Elements · ← N Nitrogen · F Fluorine →
O Oxygen
Basic facts
| Symbol | O |
|---|---|
| Atomic number | 8 |
| Standard atomic weight | 15.999 |
| Group | 16 |
| Period | 2 |
| Block | p-block |
| Category | Nonmetal |
| Standard state | Gas |
| Discovered | 1774 |
Source: PubChem, Oxygen (periodic table data, retrieved 2026-10-19). Group and period follow the standard 18-column periodic table.
Biotech uses & experiments
No dedicated element entries yet; the topics and entries below involve oxygen.
Topics on this site about oxygen
- Artificial blood & blood substitutes4 entries
- CarbFix: turning CO2 into stone1 entries
- Carbon dioxide (capture and supercritical CO2)3 entries
- Lithium (batteries)5 entries
- Magnetite5 entries
- MOXIE: making oxygen on Mars1 entries
- Oxygen (hyperbaric and oxygen-releasing materials)3 entries
- Ozone2 entries
Entries elsewhere on the site that mention oxygen
Found by name, common compounds and chemical formulas in each entry.
- Plants grown in real Apollo soil · Apollo lunar samples · 2022
- Argon protects brain slices · Argon · 2009
- Mice breathing oxygenated liquid · Artificial blood & blood substitutes · 1966
- Bionic leaf · Artificial leaf (artificial photosynthesis) · 2016
- TiO2-decorated densified bamboo · Bamboo · 2023
- CO2 turning to stone inside basalt · Basalt · 2014
- Biophotovoltaics review · Biophotovoltaics · 2015
- 95% mineralized in 2 years · CarbFix: turning CO2 into stone · 2016
- Supercritical CO2 extraction · Carbon dioxide (capture and supercritical CO2) · 2007
- Amine scrubbing · Carbon dioxide (capture and supercritical CO2) · 2009
- Direct air capture process · Carbon dioxide (capture and supercritical CO2) · 2018
- Structure of the potassium channel · Cell membranes and ion channels · 1998
- Nanoceria protects the retina · Cerium · 2006
- MELiSSA microbial loop · Closed ecosystems and life support (Biosphere 2, MELiSSA) · 2006
- Brine shrimp embryos survive 4 years without oxygen · Cryptobiosis: animals and plants that revive · 1997
- The Laschamps excursion 42,000 years ago · Earth's changing magnetic field and space weather · 2021
- CO2 removal with croplands · Enhanced rock weathering · 2020
- Cyanobacteria in a Mars-like atmosphere · Growing life in Mars and Moon conditions · 2021
- Hydrogen as an antioxidant · Hydrogen gas · 2007
- Greenhouse gases from reservoirs · Hydropower, tidal and wave energy · 2016
- How citrate eating evolved · Lenski long-term E. coli evolution experiment · 2012
- Lithium iron phosphate · Lithium (batteries) · 1997
- Water-splitting Mn4CaO5 cluster · Manganese · 2011
- Not enough CO2 to terraform Mars · Mars terraforming feasibility studies · 2018
- First oxygen made on another planet · MOXIE: making oxygen on Mars · 2022
- 18 minutes without oxygen · Naked mole-rat · 2017
- Microbes that eat methane without oxygen · Natural gas and methane hydrates · 2000
- Deaths and emissions prevented by nuclear power · Nuclear fission and fusion · 2013
- Southern Ocean bloom · Ocean iron fertilization experiments · 2000
- Hyperbaric oxygen · Oxygen (hyperbaric and oxygen-releasing materials) · 2011
- Oxygen-generating materials for islets · Oxygen (hyperbaric and oxygen-releasing materials) · 2012
- Oxygen-generating biomaterials review · Oxygen (hyperbaric and oxygen-releasing materials) · 2016
- Ozone for food safety · Ozone · 1999
- Ozonation of drinking water · Ozone · 2003
- Perovskite oxide catalysts · Perovskites · 2011
- Amazon fungi degrade polyurethane · Plastic-eating bacteria & enzymes · 2011
- Platinum-nickel fuel cell catalyst · Platinum (cancer drugs and catalysis) · 2007
- Iron-sulfur clusters · Sulfur · 1997
- Far-UVC kills airborne coronaviruses · Ultraviolet (UV-C, far-UVC 222 nm, vitamin D) · 2020
- Zeolite 5A vs MOFs for CO2 · Zeolites · 2010
Patents
Search Google Patents for oxygen in biological and medical uses: all patents · recent applications (2022+)
A patent is a legal claim, not proof that something works. See the Patents page.