Journal
NANOSCALE RESEARCH LETTERS
Volume 7, Issue -, Pages 1-5Publisher
SPRINGER
DOI: 10.1186/1556-276X-7-78
Keywords
beta-tricalcium phosphate scaffold; multi-sized pores; gelatin coating; mechanical property; biological property
Funding
- Ministry of Health, Welfare & Family Affairs, Republic of Korea [A101578]
- Korea Health Promotion Institute [A101578120001] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The multi-sized porous beta-tricalcium phosphate scaffolds were fabricated by freeze drying followed by slurry coating using a multi-sized porous sponge as a template. Then, gelatin was dip coated on the multi-sized porous beta-tricalcium phosphate scaffolds under vacuum. The mechanical and biological properties of the fabricated scaffolds were evaluated and compared to the uniformly sized porous scaffolds and scaffolds that were not coated by gelatin. The compressive strength was tested by a universal testing machine, and the cell viability and differentiation behavior were measured using a cell counting kit and alkaline phosphatase activity using the MC3T3-E1 cells. In comparison, the gelatin-coated multi-sized porous beta-tricalcium phosphate scaffold showed enhanced compressive strength. After 14 days, the multi-sized pores were shown to affect cell differentiation, and gelatin coatings were shown to affect the cell viability and differentiation. The results of this study demonstrated that the multi-sized porous beta-tricalcium phosphate scaffold coated by gelatin enhanced the mechanical and biological strengths.
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