| http://www.w3.org/ns/prov#value | - e oxide and/or propylene oxide polymers (e.g., poly(ethylene oxide-co-propylene oxide), carboxylated poly(ethylene) (CARBOPOL???), poly(phosphazenes), polysaccharides such as chitosan, N,O-carboxymethyl chitosan, O-carboxymethyl chitosan, N-carboxymethyl chitosan, alginate, methylcellulose, hydroxymethylcellulose, acacia, tragacanth, as well as gelatin and proteins or polypeptides such as serum al
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