Case study: Single-stranded DNA

SPM image of M13 phage ssDNA deposited on HOPG obtained with HRC tip. Measured width of ssDNA is about 1.5 nm only.

Measurements were performed on Solver P47 BIO (NT-MDT Co.).

Image was obtained and kindly given by Dr. Dmitry Klinov, Shemyakin–Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences.