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L-PEI 5k and branched PEI of MW 1.3 kDa (B-PEI 1.3k) were crosslinked with 30% TAC. Zeta potential and hydrodynamic diameter of polymers as 0.1% aqueous dispersions were evaluated.
| Entry | PEI | Mol% Crosslinker | ζ Potential [mV] | DH [nm] |
|---|---|---|---|---|
| V | 5 kDa linear | 0 | n/a | n/a |
| VI | 5 kDa linear | 30 | 11 | 109 |
| VII | 1.3 kDa branched | 0 | n/a | n/a |
| VIII | 1.3 kDa branched | 30 | 17 | 101 |
