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Fourier Transform Infrared-Attenuated Total Reflectance (FTIR-ATR) of alginate (Alg) and synthesized oxidized alginate (OAlg) confirmed the modification of alginate by the addition of aldehyde groups using sodium meta-periodate oxidation reaction that enables oxidized alginate to react with amino containing polymers and form self-crosslinkable hydrogels through Schiff base reaction.
