| WCBs | Whole-cell biosensors |
| HSR | Heat shock response |
| ICP-MS | Inductively coupled plasma mass spectrometry |
| Cd(II), Cd2+ | Cadmium ion |
| As(II), As2+ | Arsenic ion |
| Pb(II), Pb2+ | Lead ion |
| Hg(II) | Mercury ion |
| Zn(II) | Zinc ion |
| LB | Lysogeny Broth |
| OD600 | Optical density (600 nm) |
| SEM | Standard error mean |
| RFU | Relative Fluorescence Unit |
| GFP | Green Fluorescent Protein |
| Pc | Constitutively active promoter |
| MOPS | Sodium;3-(N-morpholino)propanesulfonic acid |
| HMM | Heavy Metal MOPS media |
| CadR | Cadmium-binding transcription factor of CadA |
| PcadA | Promoter of CadA |
| HspR | Heat shock protein transcriptional repressor |
| PdnaK | Promoter of dnaK, cognitive promoter of HspR |
| IR3 | HspR binding motif |
| Bxb1 | Bxb1 serine recombinase |