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Ceramics (1):
Recent article
Ceramics
Acta Biomaterialia (7)10 2011
Abstract
Although Bioglass® has existed for nearly half a century its ability to trigger bone formation and tuneable degradability is vastly superior to other bioceramics, such as SiO(2)-CaO bioactive glasses. The sol-gel process of producing glass foams is well established for SiO(2)-CaO co...
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PMID: 21689791
PDF is available here.
PDF is available here.
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La Medicina del lavoro (102)4 2011
Abstract
When exposure measurements are available for occupational epidemiology studies, the cumulative exposure (the sum of the products of duration and exposure intensity at all jobs) is generally selected as the summary metric for chronic diseases. For silica exposures, a metric that weights each exposure...
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PMID: 21834271
PDF is available here.
PDF is available here.
Abstract
I collagen were observed on both types of coatings compared with Ti-6Al-4V alloy, possibly due to the Ca and Si released from the coatings. Results of this study point to the potential use of HT and SP coatings for orthopaedic applications....
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PMID: 21292725
PDF is available here.
PDF is available here.
Abstract
I collagen were observed on both types of coatings compared with Ti-6Al-4V alloy, possibly due to the Ca and Si released from the coatings. Results of this study point to the potential use of HT and SP coatings for orthopaedic applications....
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PMID: 21292725
PDF is available here.
PDF is available here.
Abstract
We retrospectively analysed 250 ceramic-on-ceramic hip replacements in 224 patients which had been implanted between April 2000 and December 2007. The mean age of the patients at operation was 44 years (14 to 83) and all the operations were performed using the same surgical technique at a single cen...
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PMID: 21768622
PDF is available here.
PDF is available here.
Abstract
Biomaterials used in regenerative medicine are often designed to act as 3D porous templates (scaffolds) able to support and promote the growth and repair of natural tissues. Some types of glasses have a great potential for making bone tissue engineering scaffolds, as they can bond to...
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PMID: 21465645
PDF is available here.
PDF is available here.
Abstract
l Orthodontie Française (82)1 2011
Abstract
Biomedical Materials (6)1 2011
Abstract
The purpose of this study was to investigate the role of pore size on tissue ingrowth and neovascularization in porous bioceramics under the accurate control of the pore parameters. For that purpose, β-tricalcium phosphate (β-TCP) cylinders with four different macropore sizes (300-...
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PMID: 21206002
PDF is available here.
PDF is available here.
Abstract
Osteonecrosis of the femoral head is a debilitating and painful orthopedic condition characterized by joint collapse. Salvage of the femoral head is highly desirable to preserve the contour and mechanical properties and prevent joint collapse. This study aimed to develop a new tissue...
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PMID: 21210512
PDF is available here.
PDF is available here.
Abstract
Poly(lactide-co-glycolide) (PLGA) beads have been widely studied as a potential drug/protein carrier. The main shortcomings of PLGA beads are that they lack bioactivity and controllable drug-delivery ability, and their acidic degradation by-products can lead to pH decrease in the vic...
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PMID: 21210517
PDF is available here.
PDF is available here.
Abstract
Abstract
Abstract
Saddle nose and septal perforations are among the most surgically challenging situations in nasal reconstruction. They require a significant volume of autologous graft and a complex surgical procedure. The aim of this study was to evaluate the biocompatibility of the biphasic calcium phosphate impla...
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PMID: 21200205
PDF is available here.
PDF is available here.
Abstract
This paper reports the design, fabrication, and characterization of a 1-3 composite annular-array transducer. An interdigital bonded (IB) 1-3 composite was prepared using two IB operations on a fine-grain piezoelectric ceramic. The final composite had 19-μm-wide posts separated by 6...
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PMID: 21244988
PDF is available here.
PDF is available here.
Abstract
Lead-free K(0.5)Na(0.5)NbO(3)/Bi(0.5)Na(0.5)TiO(3) (KNN/ BNT) films have been fabricated by a composite sol-gel technique. Crystalline KNN fine powder was dispersed in the BNT precursor solution to form a composite slurry which was then spin-coated onto a platinum-buffered Si substra...
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PMID: 21244994
PDF is available here.
PDF is available here.
Abstract
Waste Management (31)1 2011
Abstract
Recycling of secondary raw materials is a priority of waste handling in the countries of the European community. A potentially important secondary raw material is the product of the thermal transformation of cement-asbestos, produced by prolonged annealing at 1200-1300 °C. The product is chemically...
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PMID: 20708915
PDF is available here.
PDF is available here.
Abstract
Ceramic seeds were synthesized by the sol-gel technique with Si:Sm:Ca and Si:Ho:Ca. One set of seeds was irradiated in the TRIGA type nuclear reactor IPR-R1 and submitted to instrumental neutron activation analysis (INAA), K(0) method, to determine mass percentage concentration of natural samarium a...
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PMID: 20685128
PDF is available here.
PDF is available here.
Acta Biomaterialia (6)11 2010
Abstract
The effect of polymer infiltration on the compressive strength of β-tricalcium phosphate (TCP) scaffolds fabricated by robocasting (direct write assembly) is analyzed in this work. Porous structures consisting of a tetragonal three-dimensional mesh of interpenetrating rods were fabr...
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PMID: 20566307
PDF is available here.
PDF is available here.
Journal of Dairy Science (93)10 2010
Abstract
Most current research has focused on using ceramic microfiltration (MF) membranes for micellar casein concentrate production, but little research has focused on the use of polymeric spiral-wound (SW) MF membranes. A method for the production of a serum protein (SP)-reduced micellar casein concentrat...
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PMID: 20854984
PDF is available here.
PDF is available here.
Zhongguo Xiufu Chongjian Waike Zazhi/Chinese Journal of Reparative and Reconstructive Surgery (24)10 2010
[Efficacy of ceramic on ceramic hip prosthesis in young patients undergoing total hip arthroplasty].
Abstract
To investigate the methodology and efficacy evaluation of ceramic on ceramic hip prosthesis in total hip arthroplasty for young patients.
The clinical data from 65 patients (75 hips) who received ceramic on ceramic hip prosthesis for total hip arthroplasty between February 2004 and September 2006, i...
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PMID: 21046803
PDF is available here.
PDF is available here.
Journal of Dentistry (38)10 2010
Abstract
The aims of the study were to develop and test multi-phase glaze coatings for zirconia restorations, so that the surface could be etched and adhesively bonded.
Zirconia disc specimens (n=125, 16 mm x 1 mm) were cut from cylinders of Y-TZP (yttria-stabilized tetragonal zirconia polycrystals) ZS-Blank...
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PMID: 20600558
PDF is available here.
PDF is available here.
Abstract
To evaluate the effect of gasiform ozone on the repair strength of ormocer-based and silorane-based composites.
160 cavities were created in methacrylate cylinders. Half of the cavities were filled with a silorane-based composite, whereas the other half was filled with an ormocer-based composite. Af...
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PMID: 21207792
PDF is available here.
PDF is available here.
Abstract
This work deals with the fabrication and characterization of nanostructured forsterite bulk. This material may have better biocompatibility and mechanical properties than coarse grain forsterite for the development of bone tissue engineering materials. Nanostructured forsterite bulks...
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PMID: 20696418
PDF is available here.
PDF is available here.
Journal of Arthroplasty (25)6 Suppl 2010
Abstract
Squeaking is a complication that may occur after ceramic-on-ceramic total hip arthroplasty (THA) that can be intolerable enough for some patients to seek revision THA. This prospective case series of 11 hips is the first to report on the results of these patients. All patients underwent isolated hea...
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PMID: 20637562
PDF is available here.
PDF is available here.
Acta Biomaterialia (6)9 2010
Abstract
Thermally induced phase separation (TIPS) has proven to be a suitable method for the preparation of porous structures for tissue engineering applications, and particular attention has been paid to increasing the pore size without the use of possible toxic surfactants. Within this con...
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PMID: 20350622
PDF is available here.
PDF is available here.
Abstract
We have done a comparative evaluation of the structural features of the HAp coatings, prepared by using simulated body fluid (SBF) at 25 degrees C for various time periods, on a nonporous metal substrate titanium-aluminium-vanadium (Ti-6Al-4V) alloy and a bioinert ceramic substrate alpha-alumina (al...
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PMID: 20730928
PDF is available here.
PDF is available here.
Journal of Royal Society Interface (7)Suppl_5 2010
Abstract
Electrophoretic deposition (EPD) is attracting increasing attention as an effective technique for the processing of biomaterials, specifically bioactive coatings and biomedical nanostructures. The well-known advantages of EPD for the production of a wide range of microstructures and...
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PMID: 20504802
PDF is available here.
PDF is available here.
Abstract
We have developed a robust technique to fabricate monodispersed solid and porous ceramic particles and capsules from single and double emulsion drops composed of silsesquioxane preceramic polymer. A microcapillary microfluidic device was used to generate the monodispersed drops. In this device, two...
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PMID: 20484226
PDF is available here.
PDF is available here.
Dental Materials Journal (29)4 2010
Abstract
The effects of desensitizer, disinfectant, saliva, blood, and hydrogen peroxide on the tensile bond strength between adhesive and ceramic as well as between adhesive and dentin were examined. Sixty 7x3 mm pressed ceramic discs of IPS e.max were fabricated and randomly assigned to six groups of diffe...
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PMID: 20657150
PDF is available here.
PDF is available here.
Abstract
At 2 weeks, histologic evaluation showed woven bone formation throughout the perimeter of both implant surfaces. However, replacement of woven bone by lamellar bone was only observed around the test surface at 4 weeks in vivo. No significant differences in bone-to-implant contact were observed for t...
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PMID: 20542367
PDF is available here.
PDF is available here.
Abstract
A new solid support membrane aerated biofilm reactor was designed for the synthesis of enantiopure (S)-styrene oxide utilizing Pseudomonas sp. strain VLB120DeltaC growing in a biofilm as biocatalyst. In analogy to traditional packed bed systems, maximizing the volumetric oxygen mass...
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PMID: 20229513
PDF is available here.
PDF is available here.
Abstract
Hip endoprosthesis systems are analyzed with respect to their susceptibility to self-excited vibrations and sound or noise generation. Experimental studies reveal that certain configurations can become unstable causing exponentially growing regular high-frequency oscillations that asymptotically app...
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PMID: 20236852
PDF is available here.
PDF is available here.
Abstract
Mean American Orthopaedic Foot and Ankle Society (AOFAS) Hallux score increased from 56 to 72 (p < 0.01) and mean satisfaction score was 7.6 (scale 1-10). Sixty-seven percent reported minimal or no pain. Five implants have been removed (8%), four because of pain associated with implant loosening and...
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PMID: 20663425
PDF is available here.
PDF is available here.
Abstract
We review the currently available bone graft and graft substitutes for the novel therapeutic approaches in clinical setting of orthopaedic surgery....
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PMID: 20693585
PDF is available here.
PDF is available here.
Abstract
Silica-calcium phosphate nanocomposite (SCPC) is a bioactive ceramic characterized by superior bone regenerative capacity and resorbability when compared to traditional bioactive ceramics. The aim of the present study is to evaluate the effect of processing parameters on the microstructure and mecha...
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PMID: 20379765
PDF is available here.
PDF is available here.
Abstract
In our earlier work, a promising new approach of fly ash utilization as converting it into a high infrared radiance glass-ceramic material was proposed. In this paper, pure reagents glass-ceramics were synthesized simulating the previously obtained high infrared radiance fly ash glass-ceramics, and...
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PMID: 20469846
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
The few reuse and large stockpile of iron ore tailings (IOT) led to a series of social and environmental problems. This study investigated the possibility of using the IOT as one of starting materials to prepare lightweight ceramisite (LWC) by a high temperature sintering process. Coal fly ash (CFA)...
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PMID: 20227178
PDF is available here.
PDF is available here.
Abstract
Light curing after inlay insertion improved marginal adaptation on the occlusal interface between LC and enamel significantly, regardless of the LC's curing mode. Separate light polymerization of XP Bond did not result in superior marginal quality. Investigation of the interface between LC and proxi...
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PMID: 20157661
PDF is available here.
PDF is available here.
Journal of Trauma (68)6 2010
Abstract
The calcium deposits and differentiation markers studied have demonstrated that shock waves increase osteoblast migration and penetration into scaffolds. CLINICAL RELEVANCE: This study may provide an important starting point for the introduction of shock waves to boost bone formation through osteobl...
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PMID: 20234329
PDF is available here.
PDF is available here.
Abstract
Surgical interference screws and suture anchors for attaching soft tissue, such as ligaments and tendons, to bone are routinely used in arthroscopic surgery and sports medicine. Interference screw fixation provides a press fit between bone, graft/tendon, and screw and is frequently used to attach re...
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PMID: 20511042
PDF is available here.
PDF is available here.
Abstract
This study examines the possibility for enhancing the use of stone cutting sludge waste in the production of building bricks and terrazzo tiles, which would reduce both the environmental impact and the production costs. Stone cutting wastes in the form of sludge is currently generated at several fac...
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PMID: 19837706
PDF is available here.
PDF is available here.
Biomaterials (31)18 2010
Abstract
We aimed to compare mandibular reconstruction with prefabricated, vascularized tissue-engineered bone flaps with rhBMP-2 and rhBMP-2 applied in situ in primates (Rhesus monkey). We also compared the use of the carriers demineralized freeze-dried bone allograft (DFDBA) and coralline hydroxyapatite (C...
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PMID: 20346504
PDF is available here.
PDF is available here.
Nanotechnology (21)20 2010
Abstract
A versatile approach for integrating two apparently conflicting physical properties, high porosity and high mechanical strength, in polycrystalline bulks is established and demonstrated for the case of alumina ceramics. Macroporous alumina nanoceramics are synthesized by stimulating coalescence-medi...
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PMID: 20418610
PDF is available here.
PDF is available here.
Analyst (Cambridge UK) (135)5 2010
Abstract
We present a microchip capillary electrophoresis (CE) device build-up in low temperature co-fired ceramics (LTCC) multilayer technology for the analysis of major inorganic ions in water samples in less than 80 s. Contactless conductivity measurement is employed as a robust alternative to direct-cont...
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PMID: 20419244
PDF is available here.
PDF is available here.
Abstract
Torque to interface fracture was significantly greater for the PSCaP group than for other groups (P < .001). Histomorphologic analysis showed woven bone formation around all implant surfaces at 3 weeks, and its replacement by lamellar bone at 5 weeks. Time in vivo did not affect torque measures. CON...
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PMID: 20416517
PDF is available here.
PDF is available here.
Abstract
The clinical outcomes associated with the use of BoneSave in spinal fusion are comparable to those available in the literature for more conventional techniques. The fusion rate was not significantly lower....
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PMID: 19629506
PDF is available here.
PDF is available here.
Abstract
To select the best available packing material for malodorous organic gases such as toluene and benzene, biofilter performance was compared in biofilters employed different packing materials including porous ceramic (celite), Jeju scoria (lava), a mixture of granular activated carbon (GAC) and celite...
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PMID: 21047004
PDF is available here.
PDF is available here.
Inhalation Toxicology (22)6 2010
Abstract
This paper provides a review of the relevant literature on refractory ceramic fibers (RCFs), summarizing relevant data and information on the manufacture, processing, applications, potential occupational exposure, toxicology, epidemiology, risk analysis, and risk management. RCFs are amorphous fiber...
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PMID: 20388033
PDF is available here.
PDF is available here.
Abstract
Cellular viability in all groups was higher at 72 hours than at 24 hours. The final means in the bracket groups did not show significant differences compared with the control group. NO production was significantly greater in all groups at the final time than at the initial time. However, the bracket...
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PMID: 20451786
PDF is available here.
PDF is available here.
Biomaterials (31)13 2010
Abstract
We set out to investigate what effects blending silk with MBG had on the physiochemical, drug-delivery and biological properties of MBG scaffolds with a view to bone tissue engineering applications. Transmission electron microscopy (TEM), scanning electron microscopy (SEM) and Fourier transform infr...
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PMID: 20122721
PDF is available here.
PDF is available here.
Orthopedics (33)5 2010
Abstract
Ceramic liner fractures are rare after ceramic-on-ceramic THA. This article describes a case of an early ceramic liner fracture caused by impingement with a tilted acetabular screw head 2 months after cementless ceramic-on-ceramic THA. A 59-year-old man underwent primary THA for avascular necrosis o...
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PMID: 20506940
PDF is available here.
PDF is available here.
Abstract
Bone substitute materials can induce bone formation when combined with mesenchymal stem cells (MSC). The aim of the current study was to examine in vivo ectopic bone formation with MSC on tricalcium phosphate (TCP) ceramics. Osteoblasts isolated from bone marrow stromal cells (BMSCs)...
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PMID: 19582839
PDF is available here.
PDF is available here.
Abstract
Our results indicate that the high strength non-oxide ceramics are material candidates in the future especially for highly loaded, thin-walled implants like ceramic resurfacing hip prostheses....
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PMID: 19484770
PDF is available here.
PDF is available here.
Abstract
Within the limits of this study it is possible to state that bioactive ceramic coatings of both thicknesses were biocompatible and osteoconductive. However, the early bone response was favored by the presence of the thicker PSCaP coating....
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PMID: 20367097
PDF is available here.
PDF is available here.
Journal of Arthroplasty (25)3 2010
Abstract
This prospective randomized study aims to compare the outcome between an alumina ceramic-on-ceramic (CC) articulation with a ceramic on ultra-high-molecular-weight polyethylene articulation (CP). Fifty-six hips in 55 patients with mean age 42.2 (range, 19-56) each received uncemented components, a 2...
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PMID: 19195824
PDF is available here.
PDF is available here.
Journal of Arthroplasty (25)3 2010
Abstract
We have followed 8 patients who sustained ceramic head fractures and were subsequently revised to a metal-on-polyethylene articulation. There were no revisions for osteolysis or aseptic loosening at a mean follow-up of 10.5 years. The yearly wear rates of each of 5 of these THAs after revision were...
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PMID: 20347713
PDF is available here.
PDF is available here.
Abstract
Polymer-derived ceramic fibers with aligned multiwalled carbon nanotubes (MWCNTs) are fabricated through the electrospinning of polyaluminasilazane solutions with well-dispersed MWCNTs followed by pyrolysis. Poly(3-hexylthiophene)-b-poly (poly (ethylene glycol) methyl ether acrylate) (P3HT-b-PPEGA),...
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PMID: 20423134
PDF is available here.
PDF is available here.
Abstract
A 4-(2-pyridylazo)-resorcinol (PAR)-modified carbon ceramic electrode (CCE) prepared by the sol-gel technique has been reported for the first time in this paper. By immersing the CCE in aqueous solution of PAR (0.001molL(-1)), after a short period of time, a thin film of PAR was rapidly formed on th...
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PMID: 20152418
PDF is available here.
PDF is available here.