| http://www.w3.org/ns/prov#value | - As mentioned above, the polysaccharide sponges of the present invention may comprise many different kinds of polysaccharides, for example the polyanionic polysaccharides such as alginates, gellan, gellan gum, xanthan chitosan, agar, carrageenan and the polycationic polysaccharides such as chitosan.
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