title: Role of the solvent medium in the stabilization of helical poly(rU) by polyamines.
mesh_terms: D001665:Binding Sites; D002021:Buffers; D004355:Drug Stability; D006358:Hot Temperature; D009690:Nucleic Acid Conformation; D009691:Nucleic Acid Denaturation; D010179:Pancreas / Q000201:enzymology; D011072:Poly U; D012260:Ribonucleases; D012964:Sodium; D012997:Solvents; D013056:Spectrophotometry, Ultraviolet; D013095:Spermidine; D013696:Temperature; D014325:Tromethamine; D014461:Ultracentrifugation
chemical_list: D002021:Buffers; D012997:Solvents; D014325:Tromethamine; D011072:Poly U; D012964:Sodium; D012260:Ribonucleases; D013095:Spermidine