| http://www.w3.org/ns/prov#value | - Preferably, the first liquid contained in the first barrel 22 of the syringe 20 is a solution including a polysaccharide, such as sodium alginate, and the second liquid contained in the second barrel 24 of the syringe 20 is a solution including an ionic cross linking agent, such as calcium (i.e. calcium chloride) or some other cross linking agent having divalent ions.
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