DENATURATION AND PROPAGATION OF THE LOCALIZED EXCITATION IN DNA

doi:10.1088/1004-423X/6/10/010

中国物理B ›› 1997, Vol. 6 ›› Issue (10): 780-787.doi: 10.1088/1004-423X/6/10/010

• • 上一篇

DENATURATION AND PROPAGATION OF THE LOCALIZED EXCITATION IN DNA

晏世伟¹, 吴锡真¹, 杨显俊², 卓益忠³

(1)China Institute of Atomic Energy, P O Box 275 (18), Beijing 102413, China; (2)China Institute of Atomic Energy, P O Box 275 (18), Beijing 102413, China, Deparment of Physics, Guizhou Institute for Nationalities, Guiyang 550025, China; (3)China Institute of Atomic Energy, P O Box 275 (18), Beijing 102413, China, Institute of Theoretical Physics, Academia Sinica, Beijing 100080, China

收稿日期:1996-12-16 出版日期:1997-10-20 发布日期:1997-10-20
基金资助:
Project supported by the National Natural Science Foundation of China and the Nuclear Industry and Science Foundation of China.

DENATURATION AND PROPAGATION OF THE LOCALIZED EXCITATION IN DNA

YANG XIAN-JUN (杨显俊)^ab, ZHUO YI-ZHONG (卓益忠)^ac, YAN SHI-WEI (晏世伟)^a, WU XI-ZHEN (吴锡真)^a

^a China Institute of Atomic Energy, P O Box 275 (18), Beijing 102413, China; ^b Deparment of Physics, Guizhou Institute for Nationalities, Guiyang 550025, China; ^c Institute of Theoretical Physics, Academia Sinica, Beijing 100080, China

Received:1996-12-16 Online:1997-10-20 Published:1997-10-20
Supported by:
Project supported by the National Natural Science Foundation of China and the Nuclear Industry and Science Foundation of China.

摘要/Abstract

摘要： The thermal denaturation and propagation of the localized excitation in desoxyribonucleic acid (DNA) molecules are studied in the unified way under a new Hamiltonian proposed in this work and the large amplitude motion of the DNA molecules is investigated during the propagation of the localized excitation. We discussed the nonlinear effect on the formation of the localized excitation, and showed that our model not only can reproduce the experimental results of the DNA thermal denaturation, but also can describe the process of the nonlinear localized excitation of fluctuational opening in DNA molecules.

Abstract: The thermal denaturation and propagation of the localized excitation in desoxyribonucleic acid (DNA) molecules are studied in the unified way under a new Hamiltonian proposed in this work and the large amplitude motion of the DNA molecules is investigated during the propagation of the localized excitation. We discussed the nonlinear effect on the formation of the localized excitation, and showed that our model not only can reproduce the experimental results of the DNA thermal denaturation, but also can describe the process of the nonlinear localized excitation of fluctuational opening in DNA molecules.

中图分类号: (Nucleic acids)

87.14.G-

87.15.H- (Dynamics of biomolecules)

杨显俊, 卓益忠, 晏世伟, 吴锡真. DENATURATION AND PROPAGATION OF THE LOCALIZED EXCITATION IN DNA[J]. 中国物理B, 1997, 6(10): 780-787.

YANG XIAN-JUN (杨显俊), ZHUO YI-ZHONG (卓益忠), YAN SHI-WEI (晏世伟), WU XI-ZHEN (吴锡真). DENATURATION AND PROPAGATION OF THE LOCALIZED EXCITATION IN DNA[J]. Acta Physica Sinica (Overseas Edition), 1997, 6(10): 780-787.

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DENATURATION AND PROPAGATION OF THE LOCALIZED EXCITATION IN DNA

DENATURATION AND PROPAGATION OF THE LOCALIZED EXCITATION IN DNA

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