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Gold nanoparticles densely modified with single-stranded DNA (ssDNA-AuNPs) form aggregates with cross-linker ssDNAs via duplex formation. Alternatively, the ssDNA-AuNPs are spontaneously aggregated(More)
PEGylated gold nanoparticles (diameter: 20 nm) possessing various functionalities of lactose ligand on the distal end of tethered PEG ranging from 0 to 65% were prepared to explore the effect of(More)