Thin films formed from salmon sperm DNA reacted with a cationic surfactant (CTMA-Cl) included up to 25 wt % fluorescent molecule sulforhodamine (SRh). SRh effect on DNA chirality and vice versa was investigated by circular dichroism (CD) spectroscopy. The CD signals at 250-265 nm indicate that DNA chirality was maintained or enhanced. Induced CD (iCD) signal at 580-610 nm indicates that SRh is chiral in DNA/CTMA. iCD signal from both ...
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