Optical recognition of converted DNA nucleotides for single-molecule DNA sequencing using nanopore arrays.

Optical recognition of converted DNA nucleotides for single-molecule DNA sequencing using nanopore arrays.
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DOI:
10.1021/nl1012147
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发表时间:
2010-06-09
期刊:
影响因子:
10.8
通讯作者:
Meller A
Meller A
中科院分区:
材料科学1区
文献类型:
--
作者:
McNally B;Singer A;Yu Z;Sun Y;Weng Z;Meller A

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我们证明了基于纳米孔的单分子DNA测序方法的可行性,该方法采用多色读出。靶DNA根据二进制代码进行转换,该二进制代码由具有两种类型荧光团的分子信标识别。然后使用固态纳米孔依次剥离信标,导致一系列可检测的光子爆发,以高速进行。我们表明,可以同时检测到来自多个纳米孔的信号,从而可以直接并行化到大的纳米孔阵列。
We demonstrate the feasibility of a nanopore based single-molecule DNA sequencing method, which employs multi-color readout. Target DNA is converted according to a binary code, which is recognized by molecular beacons with two types of fluorophores. Solid-state nanopores are then used to sequentially strip off the beacons, leading to a series of detectable photon bursts, at high speed. We show that signals from multiple nanopores can be detected simultaneously, allowing straightforward parallelization to large nanopore arrays.
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