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Original Articles

DNA Intercalation and Photoinduced Cleavage by 4-Nitro(N-Hexylamine)1,8-Naphthalimide

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Pages 963-978 | Received 25 Jul 1993, Accepted 11 Nov 1993, Published online: 24 Sep 2006
 

Abstract

A novel intercalator, 4-nitro(N-hexylamine)1,8-naphthalimide, was synthesised and its DNA binding and photoinduced DNA cleavage properties were studied. The DNA unwinding results show that it binds through intercalation. Absorption and fluorescence spectroscopy reveal the preference for A/T base pairs as compared to G/C base pairs for the binding. The intercalator produces photoinduced single strand scissions in double helical DNA.

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