Disease relevance of SILICON CARBIDE

• SUBJECTS AND METHODS: We designed a randomized study with long-term follow-up to compare primary angioplasty with angioplasty accompanied by implantation of a silicon carbide-coated stent in patients within 24 hours after the onset of acute myocardial infarction [1].
• Pathology of silicon carbide pneumoconiosis [2].
• The toxicity, in vitro, of silicon carbide whiskers [3].
• Induction of mesothelioma after intrapleural inoculation of F344 rats with silicon carbide whiskers or continuous ceramic filaments [4].
• Dentin surfaces were ground with 600 grit silicon carbide (SiC) abrasive papers to produce a standardized smear layer [5].

High impact information on SILICON CARBIDE

• The linear reaction kinetics allows transformation to any depth, so that the whole silicon carbide sample can be converted to carbon [6].
• Wounding mouse skin, either by multiple scalpel incisions or by stripping with silicon carbide paper, led to a marked induction of ornithine decarboxylase activity [7].
• On the basis of inhalation studies, three fibres were designated as being carcinogenic-amosite asbestos, silicon carbide and refractory ceramic fibre 1 (RCF1)-or non-carcinogenic-man-made vitreous fibre (MMVF10), Code 100/475 glass fibre, and RCF4 [8].
• Assays were quantified and corrected for hematocrit by using a battery-powered colorimeter with a silicon carbide (blue) light-emitting-diode source [9].
• The amount of TNF produced by macrophages in vitro depended on the fiber type, with the man-made vitreous fibers, and refractory ceramic fibers being least stimulatory and silicon carbide (SiC) whiskers providing the greatest stimulation [10].

Chemical compound and disease context of SILICON CARBIDE

• The objectives of this work were to investigate the toxicity of silicon carbide whiskers and powders and silicon nitride whiskers and powders and to compare their toxicity with the toxicity of crocidolite [11].

Biological context of SILICON CARBIDE

• Silicon-carbide coated coronary stents have low platelet and leukocyte adhesion during platelet activation [12].
• Nuclear transformation of intact (walled) cells of the green alga Chlamydomonas reinhardtii was achieved by agitating the cells in the presence of plasmid DNA and silicon carbide (SiC) whiskers [13].
• Relevant differences in pathogenicity of nuisance dusts; model investigations on samples of silicon carbide dusts [14].
• Evaluation of occupational exposure to mixed dusts and polycyclic aromatic hydrocarbons in silicon carbide plants [15].
• A clinical study of 191 workers in the silicon carbide production industry was carried out in order to determine the prevalence of respiratory symptoms (wheezing, dyspnoea and breathlessness after exercise) [16].

Anatomical context of SILICON CARBIDE

• The exposed dentin in human molars was abraded with 600-grit silicon carbide sandpaper [17].
• The objectives of this study were to compare the short- and long-term clinical and angiographic outcomes of conventional balloon angioplasty versus elective silicon carbide-coated stent implantation in de novo lesions in small coronary arteries (<3.0 mm) [18].
• The cytocompatibility of two coating materials, amorphous alumina and silicon carbide deposited by radio-frequency sputtering, was studied using alveolar bone osteoblasts and gingival fibroblasts from human healthy tissues [19].
• Human monocytes stimulation by particles of hydroxyapatite, silicon carbide and diamond: in vitro studies of new prosthesis coatings [20].
• Primary rat bone marrow cells were cultured for 2 weeks in polystyrene dishes whose surfaces had been roughened using 600- or 320-grit silicon carbide paper [21].

Associations of SILICON CARBIDE with other chemical compounds

• Primary rat bone marrow cells were cultured for periods of 8 d on hydroxyapatite discs produced by sintering compressed powder at 1130 degrees C. The disc surfaces were roughened using silicon carbide paper to create three groups of samples (n = 10) of differing surface topography [22].
• Cytocompatibility of two coating materials, amorphous alumina and silicon carbide, using human differentiated cell cultures [19].
• Flat occlusal superficial dentin surfaces from extracted human third molars were finished with wet 600-grit silicon-carbide paper and bonded with one of the adhesives [23].
• Local structure of gallium ions implanted in silicon carbide has been investigated using extended X-ray absorption fine structure on the Ga K-edge [24].
• Major findings are given from our recent experimental study of the field electron emission characteristics of carbon nanotubes, copper sulfide and silicon carbide nanorods [25].

Gene context of SILICON CARBIDE

• On stimulation of the lungs with an inert dust (silicon carbide), the AM count in the BAL and the lung was only slightly increased 8 weeks after intratracheal instillation [26].
• Western immunoblotting also indicated lesser amounts of IgG, fibrinogen, and fibronectin on Al2O3 and SiC than on PE and PVC [27].
• Deformation of microporous activated carbon adsorbent ACC (adsorbent on the basis of silicon carbide) upon CO(2) adsorption has been studied [28].
• The smoothest surface for Aspa was obtained with a silicon carbide disk [29].
• Gene expression of surfactant protein-A and thyroid transcription factor-1 in lungs of rats exposed to silicon-carbide whisker in vivo [30].

Analytical, diagnostic and therapeutic context of SILICON CARBIDE

• We have examined amorphous structures of silicon carbide (SiC) using both transmission electron microscopy and a molecular-dynamics approach [31].
• Shock-recovery experiments have been conducted on 6H polytype silicon carbide to 135 GPa and post-shock samples have been analyzed by Raman spectroscopy, x-ray diffraction, and electron microscopy [32].
• Cohort study of silicon carbide production workers [33].
• Results were in the expected direction, but the power of the study was low, because of small sample size and use of cumulative total dust as the exposure variable, which may be a poor indicator of lung irritants and other potential carcinogens in this industry, notably silicon carbide ceramic fibers [33].
• Transfer and integration of the beta-glucuronidase gene was also affected by the type of inoculum when suitable embryogenic cell cultures were transformed using silicon carbide whiskers and high velocity microprojectiles [34].

References