Copyright information:Taken from "Investigation of spectral conversion of d(TTAGGG) and d(TTAGGG) upon potassium titration by a G-quadruplex recognizer BMVC molecule"Nucleic Acids Research 2007;35(9):2846-2860.Published online 11 Apr 2007PMCID:PMC1888807.© 2007 The Author(s) () The post-stained gels after 10 μM BMVC post-staining with the same gels for 10 s. () The pre-stained gels and () UV shadowing of the BMVC incubated with DNA of H22, H24, H24-B, and H26 (lanes 1–4) and the mixture of H26 with each H22, H24-B, and H24 (lanes 5–7) for 10 min in the presence of K. (F) The post-stained gels after 10 μM BMVC post-staining with the same gels for 10 s.