Self-Assembly of Conjugated Polymers and ds-Oligonucleotides Directed Fractal-like Aggregates
Biomacromolecules2007Vol. 8(5), pp. 1723–1729
Citations Over TimeTop 20% of 2007 papers
Haiyang Gan, Yuliang Li, Huibiao Liu, Shu Wang, Cuihong Li, Mingjian Yuan, Xiaofeng Liu, Chunru Wang, Lei Jiang, Daoben Zhu
Abstract
Highly ordered nanostructures between conjugated polymers and ds-oligonucleotides have been first fabricated by simply controlling the self-assembly processes, which shows a novel concept for fabricating fractal-like structures. The formation of polymer/DNA fractal-like aggregates is a diffusion-limited aggregation (DLA) process. The fractal dimension is independent of the polymer/DNA concentration but only related to the polymer/DNA charge ratio. More interestingly, the different fluorescent resonance energy transfer (FRET) behavior between the polymer and the DNA can be used to distinguish dsDNA from ssDNA.
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