Fig. 2: Properties of CytAib conjugated to SWNT-PM.

a Diagram of SWNT-PM-Peptide showing the thiol conjugation of each peptide to the maleimide groups on the SWNT surface. b DNA-binding abilities of SWNT-PM-CytAib and SWNT-PM-CytAibKH9. c Representative AFM image of SWNT-PM-CytAibKH9 cast on a graphite substrate. d Quantification of the AFM profiles of SWNT, SWNT-PM and SWNT-PM-Peptide NCs recorded on a graphite substrate (n = 20)