NMR Studies of Artificial Double-Crossover DNA Tiles
- Authors
- Veerapandian, Murugan; Kim, Byeonghoon; Amin, Rashid; Lee, Junwye; Yun, Kyusik; Park, Sung Ha
- Issue Date
- Mar-2012
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- DNA; NMR; COSY; B-DNA; Self-Assembly
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.12, no.3, pp.2300 - 2310
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 12
- Number
- 3
- Start Page
- 2300
- End Page
- 2310
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/16568
- DOI
- 10.1166/jnn.2012.5738
- ISSN
- 1533-4880
- Abstract
- This report documents the design and characterization of DNA molecular nanoarchitectures consisting of artificial double crossover DNA tiles with different geometry and chemistry. The Structural characterization of the unit tiles, including normal, biotinylated and hairpin loop structures, are morphologically studied by atomic force microscopy. The specific proton resonance of the individual tiles and their intra/inter nucleotide relationships are verified by proton nuclear magnetic resonance spectroscopy and 2-dimensional correlation spectral studies, respectively. Significant up-field and down-field shifts in the resonance signals of the individual residues at various temperatures are discussed. The results suggest that with artificially designed DNA tiles it is feasible to obtain structural information of the relative base sequences. These tiles were later fabricated into 2D DNA lattice structures for specific applications such as protein arrangement by biotinylated bulged loops or pattern generation using a hairpin structure.
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