Determination of free amino acid enantiomers in rat brain and serum by high-performance liquid chromatography after derivatization with N-tert.-butyloxycarbonyl-L-cysteine and o-phthaldialdehyde.

@article{Hashimoto1992DeterminationOF,
  title={Determination of free amino acid enantiomers in rat brain and serum by high-performance liquid chromatography after derivatization with N-tert.-butyloxycarbonyl-L-cysteine and o-phthaldialdehyde.},
  author={Akiko H. Hashimoto and Toru Nishikawa and Tetsuo Oka and Katashi Takahashi and Takamune Hayashi},
  journal={Journal of chromatography},
  year={1992},
  volume={582 1-2},
  pages={
          41-8
        }
}
The concurrent determination of free amino acid enantiomers and non-chiral amino acids in rat brain and serum was accomplished by high-performance liquid chromatography with fluorimetric detection after derivatization with N-tert.-butyloxycarbonyl-L-cysteine and o-phthaldialdehyde. The method revealed the presence of a large amount of free D-serine (0.22 mumol/g of tissue; D/D + L ratio = 0.25) in the brain whereas D-aspartate and D-alanine were established to be at trace levels. These results… CONTINUE READING
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Neuronal release of D-serine: a physiological pathway controlling extracellular D-serine concentration.

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