Single-biomolecule Circuits With Carbon Nanotube Wiring Brett Goldsmith Collins Lab Department of Physics and Astronomy John Coroneus and Greg Weiss Department.

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Presentation transcript:

Single-biomolecule Circuits With Carbon Nanotube Wiring Brett Goldsmith Collins Lab Department of Physics and Astronomy John Coroneus and Greg Weiss Department of Molecular Biology and Biochemistry

Overview: Creating a single-biomolecule circuit Device Preparation Electrically Measured Reactions First: Redox Reactions Second: Selective Reaction Third: Proteins

PMMA/PEG Source Drain Nanotube Devices R = 3M 

Electrochemical Oxidation of Nanotubes Mannik et al. PRL (2006) Goldsmith el al. Science (2007)

Oxidation Dynamics localization: session W26

Electrochemical Reduction of Nanotubes

Production of Carboxyl Groups by KMnO4 Goldsmith el al. Science (2007)

Selective Chemistry of Nanotubes functionalized nanotube in: buffer buffer with 10  M EDC

Protein Attached Circuits: Streptavidin Goldsmith el al. Science (2007)

Protein Attached Circuits: Lysozyme functionalized nanotube in: buffer buffer with enzyme substrate

Protein Attached Circuits: Lysozyme Enzyme without substrate Enzyme with substrate

Summary Dr. Phil Collins Brett Goldsmith Alex Kane Bucky Khalap Steve Hunt Danny Wan ACS-PRF Electrically Measured Reactions First: Redox Reactions Second: Selective Reaction Third: Proteins