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Surface and cross-section morphology images of membranes: from top to bottom: M1 represents the pristine cellulose acetate (CA) membranes, M1b is CA/polyGMA membranes, M1c is CA/polyGMA-CYS, M2 is CA/1% polyGMA-CYS-AgNP and M3 is CA/2% polyGMA-CYS-AgNP.
