pH-driven conformational switch of "i-motif" DNA for the reversible assembly of gold nanoparticles.
Herein we demonstrate that gold nanoparticles conjugated to "i-motif" DNA behave like a pH dependent switch that undergoes reversible aggregations which can be easily visualized by the naked eye.
Sharma
Jaswinder
J
Department of Chemistry & Biochemistry and Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA.
Chhabra
Rahul
R
Yan
Hao
H
Liu
Yan
Y
D001483:Base Sequence; D004247:DNA / Q000737:chemistry*; D006046:Gold / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D053758:Nanoparticles / Q000737:chemistry*; D009690:Nucleic Acid Conformation
D006046:Gold; D004247:DNA