2.3. Surface morphology of biocomposite dressings
The surface morphology of the uncoated cotton fabric, OP-Gel-Aloe, OP-Gel-Curcumin and OP-Gel-Aloe Curcumin dressings was studied under a scanning electron microscope (Zeiss EVO Scanning Electron Microscope Model EVO 50) after a thin coating of gold was deposited on the surface of the dressings using a BIO-RAD POLARON Sputter Coater. The changes in surface morphology after drug release from the biocomposite dressings were also monitored after keeping the dressings in contact with simulated body fluid (SBF) of pH 7.4 for 2 h at 37 °C.