Abstract
The novel phosphatase substrate, ELF-97 phosphate, yields intensely green fluorescent precipitates of ELF-97 alcohol (ELFA)
upon enzymatic dephosphorylation, and thereby traces phosphatase activity back to its producer. In this study, we show that ELFA
fluorescence is a useful tool in flow cytometric analysis of natural phytoplankton populations. Presence of endogenous fluorescent
pigments allowed
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