DNA sensor based on FET is researched.

研究了基于场效应晶体管的DNA传感器。

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Research of functional DNA sensor will provide a new technical means for the detection of heavy metal ions, but these studies in laboratory have not reached the level of practical application.

功能DNA传感器检测的研究为重金属离子的快速检测提供了新的技术手段，但是这些仅限于实验室研究，还没有达到实际应用的水平。

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It slowly dawned on Rothberg that a sensor like that could be used for DNA sequencing.

FORBES: Magazine Article

Rothberg's contribution was to come up with a sensor that directly reads telltale electrical signals produced as DNA copies itself.

FORBES: Magazine Article