1:1电解质中B-Z DNA构象转变：对抗衡离子大小的依赖性。
B-Z DNA conformational transition in 1:1 electrolytes: dependence upon counterion size.
作者信息
Soumpasis D M, Robert-Nicoud M, Jovin T M
出版信息
FEBS Lett. 1987 Mar 23;213(2):341-4. doi: 10.1016/0014-5793(87)81519-3.
PMID:3556586
Abstract
We have studied the B-Z transition of poly[d(G-C)] in the presence of alkali metal, tetramethylammonium and tetraethylammonium chlorides at room temperature. The measured critical salt concentrations increase in the order Na, K, Rb, TMA, Cs and are in good agreement with the theoretical values predicted from a statistical-mechanical treatment of the transition.
摘要
我们研究了室温下在碱金属、四甲基氯化铵和四乙基氯化铵存在下聚[d(G-C)]的B-Z转变。测得的临界盐浓度按Na、K、Rb、TMA、Cs的顺序增加，并且与从该转变的统计力学处理预测的理论值高度吻合。
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