Figure 9.

(A) Chemical structure of helical oligo(phenylethylene) (P,1s,2s)-1. (B) CPL titration curves with increasing amount of AgBF₄ until saturation, and with following addition of CH₃CN. (C) Schematic mechanism of a (P,1s,2s)-1 based ratiometric CPL probe based. (D) CPL titration curves of (P,1s,2s)-2 with increasing amount of AgBF₄. (A,B) Reproduced with permission (Morcillo et al., 2016). Copyright 2016, Royal Society of Chemistry. (C,D) Reproduced with permission (Reine et al., 2018). Copyright 2018, American Chemical Society.