Structural information from the interference effect of electron-capture X-rays

Y. C. Sasaki, Kenji Yasuda, M. Takahashi, I. Satoh, S. Ishiwata

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We observed the interference effect of electron-capture X-rays emitted by the nuclear transformations in radioisotopes. This interference is between the direct monochromatic emission from the radioactive atoms and the emission totally reflected by the substrate surface. Nanometer-level structural information about the radioactive atoms can be obtained by analyzing the measured interference fringes because the period of these fringes depends on the position of the radioactive atoms relative to the substrate surface. In this work, we used the functional protein molecules (myosin subfragment 1(S1)) which were radioiodinated with no carrier added 125I to observe the conformational changes in aqueous solutions.

Original languageEnglish
Pages (from-to)341-344
Number of pages4
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume239
Issue number2
DOIs
Publication statusPublished - 1999
Externally publishedYes

Fingerprint

Myosin Subfragments
Gamma Rays
Radioisotopes
X-Rays
Electrons
X rays
Atoms
Wave interference
Proteins
Substrates
Molecules

ASJC Scopus subject areas

  • Analytical Chemistry
  • Inorganic Chemistry
  • Nuclear Energy and Engineering

Cite this

Structural information from the interference effect of electron-capture X-rays. / Sasaki, Y. C.; Yasuda, Kenji; Takahashi, M.; Satoh, I.; Ishiwata, S.

In: Journal of Radioanalytical and Nuclear Chemistry, Vol. 239, No. 2, 1999, p. 341-344.

Research output: Contribution to journalArticle

Sasaki, Y. C. ; Yasuda, Kenji ; Takahashi, M. ; Satoh, I. ; Ishiwata, S. / Structural information from the interference effect of electron-capture X-rays. In: Journal of Radioanalytical and Nuclear Chemistry. 1999 ; Vol. 239, No. 2. pp. 341-344.
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