloids and surfaces. B, Biointerfaces, 110, 242-247 (2013-06-05)
Detection of ractopamine and salbutamol has been developed by employing the facile synthesis of poly taurine/zirconia nanoparticles (ZrO2) modified film glassy carbon electrode. The poly taurine/ZrO2 nanoparticles were directly utilized for the detection of ractopamine and salbutamol using linear sweep...
Megan A Jamiolkowski et al.
Journal of biomedical materials research. Part A, 103(4), 1303-1311 (2014-04-23)
Although the thrombogenic nature of the surfaces of cardiovascular devices is an important aspect of blood biocompatibility, few studies have examined platelet deposition onto opaque materials used for these devices in real time. This is particularly true for the metallic...
Dong Hwan Kim et al.
Journal of nanoscience and nanotechnology, 13(11), 7572-7576 (2013-11-20)
We investigated the emission property of SrZrO3 nano-crystals (NCs) with the doping of rare earth (RE) ions, Eu3+ and Tm3+, by using 325 nm photo-excitation. SrZrO3 NCs show a sizable violet-blue emission, while the Eu3+ and Tm3+ ions are well...
Takeshi Matsumoto et al.
Laboratory investigation; a journal of technical methods and pathology, 93(9), 1054-1063 (2013-07-10)
Quantitative three-dimensional (3D) imaging of angiogenesis during bone repair remains an experimental challenge. We developed a novel contrast agent containing 0.07- to 0.1-μm particles of zirconium dioxide (ZrCA) and established subtraction μCT using synchrotron radiation (sSRCT) for quantitative imaging of...
Carlo Monaco et al.
The International journal of prosthodontics, 26(5), 435-442 (2013-09-03)
The aim of this retrospective cohort study was to gather the outcomes of zirconia single crowns made by 16 members of the Italian Academy of Prosthetic Dentistry (AIOP) over a time period of up to 5 years. A total of...
Seok Jong Hong et al.
Cytotherapy, 16(12), 1656-1665 (2014-09-19)
Adipocytes are metabolically active cells and have endocrine functions, such as cytokine secretion. Notably, adipocytes are found underneath skin and are thought to be involved in the body's response to ischemia-reperfusion (I-R). I-R injury is an important factor in the...