Gold nanoparticles are selectively patterned into nanoarrays by using a punched DNA origami scaffold with nanometer-sized periodical wells. By simply adding unmodified gold nanoparticle into the solution of the punched origami scaffold, exactly one particle is captured selectively in a thiolated well. The capture is completely chemoselective such that an alternating streptavidin/gold nanoparticle heteroarray with a 26 nm period is successfully prepared.
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Kuzuya et al. (2010) studied this question.
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