RGD

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PLL(20)-g[3.5]- PEG(2)/PEG(3.5)-RGD

PLL(20 kDa) grafted with PEG(2 kDa) and PEG-RGD (3.5 kDa) with g (Lys units/PEG chains) = 3.0 to 4.0;
RGD=(DBCO-Mal)-CKK-(Acp)3- GRGDS: MW: 1616.64 g/mol
% of RGD functionalized PEG is 3-10%.