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

• Autorzy: Marioara Moldovan , Doina Prodan , Violeta Popescu , Cristina Prejmerean , Codruta Saroși , Monica Saplonţai , Stefan Țălu , Eugeniu Vasile
• Języki publikacji: EN

Abstrakty

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

Słowa kluczowe

EN

hydroxyapatite; zinc oxide; nanoparticles; biomaterials; fractal analysis

• Czasopismo: Open Chemistry
• Rocznik: 2015
• Tom: 13
• Numer: 1

Daty

otrzymano

2013-10-15

zaakceptowano

2014-08-21

online

2015-01-28

Twórcy

autor

Marioara Moldovan

• Babeș Bolyai
  University – “Raluca Ripan” Chemistry Research Institute, 30
  Fantanele street, 400294, Cluj-Napoca, Romania

autor

Doina Prodan

• Babeș Bolyai
  University – “Raluca Ripan” Chemistry Research Institute, 30
  Fantanele street, 400294, Cluj-Napoca, Romania

autor

Violeta Popescu

• Technical University
  of Cluj-Napoca, 103-105 Muncii Bvd. 400641 Cluj-Napoca, Romania

autor

Cristina Prejmerean

• Babeș Bolyai
  University – “Raluca Ripan” Chemistry Research Institute, 30
  Fantanele street, 400294, Cluj-Napoca, Romania

autor

Codruta Saroși

• Babeș Bolyai
  University – “Raluca Ripan” Chemistry Research Institute, 30
  Fantanele street, 400294, Cluj-Napoca, Romania

autor

Monica Saplonţai

• Technical University
  of Cluj-Napoca, 103-105 Muncii Bvd. 400641 Cluj-Napoca, Romania

autor

Stefan Țălu

• Technical University
  of Cluj-Napoca, 103-105 Muncii Bvd. 400641 Cluj-Napoca, Romania

autor

Eugeniu Vasile

• METAV, 16-18 Zapada Mieilor St., 71529 Bucharest,
  Romania

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Identyfikatory

DOI

10.1515/chem-2015-0083