Stacked view of FTIR spectra of (AGAGACCAGAGA)2 duplex (a) and its complexes with amsacrine at different molar ratios (r) of 1/50 (b), 1/20 (c) and 1/10 (d).

<p>Stacked view of FTIR spectra of (AGAGACCAGAGA)2 duplex (a) and its complexes with amsacrine at different molar ratios (r) of 1/50 (b), 1/20 (c) and 1/10 (d).</p

Stacked view of FTIR spectra of (TTAATTAATTAA)2 duplex (a) and its complexes with amsacrine at different molar ratios (r) of 1/50 (b), 1/20 (c) and 1/10 (d).

<p>Stacked view of FTIR spectra of (TTAATTAATTAA)2 duplex (a) and its complexes with amsacrine at different molar ratios (r) of 1/50 (b), 1/20 (c) and 1/10 (d).</p

Stacked view of FTIR spectra of (ATATATATATAT)2 duplex (a) and its complexes with amsacrine at different molar ratios (r) of 1/50 (b), 1/20 (c) and 1/10 (d).

<p>Stacked view of FTIR spectra of (ATATATATATAT)2 duplex (a) and its complexes with amsacrine at different molar ratios (r) of 1/50 (b), 1/20 (c) and 1/10 (d).</p

Stacked view of FTIR spectra of ctDNA (a) and its complexes with amsacrine at different molar ratios (r) of 1/50 (b), 1/20 (c) and 1/10(d).

<p>Stacked view of FTIR spectra of ctDNA (a) and its complexes with amsacrine at different molar ratios (r) of 1/50 (b), 1/20 (c) and 1/10(d).</p

Stacked view of FTIR spectra of (AAAAAAAAAAAA)2 duplex (a) and its complexes with amsacrine at different molar ratios (r) of 1/50 (b), 1/20 (c) and 1/10 (d).

<p>Stacked view of FTIR spectra of (AAAAAAAAAAAA)2 duplex (a) and its complexes with amsacrine at different molar ratios (r) of 1/50 (b), 1/20 (c) and 1/10 (d).</p

Overlaid view of second derivative spectra of ctDNA and duplexes with their complexes of amsacrine at molar ratio of 1/10 (drug/nucleotide).

<p>Panel 1: ctDNA (blue) and complex (red), Panel 2: (AAAAAAAAAAAA)2 (blue) and complex (red) (b), Panel 3: (ATATATATATAT)2 (blue) and complex (red), Panel 4: (TTAATTAATTAA)2 (blue) and complex (red), Panel 5: (AGAGCAACAGAG)2 (blue) and complex (red), Panel 6: (AGAGACCAGAGA)2 (blue) and complex (red).</p