the effects of extracellular atp and/or the phorbol ester 12-o-tetradecanoylphorbol-13-acetate ( tpa ) on the intracellular ph of ehrlich ascites tumor cells were measured using both distribution of [ 14c ] 5,5-dimethyloxazolidine-2,4-dione , and the fluorescent indicator 5 ( 6 ) -carboxyfluorescein .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol-13-acetate