Terahertz absorption spectra of L-, D-, and DL-alanine and their application to determination of enantiometric composition

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Author: YAMAGUCHI, Marikoほか

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Publication date: 2005-01

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Note (General)：: Absorption spectra of polycrystalline L-, D-, and DL-alanine have been measured by the terahertz time domain spectroscopy (THz-TDS)in the frequency ra...

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Material Type: 文書・図像類
Title: Terahertz absorption spectra of L-, D-, and DL-alanine and their application to determination of enantiometric composition
Author/Editor: YAMAGUCHI, Mariko
MIYAMARU, Fumiaki
YAMAMOTO, Kohji
TANI, Masahiko
HANGYO, Masanori
Author Heading: YAMAGUCHI, Mariko
MIYAMARU, Fumiaki
YAMAMOTO, Kohji
TANI, Masahiko
HANGYO, Masanori
Publication Date: 2005-01
Publication Date (W3CDTF): 2005-01
Periodical title: Applied physics letters
No. or year of volume/issue: 86 5
Volume: 86
Issue: 5
Pages: 53903-
Text Language Code: eng
Target Audience: 一般
Note (General): Absorption spectra of polycrystalline L-, D-, and DL-alanine have been measured by the terahertz time domain spectroscopy (THz-TDS)in the frequency range from 10 to 90 cm-1 at room temperature. We observed several absorption bands, which have the large difference between enantiomers (L- and D-alanine)and the racemic compound (DL-alanine)in their peak frequencies. This obvious difference shows that the THz absorption bands are strikingly sensitive to the crystal structures. This result indicates that the THz-TDS can be used for distinguishing between the enantiomers and the racemic compound. We propose and demonstrate a method to determine the enantiometric composition of amino acids from the THz absorption spectra.
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ