| Acronym | Meaning |
| TPA | Two-photon Absorption |
| SSMS | Spark Source Mass Spectrometry |
| RC(XI) | (fully) Correlated Relativistic Local-density |
| LFHO | Linearly Forced Harmonic Oscillator |
| HTST | High-temperature Short-time |
| ALS | Advanced Light Source |
| MEPED | Medium Energy Proton & Electron Detector |
| PTM | Posttranslational Modification |
| CCST | Complex Coordinate Scattering Theory |
| HSQC | Heteronuclear Single Quantum Coherence |