Fig. 2

Physicochemical characterization of UiO-66–VIN–PEG following VIN encapsulation. A DLS analysis of particle size distribution. B SEM image of UiO-66. C SEM image of UiO-66–VIN–PEG, D TEM image of UiO-66–VIN–PEG, showcasing the morphological features of synthesized MOF. E FT-IR spectroscopy confirms the structural composition. F XRD analysis comparing the peaks of (a) UiO-66, (b) UiO-66–VIN, (c) UiO-66–VIN–PEG, and (d) VIN