| FA | folic acid |
| FR | folate receptor |
| HYNIC | 2-hydrazinonicotinic acid |
| BFC | bifunctional chelator |
| DMSO | Dimethyl Sulphoxide |
| DCC | N,N′-Dicyclohexylcarbodiimide |
| NHS | N-Hydroxysuccinimide |
| Tricine | N-tris-(hydroxymethyl)-methylglycine |
| TPPTS | trisodiumtriphenylpho-sphine-3,30,3″-trisulfonate |
| PEG | poly-(ethylene glycol) |
| PAMAM | polyamidoamine |
| PMX | pemetrexed |
| SPECT | single photon emission computed tomography |
| RGD | cyclic arginine-glycine-aspartic acid peptides |
| 99mTc | technetium-99m |
| MRI | magnetic resonance imaging |
| PB | phosphate buffer |
| ITLC-SG | Instant thin-layer chromatography silica gel strips |
| TLC | thin-layer chromatography |
| RCP | radiochemical purity |
| SA | specific activity |
| %ID/g | percentage of injected dose per gram |
| TACs | time-activity curves |
| ROIs | regions of interests |
| T/NT | tumor-to-nontarget tissue |
| 3D | three-dimensional |
| HPLC | High Performance Liquid Chromatography |
| CT | computed tomography |
| 18F-FDG | 18F-fluorodeoxyglucose |
| p.i. | post-injection time |
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