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. 2008 May 31;19(6):1309–1312. doi: 10.1021/bc8001248

Table 1. Characterization of Aptamer−Gold Conjugates.

  hydrodynamic size (diameter), nm number of oilgonucleotide per Au nanoparticle
bare Au nanoparticle 19.3 ± 0.6 N/A
Au nanoparticle + aptamer capture oilgonucleotide 25.5 ± 1.2 376 ± 25 (aptamer capture)
Au nanoparticle + aptamer capture oilgonucleotide + anti-PSMA aptamer 39.6 ± 3.8 213 ± 12 (anti-PSMA aptamer)