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dc.contributor.authorKumar, R.
dc.contributor.authorIsloor, A.M.
dc.contributor.authorIsmail, A.F.
dc.contributor.authorRashid, S.A.
dc.contributor.authorMatsuura, T.
dc.identifier.citationRSC Advances, 2013, Vol.3, 21, pp.7855-7861en_US
dc.description.abstractBiocompatible and naturally occurring chitosan was used as an additive for the preparation of a polysulfone ultrafiltration membrane. Two different compositions of polysulfone in N-methylpyrrolidone (NMP) and chitosan in 1% acetic acid were blended to prepare PSf-CS ultrafiltration membranes by the diffusion induced phase separation (DIPS) method. The proper blending of polysulfone and chitosan in PSf-CS membranes was confirmed by ATR-IR analysis. The surface and cross-sectional morphology of the membranes was studied by scanning electron microscopy (SEM). The membrane hydrophilicity was determined by water uptake and contact angle measurements. The PSf-CS membrane showed an enhanced hydrophilicity compared to a PSf ultrafiltration membrane. The time dependent permeation studies revealed the improved flux of PSf-CS membranes. PSf-CS membranes were subjected to bovine serum albumin (BSA) protein rejection studies. An improved antifouling property was observed for PSf-CS blend membranes as compared to pristine PSf ultrafiltration membranes. Both the permeation and antifouling properties of PSf-CS membranes increased with an increase in chitosan composition. 2013 The Royal Society of Chemistry.en_US
dc.titlePolysulfone-Chitosan blend ultrafiltration membranes: Preparation, characterization, permeation and antifouling propertiesen_US
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