Skip to main content
. 2022 Mar 19;20:147. doi: 10.1186/s12951-022-01354-4

Fig. 4.

Fig. 4

Release of HUVECs-Exos and Tazarotene by GelMA/PEGDA@T + exos MNs patch. a 3D reconstruction of confocal layer by layer scanning. b Tazarotene released curve of the GelMA/PEGDA@T + exos MNs patch. c Exosomes released curve of the GelMA/PEGDA@T + exos MNs patch. d Immunofluorescent staining of the skin covered with the GelMA/PEGDA@T + exos MNs patch at day 2, 4, 6, 8. Scar bar, 100 μm