Materials and Reagents
Citrate-stabilized AuNPs (dcore = 5 nm) were purchased
from Nanocomposix (San Diego, California). All DNA samples
were purchased from Integrated DNA Technologies (Coralville,
Iowa). DNA sequences were purified by either the
standard desalting method or HPLC. “Quant-It” OliGreen
ssDNA Assay kits were purchased from Thermo Fisher Scientific
(Grand Island, NY). 50 kDa spin column purification
membranes were purchased from Millipore (Darmstadt, Germany