| ACN | Acetonitrile |
| DTT | Dithiothreitol |
| HA | Hemagglutinin |
| HPLC | High-Performance Liquid Chromatography |
| ML | Machine Learning |
| PCA | Principal Component Analysis |
| RPLC | Reversed-Phase Liquid Chromatography |
| RP | Reversed-Phase |
| SRID | Single Radial Immunodiffusion |
| TFA | trifluoroacetic acid |
| TPCK | L-1-tosylamido-2-phenylethyl chloromethyl ketone |