High density {HEAD ~ molecular arrays} are provided as well, in which greater than {TAIL ~ about 62,500 molecular moieties}, serving as array elements, are present on a porous surface 
greater than
High density { HEAD ~ molecular arrays } are provided as well , in which greater than { TAIL ~ about 62,500 molecular moieties } , serving as array elements , are present on a porous surface
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH