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oxygen
Oxygen
Oxygen (O, Z=8, [He] 2s² 2p⁴). Biologically as O₂ (respiratory substrate, ~250 mL/min at rest), O²⁻ (superoxide, ROS), and cofactor in oxidases. Carried by haemoglobin in erythrocytes; released by Bohr effect. Rises 20-fold in maximal exercise.
Entry Metadata
| Field | Value |
|---|---|
| ID | oxygen |
| Name | Oxygen |
| Status | draft |
| Last reviewed | 2026-06-03 |
| Atlas | 01-human |
| Scale | 02-atomic |
| Element Symbol | O |
| Atomic Number | 8 |
| Atomic Mass | 15.999 |
| Cas | 7782-44-7 |
Cross-Atlas Connections
Sources
- West JB, Luks AM. West's Respiratory Physiology: The Essentials. 10th ed. Wolters Kluwer; 2016. ISBN 978-1-4963-1011-1.
- Perutz MF. Regulation of oxygen affinity of hemoglobin: influence of structure of the globin on the heme iron. Annu Rev Biochem. 1979;48:327-86. · PubMed 382986
- Weibel ER, Taylor CR, Hoppeler H. The concept of symmorphosis: a testable hypothesis of structure-function relationship. Proc Natl Acad Sci USA. 1991;88(22):10357-61. · PubMed 1720538
- Berg JM, Tymoczko JL, Stryer L. Biochemistry. 9th ed. W.H. Freeman; 2019. ISBN 978-1-319-11467-1.