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題 名 | Design of Microscopy-based Microcontact Printing Stamp and Alignment Device for Patterned Neuronal Growth=研發控制神經細胞生長之顯微鏡外接式微米壓印母模及對準機構之研發 |
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作 者 | 林淑萍; 莊琮亮; 陳家進; 曾淑芬; | 書刊名 | Journal of Medical and Biological Engineering |
卷 期 | 24:1 2004.03[民93.03] |
頁 次 | 頁45-50 |
分類號 | 368 |
關鍵詞 | 微米壓印; 細胞生長; 親細胞性; 斥細胞性; 微米壓印機構; Microcontact printing; Neuron growth; Cytophilic; Cytophobic; Microscopy; |
語 文 | 英文(English) |
中文摘要 | 在神經科學的研究中,為了要解釋神經元所表現之行為,必須將神經細胞培養在經過處理的基材表面,使其於平面空間上形成所規劃的幾何生長分布。最近幾年來有許多微米壓印技術的研究發展,使得細胞可以沿著所設計之幾何圖案生長。此文主要訴求在於發展便宜、且實用的儀器,將細胞黏著因子的案紋印於基材平面上的預定位置,以用來主導神經細胞於平面空間的幾何生長位置分布。利用微機電製程所製造的戳印,可將沾有右旋光性的聚離胺酸(poly-D-lysine)轉印在所要的基材表面,如玻璃,及感光型聚亞醯胺(polyimide),用以規劃出親細胞性(cytophilic)區域。再將印有聚離胺酸的基材,浸在胎牛血清白蛋白以規劃出斥細胞性(cytophobic)區域。在我們的研究中,提供聚離胺酸的有效轉印濃度及微壓印程序的方法,以形成可主導細胞生長分佈及方向的案紋。 |
英文摘要 | To culture neuronal cells grown in a geometric pattern on a modified substrate plate is essential to understand the neuronal cell behavior. Recent studies have made it possible to control neuronal cell positioning as well as outgrowth by using the microcontact printing technique. The aim of this study was to design an inexpensive microscopy-based microcontact printing device for aligning the pattern to the substrate for guiding neuronal growth. In the study, the microfabrication of the microcontact printing stamp was used to define the cytophilic region by transferring poly-D-lysine (PDL), cell adhesion substrate, to glass or photosensitive polyimide. The cytophobic region was then developed by immersing the printed PDL substrate in bovine serum albumin (BSA). Our study examines the concentrations of PDL to form cytophilic region and provides a microcontacting scheme to produce a reliable structural pattern on the substrate. |
本系統中英文摘要資訊取自各篇刊載內容。