Are data values obtained on the SPRimager®II from one experiment to another directly comparable?
Yes. A distinguishing feature of the SPRimager®II is the ability to convert SPR responses into changes in percent reflectivity (Δ%R), an absolute physical unit of measure. This means you don’t have to settle for arbitrary relative units (RUs), and can make direct comparisons between data sets acquired not only from different experiments but from different SPRimager®II instruments. It’s also a great way to make robust comparisons of different array fabrication methods.
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