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題 名 | Dendrimer Graft Hyperbranched Hydrogels=含樹狀高分子之高分枝水膠 |
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作 者 | 廖宜賢; | 書刊名 | Journal of Medical and Biological Engineering |
卷 期 | 23:2 2003.06[民92.06] |
頁 次 | 頁85-88 |
分類號 | 467 |
關鍵詞 | 樹狀高分子; 高分枝; 水膠; Dendrimer; Hyperbranch hydrogel; |
語 文 | 英文(English) |
中文摘要 | 我們發展出一種新型含樹狀高分子而且呈高分枝狀結構的水膠系統。這水膠的組成是由一個第一代的烷基聚酯樹狀高分子與二乙基三胺五醋酸(DTPA, Diethylene triaminepetaacetic acid)所組成的。這水膠系統在酸性和中性的環境下會凝成具有規則大小約15μm的微粒。然而在鹼性的環境中,微粒之粒徑則分散至約400nm,從電子顯微鏡下觀察得知,此為兩顆微粒凝聚之結果。 |
英文摘要 | A novel dendrimer graft hyperbranched hydrogel was developed as a potential candidate for the biomedical applications. This hydrogel was composed of a first generation aliphatic polyester dendrimer and the DTPA (diethylenetriaminepentaacetic acid) moieties. This hydrogel showed a few very unique properties compared to the linear cross-link hydrogels. The hydrogel aggregated to give very uniform size in the acidic and neutral conditions. The average diameter of the particle size is about 15 µm, whereas in the basic conditions, the particle size of this hydrogel deaggregated to 400 nm without any treatment after four days. SEM results suggested that this is the result of a dimer product. |
本系統中英文摘要資訊取自各篇刊載內容。