Abstract

Two populations of phagocytic cells from trehalose dimycolate-elicited mouse peritoneal cells are demonstrated by flow cytofluorometry, using two fluorescent probes excited at the same wavelength (488 nm). Liposomes containing diethylenetriaminepentaacetate daunorubicin conjugate (maximum emission wavelength: 590 nm) allow the discrimination of phagocytes and non-phagocytic cells. Among the phagocytes, an activated population is revealed by a cell-associated fluorescence of the oxidation product of dichlorofluorescein diacetate (maximum emission wavelength: 520 nm).

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