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← ScienceWhich outcome occurs when a semi-permeable microfiltration membrane encounters excessive transmembrane pressure in protein separation?
A)Molecular compaction induces concentration polarization✓
B)Increased diffusion eliminates concentration gradients
C)Reduced viscosity lowers back transport
D)Enhanced solubility reverses protein aggregation
💡 Explanation
Molecular compaction favors accumulation because concentration polarization is a phenomenon where solute buildup near the membrane increases osmotic pressure, therefore flux declines rapidly rather than remaining constant, because of pressure and compaction overpowering diffusion.
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