| 摘要 |
An apparatus and method for separating a biomolecule from one or more contaminants in a sample. The apparatus can include a unitary device comprising a plurality of fractionation devices, each reservoir comprising a filter, each reservoir adapted to contain a solid phase, the solid phase adapted to separate the biomolecule and the contaminant by fractionation. The filter can have an average pore size that allows the sample to pass therethrough while substantially preventing the solid phase from passing therethrough. The method can include moving the sample past the solid phase in each reservoir to separate the biomolecule from the contaminant by fractionation to obtain an isolated biomolecule.
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