DNA-mediated electrostatic assembly of gold nanoparticles into linear arrays by a simple drop-coating procedure
Metadata of CSIR Papers
View Archive Info| Field | Value | |
| Title |
DNA-mediated electrostatic assembly of gold nanoparticles into linear arrays by a simple drop-coating procedure
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| Creator |
Sastry, M
Kumar, A Datar, S Dharmadhikari, CV Ganesh, KN |
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| Subject |
Physics, Applied
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| Description |
The assembly of nanoparticles in topologically predefined superstructures is an important problem in the area of nanoscale architecture. In this letter, we demonstrate the electrostatic assembly of lysine-capped colloidal gold particles on drop-coated DNA films. Electrostatic interaction between the positive charges on the gold nanoparticles and the negative charges on the phosphate groups of the DNA template molecules leads to the assembly of the gold nanoparticles in linear superstructures. The use of DNA as templates for the assembly of nanoparticles shows promise for extension to more complex geometries through rational design of the DNA base sequences as well as in the realization of nanowires by stringing together metal nanoparticles. (C) 2001 American Institute of Physics.
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| Publisher |
AMER INST PHYSICSMELVILLE2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
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| Date |
2011-09-24T08:48:09Z
2011-09-24T08:48:09Z 2001 |
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| Type |
Article
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| Identifier |
APPLIED PHYSICS LETTERS
0003-6951 http://hdl.handle.net/123456789/24080 |
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| Language |
English
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