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Award Abstract #0103215
Nano Initiative: The Single-Molecule DNA Transistor
| NSF Org: |
CCF
Division of Computer and Communication Foundations
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| Initial Amendment Date: |
September 7, 2001 |
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| Latest Amendment Date: |
September 7, 2001 |
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| Award Number: |
0103215 |
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| Award Instrument: |
Standard Grant |
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| Program Manager: |
Mitra Basu
CCF Division of Computer and Communication Foundations
CSE Directorate for Computer & Information Science & Engineering
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| Start Date: |
September 15, 2001 |
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| Expires: |
August 31, 2003 (Estimated) |
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| Awarded Amount to Date: |
$100000 |
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| Investigator(s): |
Lydia Sohn sohn@me.berkeley.edu (Principal Investigator)
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| Sponsor: |
Princeton University
Off. of Research & Proj. Admin.
Princeton, NJ 08544 609/258-3090
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| NSF Program(s): |
QuBIC
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| Field Application(s): |
0000099 Other Applications NEC
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| Program Reference Code(s): |
HPCC, 9218, 1676
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| Program Element Code(s): |
1708
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ABSTRACT
EIA-0103215
Lydia Sohn
Princeton University
Nano Exploratory Research: The Single-Molecule DNA Transfer
The focus of this project is to investigate the possibility of using single molecules of DNA for molecular-based electronic devices. Recent results of single-molecule DNA transistor shows a Coulomb Blockade Staircase and a gate-voltage dependence of the conductance enabling reliable and reproducible conducting DNA devices. This project is furthering this work to investigate the mechanism for DNA conduction and its dependence on various chemical and structural parameters. The single-molecule DNA transistor is being further investigated too understand the mechanism by which DNA conducts. Various questions such as dependence of conductivity of DNA to length and sequence; differences in conductivity between single-stranded and doubled-stranded DNA; dependence of the conduction in DNS to salts from the buffer solution; where are possible scattering centers located in the DNA molecule? Answers to such fundamental questions are expected to lead to a number of future novel molecular-scaled DNA-based electronic devices.
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