Exciton States in Synthetic Polynucleotides

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概要

• 論文の詳細を見る

• Singlet exciton states double stranded homopolynucleotides and copolynucleotides are determined within the framework of Frenkel exciton model taking into account the effect of configuration mixing between different exciton states. Interbase interactions are taken into account up to the distance of the order of 15 Å and they are calculated directly using the generalized charge densities in the base pairs previously obtained by the authors. The exciton states of model DNA is also discussed in which two kinds of base pairs are arranged in random order. Generally the oscillator strength of base pairs are arranged in random order. Generally the oscillator strength associated with the lowest exciton states decreases by the effect of configuration mixing. There can be found no weak π⇾π^* transition near 280mμ in poly (A-U) and copoly [figure]. In a model DNA the absorption intensity in the long wave length side of the main absorption band depends linearly on G-C content.

• 社団法人日本物理学会の論文
• 1969-09-05

著者

• MIYATA Takashi

  Department of Iron and Steel Engineering, Nagoya University

• YOMOSA Sigeo

  Department of Physics, Nagoya University

• Yomosa Sigeo

  Department Of Physics Faculty Of Science Nagoya University

• Miyata Takashi

  Department Of Biophysics Faculty Of Science Kyoto University

• MIYATA Takashi

  Department of Applied Physics, Tokai University

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