研究生: |
曾詠欽 Tzeng, Yung-Chin |
---|---|
論文名稱: |
整合式微流體精子分選及卵子培育 系統並應用於人工試管嬰兒技術 INTERGRATED MICROFLUIDIC SPERM SORTING AND OOCYTE INCUBATION SYSTEM FOR IN-VITRO FERTILIZATION ENHANCEMENT |
指導教授: |
曾繁根
Tseng, Fang-Gan |
口試委員: |
蘇育全
Su, Yu-Chuan 杜清富 Tu, Chin-Fu |
學位類別: |
碩士 Master |
系所名稱: |
原子科學院 - 工程與系統科學系 Department of Engineering and System Science |
論文出版年: | 2018 |
畢業學年度: | 106 |
語文別: | 中文 |
論文頁數: | 73 |
中文關鍵詞: | 微流體 、精子分選 、卵子培育 、漸擴式流場 、液體交換系統 、輔助生殖技術 |
外文關鍵詞: | microfluid, sperm sorting, oocyte incubation, divergent flow field, fluid exchanging system, assist reproductive technique |
相關次數: | 點閱:2 下載:0 |
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根據衛福部資料統計,在台灣約有10~15%的育齡期夫妻受不孕症的困擾,而美國國家疾病管制局(Centers for Disease Control and Prevention)統計指出,在美國約有11%的女性在生育年齡面臨懷孕困難,甚至是不孕症。在台灣受到不孕症困擾的夫妻之中有98.7%都是使用試管嬰兒技術,但在民國103年台灣的體外受精技術(IVF)成功懷孕率卻只有33%,造成低成功率的原因有二:1. 傳統生物實驗室利用離心方式分選活動力好的精子,但離心力會對精子產生殺傷力,導致可用的精子量急劇減少,並影響存活精子的品質。2. 傳統生物醫學實驗室的卵細胞透明帶(Zona)去除的過程非常繁雜,卵細胞前後需經過至少8次的轉移,為了將酵素對卵細胞的傷害降到最低,因此完成單一顆卵子透明帶去除的過程約耗時30分鐘,而利用取卵針直接吸取卵細胞且頻繁的移動卵細胞也很容易對卵細胞產生傷害。因此本研究開發一種三維結構微流體晶片,提出了一個漸擴流場的機制能夠以更溫和的方式分選出高效能精子,同時提出液體交換系統用以完成卵子透明帶去除過程並且一次固定多顆卵細胞位置,並以置換流體的方式代替轉移卵子的過程,且此晶片可以將檢體(精子和卵子)前置處理作業時間簡化至只約需30分鐘。本研究利用高分子材料(PDMS)做為晶片材料,除了生物相容性高,外觀透明適合於醫學檢測、價格較低,晶片製作方便,這些優點將有效降低以往人工試管嬰兒檢體製備所需時間以及成本。
This paper proposes an integrated microfluidic sperm sorting and oocyte incubation system for high efficient in-vitro fertilization application. The device consists of a high-quality sperm sorter and an oocytes zona-removal incubation device interconnected on a 3D IVF chip for promoting the successful rate and the efficiency of In-vitro fertilization (IVF). The chip can select high portion of high-quality sperms and carry out zona-removal process gently simultaneously in thirty minutes. Experiment results showed this chip not only provides an easier and faster procedure to sort out motile sperms, better preserves the viability of zona-free oocytes, and successfully fertilizes the oocytes even grows to two cells.
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