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Linguistic variables and their corresponding priority weight of criteria and fuzzy numbers.
| Priority weight of criteria | Fuzzy number | Rating of criteria |
|---|---|---|
| Very high (VH) | (0.75, 1.00, 1.00) | Size, shape, surface charge, biocompatibility, accumulation ratio, toxicity, efficacy, adverse effect, safety |
| High (H) | (0.50, 0.75, 1.00) | pH, temperature, noncovalent ligand, specificity, stability |
| Moderate (M) | (0.25, 0.50, 0.75) | Cost |
| Low (L) | (0, 0.25, 0.50) | |
| Very low (VL) | (0, 0, 0.25) |
