Nanogap field-effect transistor biosensors for electrical detection of avian influenza.

@article{Gu2009NanogapFT,
  title={Nanogap field-effect transistor biosensors for electrical detection of avian influenza.},
  author={Bonsang Gu and Tae Jung Park and Jae-Hyuk Ahn and Xing-Jiu Huang and Sang Yup Lee and Yang-Kyu Choi},
  journal={Small},
  year={2009},
  volume={5 21},
  pages={
          2407-12
        }
}
Field-effect transistor (FET)-type biosensors have shown potential for use in label-free electrical detection with high sensitivity. An ion-selective FET (ISFET) utilizes a reference electrode in the form of an aqueous solution. Its conductance is dependent on charged species on the surface of the ISFET. The sensitivity of nanowire FETs (NWFETs) is high enough to enable single-molecule detection due to the high surface-tovolume ratio of the nanowires, although the operational principle of… CONTINUE READING
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