A membrane 1 having a total binding capacity of at least about 10 ug/cm2 based on {TAIL ~ the outer surface area} of {HEAD ~ the membrane} 
A membrane 1 having a total binding capacity of at least about 10 ug / cm2 based on { TAIL ~ the outer surface area } of { HEAD ~ the membrane }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD