Corrigendum to “Nitric oxide biosensor uncovers diminished ferrous iron-dependency of cultured cells adapted to physiological oxygen levels” [Redox Biol. 53 (2022) 102319]

The authors regret that the cited reference list in the online PDF of this article contains a duplicate reference (Ref 34 and incomplete Ref 56). Ref 56 should read as follows:

• Sies, H. et al. Defining roles of specific reactive oxygen species (ROS) in cell biology and physiology. Nat Rev Mol Cell Biol (2022) Feb 21 https://doi.org/10.1038/s41580-022-00456-z.

The authors would like to apologise for any inconvenience caused.