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Characterization of PEG-PGGly, PEG-PGLeu and PEG-PGTyr.
| Polymers | Mw/Mna | DP of PEGb | DP of PGc | Amino acid conjugation rate (%)d |
|---|---|---|---|---|
| PEG-PGGly | 1.05 | 261 | 81 | 92.5 |
| PEG-PGLeu | 1.03 | 261 | 81 | 98.7 |
| PEG-PGTyr | 1.08 | 261 | 81 | 93.7 |
aMeasured by GPC in DMF. b,dDetermined by 1H-NMR. cDetermined by elemental analysis.
