Low purity of target cells
A low purity of target cells in sort can be caused by:
Dim staining.
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Event and/or sort rate is too high.
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Low frequency of target cells.
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Valve timing and/or opening time is too long.
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Do one or all of the following:
Change antibody conjugate or use additional marker.
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Adjust sample concentration.
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Immunomagnetic pre-enrichment or two-step sort.
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Reduce max. opening time in valve table programmer (refer to MACSQuantify Tyto Software User manual).
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