Fig. 2

Redox responsiveness of MPNs. a Time-dependent size changes of MPNs in response to different concentrations of GSH measured by DLS at 25 ℃ (n = 3). b Schematic presentation of the potential FRET outcomes. c, d, e, f Time-dependent normalized (Norm.) emission intensity (int.) of DiO (blue solid dots, λex = 450 nm, λem = 510 nm) and change in FRET ratio (red circles) for NPs and MPNs with GSH