نتایج جستجو برای: doped fluorapatite
تعداد نتایج: 48568 فیلتر نتایج به سال:
Fluorapatite, Ca10(PO4)6F2. is a widely spread form of calcium phosphate present particularly in biological material. Human hard tissues contain crystals structurally related to apatite. Fluoride can be found in various natural sources and is also used for its beneficial action in caries prevention. Fluorapatite belongs to the spatial group P6(3/m) (C(6h)2) and consists of 3 ions: F-, Ca2+, PO4...
In bone tissue engineering, ionic doping using bone-related minerals such as magnesium (Mg) or strontium (Sr) is a promising strategy to make up for the inherent disadvantages (low solubility) of various apatite-based materials (such fluorapatite (FAp) and hydroxyapatite (HA)). Therefore, some studies in recent years have tried address lack-of-methodology improve properties bioceramics field. E...
Fluoride has a specific affinity for hydroxyapatite bone Ca10(PO4)6(OH)2. It lists the hydroxyl ions of hydroxyapatite crystals converting it into Fluor apatite, which entails a change of the physical characteristics of the crystals. Fluorapatite crystals are quick dimension "a" crystal, increased crystallinity and a reduced dissolve. Increased solubility of fluorapatite is the main cause of ch...
The purpose of this study was to fabricate and characterize nanocomposite powder from 45S5 bioactive glass/ fluorapatite. Nanocomposites containing 10, 15 and 20 wt.% of fluorapatite were synthesized by sol-gel method. XRD and FT-IR analyses were used to characterize and evaluate the produced nanocomposites. The results of XRD and FT-IR analysis indicated the successful synthesis of high purity...
Hydroxyapatite (HA) is perhaps the most attractive material for bone repair, replacement and regeneration, due to its chemical composition and crystallographic structure which are similar to those of natural bone mineral. However, replacement of various elements and compounds in HA, could improve biological properties of this material. The aim of this study was preparation, characterization and...
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