Figure 6
From: Theoretic Study on Dispersion Mechanism of Boron Nitride Nanotubes by Polynucleotides

Density of phosphorus atoms and oxygen atoms in phosphate group and nitride atoms in base on the x-y plane of BNNT(9, 9) in different systems: (a) A15; (b) T15; (c) C15 and (d) G15.