Research Article

Synthesis, Spectroscopic Characterization and Biological Activities of Transition Metal Complexes Derived from a Tridentate Schiff Base

Figure 11

Statistics of various possible weak intermolecular hydrogen bonds present between DNA and metal complexes.
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(a) DNA—Co complex
260358.fig.0011b
(b) DNA—Cu complex
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(c) DNA—No complex
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(d) DNA—Zn complex