Fabrication of porous synthetic polymer scaffolds for tissue engineering

被引:57
作者
Mi, Hao-Yang [1 ,2 ,3 ]
Jing, Xin [1 ,2 ,3 ]
Turng, Lih-Sheng [1 ,3 ]
机构
[1] Univ Wisconsin, Wisconsin Inst Discovery, Madison, WI 53706 USA
[2] S China Univ Technol, Natl Engn Res Ctr Novel Equipment Polymer Proc, Guangzhou 510641, Guangdong, Peoples R China
[3] Univ Wisconsin, Dept Mech Engn, Madison, WI 53706 USA
关键词
Tissue engineering; scaffold; scaffold fabrication; synthetic polymer; POLY(L-LACTIC ACID) SCAFFOLDS; POLYETHER-URETHANE SCAFFOLDS; INDUCED PHASE-SEPARATION; OF-THE-ART; COMPOSITE SCAFFOLDS; SURFACE MODIFICATION; SUPERCRITICAL CO2; NANOCOMPOSITE SCAFFOLDS; MECHANICAL-PROPERTIES; CELL TRANSPLANTATION;
D O I
10.1177/0021955X14531002
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Tissue engineering provides a novel and promising approach to replace damaged tissue with an artificial substitute. Porous synthetic biodegradable polymers are the preferred materials for this substitution due to their microstructure, biocompatibility, biodegradability, and low cost. As a crucial element in tissue engineering, a scaffold acts as an artificial extracellular matrix (ECM) and provides support for cell migration, differentiation, and reproduction. The fabrication of viable scaffolds, however, has been a challenge in both clinical and academic settings. Methods such as solvent casting/particle leaching, thermally induced phase separation (TIPS), electrospinning, gas foaming, and rapid prototyping (additive manufacturing) have been developed or introduced for scaffold fabrication. Each method has its own advantages and disadvantages. In this review, the commonly used synthetic polymer scaffold fabrication methods will be introduced and discussed in detail, and recent progress regarding scaffold fabricationsuch as combining different scaffold fabrication methods, combining various materials, and improving current scaffold fabrication methodswill be reviewed as well.
引用
收藏
页码:165 / 196
页数:32
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