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Showing 1-30 of 212 results for "433667" within Papers
Sang-Woon Lee et al.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons, 72(1), 53-60 (2013-12-18)
The objective of this study was to compare peri-implant bone formation among uncoated (UC), hydroxyapatite (HA), collagen plus HA (CH), and collagen, HA, plus bone morphogenetic protein-2 (BMP-2) implant groups. Implants in the UC group had acid-etched surfaces. The surface
Beatrice Bocca et al.
Annali dell'Istituto superiore di sanita, 41(2), 197-203 (2005-10-26)
The haematic concentration of 26 metals and the oxidative damage in 60 patients (20 males and 40 females) affected by Alzheimer's disease and 44 healthy individuals (33 males and 11 females) were compared. In patients, the following significant (p <
Judith S Angelstorf et al.
Environmental toxicology and chemistry, 33(10), 2288-2296 (2014-06-20)
The increasing use of engineered nanoparticles in industrial and consumer products leads to a release of the anthropogenic contaminants to the aquatic environment. To obtain a better understanding of the environmental effects of these particles, the nematode Caenorhabditis elegans was
Diatom silica-titania materials for photocatalytic air purification.
E Van Eynde et al.
Communications in agricultural and applied biological sciences, 78(1), 141-147 (2013-07-24)
S Agarwal et al.
The bone & joint journal, 95-B(12), 1640-1644 (2013-12-03)
Bone loss in the proximal tibia and distal femur is frequently encountered in revision knee replacement surgery. The various options for dealing with this depend on the extent of any bone loss. We present our results with the use of
Bijuan Zheng et al.
Journal of nanoscience and nanotechnology, 14(5), 3527-3531 (2014-04-17)
Pd-modified N-doped TiO2 nanoparticles were prepared by the sol-gel method. The X-ray diffraction (XRD) pattern indicated that the pure anatase TiO2 has been obtained. Transmission electron microscope (TEM) was used to observe the micro-morphology of the nanoparticles. The average size
Péter Banczerowski et al.
Journal of neurosurgery, 121(6), 1492-1496 (2014-09-27)
An enlarged, elongated, ectatic, and sclerotic aberration of the vertebrobasilar system is known as a megadolichoectatic basilar artery (BA) anomaly. The anomaly is often involved in the pathological process of trigeminal neuralgia by compressing and distorting the trigeminal nerve. First-line
Wei-Qiang Yu et al.
Journal of nanoscience and nanotechnology, 14(6), 4387-4393 (2014-04-18)
The TiO2 nanotubes by anodization have been extensively studied for medical implant and orthopedic applications because of enhancing bone development. In the present study, a new nano-foveolae structure verified by SEM and AFM was prepared by simulating the nanotubes exfoliation
Raed H Alrbata 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), 175-182 (2014-08-03)
The aim of this study was to determine the appropriate range of cortical bone thickness (CBT) for supporting an orthodontic microimplant. Analysis of an orthodontic microimplant subjected to a horizontal force of 2N was performed using a nonlinear finite element
Eun-Jung Park et al.
Toxicology letters, 230(1), 69-79 (2014-08-12)
In this study, we identified the toxic effects of sheet-type titania (TNS), which are being developed as a material for UV-blocking glass, comparing with P25, a benchmark control for titania, in MH-S cells, a mouse alveolar macrophage cell line. After
C A Keller et al.
Chest, 108(1), 277-280 (1995-07-01)
We present the case of a professional painter who developed pulmonary alveolar proteinosis (PAP) with severe respiratory failure. He required total bilateral pulmonary lavage on two separate occasions, 3 months apart. Quantitative analysis of particles found in lung tissues obtained
Y Miura
The Kurume medical journal, 47(4), 267-272 (2001-02-24)
Plasma beta-phenylethylamine (PEA) levels were determined in 27 patients with Parkinson's disease (PD) in order to evaluate its relation with the severity or clinical course of PD. The plasma PEA concentrations in PD patients were significantly lower (mean +/- SD
C Passariello et al.
European journal of paediatric dentistry : official journal of European Academy of Paediatric Dentistry, 14(3), 199-203 (2013-12-04)
To compare early bacterial adhesion and biofilm formation of common and uncommon periodontal pathogens on a variety of commercial brackets in vitro. In vitro adhesion and biofilm formation of 4 bacterial strains on 15 different commercial brackets, in standard culture
Gonçalo Vale et al.
Ecotoxicology and environmental safety, 109, 161-168 (2014-09-10)
The increasing and widespread applications of TiO2 engineered nanoparticles (nTiO2) led to the release of these materials into aquatic environments and consequently a change on the assessment of the environmental risk of trace metals. In this work, the role of
Norbert W Lutz et al.
PloS one, 2(7), e595-e595 (2007-07-06)
Multiple sclerosis (MS), an inflammatory disease of the central nervous system, manifests itself in numerous forms and stages. A number of brain metabolic alterations have been reported for MS patients vs. control subjects. However, metabolite profiles of cerebrospinal fluid (CSF)
Laura Ricci et al.
Journal of periodontology, 84(9), 1234-1242 (2012-12-05)
The aim of the present study is to perform a systematic review of the literature on the use of titanium grids for implant surgery before and simultaneously with implant placement and to assess the success rate of the procedure, as
Takahiro Ogawa
The International journal of oral & maxillofacial implants, 29(1), e95-102 (2014-01-24)
In the face of growing demands and challenges in implant therapy, implant surfaces with improved biologic capabilities are required. This review paper summarizes the findings of recent in vitro and in vivo studies related to ultraviolet (UV) photofunctionalization of titanium.
Alex T Kuvarega et al.
Journal of nanoscience and nanotechnology, 13(7), 5017-5027 (2013-08-02)
Nitrogen, osmium co-doped TiO2 photocatalysts were prepared by a modified sol-gel method using ammonia as the nitrogen source and osmium tetroxide as the source of osmium. The role of rutile phase OsO2 in enhancing the photocatalytic activity of rutile TiO2
Raidan Ba-Hattab et al.
BMC oral health, 13, 72-72 (2013-12-18)
Efforts to improve the performance of rotary NiTi instruments by enhancing the properties of NiTi alloy, or their manufacturing processes rather than changes in instrument geometries have been reported. The aim of this study was to compare in-vitro the shaping
V Calabrese et al.
Neurochemical research, 28(9), 1321-1328 (2003-08-27)
Recent studies suggest that NO and its reactive derivative peroxynitrite are implicated in the pathogenesis of multiple sclerosis (MS). Patients dying with MS demonstrate increased astrocytic inducible nitric oxide synthase activity, as well as increased levels of iNOS mRNA. Peroxynitrite
Jianye Song et al.
Journal of nanoscience and nanotechnology, 14(6), 4649-4654 (2014-04-18)
A single-source ZnTi-layered double hydroxide precursor was used to prepare single phase Zn2TiO4. This approach involves two steps: the calcination of a ZnTi-layered double hydroxide precursor and selective leaching zinc oxide from the resultant calcined products. The materials were characterized
Anna L Sander et al.
AJR. American journal of roentgenology, 203(1), 140-145 (2014-06-22)
The optimal treatment of intervertebral disk lesions accompanying thoracolumbar fractures remains controversial. To evaluate short- and medium-term progression of intervertebral disk lesions accompanying vertebral fractures, MRI scans obtained after trauma were compared with scans obtained at an average follow-up of
Florian Mallevre et al.
Environmental pollution (Barking, Essex : 1987), 195, 218-225 (2014-09-28)
Bacteria based ecotoxicology assessment of manufactured nanoparticles is largely restricted to Escherichia coli bioreporters in laboratory media. Here, toxicity effects of model OECD nanoparticles (Ag NM-300K, ZnO NM-110 and TiO2 NM-104) were assessed using the switch-off luminescent Pseudomonas putida BS566::luxCDABE
Jayakanth Ravichandran et al.
Nature materials, 13(2), 168-172 (2013-12-10)
Elementary particles such as electrons or photons are frequent subjects of wave-nature-driven investigations, unlike collective excitations such as phonons. The demonstration of wave-particle crossover, in terms of macroscopic properties, is crucial to the understanding and application of the wave behaviour
P A LeWitt et al.
Neurology, 42(11), 2111-2117 (1992-11-01)
We used two analytic methods (a multichannel coulometric electrode array with high-performance liquid chromatography, and gas chromatography-mass spectrophotometry) to measure CSF dopamine (DA) and its metabolites in mildly affected, unmedicated subjects with Parkinson's disease (PD). The mean (+/- SD) concentration
Mphilisi M Mahlambi et al.
Journal of nanoscience and nanotechnology, 13(7), 4934-4942 (2013-08-02)
Metal-doped anatase nanosized titania photocatalysts were successfully synthesized using a sol-gel process. Different amounts of the dopants (0.2, 0.4, 0.6, 0.8 and 1.0%) of the metals (Ag, Ni, Co and Pd) were utilized. The UV-Vis spectra (solid state diffuse reflectance
Raquel López Fernández et al.
Environmental technology, 35(13-16), 2068-2074 (2014-06-25)
This study focuses on the performance of a submerged membrane photocatalytic reactor for the removal of 17beta-oestradiol (E2) in the presence of humic acid (HA). In addition to the impact of operating parameters, such as membrane pore size, ultraviolet (UV)
Dental gypsum verification jig to verify implant positions: a clinical report.
Abdulmohsin Alhashim et al.
The Journal of oral implantology, 40(4), 495-499 (2014-08-12)
Rogerio B Kato et al.
Journal of cellular physiology, 229(11), 1690-1696 (2014-03-13)
The aim of this study was to investigate if chemically produced nanotopography on titanium (Ti) surface induces osteoblast differentiation of cultured human bone marrow mesenchymal stem cells (hMSCs) by regulating the expression of microRNAs (miRs). It was demonstrated that Ti
Shaoming Yang et al.
Journal of nanoscience and nanotechnology, 14(6), 4292-4296 (2014-04-18)
The structural and functional characterizations of titanium nitride (TiN) advanced ceramic microsprings (CMSs), with a coil diameter of several micrometers and synthesized by chemical vapor deposition (CVD) were investigated by microscopy techniques. The CMSs were sufficiently mechanically elastic for extension
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