第五章 結果與討論
6.2. 未來展望
本研究已建立出一套完整的表面張力驅動之元件,同時發現血液可以經由 表面張力加以驅動進入微流道之中,而不需要外加電場、磁場來驅動血液,如此 一來,將可以有效的避免生物分子因為通入熱、磁場的情況下,因而對細胞產生 不必要的反應或影響,造成檢測上的誤差。因此,血液在此驅動元件流動的過程 當中,皆可以維持其原有之生物特性,有助於生醫檢測之準確性。雖然,本驅動 元件不像幫浦一樣可以精確的控制流體流量,但是,由於它具有攜帶方便以及不 需要任何外在能量源之優點,因此,對於立即性檢測生醫晶片的發展,將具有更 廣泛的應用性。
另一方面,透過本研究所建立出來之血液動態理論分析,吾人可以瞭解血液 於動態行為中,其血容比與流速間之關係,未來將可以致力於整合機械視覺之元 件,如此便能夠直接透過觀察血液於流道中之流速,進而得知該病患之血容比,
以便於做初期之病理診斷。利用此方法,將可以有效的省去傳統離心機所需要的 時間。同時,吾人也可以利用控制局部血容比,使其黏滯度在局部發生變化,使 得流體流動能力產生強弱之分,如此可以完成一新型之細胞篩選器(Cell sorter)。
最後,在驅動效能方面,吾人藉由底材超疏水介面的改質,已能明顯提升流 體之流速,未來,更可以著手發展上蓋之超疏水製程,甚至可以將二氧化矽之親 水介面改質為超親水介面,如此一來,吾人預期屆時必能使得本表面張力元件之 驅動效能有最好之表現。
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