Direct intracellular detection of biomolecule specific bound-water with Raman spectroscopy

Ashok Zachariah Samuel*, Kaori Sugiyama, Haruko Takeyama

*この研究の対応する著者

研究成果: Article査読

抄録

Lipids, proteins, and nucleic acids have closely associated water molecules (Bound water), which exhibit considerably different physical properties compared to bulk water. Here we investigate the possibility of resolving Raman spectra of the specific hydration shell of these biomolecules in intracellular regions using Raman imaging. Lipids and proteins + nucleic acids Raman spectral components resolved in the analysis showed associated water spectral features, which are uniquely different from that of bulk water. These spectral profiles agree with water spectral profile observed in the case of corresponding hydrated pure biomolecules. The results show the prospects of Raman imaging in examining intracellular hydration in biomolecules and its functional relation.

本文言語English
論文番号121870
ジャーナルSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
285
DOI
出版ステータスPublished - 2023 1月 15

ASJC Scopus subject areas

  • 分析化学
  • 原子分子物理学および光学
  • 器械工学
  • 分光学

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