The compositions can be polymerized in {HEAD ~ the presence} of {TAIL ~ dissolvable particles} such as inorganic salts and proteinaceous materials to provide a porous polymer network 
The compositions can be polymerized in { HEAD ~ the presence } of { TAIL ~ dissolvable particles } such as inorganic salts and proteinaceous materials to provide a porous polymer network
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH