FIG. 2.
Structure of functionalized PEG-PLA. Biotin-PEG-PLA (a); succinimidyl tartrate PEG-PLA (b), succinimidyl succinate PEG-PLA (c), aldehyde-PEG-PLA (d), maleinimido propionate PEG-PLA (e), and maleimide-PEG-PLA (f).
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