Fig. 7.
(A) Schematic of the enzyme-triggered self-assembly in cells. (B) Molecular transformation of the precursor NapFFK(NBD)Yp and TEM image of the precursor with the treatment of ALP (scale bar: 100 nm). (C) Time course of fluorescence images incubated with 50 or 500 μM precursor (scale bar: 50 μm). Reprinted with permission from ref 41. Copyright 2012 Nature Publishing Group.