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Chung, Sung-Wook; Ginger, David S.; Morales, Mark W.; Zhang, Zhengfan; Chandrasekhar, Venkat; Ratner, Mark A.; Mirkin, Chad A.
Small (Weinheim an der Bergstrasse, Germany), January, 2005, Letnik: 1, Številka: 1Journal Article
Nanoscale electrode junctions have been selectively functionalized with specific oligonucleotide sequences using dip‐pen nanolithography (see picture). These sequences direct the assembly of electrical circuits containing 20‐ and 30‐nm‐diameter DNA‐modified nanoparticles so that junctions bridged by single nanoparticles can be realized. Different nanoparticle types can be directed to specific junctions on a single chip through solution‐phase bottom‐up assembly.
