Fig. 39.
(a) Illustration of the detection mechanism of 135 towards Sirtuin. (b) Time-dependent fluorescence spectra of 135 in the presence of SIRT1. (c) Fluorescence images of cells pre-treated by serum starvation for 36 h, and then 135 for 2 h. C1: 520–560 nm, C2: 620–690 nm, C3: overlap. (b) and (c) are adapted with permission from ref. 241. Copyright 2019 Elsevier.