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 | Nanotech 2007 Vol. 2
Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 2
Chapter 6: Biosensors |
| | Label-Free Protein Nano-Biosensor Using Top-Down Fabrication | | Authors: | C.S. Ah, A. Kim, H.Y. Yu, C.-G. Ahn, J.-H. Yang, I.B. Baek, C.W. Park, M.S. Jun and S.J. Lee | | Affilation: | Electronics and Telecommunications Research Institute (ETRI), KR | | Pages: | 493 - 495 | | Keywords: | Si FET, nanosensor, top-down, PSA, electrical detection, protein | | Abstract: | A nanosensor of n-type Si field-effect transistor (FET) via “top-down method” was employed to monitor PSA with great selectivity and high sensitivity up to 10 pg/mL. When a biomaterial, negatively charged PSA, is introduced through a fluidic channel, the conductivity of FET is lowered than that in pure buffer solution from the n-type nature of nanochannel as a bionanosensor. The Si FET bionanosensor allows a real-time monitoring without any labeling, which indicates this electrical property originated from the specific binding between antibody and antigen. | | ISBN: | 1-4200-6183-6 |
| Pages: | 838 |
| Hardcopy: | $199.99 |
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