Restriction mapping in nanofluidic devices

被引:181
作者
Riehn, R [1 ]
Lu, MC
Wang, YM
Lim, SF
Cox, EC
Austin, RH
机构
[1] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA
[2] Princeton Univ, Dept Biol Mol, Princeton, NJ 08544 USA
关键词
D O I
10.1073/pnas.0503809102
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
We have performed restriction mapping of DNA molecules using restriction endonucleases in nanochannels with diameters of 100-200 rim. The location of the restriction reaction within the device is controlled by electrophoresis and diffusion of Mg2+ and EDTA. We have successfully used the restriction enzymes Smal, Sad, and Pacl, and have been able to measure the positions of restriction sites with a precision of approximate to 1.5 kbp in 1 min using single DNA molecules.
引用
收藏
页码:10012 / 10016
页数:5
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