Stacking of Phenothiazine Dyes on Polydeoxyribonucleotides: absorption, LD and CD TuiteE 2018 Absorption, linear dichroism, and circular dichroism data for thionine, methylene blue, and azure B bound to calf-thymus DNA, poly(deoxyadenylic).poly(deoxythymidylic) acid, and poly(deoxyguanylic).poly(deoxycytidylic) acid at high binding ratios where DNA-induced aggregation occurs