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Reaction rates of ascorbic acid with resazurin and PEG-HCCs at various concentrations of ascorbic acid and resazurin. A) Reduction rates of resazurin by ascorbic acid catalyzed by PEG-HCCs (4 mg/L) fit to Michaelis-Menten saturation curves. B) Lineweaver-Burk plots of the reaction between resazurin, Asc and PEG-HCCs showing intersecting lines suggesting a ternary complex.
