Elements · ← Cl Chlorine · K Potassium →
Argon, an inert noble gas, has been tested for protecting brain tissue in lab models.
| Symbol | Ar |
|---|---|
| Atomic number | 18 |
| Standard atomic weight | 39.9 |
| Group | 18 |
| Period | 3 |
| Block | p-block |
| Category | Noble gas |
| Standard state | Gas |
| Discovered | 1894 |
Source: PubChem, Argon (periodic table data, retrieved 2026-10-19). Group and period follow the standard 18-column periodic table.
Loetscher and colleagues found argon protected mouse hippocampal slice cultures in lab models of oxygen-glucose deprivation and traumatic brain injury, even when given three hours after the injury.
As reported in: Loetscher, Rossaint, Rossaint et al. (2009). Argon: Neuroprotection in in vitro models of cerebral ischemia and traumatic brain injury. Critical Care. doi:10.1186/cc8214
Search Google Patents for argon in biological and medical uses: all patents · recent applications (2022+)
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