Correction for "The oxygen initial dip in the brain of anesthetized and awake mice," by Ali-Kemal Aydin, Camille Verdier, Emmanuelle Chaigneau, and Serge Charpak, which published March 30, 2022; 10.1073/pnas.2200205119 (Proc. Nad. Acad. Sci. USA. 119, e2200205119).The authors note that the following statement should be added to the Acknowledgments: "Synthesis of the phosphorescent probe Oxyphor 2P was performed in the laboratory of Dr. Sergei Vinogradov (University of Pennsylvania) and supported by the grant U24EB028941 'Oxygen imaging by phosphorescence quenching' from the NIH."The authors also note that on page 6, second column, first full paragraph, line 4, in-text citation "(53)" should instead appear as "(32)". Reference 53 should be removed from the references list, and references 54—58 should be renumbered as references 53-57.
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