[PDF] Top 20 Mat. Res. vol.10 número1

... This issue of Materials Research contains 19 articles: 9 selected from regular submissions in the period 2005-2006, and 10 biomateri- als related papers carefully selected from hundreds presented in the 4 th ... See full document

... The PVA/PES hydrogels samples were immersed in distilled wa- ter at room temperature during several periods of time until 15 days. Aliquots of 10 mL from the immersing solution were withdrawn and treated with 0.65 ... See full document

... Samples, 9.5 mm in diameter and 6.0 mm in height, were produced with water atomized iron powder DC177 from Höganäs do Brasil Ltda. The powder was mixed with 0.6 wt. (%) of zinc stearate and compacted to a pressure of 600 ... See full document

... Backscattered electron images of polished sections were obtained and quantitative x ray analyses were performed in ITZ perpendicular lines. Each line consisted of 15 points, 4 in the aggregates and 11 in the paste, with ... See full document

... This study investigated the inluence of ethanol concentration on softening tests for cross-link density evaluation (microhardness) of dental composites. Specimens of Filtek Z100 (3M ESPE) were light-activated by standard ... See full document

... spectra were acquired using a spectral width of 100 kHz, a single pulse duration of 7.5 µs (π/2), a recycle delay of 30 seconds, and an acquisition time of 0.05 seconds, with 500 scans accumulated and referenced to ... See full document

... Over 45 millions waste tires are discarded in Brazil annually and there is a strong interest in developing alternative uses for them, especially due to economical and environmental appeal. The Brazilian road network ... See full document

... Weibull distribution of fracture toughness by indentation strength (IS) of the ZTA disks submitted to the three different mechanical surface treat- ments: a) grinding; b) sandblasting; [r] ... See full document

... Showing up that the storage tempera- ture does not exceed the glass transition temperature so, changes in macromolecular conformation such as collapse, crystallization that leads to [r] ... See full document

... Three polymers were involved in this study: 1) a low-viscosity carboxymethyl cellulose (CMC BV), with an 0.85 degree of sub- stitution (DS), 70,000 g/mol molecular weight (MW), 95% purity and Brookfield LVF viscosity of ... See full document

... appropriate amount of the starting sol was added to the PVA solution. To this resulting solution were added the surfactant, sodium laureate sulfate (LESS), and HF 10%v/v solution. The mixture was foamed by ... See full document

... The denaturation temperature was also determined for the bo- vine pericardium by a freeze-drying microscope (Linkam, England) equipped by a video camera and a computer to capture the shrinkage image. The equipment ... See full document

... Magnesium is potentially useful for orthopaedic and cardiovascular applications. However, the corrosion rate of this metal is so high that its degradation occurs before the end of the h[r] ... See full document

... The effect of sterilization by autoclaving, dry oven, and ethylene oxide treatment on a new biomaterial composed of octacalcium phos- phate, calcium deficient hydroxiapatite, and β -tr[r] ... See full document

... Oral microorganisms collected from the oral cavity were obtained by scraping the gingival area of buccal and lingual tooth surfaces and along the entire fissure of margin of restorations on occlusal surfaces of the ... See full document

... In Figure 2a is presented the FTIR spectrum of calcium phosphate powder used in the suspension deposited on the surface of alumina scaffold, that identified bands corresponding to the [r] ... See full document

... than 10 g/L of fibrinogen, the inclination of the curve rises fairly sharply in response to the formation of rouleaux, and the sedimentation of these rouleaux results in sharp drop in ... See full document

... clay lattice. We believe that this reaction may increase the density of Mg-OH and Si-OH groups on clay surface and thereby improve the organosilane immobilization, since this immobilization involves a reaction with the ... See full document

... The boron-doped diamond (BDD) thin films are found to be particularly attractive for some electrochemical uses due to their outstanding properties, which are significantly different from those of other conventional ... See full document

... synthesize 10 g of calcium phosphate a 40 mM Ca(OH) 2 sus- pension was ...of 10 °C per minute and maintained at 900 °C for two hours and other samples were submitted at 1100 °C temperature in the same ... See full document