Journal
POLYMERS
Volume 13, Issue 19, Pages -Publisher
MDPI
DOI: 10.3390/polym13193370
Keywords
agarose; sericin; glycerin; scaffold; freeze-thawing; freeze-drying
Categories
Funding
- Ratchadapisek Somphot Fund for Postdoctoral Fellowship, Chulalongkorn University, TSRI Fund [CU_FRB640001_16_33_1]
- National Research Council of Thailand
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This study aimed to develop natural scaffolds using natural agents and simple and green crosslinking methods, and successfully improved the performance of the scaffolds by adding plasticizers. The scaffolds exhibited good biological properties and may have potential applications in controlled drug release and wound healing.
Finding a simple and eco-friendly production technique that matches to the natural agent and results in a truly valuable natural scaffold production is still limited amongst the intensively competitive natural scaffold development. Therefore, the purpose of this study was to develop natural scaffolds that were environmentally friendly, low cost, and easily produced, using natural agents and a physical crosslinking technique. These scaffolds were prepared from agarose and sericin using the freeze-drying method (D) or freeze-thawing together with the freeze-drying method (TD). Moreover, plasticizers were added into the scaffold to improve their properties. Their physical, mechanical, and biological properties were investigated. The results showed that scaffolds that were prepared using the TD method had stronger bonding between sericin and other compounds, leading to a low swelling ratio and low protein release of the scaffolds. This property may be applied in the development of further material as a controlled drug release scaffold. Adding plasticizers, especially glycerin, into the scaffolds significantly increased elongation properties, leading to an increase in elasticity of the scaffold. Moreover, all scaffolds could activate cell migration, which had an advantage on wound healing acceleration. Accordingly, this study was successful in developing natural scaffolds using natural agents and simple and green crosslinking methods.
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