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. Author manuscript; available in PMC: 2010 Mar 25.
Published in final edited form as: Clin Cancer Res. 2009 Jan 1;15(1):131–139. doi: 10.1158/1078-0432.CCR-08-1691

Fig. 1.

Fig. 1

Mechanism of β-lap redox cycling. (A)β-Lap undergoes a futile redox cycle in an NQO1-dependent manner. The hydroquinone form is unstable and through two one-electron oxidation steps converts back to the parent β-lap form. This cycling “bioactivates” β-lap and results in the generation of Reactive Oxygen Species (ROS). (B) Schematic of complexation and incorporation of β-lap and β-lap·HPβ-CD complexes into PLGA millirods.