Structure and switching of single-stranded DNA tethered to a charged nanoparticle surface

Zhao Xin-Jun^{1, 2, †,}, Gao Zhi-Fu³

Electrostatic potential as a function of the distance from the nanoparticle surface at different temperatures. The number of segments of the ssDNA chains is N = 40. The grafting density is σ = 0.5 nm⁻².