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(A) Surface and cross-sectional SEM analysis of gelatin (porcine) films loaded with SEO. Po1: Po-control; Po2: Po-SEO (0.05% v/v); Po3: Po-SEO (0.075% v/v); Po4: Po-SEO (0.1% v/v). (B) Surface and cross-sectional SEM analysis of gelatin (bovine) films loaded with SEO. Bo1: Bo-control; Bo2: Bo-SEO (0.05% v/v); Bo3: Bo-SEO (0.075% v/v); Bo4: Bo-SEO (0.1% v/v). The arrows represent different properties i.e., Red: cracks, Blue: particles, Green: compactness, Orange: irregular patches.
