CHEMICAL SYNTHESIS AND CHARACTERIZATION OF PHYSICAL AND MAGNETIC PROPERTIES OF COBALT DOPED HYDROXYAPATITE NANOPARTICLE

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YAZDANI NARGES; JAVADPOUR JAFAR; EFTEKHARI YEKTA BIJAN

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Journal: JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES Year:2016 | Volume:5 | Issue:2 Page(s): 1-8

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Title

CHEMICAL SYNTHESIS AND CHARACTERIZATION OF PHYSICAL AND MAGNETIC PROPERTIES OF COBALT DOPED HYDROXYAPATITE NANOPARTICLE

Author(s)

YAZDANI NARGES | JAVADPOUR JAFAR | EFTEKHARI YEKTA BIJAN | Issue Writer Certificate

Keywords

HYDROXYAPATITEQ2

COBALT DOPED HYDROXYAPATITEQ2

HYDROTHERMAL CONDITIONQ2

NOPARTICLESQ2

PARAMAGNETICQ2

Abstract

Synthesis of HAp is of considerable interest because of its similarity to mineral component of bone. It has good biocompatibility and bioactivity for bone tissue therapy. In this project, we looked at the effect of calcium substitution with cobalt divalent cation on the structure and magnetic property of HAp. Cobalt- doped HAp nanoparticles was synthesized via HYDROTHERMAL CONDITION. First, Calcium nitrate and Cobalt nitrate was mixed. Then diammonium hydrogen phosphate was added drop by drop and finally Co-HAp was precipitated from the solution. The precipitate was heated at 200°C under HYDROTHERMAL CONDITION. XRD pattern analysis verified the substitution of cobalt in HAp structure by showing a shift in the peak positions in the pattern. Furthermore, broadening and reduction in the peak intensities of the peaks with cobalt substitution was also observed in this study. The presence of functional groups related to HAp structure (PO4 3-, OH-) were confirmed by FTIR analysis. The size and morphology of nanoparticle HAp particles were evaluated by FESEM analysis. Calcium substitution with cobalt induced size reduction and morphology change in HAp particles. VSM analysis was carried out to investigate the magnetization of HAp and Co-HAp nanoparticles. The results showed that cobalt substituted nanoparticles displayed PARAMAGNETIC properties, as opposed to the diamagnetism of pure HAp. Cobalt doped HAp, a biomaterial with magnetic properties, could be used in a variety of biomedical applications, including magnetic imaging, drug delivery and hyperthermia based cancer treatment.

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APA: Copy

YAZDANI, NARGES, JAVADPOUR, JAFAR, & EFTEKHARI YEKTA, BIJAN. (2016). CHEMICAL SYNTHESIS AND CHARACTERIZATION OF PHYSICAL AND MAGNETIC PROPERTIES OF COBALT DOPED HYDROXYAPATITE NANOPARTICLE. JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES, 5(2), 1-8. SID. https://sid.ir/paper/252401/en

Vancouver: Copy

YAZDANI NARGES, JAVADPOUR JAFAR, EFTEKHARI YEKTA BIJAN. CHEMICAL SYNTHESIS AND CHARACTERIZATION OF PHYSICAL AND MAGNETIC PROPERTIES OF COBALT DOPED HYDROXYAPATITE NANOPARTICLE. JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES[Internet]. 2016;5(2):1-8. Available from: https://sid.ir/paper/252401/en

IEEE: Copy

NARGES YAZDANI, JAFAR JAVADPOUR, and BIJAN EFTEKHARI YEKTA, “CHEMICAL SYNTHESIS AND CHARACTERIZATION OF PHYSICAL AND MAGNETIC PROPERTIES OF COBALT DOPED HYDROXYAPATITE NANOPARTICLE,” JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES, vol. 5, no. 2, pp. 1–8, 2016, [Online]. Available: https://sid.ir/paper/252401/en

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