Electric field effects on IR absorption of α-helical polypeptide

Takakazu Nakabayashi, Nobuhiro Ohta

研究成果: Article査読

15 被引用数 (Scopus)

抄録

External electric field effects on the IR absorption spectrum of α-helical poly(γ-benzyl-L-glutamate) have been examined with electric field modulation spectroscopy. The electric-field-induced change in each vibrational band is reproduced by a superposition of the absorption spectrum, and its first and second derivative spectra, suggesting that the electric dipole moment and the molecular polarizability change following vibrational excitation. The N-H stretching band at 3291 cm-1 shows the largest change in the magnitude of dipole moment following vibrational excitation.

本文言語English
ページ(範囲)1194-1195
ページ数2
ジャーナルChemistry Letters
34
8
DOI
出版ステータスPublished - 2005 8 5
外部発表はい

ASJC Scopus subject areas

  • 化学 (全般)

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