An experiment may be judged successful merely if two or more kinds of particles have been separated; we then may not care to know the exact parameters of the gradient that brought about that happy juncture. If, however, we need to know the equilibrium densities of separated particles, or wis...
In each case, at least two experiments were carried out in parallel: one experiment was performed exactly according to the kit instructions, including centrifugation and decantation steps; in the other experiment the kit instructions were used with regard to addition of reagents, standards, clinical ...
Lab-on-a-disc: Sorting out tumor cells Simultaneous isolation and quantification of individual cells and cell clusters is possible thanks to a centrifugal sedimentation approach. Tumor cells circulating in the blood are an excellent indicator for the prognosis of various cancers. In particular, the ...
After extraction, samples were centrifuged (6000× g, 5 min) and the supernatant (800 µL) was placed in a septum-capped vial containing deionized water (800 µL) for microcystin analysis. On a separate day the experiment was repeated, except that the supernatant was removed from all ...
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