使用图案化纳米孔的多核苷酸的随机感测
Stochastic sensing of polynucleotides using patterned nanopores
摘要：
利用Langevin动力学模拟研究了孔的微观结构对聚合物迁移的影响，并考察了在孔内引入图案化粘性的后果。据发现，易位过程是非常敏感的详细结构，这样的模式与易位时间的粘性的孔隙比指数依赖。移位过程的随机性导致具有不同序列的聚合物如何穿过特定图案的孔之间存在明显差异。这个概念是用来提出一个随机传感协议的多核苷酸，它表明，该方法，这将是显着快于现有的方法，可以任意强大。
英文摘要：
The effect of the microscopic structure of a pore on polymer translocation is studied using Langevin dynamics simulation, and the consequence of introducing patterned stickiness inside the pore is investigated. It is found that the translocation process is extremely sensitive to the detailed structure of such patterns with faster than exponential dependence of translocation times on the stickiness of the pore. The stochastic nature of the translocation process leads to discernable differences between how polymers with different sequences go through specifically patterned pores. This notion is utilized to propose a stochastic sensing protocol for polynucleotides, and it is demonstrated that the method, which would be significantly faster than the existing methods, could be made arbitrarily robust.
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