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[接近0K时螺旋态和卷曲态DNA焓的差异]

[Difference in DNA enthalpies in the helical and coiled states near 0 K].

作者信息

Mrevlishvili G M, Kakabadze G R

出版信息

Biofizika. 1993 Mar-Apr;38(2):253-6.

PMID:8485181
Abstract

On the basis of experimental data of DNA heat capacity in a wide range of temperatures the fundamental characteristics of DNA-H(0)0-the enthalpy of helix coil transition at 0(0)K were estimated. H(0)0 = 8.41 +/- 1.6 kJ/MBP. It was shown that a deviation from Nernst theorem (resulting from metastability of the system) was not obtained within the range of experimental error.

摘要

基于在很宽温度范围内DNA热容量的实验数据,估算了DNA-H₂O体系的基本特征——0K时螺旋-线团转变的焓。H₀₀ = 8.41±1.6 kJ/MBP。结果表明,在实验误差范围内未观察到与能斯特定理的偏差(由体系的亚稳性导致)。

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