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The conformation change, binding mode and binding site between Al3+/nano-Al13 and calf thymus DNA/salmon sperm DNA were investigated by UV–vis absorption, FTIR spectra, Raman spectroscopy and CD spectra, as well as melting curves measurement. The UV–vis spectra and circular dichroism spectra results suggested that the phosphate group structure was changed when Al3+ interacted with DNA, while the double-helix...
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