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BioLegend’s Precision Count Beads™

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Precision Count Beads™ can be used to obtain absolute counts of cells or any other samples acquired on a flow cytometer.  Precision Count Beads™ are fluorescent particles about 10µm that can be detected across a broad range of wavelengths (405-635nm excitation and 400-800nm emission).  Absolute numbers of cells can be determined by comparing the bead count and cell count.  Precision Count Beads™ can work with all kinds of assays including a lyse, no-wash whole blood assay.