Fig. (3)
UV absorption spectra of ctDNA (50 μM), compound
1A
(
A
),
1B
(
B
),
2A
(
C
) and
2B
(
D
) (20 μM) and the mixture of ctDNA and chalcone compounds (50 μM; 20 μM) in Tris-HCl buffer (pH 7.4).
