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Journal
2015 | 13 | 1 |
Article title

Structural and morphological properties
of HA-ZnO powders prepared for biomaterials

Content
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Languages of publication
EN
Abstracts
EN
The purpose of this study was to investigate the
structural and morphological properties of hydroxyapatite
– zinc oxide (HA-ZnO) powders prepared to be used
in an endodontic sealer formulation. The HA-ZnO was
synthesized from hydroxyapatite (HA) in the presence
of zinc oxide (ZnO) sol. The starting reagents were CaO,
H3PO4 and a suspention of ZnO (25% in water). Following
precipitation, the obtained sol was subjected to heat
treatment at 110°C, 400°C, 850°C and 1050°C. The study
focused on the influence of the thermal treatment on the
cristallinity of precipitated powders. X-ray diffraction
was used in order to study the structural properties
of the obtained powder. Fourier Transform Infrared
Spectroscopy (FT-IR) was used in order to evaluate the
interactions between HA and ZnO. The morphology of the
samples was studied by Scanning Electron Microscopy
(SEM). Transmission Electron Microscopy and High
Resolution Transmission Electron Microscopy (TEM,
HRTEM) were used for the determination of particle size
and fractal analysis. The fractal analysis of images using
the standard box-counting method is presented and the
results are discussed. It was demonstrated that the fractal
dimension analysis is a useful method to quantitatively
describe the complex microstructures and it can reveal the
relation between fractal parameters.
EN
Publisher
Journal
Year
Volume
13
Issue
1
Physical description
Dates
received
15 - 10 - 2013
accepted
21 - 8 - 2014
online
28 - 1 - 2015
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.-psjd-doi-10_1515_chem-2015-0083
Identifiers
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