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題 名 | In Vitro Evaluation of Cell Loss: Retention and Repopulation on Substrates upon Shear Flow by a Rheometer=利用流變儀評估體外流場下細胞在基材上之殘存與長回 |
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作 者 | 徐善慧; 陳建安; | 書刊名 | Journal of Medical and Biological Engineering |
卷 期 | 23:4 2003.12[民92.12] |
頁 次 | 頁171-176 |
分類號 | 410.1644 |
關鍵詞 | 流變儀; 剪流; 附著力; 細胞殘存; 細胞長回; Rheometer; Shear flow; Adhesive force; Cell retention; Cell repopulation; |
語 文 | 英文(English) |
中文摘要 | 在此研究中,我們使用錐與盤型之流變儀,來評估牛頸動脈內皮細胞對基材之附著能力。在流變儀施予體外流場之後,可觀察細胞在基材上之殘存率與其後再長回之情形。結果發現,流變儀確為評估生醫材料上細胞之附著力與流場下細胞在基材上殘存率的有利工具。與組織培養盤之聚苯乙烯或生物相容性之聚碳酸酯型聚胺酯這兩種材料相比,在塗佈有明膠的基材上,細胞具有較佳之抵抗流場剪應力之能力,而且,其後新長回之細胞,較原先之細胞,更能抵抗流場的進一步沖刷。 |
英文摘要 | In this work, we utilized a cone and plate type rheometer to assess the adhesive force between bovine carotid arteries endothelial cells and substrate materials. The cell retention and repopulation on these materials were observed in vitro. The results showed that the rheometer was a convenient tool to evaluate adhesive force and cell retention on a biomaterial substrate. On gelatin-coated surface, cells were more resistant to shear flow compared to those on tissue culture polystyrene or biocompatible poly(carbonate)urethane. The newly grown cells on the gelatin substrate after flushing for a period of time became further resistant to shear flow. |
本系統中英文摘要資訊取自各篇刊載內容。