Contrasting Hydration Changes for Ethidium and Daunomycin Binding to DNA
β Scribed by Qu, Xiaogang; Chaires, Jonathan B.
- Book ID
- 127081443
- Publisher
- American Chemical Society
- Year
- 1999
- Tongue
- English
- Weight
- 30 KB
- Volume
- 121
- Category
- Article
- ISSN
- 0002-7863
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π SIMILAR VOLUMES
## Abstract Calorimetric titrations have been performed on the binding of ethidium and propidium to calf thymus DNA at temperatures in the 15β60Β°C range. Enthalpy changes (Ξ__H__~B~) derived from these experiments performed with the new Omega reaction calorimeter have a precision of Β±0.10 kcal/mol
## Synopsis Enthalpy changes ( A H , ) for the binding of ethidium (a monocation) and propidium (a dication) to calf thymus DNA have been determined calorimetrically in piperazine-N, N'-bis(Bethanesulfonic acid) buffer with the fluoride ion as the counterion. Heats of dilution for the fluoride sal