| AFM | atomic force microscopy |
| HCCA | α-cyano-4-hydroxycinnamic acid |
| IT | ion trap |
| LC | liquid chromatography |
| LOD | limit of detection |
| MALDI | matrix-assisted laser desorption and ionization |
| MS | mass spectrometer, mass spectrometry |
| OT | Orbitrap |
| TFA | trifluoroacetic acid |
| TOF | time of flight |
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