Ketorolac tromethamine

Sodium alginate was purchased from Fagron Iberica (Terrassa, Spain). Ketorolac tromethamine and Nipagin were obtained from Sigma-Aldrich (Barcelona, Spain). Nipasol was acquired from Acofarma (Barcelona, Spain), and Na₂HPO₄ and KH₂PO₄ were supplied by Panreac (Barcelona, Spain). PBS pH 7.6, gentamicin sulphate, and bovine serum albumin were provided by Sigma (St. Louis, MO, USA); methanol was obtained from Merck, Darmstadt, Germany. The adhesive tapes were obtained from D-squame, (Cuderm Co., Dallas, TX, USA).
The purified water was obtained from a Milli-Q1 Gradinet A10 system apparatus (Millipore Iberica S.A.U., Madrid, Spain). All the other chemicals and reagents used in the study were of analytical grade.

Sodium alginate was purchased from Fagron Iberica (Terrassa, Spain). Ketorolac tromethamine and Nipagin were obtained from Sigma-Aldrich (Barcelona, Spain). Nipasol was acquired from Acofarma (Barcelona, Spain), Hyaluronic acids were obtained from Fagron Iberica (Terrassa, Spain); Na2HPO4 and KH2PO4 were supplied by Panreac (Barcelona, Spain), NaCl and KCl were from Merck (Darmstadt, Germany), CaCl from Ferosa (Spain) Hepes was obtained from Fagron Iberica (Terrassa, Spain) and glucose from Sigma-Aldrich (Barcelona, Spain). The Millipore Express^® PLUS 0.45 µm PES Membrane was from Merck (Darmstadt, Germany), the Nylon membrane Filter with 0.45 µm pore size from Teknokroma (Barcelona, Spain) and the biomimetic membrane PermeaPad^® from InnoME GmbH (Espelkamp, Germany).
The purified water was obtained from a Milli-Q1 Gradient A10 system apparatus (Millipore Iberica S.A.U., Madrid, Spain). All the other chemicals and reagents used in the study were of analytical grade.

Sodium alginate was purchased from Fagron Iberica (Barcelona, Spain). Calcium chloride (CaCl₂), ketorolac tromethamine (KT), and nipagin were purchased from Sigma-Aldrich (Barcelona, Spain). Nipasol from Acofarma (Barcelona, Spain) and Na₂HPO₄, KH₂PO₄, and NaCl by Panreac (Barcelona, Spain). Methanol from Merck (Darmstadt, Germany). The purified water was obtained from a Milli-Q1 Gradient A10 system apparatus (Millipore Iberica S.A.U. Madrid, Spain). All the other chemicals and reagents used in the study were of analytical grade.