Fig. 1
From: Rhein laden pH-responsive polymeric nanoparticles for treatment of osteoarthritis

Schematic illustration of pH-responsive Rh-PLGA-NPs@NH4 used for the treatment of OA
From: Rhein laden pH-responsive polymeric nanoparticles for treatment of osteoarthritis
Schematic illustration of pH-responsive Rh-PLGA-NPs@NH4 used for the treatment of OA