Higher-order Conformations of DNA Are Useful as Templates to Create Various Superstructural Poly(pyrrole) Morphologies

It was found that plasmid DNA can act as an attractive template for oxidative polymerization of pyrrole and result in the novel higher-order superstructures composed of the conductive polymers. The TEM and SEM observation estabilished that poly (pyrrole) grows up to nanosized rod-like, circular, and supercoiled structures reflecting the higher-order conformation of plasmid DNA. The obtained polymer structures are drastically changed reflecting the controlled DNA morphologies used as their templates.