Molecular self-diffusion of intracellular metabolites in rat brain in vivo investigated by localized proton NMR diffusion spectroscopy

Magn Reson Med. 1993 Jan;29(1):125-9. doi: 10.1002/mrm.1910290123.

Abstract

Molecular self-diffusion coefficients of water (0.75 +/- 0.05), N-acetylaspartate (0.27 +/- 0.04), creatines (0.27 +/- 0.04), and cholines (0.28 +/- 0.08) x 10(-5) cm2 s-1 were obtained from localized proton NMR spectra of rat brain in vivo using diffusion-weighted stimulated-echo (STEAM) sequences with a diffusion time of (delta--delta/3) = 17 ms.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Aspartic Acid / analogs & derivatives
  • Aspartic Acid / metabolism
  • Brain / metabolism*
  • Choline / metabolism
  • Magnetic Resonance Spectroscopy*
  • Phosphocreatine / metabolism
  • Rats
  • Rats, Wistar

Substances

  • Phosphocreatine
  • Aspartic Acid
  • N-acetylaspartate
  • Choline