A macrocyclic bis-acridine shifts the equilibrium from duplexes towards DNA hairpins. - A. Slama-Schwok; F. Peronnet; E. Hantz-Brachet; E. Taillandier; M.-P. Teulade-Fichou; J.-P. Vigneron; M. Best-Belpomme; J.-M. Lehn (Nucleic Acids Res., 1997)