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Han L, Wang Y, Wu L, Wu Z, He Y, Mao H, Gu Z. Effects of Chemical Composition on the Shape Memory Property of Poly(dl-lactide- co-trimethylene carbonate) as Self-Morphing Small-Diameter Vascular Scaffolds. ACS Biomater Sci Eng 2023; 9:520-530. [PMID: 36459430 DOI: 10.1021/acsbiomaterials.2c01345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Smart materials have great potential in many biomedical applications, in which biodegradable shape memory polymers (SMPs) can be used as surgical sutures, implants, and stents. Poly(dl-lactide-co-trimethylene carbonate) (PDLLTC) represents one of the promising SMPs and is widely used in biomedical applications. However, the relationship between its shape memory property and chemical structure has not been fully studied and needs further elaboration. In this work, PDLLTC copolymers in different compositions have been synthesized, and their shape memory properties have been investigated. It has been found that the shape memory property is related to the chemical composition and polymeric chain segments. The copolymer with a DLLA/TMC ratio of 75:25 (PDLLTC7525) has been demonstrated with great shape fixation and recovery ratio at human body temperature. Furthermore, PDLLTC7525-based self-morphing small-diameter vascular scaffolds adhered with inner electrospun aligned gelatin/hyaluronic acid (Gel/HA) nanofibers have been constructed, as a merit of its shape memory property. The scaffolds have been demonstrated to facilitate the proliferation and adhesion of endothelial cells on the inner layer. Therefore, PDLLTC with tailorable shape memory properties represents a promising candidate for the development of SMPs, as well as for small-diameter vascular scaffolds construction.
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Affiliation(s)
- Lu Han
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Suqian Advanced Materials Industry Technology Innovation Center, Nanjing Tech University, Nanjing211816, P. R. China
| | - Yuqi Wang
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Suqian Advanced Materials Industry Technology Innovation Center, Nanjing Tech University, Nanjing211816, P. R. China
| | - Lihuang Wu
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Suqian Advanced Materials Industry Technology Innovation Center, Nanjing Tech University, Nanjing211816, P. R. China
| | - Zixiang Wu
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Suqian Advanced Materials Industry Technology Innovation Center, Nanjing Tech University, Nanjing211816, P. R. China
| | - Yiyan He
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Suqian Advanced Materials Industry Technology Innovation Center, Nanjing Tech University, Nanjing211816, P. R. China.,NJTech-BARTY Joint Research Center for Innovative Medical Technology, Nanjing Tech University, Nanjing210000, P. R. China
| | - Hongli Mao
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Suqian Advanced Materials Industry Technology Innovation Center, Nanjing Tech University, Nanjing211816, P. R. China.,NJTech-BARTY Joint Research Center for Innovative Medical Technology, Nanjing Tech University, Nanjing210000, P. R. China
| | - Zhongwei Gu
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Suqian Advanced Materials Industry Technology Innovation Center, Nanjing Tech University, Nanjing211816, P. R. China.,NJTech-BARTY Joint Research Center for Innovative Medical Technology, Nanjing Tech University, Nanjing210000, P. R. China
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Li X, Hou Q, Zhang J, Cui Q, Xu S, Ding X. The role of branching architecture in shape memory
semi‐IPNs
: Shape memory effect and tube model analysis. POLYM ENG SCI 2021. [DOI: 10.1002/pen.25686] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Xingjian Li
- School of Materials Science and Engineering Linyi University Linyi P. R. China
| | - Qing Hou
- School of Materials Science and Engineering Linyi University Linyi P. R. China
| | - Jing Zhang
- School of Materials Science and Engineering Linyi University Linyi P. R. China
| | - Qiuyue Cui
- School of Materials Science and Engineering Linyi University Linyi P. R. China
| | - Shoufang Xu
- School of Materials Science and Engineering Linyi University Linyi P. R. China
| | - Xiaobin Ding
- Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu P. R. China
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