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Bioactivity of gelatin coated magnetic iron oxide nanoparticles: in vitro evaluation

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Abstract

Current research explores formation of bone like apatite on gelatin coated magnetic iron oxide nanoparticles (GIOPs) to evaluate the bioactivity of the material. The GIOPs were soaked in simulated body fluid (SBF) and the apatite formation on the surface was investigated in regular interval of time. Fourier transform-infrared (FT-IR) and x-ray diffraction spectroscopic (XRD) analyses were done to investigate the chemical changes and field emission-scanning electron microscopic (FE-SEM) analysis was done to investigate the morphological changes occurring on the surface of the GIOPs after soaking in different time intervals. The kinetic studies of the apatite growth in SBF suggest that initially calcium and phosphorous ions were deposited to the surface of the GIOPs from the SBF leading to formation of amorphous Ca/P particles. Later, after 9 days of the incubation the amorphous particles were fused to form needle and blade like crystalline structures of bone like apatite.

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Acknowledgements

This research was supported by the Regional Research Center Program of the Korean Ministry of Education (KRF-2005-211-D00054) and Korean Research Foundation Grant Funded by the Korean Government (MOEHRD) the center for Healthcare Technology Development, Jeonju 561–756, Republic of Korea.

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Authors and Affiliations

  1. Department of Bionanosystem Engineering, Chonbuk National University, Chonju, 561-756, Republic of Korea

    Babita Gaihre

  2. Center for Healthcare Technology Development, Chonbuk National University, Chonju, 561-756, Republic of Korea

    Myung Seob Khil & Hak Yong Kim

  3. Department of Textile Engineering, Chonbuk National University, Chonju, 561-756, Republic of Korea

    Myung Seob Khil, Hyo Kyoung Kang & Hak Yong Kim

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  1. Babita Gaihre
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  2. Myung Seob Khil
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Correspondence to Hak Yong Kim.

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Gaihre, B., Khil, M.S., Kang, H.K. et al. Bioactivity of gelatin coated magnetic iron oxide nanoparticles: in vitro evaluation. J Mater Sci: Mater Med 20, 573–581 (2009). https://doi.org/10.1007/s10856-008-3565-4

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  • DOI: https://doi.org/10.1007/s10856-008-3565-4

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