SPECTROMETRY STUDY OF IRRADIATION EFFECT ON DL-THREONINE

Zhao Xin; Fu Riqiang; Du Youru; Wang Tiandiao; Ye Chaohui

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SPECTROMETRY STUDY OF IRRADIATION EFFECT ON DL-THREONINE

更新时间：2023-04-23

- SPECTROMETRY STUDY OF IRRADIATION EFFECT ON DL-THREONINE
- Journal of Radiation Research and Radiation Processing Vol. 12, Issue 1, Pages: 22-25,29(1994)
- 作者机构：
  
  1.中国科学院武汉物理所波谱与原子分子国家重点实验室，武汉　430071
  *.中国科学院新疆物理研究所，乌鲁木齐　830011
- 作者简介：
- 基金信息：
- DOI：
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Zhao Xin, Fu Riqiang, Du Youru, et al. SPECTROMETRY STUDY OF IRRADIATION EFFECT ON DL-THREONINE. [J]. Journal of Radiation Research and Radiation Processing 12(1):22-25,29(1994)
DOI：

Zhao Xin, Fu Riqiang, Du Youru, et al. SPECTROMETRY STUDY OF IRRADIATION EFFECT ON DL-THREONINE. [J]. Journal of Radiation Research and Radiation Processing 12(1):22-25,29(1994) DOI：

摘要

用电子自旋（ESR）波谱、固体高分辨核磁共振,13,C NMR谱以及X-衍射光谱，探讨了DL-苏氨酸（Thr）的γ辐照稳定性。Thr的,13,C NMR化学位移和X-射线衍射数据结果表明，Thr多晶固体在100 kGy剂量范围内的化学结构是稳定的。ESR谱强度和,13,C共振谱线宽随着剂量的增加而增大，是辐照自由基浓度的变化所致。

Abstract

The γ-irradiation stability of polycrystalline DL-Threonine (Thr)was studied by ESR,13,C CPMAS spectra and X-ray diffraction methosd. The ,13,C chemical shifts and X-ray diffraction data have no changes up to 100 kGy dose. This shows that Thr is stable within 100 kGy dose. The intensity of ESR spectra is increased, and the linewidth of ,13,C resonances is broadened with the increasing radiation dose.

关键词

DL-苏氨酸辐照效应ESRNMRX-衍射

Keywords

DL-ThreonineIrradiation effectESRNMR spectrometryX-ray diffraction

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