Table 1.
Characteristics of the PEI–TEG and man-PEI–TEG derivates: feed ratio, weight-average molecular weight (Mw), polydispersity index (PDI), and mannose content
| Polymers | PEI:mannose (weight ratio) | Mw (kDa) | PDI | Theoretical mannose % | Experimental mannose % |
|---|---|---|---|---|---|
| PEI–TEG | 26.02 | 1.53 | |||
| A | 1:1 | 40.05 | 1.94 | 50.0% | 35.0% |
| B | 2:1 | 38.73 | 1.94 | 33.3% | 32.8% |
| C | 3:1 | 34.40 | 1.89 | 25.0% | 24.4% |
Abbreviations: PEI, polyethyleneimine; TEG, triethyleneglycol; PEI-TEG, polyethyleneimine and triethyleneglycol polymer; man-PEI-TEG, mannosylated PEI-TEG; A, man-PEI-TEG derivative A; B, man-PEI-TEG derivative B; C, man-PEI-TEG derivative C; Mw, molecular weight; PDI, polydispersity index.