نتایج جستجو برای: durapatite
تعداد نتایج: 4396 فیلتر نتایج به سال:
DENTINE DERIVED HYDROXYAPATITE-GLASS COMPOSITES L.S. Ozyegin, F.N. Oktar, U. Karacayli, C. Aktas, S. Agathopoulos, C. Kalkandelen, M. Yetmez Marmara University, Istanbul, Turkey; Gulhane Military Medical Academy, Ankara, Turkey; Leibniz Institute for New Materials, Saarbrücken, Germany; Ioannina University, Ioannina, Greece; Istanbul University, Istanbul, Turkey; Bulent Ecevit University, Zongu...
This Article contains typographical errors in the grant numbers in the Acknowledgements section.
Adsorption of Streptococcus mutans on hydroxyapatite and chemically treated hydroxyapatite was studied. Zeta potentials of the surfaces were measured. Chemically treated hydroxyapatite gave higher zeta potentials and lower S mutans adsorption.
A physical model which assumes that hydroxyapatite is the thermodynamic governing phase for the acid dissolution-rate behavior of enamel has been critically examined theoretically and experimentally. Both enamel powder and synthetic hydroxyapatite initial dissolution-rate experiments were conducted under various conditions of acid-butler type and concentration, pH, and common ion concentrations.
By theoretical modeling and X-ray absorption spectroscopy, the local coordination structure of Zn incorporated into hydroxylapatite was examined. Density function theory (DFT) calculations show that Zn favors the Ca2 site over the Ca1 site, and favors tetrahedral coordination. X-ray absorption near edge structure (XANES) spectroscopy results suggest one dominant coordination environment for the...
Major recent ad ances: Amphiphilic peptides, in other words, peptides that contain hydrophobic and hydrophilic regions along their lengths, have been molecularly designed and exploited in various ways. Most notable advancements in the past few years are their proposed use for scaffolds for nanometer structures such as molecular wires and mineralization of hydroxyapatite crystals in a particular...
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