Description_x000D_ Application_x000D_ Polydeoxyadenylic acid • Polythymidylic acid (Poly(dA) • Poly(dT)) is a double-stranded homopolymer use as a DNA model for conformational studies of DNA structure dynamics and drug interaction._x000D_ Other Notes_x000D_ Double-stranded homopolymer_x000D_ Unit Definition_x000D_ One unit will yield an A260 of 1.0 in 1.0 ml 20 mM sodium phosphate/100 mM NaCl, pH 7.0