Can someone direct me to any published documents by regulatory or QA organizations or committees that specify or recommend Intra and Inter-assay precision for Flow Cytometry assays? Specifically, I would like to know CVs for Intra-assay (same sample multiple times), and Inter-assay for: Run to Run, Instrument to Instrument, Lab to Lab, Reagent Lot to Reagent Lot, Technician to Technician. Do they differ for analytes that detect cells that are more rare in a population versus more frequent? Do they differ for dim cells (few epitope) versus bright. Thanks ! Tim Holzer Centocor, Inc. holzert@centocor.com Telephone: 610-889-4492 FAX 610-889-4771
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