α-Cyclodextrin
was purchased from Sigma-Aldrich (C4642, ≥
98%). Polyethylene glycol 2000 was purchased from Sigma-Aldrich (Mn = 2000 Da for synthesis). Gelatin type A from
porcine skin (ref G2500) and methacrylic anhydride (ref 276685) were
purchased from Sigma-Aldrich.
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