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Open AccessArticle

Correlation of Morphology and In-Vitro Degradation Behavior of Spray Pyrolyzed Bioactive Glasses

1
Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
2
Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
3
Department of Chemical Science and Technology, Graduate School of Advanced Technology and Science, Tokushima University, 2-1 Minami-Josanjima, Tokushima 770-8506, Japan
*
Author to whom correspondence should be addressed.
Materials 2019, 12(22), 3703; https://doi.org/10.3390/ma12223703 (registering DOI)
Received: 7 October 2019 / Revised: 4 November 2019 / Accepted: 4 November 2019 / Published: 9 November 2019
(This article belongs to the Special Issue Spotlight on Bioactive Glasses and Their Related Composites)
Bioactive glass (BG) is considered to be one of the most remarkable materials in the field of bone tissue regeneration due to its superior bioactivity. In this study, both un-treated and polyethylene glycols (PEG)-treated BG particles were prepared using a spray pyrolysis process to study the correlation between particle morphology and degradation behavior. The phase compositions, surface morphologies, inner structures, and specific surface areas of all BG specimens were examined by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and nitrogen adsorption/desorption, respectively. Simulated body fluid (SBF) immersion evaluated the assessments of bioactivity and degradation behavior. The results demonstrate three particle morphologies of solid, porous, and hollow factors. The correlation between porosity, bioactivity, and degradation behavior was discussed. View Full-Text
Keywords: bioactive glass; PEG; electron microscopy; morphology; in-vitro degradation bioactive glass; PEG; electron microscopy; morphology; in-vitro degradation
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MDPI and ACS Style

Bakare, F.F.; Chou, Y.-J.; Huang, Y.-H.; Tesfay, A.H.; Moriga, T.; Shih, S.-J. Correlation of Morphology and In-Vitro Degradation Behavior of Spray Pyrolyzed Bioactive Glasses. Materials 2019, 12, 3703.

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