نتایج جستجو برای: octacalcium
تعداد نتایج: 231 فیلتر نتایج به سال:
information about forms of phosphorus (p) is important for the evaluation of p status in soil and also understanding of the soil fertility and plant nutrition. to obtain such information and to determine the relationship between the p forms from soil characteristics, amount of different organic and inorganic p forms of 20 soil composite samples of eastern azerbaijan province, iran were determin...
The biological behavior of a new bioactive material composed of calcium-deficient hydroxyapatite, octacalcium phosphate, and β-tricalcium phosphate was investigated by in vitro indirect and direct cytotoxicity, cell adhesion and proliferation tests, and by in vivo subcutaneous and bone implantation in rats. The results of the in vitro studies showed that the material is biocompatible and no cyt...
Recent experimental evidence suggests that octacalcium phosphate (OCP) is a necessary precursor to hydroxyapaptite in the amorphous-crystalline transformation that occurs after the spon..: taneous precipitation of calcium phosphate in the pH range 7.00-9.25. The transformation appears to occur by heterogeneous nucleation of OCP by the initially formed amorphous calcium phosphate (ACP) phase. AC...
objective: furcal perforation is an undesirable complication that may occur during root canal therapy and seriously compromises the prognosis of endodontic treatment. the prognosis of furcal perforation repair depends on the prevention of bacterial infection of the perforation site. thus, use of a biocompatible material for complete sealing of the perforation site is critically important. this ...
Octacalcium phosphate (OCP) coating was formed on the surface of Mg–Al–Zn–Ca alloy (AZX612) by anodically oxidized and subsequently immersed in a supersaturated aqueous solution containing calcium ion under ordinary temperature pressure. The OCP layer consisted both inner fine crystallites outer large crystallites, remained even after ultrasonication process. In simulated body fluid, AZX612 tre...
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