@article{nazareth_antunes_2002,  title={Chiral Ligand Exchange Chromatography: Separation of Enantiomeric Mixtures of Underivatized α-Amino Acids under UV Detection},  volume={13},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532002000500019},  DOI={10.1590/S0103-50532002000500019},  number={5},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Nazareth, Patricia M. P. and Antunes, Octavio A. C.},  year={2002},  month={Sep},  pages={658–663} }