Journal
ADVANCED MATERIALS
Volume 25, Issue 20, Pages 2779-2783Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201204864
Keywords
DNA; patchy particles; self-assembly; anisotropic function; thermal-reversibility
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Funding
- NSF through the NYU MRSEC [DMR-0820341]
- NIGMS [GM-29554]
- ONR [N00014-11-1-0729]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1105417] Funding Source: National Science Foundation
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A simple and effective way to make DNA patchy particles is reported. A small patch of DNA strands is stamped from a gold surface onto colloidal particles of different sizes by streptavidin-biotin bonds. These DNA patchy particles provide direction-selective and thermoreversible interactions, and hence can lead to unique assembly protocols and structures controlled by temperature.
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