Excess MnO2 was then eliminated by filtering through a 0.2 lm Acrodisc PVDF syringe filter. This solution was then diluted in PBS (pH 7.40), to an absorbance of Ca. 0.700 at 734 nm.
Excess MnO2 was then eliminated by filteringthrough a 0.2 lm Acrodisc PVDF syringe filter. This solution wasthen diluted in PBS (pH 7.40), to an absorbance of Ca. 0.700 at734 nm.