Fig. 3From: Bioimaging of botulinum toxin and hyaluronate hydrogels using zwitterionic near-infrared fluorophoresNIR fluorescence images of ZW700–1 with subcutaneous (s.c.) injection, ZW800–1 with intramuscular (i.m.) injection, DAH-HA-ZW hydrogel with s.c. injection, and BTX-ZW conjugates with i.m. injection, in order from top to bottomBack to article page