지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Polyurethane/polyethylene glycol(PU/PEG) hybrid scaffolds with various concentrations of PEG (0 to 50wt%) were prepared by electrospinning to evaluate the mechanical properties and the biocompatibility of the PU/ PEG blend scaffolds. The 12wt% PU/PEG polymers were studied due to the absence of beads. The ultimate tensile strength of 12wt% PU was 8.2 ± 0.5 MPa. The strength increased to 9.2 ± 0.7 MPa when 10% PEG was added to PU. However, the dry and the wet strength of PU/PEG scaffolds began to decrease dramatically when the PEG content was more than 10wt%. No cytotoxicity was observed for all the PU/PEG scaffolds investigated, indicating that the PU/PEG hybrid scaffolds are clinically safe and effective to small-diameter vascular grafts. In addition, the L-929 cells attached and proliferated well on the PU/PEG hybrid scaffolds.
목차
등록된 정보가 없습니다.
참고문헌 (15)
참고문헌 신청
A. Arinstein / 2007 / Effect of supramolecular structure on polymer nanofiber elasticity / Nature Nanotechnol 2 : 59 ~ 62
Cheolbyong Chun / 2016 / Effect of molecular weight of hyaluronic acid (HA) on viscoelasticity and particle texturing feel of HA dermal biphasic fillers / 생체재료학회지 20
Dong Il Cha / 2006 / Mechanical Behaviors and Characterization of Electrospun Polysulfone/Polyurethane Blend Nonwovens / Macromolecular Research 14 (3) : 331 ~ 337
H. Wang / 2012 / Coelectrospun blends of PU and PEG as potential biocompatible scaffolds for small-diameter vascular tissue engineering / Mater. Sci. Eng. C 32 : 2306 ~ 2315
J. Hu / 2010 / Porous nanofibrous PLLA scaffolds for vascular tissue engineering / Biomater 31 : 7971 ~ 2010
Cheolbyong Chun / 2016 / Effect of molecular weight of hyaluronic acid (HA) on viscoelasticity and particle texturing feel of HA dermal biphasic fillers / 생체재료학회지 20
Dong Il Cha / 2006 / Mechanical Behaviors and Characterization of Electrospun Polysulfone/Polyurethane Blend Nonwovens / Macromolecular Research 14 (3) : 331 ~ 337
H. Wang / 2012 / Coelectrospun blends of PU and PEG as potential biocompatible scaffolds for small-diameter vascular tissue engineering / Mater. Sci. Eng. C 32 : 2306 ~ 2315
J. Hu / 2010 / Porous nanofibrous PLLA scaffolds for vascular tissue engineering / Biomater 31 : 7971 ~ 2010
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