This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Biomolecules Lasersafe Gold . The gold posts in this colorized micrograph averaging 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 protein to prevent unwanted sticking Credit Paik Disclaimer Any mention of commercial