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Fluorescein release from GNPs with (A) 0 mg mL−1 pronase, (B) 100 ng mL−1 pronase and (C) 1 μg mL−1 pronase.
Notes: Black and gray curves represent cumulative fluorescein release from GNPs of LMD and HMD, respectively.
Abbreviations: GNPs, gelatin nanoparticles; HMD, high matrix density; LMD, low matrix density; h, hours.
