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# Biomolecules; Laser-safe Gold

## Appears In

                        - Nonstick and Laser-safe Gold Aids Laser Trapping of Biomolecules

The gold posts in this colorized micrograph, averaging 450 nanometers in diameter, are used to anchor individual biomolecules such as DNA for studies of their mechanical properties. The background surface is glass coated with a protein to prevent unwanted sticking.

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June 16, 2009

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