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Chiral discrimination for enantiomers of amino acids using an electrochemiluminescence method
Changzhi Zhao1, Songyun Xu, Yan Su
1Department of Chemistry, School of Chemical Engineering, Dalian University of Technology, China. zhaocz@online.ln.cn
Abstract:
On the basis of our new findings that the enantiomers of some amino acids can interact with Ru(bpy)3(2+) by electron-transferring to induce different luminescence spectra, depending on their electrochemical enantioselectivities to Ru(bpy)3(2+), an electrochemiluminescence (ECL) chiral discrimination method has been developed. The L and D enantiomers of amino acids in synthetic samples have been determined based on the luminous intensities; the relative errors were less than or equal to 6.0%. The enantioselectivity of the enantiomers to Ru(bpy)3(2+) was demonstrated by chronocoulometry.