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首页> 外文期刊>Electrophoresis: The Official Journal of the International Electrophoresis Society >High-resolution pluronic-filled microchip CE-SSCP analysis system via channel width control
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High-resolution pluronic-filled microchip CE-SSCP analysis system via channel width control

机译:通过通道宽度控制的高分辨率充填了普朗尼克的微芯片CE-SSCP分析系统

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摘要

Although the resolution of CE-SSCP has been significantly improved by using a poly(ethyleneoxide)-poly(propyleneoxide)-poly(ethyleneoxide) (PEO-PPO-PEO; Pluronic (R)) triblock copolymer as a separationmedium, CE-SSCP on a microchip format is not widely applicable because their resolution is limited by short channel length. Therefore, a strategy to improve the resolution in channels of limited lengths is highly required for enabling microchip-based CE-SSCP. In this study, we developed a high-resolution CE-SSCP microchip system by controlling the width of the pluronic-filled channel. We tested four different channel widths of 180, 240, 300, and 400 mu m, and found that 300 mu m showed the highest resolution in the separation of two pathogen specific markers. Potential applications of our method in various genetic analyses were also shown by using SNP markers for spinal muscular atrophy.
机译:尽管通过使用聚(环氧乙烷)-聚(环氧丙烷)-聚(环氧乙烷)(PEO-PPO-PEO; Pluronic(R))三嵌段共聚物作为分离介质已显着提高了CE-SSCP的分离度,微芯片格式不能广泛应用,因为它们的分辨率受到短通道长度的限制。因此,为启用基于微芯片的CE-SSCP,迫切需要一种提高有限长度通道分辨率的策略。在这项研究中,我们通过控制普朗尼克填充通道的宽度,开发了高分辨率的CE-SSCP微芯片系统。我们测试了180、240、300和400微米的四个不同通道宽度,发现300微米在两种病原体特异性标记的分离中显示出最高的分辨率。通过使用SNP标记治疗脊髓性肌萎缩症,我们的方法在各种遗传分析中的潜在应用也得到了证明。

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