Preparation, structural, and optical features of two-dimensional cross-linked DNA/gold-nanoparticle conjugates

被引:4
作者
Noyong, Michael
Ceyhan, Buelent
Niemeyer, Christof M.
Simon, Ulrich
机构
[1] Rhein Westfal TH Aachen, Inst Inorgan Chem, D-52074 Aachen, Germany
[2] Univ Dortmund, Fachbereich Chem, D-44227 Dortmund, Germany
关键词
DNA; nanoparticles; self-assembly; optical properties;
D O I
10.1007/s00396-006-1518-3
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The formation and the optical features of two-dimensional aggregates formed by DNA-directed immobilization and cross-linking of bifunctional DNA-gold nanoparticles at flat gold substrates are analyzed. The samples are structurally characterized by atomic force microscopy to evaluate the particle size, the particle densities, and the degree of aggregation. The optical characteristics determined by UV/visible measurements are correlated with the structural features observed.
引用
收藏
页码:1265 / 1273
页数:9
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