| http://www.w3.org/ns/prov#value | - In one embodiment of the present invention, proteins or other bimolecular mixtures from an experimental sample and from a reference sample (determined simultaneously, previously, or subsequently, as described above) may be caused to partition in a variety of different aqueous two-phase systems, e.g. formed by different types of polymers, such as Dextran and PEG or Dextran and Ficoll, by the same t
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