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The effect of ascorbate uptake on superoxide generation by stimulated neutrophils. (A) Cells pre-loaded with DHA were stimulated with PMA (100 ng/mL) and the rate of superoxide generation measured over 5 min. (B) The intracellular ascorbate concentration of preloaded cells was measured by HPLC. Data represent mean ± SEM, n = 3. * p < 0.05.
