Seong Hyeok Seo, Sudeok Kim and Min Su Han
Anal. Methods, 2014,6, 73-76
DOI:
10.1039/C3AY41735B,
Communication
The proposed colorimetric assay system consisting of L-Pro group-functionalized gold nanoparticles (L-Pro–AuNPs) and Cu2+ ions can discriminate the absolute configuration of His and determine the enantiomeric excess of His.