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Acid alpha-naphthyl acetate esterase activity in stored buffy coat smears
Abstract:
The stability of acid alpha-naphthyl acetate esterase activity in smears of buffy coats was studied. Fixed smears may be stored up to 20 days at 25 degrees C. Unfixed smears may be stored up to 24 hr at 25 degrees C before there is a significant decrease in activity. In constant, fixed or unfixed smears held at -10 degrees C begin to lose activity within 24 hr.