Fig. 4

Dye aggregates for biosensing. a SQgl dye as a light-up probe to selectively detect parallel G4; b A temperature-responsive nanoswitch based on the lipid vesicle embedded with BChl dyes as a probe for in vivo temperature sensing; c BODIPY chromophores can be used to specifically detect the activity of eosinophil peroxidase (EPO). Reprinted with permission from: a Ref. [49], copyright (2017) Wiley; b Ref. [51], copyright (2014) American Chemical Society; c Ref. [52], copyright (2018) American Chemical Society