Chiral discrimination of α-amino acids by the DNA triplet GCA using amino acids as a co-selector Kumar, Maddula Ravi ; Prabhakar, Sripadi ; Sivaleela, Tallagadda ; Vairamani, Mariappanadar Abstract Publication: Journal of Mass Spectrometry Pub Date: September 2007 DOI: 10.1002/jms.1253 Bibcode: 2007JMSp...42.1218K