Figure 2

Time-dependent fluxes during a process of three-cycle of BSA ultrafiltration at room temperature for membranes PES (a, ), PES/PSBMA-2% (b,
), PES/PSBMA-4% (c,
) and PES/PSBMA-6% (d,
).
Each recycle includes the ultrafiltration of BSA solution (1.0 mg/mL) and then PBS.