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A, pooled data showing quenching after 5 min induced by the addition of each experimental solution. Control represents the addition of HBPS. *Significantly different to control (P < 0.05). †Significantly different to all groups (P < 0.001). Numbers indicate the concentration of iron (Fe) or 8-hydroxyquinoline (HQ) used, in μm. [AA] was 1 mm. B, representative records of fluorescence measurements over time.
