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Enhanced cellular responses of vascular endothelial cells on poly-γ-glutamic acid/PU composite film treated with microwave-induced plasma at atmospheric pressure

Title
 Enhanced cellular responses of vascular endothelial cells on poly-γ-glutamic acid/PU composite film treated with microwave-induced plasma at atmospheric pressure
Authors
 Bong Joo Park; Byoung Ju Kwon; Jong-Chul Park; Jeong Koo Kim; Inho Han; Mi Hee Lee; Jae Kyeong Kang
Issue Date
2011
Journal Title
 Macromolecular Research
ISSN
 1598-5032
Citation
 Macromolecular Research, Vol.19(6) : 537~541, 2011
Abstract
Poly-γ-glutamic acid (γ-PGA), which is produced by microbial fermentation, is a biodegradable, hydrophilic and non-toxic biomaterial. γ-PGA has many carboxyl groups that makes it a polyanionic biopolymer with swelling ability, biocompatibility and anticoagulant activity. On the other hand, few studies have examined the effect of γ-PGA on the cellular activity of human umbilical vein endothelial cells (HUVECs). The present study evaluated the effects of γ-PGA and fabricated γ-PGA/PU composite films on the attachment and proliferation of HUVECs after treatment with microwave plasma at atmospheric pressure. The results confirmed that γ-PGA is capable of increasing the proliferation and differentiation of HUVECs to form capillary tubes with enhanced alignment and organization. Moreover, the microwave plasma modified γ-PGA/PU composite film was more hydrophilic and the surface roughness was enhanced. In addition, the attachment and proliferation of the HUVECs were increased by the plasma treatment. These results suggest that γ-PGA and surface modified γ-PGA/PU composite can be applied as bioactive and biocompatible materials in vascular tissue engineering but further testing of γ-PGA and γ-PGA/PU composite films will be needed to confirm the potential effects for use in vascular applications
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/93408
DOI
10.1007/s13233-011-0605-6
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Medical Engineering
Yonsei Authors
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Link
 http://link.springer.com/article/10.1007%2Fs13233-011-0605-6#
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