| Acronym | Meaning |
| NAICS | North American Industrial Classification System |
| PHE | Potentially Harmful Element |
| MESA | Mass Concentration Extinction Size Analyzer |
| RPLC | Reversed-phase Liquid Chromatography |
| HSX | Helically Symmetric Experiment |
| CRTA | Controlled Rate Thermal Analysis |
| PDT | Photodynamic Therapy |
| APD | Action Potential Duration |
| BPDA | 3,3',4,4'-biphenyltetracarboxylic Dianhydride |
| LHP-RHF | Longuet-Higgins-Pople Restricted Hartree-Fock Method |