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. 2022 Apr 25;10:888693. doi: 10.3389/fchem.2022.888693

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Copyright © 2022 Bai, Shi, Guo, Wang, Zhang, Li, Vennampalli, Zhao and Wang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Agarose gel electrophoresis of pBR322DNA (0.1 μg) with different concentrations of the Fe complex. Lane 1: DNA only; Lane 2: 0.1 μM Fe-DPA-Bpy; Lane 3: 1.0 μM Fe-DPA-Bpy; Lane 4: 10.0 μM Fe-DPA-Bpy; Lane 5: 50.0 μM Fe-DPA-Bpy; and Lane 6: 10 μM DPA-Bpy.