| http://www.w3.org/ns/prov#value | - A device according to claim 5, wherein the channel system the injection devices the separating paths and where appropriate the reservoir and the collecting vessel and any other extension channels are made in a plate of glass, a polymer film or a semi-conductive material, preferably monocrystalline silicon, which can preferably be covered with a lid, for example of glass, and wherein separate inflo
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