Patent ID: 7333895

Claim:
A method of evaluating the results from a bioassay process, the method comprising: preparing a mixture of molecules; dividing the mixture of molecules into a plurality of aliquots; preserving the plurality of aliquots; retrieving a first aliquot, the first aliquot being a control aliquot; obtaining data from the control aliquot using the bioassay process, the data including values for n features, which collectively define a control centroid in an n-dimensional space; subsequently retrieving a second aliquot, the second aliquot being a test aliquot; obtaining data from the test aliquot using the bioassay process, the data including values for the n features, which collectively define a test centroid in the n-dimensional space; and determining whether the displacement in the n-dimensional space of the test centroid exceeds a predetermined distance from the control centroid as an indication of whether the bioassay has generated unreliable results.