| AP | Atmospheric pressure |
| DESI | Desorption electrospray ionization |
| ESI | Electrospray ionization |
| FT-ICR | Fourier transform ion cyclotron resonance |
| HR | High resolution |
| LAESI | Laser ablation electrospray ionization |
| MALDI | Matrix-assisted laser desorption/ionization |
| MSI | Mass spectrometry imaging (also known as IMS in other papers) |
| NMR | Nuclear magnetic resonance |
| NPs | Natural products |
| Q | Quadrupole |
| SALDI | Surface-assisted laser desorption/ionization |
| SIMS | Secondary ion mass spectrometry |
| TOF | Time-of-flight |
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