The complexes are further covalently bonded with cationic carriers and permeabilizer peptides for delivery across {TAIL ~ the blood brain barrier} and with targeting moieties for {HEAD ~ uptake} by target brain cells 
The complexes are further covalently bonded with cationic carriers and permeabilizer peptides for delivery across { TAIL ~ the blood brain barrier } and with targeting moieties for { HEAD ~ uptake } by target brain cells
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH