| 3-MST | 3-mercaptopyruvate sulfurtransferase |
| CARS | cysteinyl-tRNA synthetases |
| CBS | cystathionine β-synthase |
| CSE | cystathionine γ-lyase |
| ∙cPTIO | 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide |
| CysSSH | cysteine persulfide |
| CysSxSH | cysteine polysulfides |
| DATS | diallyltrisulfide |
| DATTS | diallyltetrasulfide |
| DTPA | diethylenetriaminepentaacetic acid |
| GSH | reduced glutathione |
| GSSG | oxidized glutathione |
| GSSSG | glutathione trisulfide |
| GSSeSG | selenodiglutathione |
| HSx−/Sx2− | inorganic polysulfides |
| H2SeSx | selenium disulfane |
| Nrf2 | nuclear factor erythroid 2–related factor 2 |
| NHE | normal hydrogen electrode |
| pDNA | plasmid DNA |
| Pr | protein |
| PrS- | protein thiol |
| PrSS- | protein persulfide |
| RSeS | reactive selenium species |
| ROS | reactive oxygen species |
| RSS | reactive sulfur species |
| RSSH | Hydropersulfides RSxR’ |
| RSxH | organic polysulfanes |
| SOD | superoxide dismutase |
| UV-Vis | ultraviolet-visible |