Linear Superclusters of Colloidal Gold Particles by Electrostatic Assembly on DNA Templates

The organization of nanoparticles into superstructures of predefined geometry is an important challenge in the area of nanoscale architecture. Attractive Coulombic interaction between positively charged amine groups on gold particle surfaces and negatively charged phosphate backbones of DNA molecule...

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Bibliographic Details
Published inAdvanced materials (Weinheim) Vol. 13; no. 5; pp. 341 - 344
Main Authors Kumar, A., Pattarkine, M., Bhadbhade, M., Mandale, A. B., Ganesh, K. N., Datar, S. S., Dharmadhikari, C. V., Sastry, M.
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag GmbH 01.03.2001
WILEY‐VCH Verlag GmbH
Subjects
Colloidal particles
DNA
Electrostatic assembly
Gold
Supercluster
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Summary:The organization of nanoparticles into superstructures of predefined geometry is an important challenge in the area of nanoscale architecture. Attractive Coulombic interaction between positively charged amine groups on gold particle surfaces and negatively charged phosphate backbones of DNA molecules (see Figure) drives the self‐assembly of gold nanoparticles into linear supercluster structures.
Bibliography:istex:87FC62BE27078424C8584B0FF7D252B04F7EDCF3
ArticleID:ADMA341
ark:/67375/WNG-73XVGDXN-M
ISSN:0935-9648
1521-4095
DOI:10.1002/1521-4095(200103)13:5<341::AID-ADMA341>3.0.CO;2-X