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. (1373). THERMODYNAMIC STUDIES ON THE INTERACTION BETWEEN DODECYL TRIMETHYL AMMONIUM BROMIDE AND HISTONE H A. , 5(1), -.
. "THERMODYNAMIC STUDIES ON THE INTERACTION BETWEEN DODECYL TRIMETHYL AMMONIUM BROMIDE AND HISTONE H A". , 5, 1, 1373, -.
. (1373). 'THERMODYNAMIC STUDIES ON THE INTERACTION BETWEEN DODECYL TRIMETHYL AMMONIUM BROMIDE AND HISTONE H A', , 5(1), pp. -.
. THERMODYNAMIC STUDIES ON THE INTERACTION BETWEEN DODECYL TRIMETHYL AMMONIUM BROMIDE AND HISTONE H A. , 1373; 5(1): -.

THERMODYNAMIC STUDIES ON THE INTERACTION BETWEEN DODECYL TRIMETHYL AMMONIUM BROMIDE AND HISTONE H A

Journal of Sciences, Islamic Republic of Iran
مقاله 2، دوره 5، شماره 1، شهریور 1994    اصل مقاله (219.53 K)
چکیده
The thermodynamic parameters of interaction between calf thymus histone
H A and dodecyl trimethyl ammonium bromide (DTAB), a cationic surfactant,
in aqueous solutions of pH 3.2, 6.4 and 10.0 were measured over a wide range
of DTAB concentrations by equilibrium dialysis at 27°C and 37°C and are
discussed. The data are used to determine the free energy from the Wyman
binding potential theoretical model, and the enthalp y of interaction from the
temperature dependence of the equilibrium constants using the van't Hoff relation.
The data obtained for H A-DTAB are compared with the corresponding
data for H A and sodium n-dodecyl sulphate (SDS) complexes. The difference
between the cationic and anionic surfactants interaction in regard to histone
H A is discussed
عنوان مقاله [English]
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چکیده [English]
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