نتایج جستجو برای: calcium phosphates
تعداد نتایج: 178730 فیلتر نتایج به سال:
ABOOD, 1;. G., K. KOKETSU, AND S. MIYAMOTO. Oz@ux of . various @o.s+ztes during membrane depolarization uf excitable fissues. Am. J. Physiol. 202(g) : 469-474. 1g62.-The main purpose of the present work was to study in detail the outflux of Pa2 from excitable tissues accompanying membrane depolarization or electrical excitation. With the use of Pz2 as a tracer, it has been demonstrated that ort...
The crystal structures of various ternary complexes of phosphoinositide-specific phospholipase C-delta 1 from rat with calcium and inositol phosphates have been determined at 2.30-2.95 A resolution. The inositol phosphates used in this study mimic the binding of substrates and the reaction intermediate and include D-myo-inositol-1,4,5-trisphosphate, D-myo-inositol-2,4, 5-trisphosphate. D-myo-in...
Nature itself uses materials like cellulose to provide the structure of plants, chitin as the exoskeleton of several insects and molluscs, collagen for mechanical support in connective tissues and so on. At present, the socioeconomic situation of the modern world has raised the interest in renewable materials to use in regenerative medicine. The composition of Chitosan and/or Calcium Phosphates...
Aligned porous non-sintered and sintered a-tricalcium phosphate (a-TCP) scaffolds are prepared by ice-templating converted into the low-temperature calcium phosphates calcium-deficient hydroxyapatite (CDHA), brushite monetite. This is achieved hydrothermal treatment or incubation in phosphoric acid solution has a high clinical potential due to higher solubility of these phases. Further details ...
Cholera toxin pretreatment has been found to cause a 3-fold increase in the initial rate of antigen-stimulated secretion of serotonin from rat basophilic leukemia (RBL) cells. Under similar conditions, cholera toxin enhances the antigen-stimulated rise in cytoplasmic free ionized calcium levels and causes a 2-3-fold increase in the rate of antigen-stimulated influx of 45Ca. In intact RBL cells ...
The purpose of this study was to evaluate the microtensile bond strength (microTBS) to human dentin of an experimental bonding agent containing calcium phosphates experimentally developed for direct pulp capping. Different concentrations of four types of calcium phosphates were added to an experimental bonding monomer, and six experimental bonding agents were thus prepared. Clearfil SE Bond/Bon...
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