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. 2022 Mar 14;12(8):1943–1958. doi: 10.1007/s13346-022-01131-8

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© The Author(s) 2022, corrected publication 2022

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Fig. 12 — A Variation of the ratio D/D₀ according to Eq. (18) and B Eq. (19) assuming different values of the ratio between the drug molecule radius (r_s) and the radius (r_f) of the fibres constituting the polymeric network pervading the hydrogel. These simulation refer to a cubical mesh organization (C₀ = 1; C₁ = 3 $π$ [33])