搜索结果: 1-15 共查到“医学 Silica”相关记录15条 . 查询时间(0.095 秒)
Silica inflammation modulates lipoperoxide and thi-obarbituric acid reactive substances levels in liver and glucose concentration in blood of alloxan diabetic rats
Silica Granulomatous Inflammation Alloxan Diabetic Rats Liver Lipid Peroxidation Blood Glucose
2013/1/30
Inflammatory granulomatous diseases are cha- racterized by a high concentration of granu- lomas in tissue interstitium in which phagocytic cells that produce active oxygen and nitrogen metabolites are...
Mechanical properties of a resin-modified glass ionomer cement for luting: effect of adding spherical silica filler
Resin-modified glass-ionomer cement Silica filler Mechanical property
2010/11/26
This study investigated the effects of spherical silica filler (SSF) on the workability and mechanical properties of resin-modified glass ionomer cements for luting (RMGICL). Varying powder/liquid rat...
Determination the Level of Dust ond Free Silica in Air of Khaf Iron Stone Quarries
dust free silica X-ray diffraction (XRD) Khaf Iron stone quarries
2009/12/17
Background and Objectives: Silica is an inorganic material that found in the nature in various forms. The hazards of crystal of silica or α-quartz (free silica) is greater than other forms. Exposure t...
Humoral Immune System Alterations in Silica Exposed Workers
Silica Humoral immunity Stone-cutting Iran
2009/12/7
Background: Crystalline silica may act as an immune adjuvant to increase inflammation and antibody production. The highest exposures to silica are known to occur in the dusty trades industries su...
Effect of Thermocycling on Interfacial Gap-formation in Class V Cavities and Mechanical Properties of Spherical Silica Filler Addition to Resin-modified Glass Ionomer Restorations
Resin-modified glass ionomer cement Silanized spherical silica fillers Thermocycled condition
2009/9/15
The effects of thermocycling at 20,000 cycles and addition of silanized spherical silica filler (SF) on resin-modified glass ionomer cement (RMGIC) restorations were investigated. A RMGIC added with a...
Shear Bond Strengths of Four Resin Bonding Systems to Two Silica-based Machinable Ceramic Materials
Machinable ceramic Bonding system Shear bond strength
2009/9/15
The purpose of this study was to evaluate the bond strength between four bonding systems (GC Ceramic Primer and Linkmax HV (CP+LM), Clapearl Bonding Agent and Clapearl DC (CBA+CL), Clearfil Mega Bond ...
Effect of Spherical Silica Filler Addition on Immediate Interfacial Gap-formation in Class V Cavity and Mechanical Properties of Resin-modified Glass-ionomer Cement
Resin-modified glass-ionomer cement Silanized spherical silica fillers Immediate condition
2009/9/14
The aim of this study was to investigate how the addition of silanized spherical silica filler (SF) would influence the formation of summed, immediate interfacial gaps in Class V tooth cavities. Resin...
Ultrasonic cleaning of silica-coated zirconia influences bond strength between zirconia and resin luting material
Zirconia Silica Adhesion
2009/9/14
The purpose of this study was to evaluate how ultrasonic cleaning of silica-coated zirconia surfaces would influence the latter&prim;s bond strength to resin luting material. Forty zirconia specimens ...
Effect of pH and Addition of Salt on the Adsorption Behavior of Lysozyme on Gold, Silica, and Titania Surfaces Observed by Quartz Crystal Microbalance with Dissipation Monitoring
Lysozyme Adsorption QCM-D
2009/9/11
The adsorption behaviors of lysozyme on dentally related Au, SiO2, and TiO2 surfaces were investigated by a quartz crystal microbalance with dissipation monitoring (QCM-D) method. Frequency shifts ind...
Influence of Simplified Silica Coating Method on the Bonding Strength of Resin Cement to Dental Alloy
Silica coating Dental alloy Bonding strength
2009/9/11
This study evaluated the effectiveness of a simplified silica coating method (CoJet System) on the bonding strength of resin cements to dental alloy. Bonding strength of the specimens treated with met...
Chemical mechanical polishing of titanium with colloidal silica containing hydrogen peroxide — mirror polishing and surface properties
Chemical mechanical polishing Titanium XPS
2009/9/11
Chemical mechanical polishing (CMP) of cpTi (Ti) was carried out using two types of slurries, acidic and basic colloidal silica containing H2O2 up to 3 wt%, to obtain flat and mirror-polished surfaces...
Facile Synthesis of High-Magnetization γ-Fe2O3/Alginate/Silica Microspheres for Isolation of Plasma DNA
Alginate Magnetic microspheres Nucleic acid isolation Silica
2010/7/16
A novel process combining emulsification with sol–gel method is described to synthesize -
Fe2O3/alginate/silica microspheres. The synthesis procedure consists of two steps: (1) synthesis of magnetic...
Friction of Conventional and Silica-Insert Ceramic Brackets in Various Bracket-Wire Combinations
Friction Ceramic bracket
2008/11/3
Objective: To compare the level of friction resistance (FR) of conventional and silica-insert ceramic brackets using various bracket-wire combinations and angulations.Materials and Methods: Four types...
Oligomeric but not monomeric silica prevents aluminum absorption in humans
Oligomeric silica monomeric silica, orthosilicic acid silicon silicic acid silica aluminum absorption, bioavailability gastrointestinal uptake accelerator mass spectrometry
2016/6/3
Background: Soluble silica, a ubiquitous component of the diet,
may be the natural ligand for dietary aluminum and may prevent
its accumulation and toxicity in animals. However, previous
studies on...
Adsorption of Hydrophilic-Hydrophobic Block Copolymers on Silica from Aqueous Solutions
Hydrophilic-Hydrophobic Block Copolymers Silica Aqueous Solutions
2009/12/22
Adsorption of Hydrophilic-Hydrophobic Block Copolymers on Silica from Aqueous Solutions.