| Ionizing Radiation | (IR) |
| Radiological Dispersal Device | (RDD) |
| Improvised Nuclear Device | (IND) |
| National Institute of Allergy and Infectious Diseases | (NIAID) |
| Centers for Medical Countermeasures Against Radiation Consortium | (CMCRC) |
| Mass Spectrometry | (MS) |
| Acute Radiation Syndrome | (ARS) |
| Nuclear Magnetic Resonance | (NMR) |
| Tandem Quadrupole | (TQ) |
| Fourier-transform Ion Cyclotron Resonance | (FTICR) |
| Desorption Electrospray Ionization | (DESI) |
| Ultra-performance Liquid Chromatography | (UPLC) |
| Gas Chromatography | (GC) |
| Capillary Electrophoresis | (CE) |
| Nonhuman Primate | (NHP) |
| Total Body Irradiation | (TBI) |
| Time-of-Flight | (TOF) |
| Tricarboxylic Acid | (TCA) |
| Multiple Reaction Monitoring | (MRM) |
| Electron Ionization | (EI) |
| Partial Least Squares-Discriminant Analysis | (PLS-DA) |
| Cross-validation | (CV) |
| Differential Mobility Spectrometry | (DMS) |