Table 2. Enzymatic stability^a and T_m data^b of oligomers I and II.

Entry	Duplex	t1/2 (min)	Henzym.c (%)	Tm (°C)	ΔTm/mod. (°C)	Hdenat.d (%)
1	I/d(A)14	>30.0	n.d.e	36.6	–0.12	7.5
2	II/d(A)14	>30.0	n.d.	<20.0		n.d.
3	d(T)14/d(A)14	2.5	23.0	38.2		18.7

^aMeasured in 0.1 M Tris–HCl, pH 8.6, 0.1 M NaCl, 14 mM MgCl₂. [c]_oligomer 1 µM.

^bMeasured in 10 mM Na₂HPO₄, pH 7.2, 0.14 M NaCl, 1.0 mM EDTA. [c]_tol 4 µM. Absorbance detected at 260 nm.

^cEnzymatic hyperchromicity.

^dDenaturation hyperchromicity.

^en.d., not detected.