Fig. 5: Optical characteristics of enantiomeric excess analysis.
From: Visualization of enantiorecognition by excited-state conformation modulation
a Change of relative fluorescence intensity ratios of 460 nm/600 nm of (1S,2 R)- or (1 R,2S)-DPAC after being mixed with various enantiomer content of R/S-1. Inset: the fluorescence spectra of (1S,2 R)- or (1 R,2S)-DPAC after being mixed with various enantiomer content of R/S-1. b The photo of (1S,2 R) -DPAC after being mixed with various enantiomer content of R/S-1. c The schematic cartoon illustration of the recording CIE coordinates by handheld optical testing instrument. d Plots of the CIE coordinates and RGB values versus ee% of R/S-1. (Data with error bars are expressed as mean ± s.d., n = 3 independent samples). e The schematic cartoon illustration of the enantiomer excess analysis. [(1S,2 R)- or (1 R,2S)-DPAC] = 1.0 × 10−4 M in cyclohexane/acetone 5:1, [(1S,2 R)- or (1 R,2S)-DPAC]/[R/S-1] = 1/2, λex = 350 nm.
