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Contact: Michael E. Newman
National Institute of Standards and Technology (NIST)

DNA Sieve -- Nanoscale Pores Can Be Tiny Analysis Labs

Caption: Graphic showing a lipid bilayer membrane (blue) with an alpha-hemolysin nanopore. A polyethylene glycol molecule (green globular structure) is transiting the pore; others are in solution on one side of the membrane. The colored spheres represent individual atoms, and are approximately 0.5 nanometers in diameter, or one twenty-thousandth the width of a human hair.

Credit: NIST

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