Adsorption of nucleic acid bases and amino acids on single-walled carbon and boron nitride nanotubes: a first-principles study.
We study the adsorptions of nucleic acid bases adenine (A), cytosine (C), guanine (G), thymine (T), and uracil (U) and four amino acids phenylalanine, tyrosine, tryptophan, alanine on the single-walled carbon nanotubes (SWCNTs) and boron nitride nanotubes (SWBNNTs) by using density functional theory. We find that the aromatic content plays a critical role in the adsorption. The adsorptions of nucleic acid bases and amino acids on the (7, 7) SWBNNT are stronger than those on the (7, 7) SWCNT. Oxidative treatment of SWCNTs favors the adsorption of biomolecules on nanotubes.
Zheng
Jiaxin
J
State Key Laboratory for Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871, PR China.
Song
Wei
W
Wang
Lu
L
Lu
Jing
J
Luo
Guangfu
G
Zhou
Jing
J
Qin
Rui
R
Li
Hong
H
Gao
Zhengxiang
Z
Lai
Lin
L
Li
Guangping
G
Mei
Wai Ning
WN