Dear flowers, Does Dichlorofluorescin diacetate (DCFDA)decay in 10 mM stock solution in ethanol, stored at -20 oC ? I measured H2O2 production of the PMA- and TRAP-activated platelet-lekocyte coaggregated population (gated by CD42b-PE--FSC). The first day was great, but for the fourth day ther was only a wery weak signal in Fl-2. If you know something about it, please, be so kind to inform me ! Best whishes A. Boros Gedeon Richter Ltd. Budapest, Hungary.
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