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FT-IR spectra of (a) Rosuvastatin, (b) Chitosan HCl, (c) Tetraethyl orthosilicate, (d) Sodium Alginate, (e) The selected rosuvastatin silica nanoparticle (RSNP2), (f) Physical mixture of RSNP2, (g) Alginate-based hydrogel scaffold loaded with rosuvastatin silica nanoparticles (AL-RSNP).
