Fig. 1From: Hyaluronic acid-modified and verteporfin-loaded polylactic acid nanogels promote scarless wound healing by accelerating wound re-epithelialization and controlling scar formation A: TEM image of HA/VP-PLA with detail and schematic; B-C: Cryo-TEM and SEM images of HA/VP-PLA; D: UV-Vis spectra (the absorption peak of VP was 689 nm); E: Release profiles; F: HPLC spectra of LA detection (LA: LA standard, 6 and 12: PLA degradation for 6 and 12 h)Back to article page