Fig. 2. (a) The PSD of D-g-PAAan water solution. PSDs of freshly prepared (1 min) water-based solutions and these solutions after 1 h, 24 h, and 7 days: (b) ZnTPP, (c) ZnTPP/D-g-PAAan, and (d) ZnTPP/D-g-PAAan/AuNPs. (e) PSDs of freshly prepared D-g-PAAan, ZnTPP, ZnTPP/D-g-PAAan, and ZnTPP/D-g-PAAan/AuNPs in water.
