Table 1.
Reaction mixture | Stirring (day) | Dialyzing (day) | MWCO (kDa) |
---|---|---|---|
PEG-b-PBLG | 3 | 3 | 7 |
PEG-b-PELG | 2 | 3 | 3.5 |
PEG-b-(PELG-g-PZLL) | 3 | 3 | 7 |
PEG-b-(PELG-g-(PZLL-r-PLL)) | 3 | 3 | 7 |
Abbreviations: MWCO, molecular weight cutoff; PEG-b-PBLG, poly(ethylene glycol)-b-poly(γ-benzyl l-glutamate); PEG-b-PELG, poly(ethylene glycol)-b-poly (ethylenediamine l-glutamate); PEG-b-(PELG-g-PZLL), poly(ethylene glycol)-b-(poly(ethylenediamine l-glutamate)-g-poly(ε-benzyoxycarbonyl-l-lysine)); PEG-b-(PELG-g-(PZLL-r-PLL)), poly(ethylene glycol)-b-(poly(ethylenediamine l-glutamate)-g-poly(ε-benzyoxycarbonyl-l-lysine)-r-poly(l-lysine)).