title: Precollapse of T7 DNA by spermidine at low ionic strength: a linear dichroism and intrinsic viscosity study.
mesh_terms: D004279:DNA, Viral; D009690:Nucleic Acid Conformation; D009994:Osmolar Concentration; D013095:Spermidine; D013604:T-Phages; D014783:Viscosity
chemical_list: D004279:DNA, Viral; D013095:Spermidine