The carrier 1, wherein the average particle size of said {HEAD ~ hydrophilic silica} is within the range of 5 to 50 nm in {TAIL ~ terms} of a primary number average particle size 
The carrier 1 , wherein the average particle size of said { HEAD ~ hydrophilic silica } is within the range of 5 to 50 nm in { TAIL ~ terms } of a primary number average particle size
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH