Modifications on DNA

By comparison with our previous work on MYKO 63 we surveyed in the first 

Step the 1000-1500 cm area of Figs. 47A and 47B in order to detect what bases are affected or not upon complexation. Thus, we noticed the following points. 

For this purpose, we cleaned the lower than 1000 cm and higher than 1500 cm areas by subtracting the Raman spectrum of the solvent (see Analysis Methods) in order to make some possible modifications of the sugar-phosphate part of DNA upon complexation conspicuous. Furthermore, we could expect to refine the nature of the weak interactions of SOAz with DNA b s by observing the low frequencies characteristic of these bases. 

Within the low frequencies area, the main effects are as follows. 

The greatest AI values are exhibited by the 1016-cm line (28%) and mainly by the 900-cm line (34%) which were assigned to a mixing of stretching modes of 

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